"""Test message patching for internationalization purposes.

Runs the text builder in the test root.
"""

import os
import os.path
import re
import shutil
import time

import pytest
from babel.messages import mofile, pofile
from babel.messages.catalog import Catalog
from docutils import nodes

from sphinx import locale
from sphinx.testing.util import assert_node, etree_parse
from sphinx.util.console import strip_colors
from sphinx.util.nodes import NodeMatcher

_CATALOG_LOCALE = 'xx'

sphinx_intl = pytest.mark.sphinx(
    testroot='intl',
    confoverrides={
        'language': _CATALOG_LOCALE, 'locale_dirs': ['.'],
        'gettext_compact': False,
    },
)


def read_po(pathname):
    with open(pathname, encoding='utf-8') as f:
        return pofile.read_po(f)


def write_mo(pathname, po):
    with open(pathname, 'wb') as f:
        return mofile.write_mo(f, po)


def _set_mtime_ns(target, value):
    os.utime(target, ns=(value, value))
    return os.stat(target).st_mtime_ns


def _get_bom_intl_path(app):
    basedir = app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES'
    return basedir / 'bom.po', basedir / 'bom.mo'


def _get_update_targets(app):
    app.env.find_files(app.config, app.builder)
    added, changed, removed = app.env.get_outdated_files(config_changed=False)
    return added, changed, removed


@pytest.fixture(autouse=True)
def _info(app):
    yield
    print('# language:', app.config.language)
    print('# locale_dirs:', app.config.locale_dirs)


def elem_gettexts(elem):
    return [_f for _f in [s.strip() for s in elem.itertext()] if _f]


def elem_getref(elem):
    return elem.attrib.get('refid') or elem.attrib.get('refuri')


def assert_elem(elem, texts=None, refs=None, names=None):
    if texts is not None:
        _texts = elem_gettexts(elem)
        assert _texts == texts
    if refs is not None:
        _refs = [elem_getref(x) for x in elem.findall('reference')]
        assert _refs == refs
    if names is not None:
        _names = elem.attrib.get('names').split()
        assert _names == names


def assert_count(expected_expr, result, count):
    find_pair = (expected_expr, result)
    assert len(re.findall(*find_pair)) == count, find_pair


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_emit_warnings(app, warning):
    app.build()
    # test warnings in translation
    warnings = getwarning(warning)
    warning_expr = ('.*/warnings.txt:4:<translated>:1: '
                    'WARNING: Inline literal start-string without end-string.\n')
    assert re.search(warning_expr, warnings), f'{warning_expr!r} did not match {warnings!r}'


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_warning_node(app):
    app.build()
    # test warnings in translation
    result = (app.outdir / 'warnings.txt').read_text(encoding='utf8')
    expect = ("3. I18N WITH REST WARNINGS"
              "\n**************************\n"
              "\nLINE OF >>``<<BROKEN LITERAL MARKUP.\n")
    assert result == expect


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_title_underline(app):
    app.build()
    # --- simple translation; check title underlines
    result = (app.outdir / 'bom.txt').read_text(encoding='utf8')
    expect = ("2. Datei mit UTF-8"
              "\n******************\n"  # underline matches new translation
              "\nThis file has umlauts: äöü.\n")
    assert result == expect


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_subdirs(app):
    app.build()
    # --- check translation in subdirs
    result = (app.outdir / 'subdir' / 'index.txt').read_text(encoding='utf8')
    assert result.startswith('1. subdir contents\n******************\n')


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_inconsistency_warnings(app, warning):
    app.build()
    # --- check warnings for inconsistency in number of references
    result = (app.outdir / 'refs_inconsistency.txt').read_text(encoding='utf8')
    expect = ("8. I18N WITH REFS INCONSISTENCY"
              "\n*******************************\n"
              "\n* FOR CITATION [ref3].\n"
              "\n* reference FOR reference.\n"
              "\n* ORPHAN REFERENCE: I18N WITH REFS INCONSISTENCY.\n"
              "\n[1] THIS IS A AUTO NUMBERED FOOTNOTE.\n"
              "\n[ref2] THIS IS A CITATION.\n"
              "\n[100] THIS IS A NUMBERED FOOTNOTE.\n")
    assert result == expect

    warnings = getwarning(warning)
    warning_fmt = ('.*/refs_inconsistency.txt:\\d+: '
                   'WARNING: inconsistent %(reftype)s in translated message.'
                   ' original: %(original)s, translated: %(translated)s\n')
    expected_warning_expr = (
        warning_fmt % {
            'reftype': 'footnote references',
            'original': "\\['\\[#\\]_'\\]",
            'translated': "\\[\\]",
        } +
        warning_fmt % {
            'reftype': 'footnote references',
            'original': "\\['\\[100\\]_'\\]",
            'translated': "\\[\\]",
        } +
        warning_fmt % {
            'reftype': 'references',
            'original': "\\['reference_'\\]",
            'translated': "\\['reference_', 'reference_'\\]",
        } +
        warning_fmt % {
            'reftype': 'references',
            'original': "\\[\\]",
            'translated': "\\['`I18N WITH REFS INCONSISTENCY`_'\\]",
        })
    assert re.search(expected_warning_expr, warnings), f'{expected_warning_expr!r} did not match {warnings!r}'

    expected_citation_ref_warning_expr = (
        '.*/refs_inconsistency.txt:\\d+: WARNING: Citation \\[ref2\\] is not referenced.')
    assert re.search(expected_citation_ref_warning_expr, warnings), f'{expected_citation_ref_warning_expr!r} did not match {warnings!r}'

    expected_citation_warning_expr = (
        '.*/refs_inconsistency.txt:\\d+: WARNING: citation not found: ref3')
    assert re.search(expected_citation_warning_expr, warnings), f'{expected_citation_warning_expr!r} did not match {warnings!r}'


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_noqa(app, warning):
    app.build()
    result = (app.outdir / 'noqa.txt').read_text(encoding='utf8')
    expect = r"""FIRST SECTION
*************

TRANSLATED TEXT WITHOUT REFERENCE.

TEST noqa WHITESPACE INSENSITIVITY.

"#noqa" IS ESCAPED AT THE END OF THIS STRING. #noqa


NEXT SECTION WITH PARAGRAPH TO TEST BARE noqa
*********************************************

Some text, again referring to the section: NEXT SECTION WITH PARAGRAPH
TO TEST BARE noqa.
"""
    assert result == expect
    assert "next-section" not in getwarning(warning)


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_literalblock_warnings(app, warning):
    app.build()
    # --- check warning for literal block
    result = (app.outdir / 'literalblock.txt').read_text(encoding='utf8')
    expect = ("9. I18N WITH LITERAL BLOCK"
              "\n**************************\n"
              "\nCORRECT LITERAL BLOCK:\n"
              "\n   this is"
              "\n   literal block\n"
              "\nMISSING LITERAL BLOCK:\n"
              "\n<SYSTEM MESSAGE:")
    assert result.startswith(expect)

    warnings = getwarning(warning)
    expected_warning_expr = ('.*/literalblock.txt:\\d+: '
                             'WARNING: Literal block expected; none found.')
    assert re.search(expected_warning_expr, warnings), f'{expected_warning_expr!r} did not match {warnings!r}'


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_definition_terms(app):
    app.build()
    # --- definition terms: regression test for #975, #2198, #2205
    result = (app.outdir / 'definition_terms.txt').read_text(encoding='utf8')
    expect = ("13. I18N WITH DEFINITION TERMS"
              "\n******************************\n"
              "\nSOME TERM"
              "\n   THE CORRESPONDING DEFINITION\n"
              "\nSOME *TERM* WITH LINK"
              "\n   THE CORRESPONDING DEFINITION #2\n"
              "\nSOME **TERM** WITH : CLASSIFIER1 : CLASSIFIER2"
              "\n   THE CORRESPONDING DEFINITION\n"
              "\nSOME TERM WITH : CLASSIFIER[]"
              "\n   THE CORRESPONDING DEFINITION\n")
    assert result == expect


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_glossary_term(app, warning):
    app.build()
    # --- glossary terms: regression test for #1090
    result = (app.outdir / 'glossary_terms.txt').read_text(encoding='utf8')
    expect = (r"""18. I18N WITH GLOSSARY TERMS
****************************

SOME NEW TERM
   THE CORRESPONDING GLOSSARY

SOME OTHER NEW TERM
   THE CORRESPONDING GLOSSARY #2

LINK TO *SOME NEW TERM*.

TRANSLATED GLOSSARY SHOULD BE SORTED BY TRANSLATED TERMS:

TRANSLATED TERM XXX
   DEFINE XXX

TRANSLATED TERM YYY
   DEFINE YYY

TRANSLATED TERM ZZZ
VVV
   DEFINE ZZZ
""")
    assert result == expect
    warnings = getwarning(warning)
    assert warnings.count('term not in glossary') == 1


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_glossary_term_inconsistencies(app, warning):
    app.build()
    # --- glossary term inconsistencies: regression test for #1090
    result = (app.outdir / 'glossary_terms_inconsistency.txt').read_text(encoding='utf8')
    expect = ("19. I18N WITH GLOSSARY TERMS INCONSISTENCY"
              "\n******************************************\n"
              "\n1. LINK TO *SOME NEW TERM*.\n"
              "\n2. LINK TO *TERM NOT IN GLOSSARY*.\n")
    assert result == expect

    warnings = getwarning(warning)
    expected_warning_expr = (
        '.*/glossary_terms_inconsistency.txt:\\d+: '
        'WARNING: inconsistent term references in translated message.'
        " original: \\[':term:`Some term`', ':term:`Some other term`'\\],"
        " translated: \\[':term:`SOME NEW TERM`'\\]\n")
    assert re.search(expected_warning_expr, warnings), f'{expected_warning_expr!r} did not match {warnings!r}'
    expected_warning_expr = (
        '.*/glossary_terms_inconsistency.txt:\\d+:<translated>:1: '
        "WARNING: term not in glossary: 'TERM NOT IN GLOSSARY'")
    assert re.search(expected_warning_expr, warnings), f'{expected_warning_expr!r} did not match {warnings!r}'


@sphinx_intl
@pytest.mark.sphinx('gettext')
@pytest.mark.test_params(shared_result='test_intl_gettext')
def test_gettext_section(app):
    app.build()
    # --- section
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'section.po')
    actual = read_po(app.outdir / 'section.pot')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.id in [m.id for m in actual if m.id]


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_section(app):
    app.build()
    # --- section
    result = (app.outdir / 'section.txt').read_text(encoding='utf8')
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'section.po')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.string in result


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_seealso(app):
    app.build()
    # --- seealso
    result = (app.outdir / 'seealso.txt').read_text(encoding='utf8')
    expect = ("12. I18N WITH SEEALSO"
              "\n*********************\n"
              "\nSee also: SHORT TEXT 1\n"
              "\nSee also: LONG TEXT 1\n"
              "\nSee also:\n"
              "\n  SHORT TEXT 2\n"
              "\n  LONG TEXT 2\n")
    assert result == expect


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_figure_captions(app):
    app.build()
    # --- figure captions: regression test for #940
    result = (app.outdir / 'figure.txt').read_text(encoding='utf8')
    expect = ("14. I18N WITH FIGURE CAPTION"
              "\n****************************\n"
              "\n   [image]MY CAPTION OF THE FIGURE\n"
              "\n   MY DESCRIPTION PARAGRAPH1 OF THE FIGURE.\n"
              "\n   MY DESCRIPTION PARAGRAPH2 OF THE FIGURE.\n"
              "\n"
              "\n14.1. FIGURE IN THE BLOCK"
              "\n=========================\n"
              "\nBLOCK\n"
              "\n      [image]MY CAPTION OF THE FIGURE\n"
              "\n      MY DESCRIPTION PARAGRAPH1 OF THE FIGURE.\n"
              "\n      MY DESCRIPTION PARAGRAPH2 OF THE FIGURE.\n"
              "\n"
              "\n"
              "14.2. IMAGE URL AND ALT\n"
              "=======================\n"
              "\n"
              "[image: I18N -> IMG][image]\n"
              "\n"
              "   [image: IMG -> I18N][image]\n"
              "\n"
              "\n"
              "14.3. IMAGE ON SUBSTITUTION\n"
              "===========================\n"
              "\n"
              "\n"
              "14.4. IMAGE UNDER NOTE\n"
              "======================\n"
              "\n"
              "Note:\n"
              "\n"
              "  [image: i18n under note][image]\n"
              "\n"
              "     [image: img under note][image]\n")
    assert result == expect


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_rubric(app):
    app.build()
    # --- rubric: regression test for pull request #190
    result = (app.outdir / 'rubric.txt').read_text(encoding='utf8')
    expect = ("I18N WITH RUBRIC"
              "\n****************\n"
              "\n-[ RUBRIC TITLE ]-\n"
              "\n"
              "\nRUBRIC IN THE BLOCK"
              "\n===================\n"
              "\nBLOCK\n"
              "\n   -[ RUBRIC TITLE ]-\n")
    assert result == expect


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_docfields(app):
    app.build()
    # --- docfields
    result = (app.outdir / 'docfields.txt').read_text(encoding='utf8')
    expect = ("21. I18N WITH DOCFIELDS"
              "\n***********************\n"
              "\nclass Cls1\n"
              "\n   Parameters:"
              "\n      **param** -- DESCRIPTION OF PARAMETER param\n"
              "\nclass Cls2\n"
              "\n   Parameters:"
              "\n      * **foo** -- DESCRIPTION OF PARAMETER foo\n"
              "\n      * **bar** -- DESCRIPTION OF PARAMETER bar\n"
              "\nclass Cls3(values)\n"
              "\n   Raises:"
              "\n      **ValueError** -- IF THE VALUES ARE OUT OF RANGE\n"
              "\nclass Cls4(values)\n"
              "\n   Raises:"
              "\n      * **TypeError** -- IF THE VALUES ARE NOT VALID\n"
              "\n      * **ValueError** -- IF THE VALUES ARE OUT OF RANGE\n"
              "\nclass Cls5\n"
              "\n   Returns:"
              '\n      A NEW "Cls3" INSTANCE\n')
    assert result == expect


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_admonitions(app):
    app.build()
    # --- admonitions
    # #1206: gettext did not translate admonition directive's title
    # seealso: https://docutils.sourceforge.io/docs/ref/rst/directives.html#admonitions
    result = (app.outdir / 'admonitions.txt').read_text(encoding='utf8')
    directives = (
        "attention", "caution", "danger", "error", "hint",
        "important", "note", "tip", "warning", "admonition")
    for d in directives:
        assert d.upper() + " TITLE" in result
        assert d.upper() + " BODY" in result

    # for #4938 `1. ` prefixed admonition title
    assert "1. ADMONITION TITLE" in result


@sphinx_intl
@pytest.mark.sphinx('gettext')
@pytest.mark.test_params(shared_result='test_intl_gettext')
def test_gettext_toctree(app):
    app.build()
    # --- toctree (index.rst)
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'index.po')
    actual = read_po(app.outdir / 'index.pot')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.id in [m.id for m in actual if m.id]
    # --- toctree (toctree.rst)
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'toctree.po')
    actual = read_po(app.outdir / 'toctree.pot')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.id in [m.id for m in actual if m.id]


@sphinx_intl
@pytest.mark.sphinx('gettext')
@pytest.mark.test_params(shared_result='test_intl_gettext')
def test_gettext_table(app):
    app.build()
    # --- toctree
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'table.po')
    actual = read_po(app.outdir / 'table.pot')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.id in [m.id for m in actual if m.id]


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_table(app):
    app.build()
    # --- toctree
    result = (app.outdir / 'table.txt').read_text(encoding='utf8')
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'table.po')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.string in result


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_toctree(app):
    app.build()
    # --- toctree (index.rst)
    # Note: index.rst contains contents that is not shown in text.
    result = (app.outdir / 'index.txt').read_text(encoding='utf8')
    assert 'CONTENTS' in result
    assert 'TABLE OF CONTENTS' in result
    # --- toctree (toctree.rst)
    result = (app.outdir / 'toctree.txt').read_text(encoding='utf8')
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'toctree.po')
    for expect_msg in (m for m in expect if m.id):
        assert expect_msg.string in result


@sphinx_intl
@pytest.mark.sphinx('gettext')
@pytest.mark.test_params(shared_result='test_intl_gettext')
def test_gettext_topic(app):
    app.build()
    # --- topic
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'topic.po')
    actual = read_po(app.outdir / 'topic.pot')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.id in [m.id for m in actual if m.id]


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_topic(app):
    app.build()
    # --- topic
    result = (app.outdir / 'topic.txt').read_text(encoding='utf8')
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'topic.po')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.string in result


@sphinx_intl
@pytest.mark.sphinx('gettext')
@pytest.mark.test_params(shared_result='test_intl_gettext')
def test_gettext_definition_terms(app):
    app.build()
    # --- definition terms: regression test for #2198, #2205
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'definition_terms.po')
    actual = read_po(app.outdir / 'definition_terms.pot')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.id in [m.id for m in actual if m.id]


@sphinx_intl
@pytest.mark.sphinx('gettext')
@pytest.mark.test_params(shared_result='test_intl_gettext')
def test_gettext_glossary_terms(app, warning):
    app.build()
    # --- glossary terms: regression test for #1090
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'glossary_terms.po')
    actual = read_po(app.outdir / 'glossary_terms.pot')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.id in [m.id for m in actual if m.id]
    warnings = warning.getvalue().replace(os.sep, '/')
    assert 'term not in glossary' not in warnings


@sphinx_intl
@pytest.mark.sphinx('gettext')
@pytest.mark.test_params(shared_result='test_intl_gettext')
def test_gettext_glossary_term_inconsistencies(app):
    app.build()
    # --- glossary term inconsistencies: regression test for #1090
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'glossary_terms_inconsistency.po')
    actual = read_po(app.outdir / 'glossary_terms_inconsistency.pot')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.id in [m.id for m in actual if m.id]


@sphinx_intl
@pytest.mark.sphinx('gettext')
@pytest.mark.test_params(shared_result='test_intl_gettext')
def test_gettext_literalblock(app):
    app.build()
    # --- gettext builder always ignores ``only`` directive
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'literalblock.po')
    actual = read_po(app.outdir / 'literalblock.pot')
    for expect_msg in [m for m in expect if m.id]:
        if len(expect_msg.id.splitlines()) == 1:
            # compare translations only labels
            assert expect_msg.id in [m.id for m in actual if m.id]
        else:
            pass  # skip code-blocks and literalblocks


@sphinx_intl
@pytest.mark.sphinx('gettext')
@pytest.mark.test_params(shared_result='test_intl_gettext')
def test_gettext_buildr_ignores_only_directive(app):
    app.build()
    # --- gettext builder always ignores ``only`` directive
    expect = read_po(app.srcdir / _CATALOG_LOCALE / 'LC_MESSAGES' / 'only.po')
    actual = read_po(app.outdir / 'only.pot')
    for expect_msg in [m for m in expect if m.id]:
        assert expect_msg.id in [m.id for m in actual if m.id]


@sphinx_intl
def test_node_translated_attribute(app):
    app.build(filenames=[app.srcdir / 'translation_progress.txt'])

    doctree = app.env.get_doctree('translation_progress')

    translated_nodes = sum(1 for _ in doctree.findall(NodeMatcher(translated=True)))
    assert translated_nodes == 10 + 1  # 10 lines + title

    untranslated_nodes = sum(1 for _ in doctree.findall(NodeMatcher(translated=False)))
    assert untranslated_nodes == 2 + 2 + 1  # 2 lines + 2 lines + substitution reference


@sphinx_intl
def test_translation_progress_substitution(app):
    app.build(filenames=[app.srcdir / 'translation_progress.txt'])

    doctree = app.env.get_doctree('translation_progress')

    assert doctree[0][19][0] == '68.75%'  # 11 out of 16 lines are translated


@pytest.mark.sphinx(testroot='intl', freshenv=True, confoverrides={
    'language': _CATALOG_LOCALE, 'locale_dirs': ['.'],
    'gettext_compact': False,
    'translation_progress_classes': True,
})
def test_translation_progress_classes_true(app):
    app.build(filenames=[app.srcdir / 'translation_progress.txt'])

    doctree = app.env.get_doctree('translation_progress')

    # title
    assert 'translated' in doctree[0][0]['classes']

    # translated lines
    assert 'translated' in doctree[0][1]['classes']
    assert 'translated' in doctree[0][2]['classes']
    assert 'translated' in doctree[0][3]['classes']
    assert 'translated' in doctree[0][4]['classes']
    assert 'translated' in doctree[0][5]['classes']
    assert 'translated' in doctree[0][6]['classes']
    assert 'translated' in doctree[0][7]['classes']
    assert 'translated' in doctree[0][8]['classes']

    assert doctree[0][9]['classes'] == []  # comment node

    # idempotent
    assert 'translated' in doctree[0][10]['classes']
    assert 'translated' in doctree[0][11]['classes']

    assert doctree[0][12]['classes'] == []  # comment node

    # untranslated
    assert 'untranslated' in doctree[0][13]['classes']
    assert 'untranslated' in doctree[0][14]['classes']

    assert doctree[0][15]['classes'] == []  # comment node

    # missing
    assert 'untranslated' in doctree[0][16]['classes']
    assert 'untranslated' in doctree[0][17]['classes']

    assert doctree[0][18]['classes'] == []  # comment node

    # substitution reference
    assert 'untranslated' in doctree[0][19]['classes']

    assert len(doctree[0]) == 20


class _MockClock:
    """Object for mocking :func:`time.time_ns` (if needed).

    Use :meth:`sleep` to make this specific clock sleep for some time.
    """

    def time(self) -> int:
        """Nanosecond since 'fake' epoch."""
        raise NotImplementedError

    def sleep(self, ds: float) -> None:
        """Sleep *ds* seconds."""
        raise NotImplementedError


class _MockWindowsClock(_MockClock):
    """Object for mocking :func:`time.time_ns` on Windows platforms.

    The result is in 'nanoseconds' but with a microsecond resolution
    so that the division by 1_000 does not cause rounding issues.
    """

    def __init__(self) -> None:
        self.us: int = 0  # current microsecond 'tick'

    def time(self) -> int:
        ret = 1_000 * self.us
        self.us += 1
        return ret

    def sleep(self, ds: float) -> None:
        self.us += int(ds * 1e6)


class _MockUnixClock(_MockClock):
    """Object for mocking :func:`time.time_ns` on Unix platforms.

    Since nothing is needed for Unix platforms, this object acts as
    a proxy so that the API is the same as :class:`_MockWindowsClock`.
    """

    def time(self) -> int:
        return time.time_ns()

    def sleep(self, ds: float) -> None:
        time.sleep(ds)


@pytest.fixture
def mock_time_and_i18n(
    monkeypatch: pytest.MonkeyPatch,
) -> tuple[pytest.MonkeyPatch, _MockClock]:
    from sphinx.util.i18n import CatalogInfo

    # save the 'original' definition
    catalog_write_mo = CatalogInfo.write_mo

    def mock_write_mo(self, locale, use_fuzzy=False):
        catalog_write_mo(self, locale, use_fuzzy)
        # ensure that the .mo file being written has a correct fake timestamp
        _set_mtime_ns(self.mo_path, time.time_ns())

    # see: https://github.com/pytest-dev/pytest/issues/363
    with pytest.MonkeyPatch.context() as mock:
        if os.name == 'posix':
            clock = _MockUnixClock()
        else:
            # When using pytest.mark.parametrize() to emulate test repetition,
            # the teardown phase on Windows fails due to an error apparently in
            # the colorama.ansitowin32 module, so we forcibly disable colors.
            mock.setenv('NO_COLOR', '1')
            # apply the patch only for Windows
            clock = _MockWindowsClock()
            mock.setattr('time.time_ns', clock.time)
            # Use clock.sleep() to emulate time.sleep() but do not try
            # to mock the latter since this might break other libraries.
            mock.setattr('sphinx.util.i18n.CatalogInfo.write_mo', mock_write_mo)
        yield mock, clock


@sphinx_intl
# use the same testroot as 'gettext' since the latter contains less PO files
@pytest.mark.sphinx('dummy', testroot='builder-gettext-dont-rebuild-mo', freshenv=True)
def test_dummy_should_rebuild_mo(mock_time_and_i18n, make_app, app_params):
    mock, clock = mock_time_and_i18n
    assert os.name == 'posix' or clock.time() == 0

    args, kwargs = app_params
    app = make_app(*args, **kwargs)
    po_path, mo_path = _get_bom_intl_path(app)

    # creation time of the those files (order does not matter)
    bom_rst = app.srcdir / 'bom.rst'
    bom_rst_time = time.time_ns()

    index_rst = app.srcdir / 'index.rst'
    index_rst_time = time.time_ns()
    po_time = time.time_ns()

    # patch the 'creation time' of the source files
    assert _set_mtime_ns(po_path, po_time) == po_time
    assert _set_mtime_ns(bom_rst, bom_rst_time) == bom_rst_time
    assert _set_mtime_ns(index_rst, index_rst_time) == index_rst_time

    assert not mo_path.exists()
    # when writing mo files, the counter is updated by calling
    # patch_write_mo which is called to create .mo files (and
    # thus the timestamp of the files are not those given by
    # the OS but our fake ones)
    app.build()
    assert mo_path.exists()
    # Do a real sleep on POSIX, or simulate a sleep on Windows
    # to ensure that calls to time.time_ns() remain consistent.
    clock.sleep(0.1 if os.name == 'posix' else 1)

    # check that the source files were not modified
    assert bom_rst.stat().st_mtime_ns == bom_rst_time
    assert index_rst.stat().st_mtime_ns == index_rst_time
    # check that the 'bom' document is discovered after the .mo
    # file has been written on the disk (i.e., read_doc() is called
    # after the creation of the .mo files)
    assert app.env.all_docs['bom'] > mo_path.stat().st_mtime_ns // 1000

    # Since it is after the build, the number of documents to be updated is 0
    update_targets = _get_update_targets(app)
    assert update_targets[1] == set()
    # When rewriting the timestamp of mo file, the number of documents to be
    # updated will be changed.
    new_mo_time = time.time_ns()
    assert _set_mtime_ns(mo_path, new_mo_time) == new_mo_time
    update_targets = _get_update_targets(app)
    assert update_targets[1] == {'bom'}
    mock.undo()  # explicit call since it's not a context

    # remove all sources for the next test
    shutil.rmtree(app.srcdir, ignore_errors=True)
    time.sleep(0.1 if os.name == 'posix' else 0.5)  # real sleep


@sphinx_intl
@pytest.mark.sphinx('gettext', testroot='builder-gettext-dont-rebuild-mo', freshenv=True)
def test_gettext_dont_rebuild_mo(mock_time_and_i18n, app):
    mock, clock = mock_time_and_i18n
    assert os.name == 'posix' or clock.time() == 0

    assert app.srcdir.exists()

    # patch the 'creation time' of the source files
    bom_rst = app.srcdir / 'bom.rst'
    bom_rst_time = time.time_ns()
    assert _set_mtime_ns(bom_rst, bom_rst_time) == bom_rst_time

    index_rst = app.srcdir / 'index.rst'
    index_rst_time = time.time_ns()
    assert _set_mtime_ns(index_rst, index_rst_time) == index_rst_time

    # phase 1: create fake MO file in the src directory
    po_path, mo_path = _get_bom_intl_path(app)
    write_mo(mo_path, read_po(po_path))
    po_time = time.time_ns()
    assert _set_mtime_ns(po_path, po_time) == po_time

    # phase 2: build document with gettext builder.
    # The mo file in the srcdir directory is retained.
    app.build()
    # Do a real sleep on POSIX, or simulate a sleep on Windows
    # to ensure that calls to time.time_ns() remain consistent.
    clock.sleep(0.5 if os.name == 'posix' else 1)
    # Since it is after the build, the number of documents to be updated is 0
    update_targets = _get_update_targets(app)
    assert update_targets[1] == set()
    # Even if the timestamp of the mo file is updated, the number of documents
    # to be updated is 0. gettext builder does not rebuild because of mo update.
    new_mo_time = time.time_ns()
    assert _set_mtime_ns(mo_path, new_mo_time) == new_mo_time
    update_targets = _get_update_targets(app)
    assert update_targets[1] == set()
    mock.undo()  # remove the patch

    # remove all sources for the next test
    shutil.rmtree(app.srcdir, ignore_errors=True)
    time.sleep(0.1 if os.name == 'posix' else 0.5)  # real sleep


@sphinx_intl
@pytest.mark.sphinx('html')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_html_meta(app):
    app.build()
    # --- test for meta
    result = (app.outdir / 'index.html').read_text(encoding='utf8')
    expected_expr = '<meta content="TESTDATA FOR I18N" name="description" translated="True" />'
    assert expected_expr in result
    expected_expr = '<meta content="I18N, SPHINX, MARKUP" name="keywords" translated="True" />'
    assert expected_expr in result
    expected_expr = '<p class="caption" role="heading"><span class="caption-text">HIDDEN TOC</span></p>'
    assert expected_expr in result


@sphinx_intl
@pytest.mark.sphinx('html')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_html_footnotes(app):
    app.build()
    # --- test for #955 cant-build-html-with-footnotes-when-using
    # expect no error by build
    (app.outdir / 'footnote.html').read_text(encoding='utf8')


@sphinx_intl
@pytest.mark.sphinx('html')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_html_undefined_refs(app):
    app.build()
    # --- links to undefined reference
    result = (app.outdir / 'refs_inconsistency.html').read_text(encoding='utf8')

    expected_expr = ('<a class="reference external" '
                     'href="https://www.example.com">reference</a>')
    assert len(re.findall(expected_expr, result)) == 2

    expected_expr = ('<a class="reference internal" '
                     'href="#reference">reference</a>')
    assert len(re.findall(expected_expr, result)) == 0

    expected_expr = ('<a class="reference internal" '
                     'href="#i18n-with-refs-inconsistency">I18N WITH '
                     'REFS INCONSISTENCY</a>')
    assert len(re.findall(expected_expr, result)) == 1


@sphinx_intl
@pytest.mark.sphinx('html')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_html_index_entries(app):
    app.build()
    # --- index entries: regression test for #976
    result = (app.outdir / 'genindex.html').read_text(encoding='utf8')

    def wrap(tag, keyword):
        start_tag = "<%s[^>]*>" % tag
        end_tag = "</%s>" % tag
        return fr"{start_tag}\s*{keyword}\s*{end_tag}"

    def wrap_nest(parenttag, childtag, keyword):
        start_tag1 = "<%s[^>]*>" % parenttag
        start_tag2 = "<%s[^>]*>" % childtag
        return fr"{start_tag1}\s*{keyword}\s*{start_tag2}"
    expected_exprs = [
        wrap('h2', 'Symbols'),
        wrap('h2', 'C'),
        wrap('h2', 'E'),
        wrap('h2', 'F'),
        wrap('h2', 'M'),
        wrap('h2', 'N'),
        wrap('h2', 'R'),
        wrap('h2', 'S'),
        wrap('h2', 'T'),
        wrap('h2', 'V'),
        wrap('a', 'NEWSLETTER'),
        wrap('a', 'MAILING LIST'),
        wrap('a', 'RECIPIENTS LIST'),
        wrap('a', 'FIRST SECOND'),
        wrap('a', 'SECOND THIRD'),
        wrap('a', 'THIRD, FIRST'),
        wrap_nest('li', 'ul', 'ENTRY'),
        wrap_nest('li', 'ul', 'SEE'),
    ]
    for expr in expected_exprs:
        assert re.search(expr, result, re.MULTILINE), f'{expr!r} did not match {result!r}'


@sphinx_intl
@pytest.mark.sphinx('html')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_html_versionchanges(app):
    app.build()
    # --- versionchanges
    result = (app.outdir / 'versionchange.html').read_text(encoding='utf8')

    def get_content(result, name):
        matched = re.search(r'<div class="%s">\n*(.*?)</div>' % name,
                            result, re.DOTALL)
        if matched:
            return matched.group(1)
        else:
            return ''

    expect1 = (
        """<p><span class="versionmodified deprecated">Deprecated since version 1.0: </span>"""
        """THIS IS THE <em>FIRST</em> PARAGRAPH OF DEPRECATED.</p>\n"""
        """<p>THIS IS THE <em>SECOND</em> PARAGRAPH OF DEPRECATED.</p>\n""")
    matched_content = get_content(result, "deprecated")
    assert expect1 == matched_content

    expect2 = (
        """<p><span class="versionmodified added">Added in version 1.0: </span>"""
        """THIS IS THE <em>FIRST</em> PARAGRAPH OF VERSIONADDED.</p>\n""")
    matched_content = get_content(result, "versionadded")
    assert expect2 == matched_content

    expect3 = (
        """<p><span class="versionmodified changed">Changed in version 1.0: </span>"""
        """THIS IS THE <em>FIRST</em> PARAGRAPH OF VERSIONCHANGED.</p>\n""")
    matched_content = get_content(result, "versionchanged")
    assert expect3 == matched_content

    expect4 = (
        """<p><span class="versionmodified removed">Removed in version 1.0: </span>"""
        """THIS IS THE <em>FIRST</em> PARAGRAPH OF VERSIONREMOVED.</p>\n""")
    matched_content = get_content(result, "versionremoved")
    assert expect4 == matched_content


@sphinx_intl
@pytest.mark.sphinx('html')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_html_docfields(app):
    app.build()
    # --- docfields
    # expect no error by build
    (app.outdir / 'docfields.html').read_text(encoding='utf8')


@sphinx_intl
@pytest.mark.sphinx('html')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_html_template(app):
    app.build()
    # --- gettext template
    result = (app.outdir / 'contents.html').read_text(encoding='utf8')
    assert "WELCOME" in result
    assert "SPHINX 2013.120" in result


@sphinx_intl
@pytest.mark.sphinx('html')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_html_rebuild_mo(app):
    app.build()
    # --- rebuild by .mo mtime
    app.build()
    _, updated, _ = _get_update_targets(app)
    assert updated == set()

    _, bom_file = _get_bom_intl_path(app)
    old_mtime = bom_file.stat().st_mtime
    new_mtime = old_mtime + (dt := 5)
    os.utime(bom_file, (new_mtime, new_mtime))
    assert old_mtime + dt == new_mtime, (old_mtime + dt, new_mtime)
    _, updated, _ = _get_update_targets(app)
    assert updated == {'bom'}


@sphinx_intl
@pytest.mark.sphinx('xml')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_xml_footnotes(app, warning):
    app.build()
    # --- footnotes: regression test for fix #955, #1176
    et = etree_parse(app.outdir / 'footnote.xml')
    secs = et.findall('section')

    para0 = secs[0].findall('paragraph')
    assert_elem(
        para0[0],
        ['I18N WITH FOOTNOTE', 'INCLUDE THIS CONTENTS',
         '2', '[ref]', '1', '100', '*', '. SECOND FOOTNOTE_REF', '100', '.'],
        ['i18n-with-footnote', 'ref'])

    # check node_id for footnote_references which refer same footnote (refs: #3002)
    assert para0[0][4].text == para0[0][6].text == '100'
    assert para0[0][4].attrib['ids'] != para0[0][6].attrib['ids']

    footnote0 = secs[0].findall('footnote')
    assert_elem(
        footnote0[0],
        ['1', 'THIS IS A AUTO NUMBERED FOOTNOTE.'],
        None,
        ['1'])
    assert_elem(
        footnote0[1],
        ['100', 'THIS IS A NUMBERED FOOTNOTE.'],
        None,
        ['100'])
    assert_elem(
        footnote0[2],
        ['2', 'THIS IS A AUTO NUMBERED NAMED FOOTNOTE.'],
        None,
        ['named'])
    assert_elem(
        footnote0[3],
        ['*', 'THIS IS A AUTO SYMBOL FOOTNOTE.'],
        None,
        None)

    citation0 = secs[0].findall('citation')
    assert_elem(
        citation0[0],
        ['ref', 'THIS IS A NAMED FOOTNOTE.'],
        None,
        ['ref'])

    warnings = getwarning(warning)
    warning_expr = '.*/footnote.xml:\\d*: SEVERE: Duplicate ID: ".*".\n'
    assert not re.search(warning_expr, warnings), f'{warning_expr!r} did match {warnings!r}'


@sphinx_intl
@pytest.mark.sphinx('xml')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_xml_footnote_backlinks(app):
    app.build()
    # --- footnote backlinks: i18n test for #1058
    et = etree_parse(app.outdir / 'footnote.xml')
    secs = et.findall('section')

    para0 = secs[0].findall('paragraph')
    refs0 = para0[0].findall('footnote_reference')
    refid2id = {r.attrib.get('refid'): r.attrib.get('ids') for r in refs0}

    footnote0 = secs[0].findall('footnote')
    for footnote in footnote0:
        ids = footnote.attrib.get('ids')
        backrefs = footnote.attrib.get('backrefs').split()
        assert refid2id[ids] in backrefs


@sphinx_intl
@pytest.mark.sphinx('xml')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_xml_refs_in_python_domain(app):
    app.build()
    # --- refs in the Python domain
    et = etree_parse(app.outdir / 'refs_python_domain.xml')
    secs = et.findall('section')

    # regression test for fix #1363
    para0 = secs[0].findall('paragraph')
    assert_elem(
        para0[0],
        ['SEE THIS DECORATOR:', 'sensitive_variables()', '.'],
        ['sensitive.sensitive_variables'])


@sphinx_intl
@pytest.mark.sphinx('xml')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_xml_keep_external_links(app):
    app.build()
    # --- keep external links: regression test for #1044
    et = etree_parse(app.outdir / 'external_links.xml')
    secs = et.findall('section')

    para0 = secs[0].findall('paragraph')
    # external link check
    assert_elem(
        para0[0],
        ['EXTERNAL LINK TO', 'Python', '.'],
        ['https://python.org/index.html'])

    # internal link check
    assert_elem(
        para0[1],
        ['EXTERNAL LINKS', 'IS INTERNAL LINK.'],
        ['i18n-with-external-links'])

    # inline link check
    assert_elem(
        para0[2],
        ['INLINE LINK BY', 'THE SPHINX SITE', '.'],
        ['https://sphinx-doc.org'])

    # unnamed link check
    assert_elem(
        para0[3],
        ['UNNAMED', 'LINK', '.'],
        ['https://google.com'])

    # link target swapped translation
    para1 = secs[1].findall('paragraph')
    assert_elem(
        para1[0],
        ['LINK TO', 'external2', 'AND', 'external1', '.'],
        ['https://www.google.com/external2',
         'https://www.google.com/external1'])
    assert_elem(
        para1[1],
        ['LINK TO', 'THE PYTHON SITE', 'AND', 'THE SPHINX SITE', '.'],
        ['https://python.org', 'https://sphinx-doc.org'])

    # multiple references in the same line
    para2 = secs[2].findall('paragraph')
    assert_elem(
        para2[0],
        ['LINK TO', 'EXTERNAL LINKS', ',', 'Python', ',',
         'THE SPHINX SITE', ',', 'UNNAMED', 'AND',
         'THE PYTHON SITE', '.'],
        ['i18n-with-external-links', 'https://python.org/index.html',
         'https://sphinx-doc.org', 'https://google.com',
         'https://python.org'])


@sphinx_intl
@pytest.mark.sphinx('xml')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_xml_role_xref(app):
    app.build()
    # --- role xref: regression test for #1090, #1193
    et = etree_parse(app.outdir / 'role_xref.xml')
    sec1, sec2 = et.findall('section')

    para1, = sec1.findall('paragraph')
    assert_elem(
        para1,
        ['LINK TO', "I18N ROCK'N ROLE XREF", ',', 'CONTENTS', ',',
         'SOME NEW TERM', '.'],
        ['i18n-role-xref', 'index',
         'glossary_terms#term-Some-term'])

    sec1_1, = sec1.findall('section')
    title, = sec1_1.findall('title')
    assert_elem(
        title,
        ['LINK TO', "I18N ROCK'N ROLE XREF", ',', 'CONTENTS', ',',
         'SOME NEW TERM', '.'],
        ['i18n-role-xref', 'index',
         'glossary_terms#term-Some-term'])

    para2 = sec2.findall('paragraph')
    assert_elem(
        para2[0],
        ['LINK TO', 'SOME OTHER NEW TERM', 'AND', 'SOME NEW TERM', '.'],
        ['glossary_terms#term-Some-other-term',
         'glossary_terms#term-Some-term'])
    assert_elem(
        para2[1],
        ['LINK TO', 'LABEL', 'AND',
         'SAME TYPE LINKS', 'AND', 'SAME TYPE LINKS', '.'],
        ['i18n-role-xref', 'same-type-links', 'same-type-links'])
    assert_elem(
        para2[2],
        ['LINK TO', 'I18N WITH GLOSSARY TERMS', 'AND', 'CONTENTS', '.'],
        ['glossary_terms', 'index'])
    assert_elem(
        para2[3],
        ['LINK TO', '--module', 'AND', '-m', '.'],
        ['cmdoption-module', 'cmdoption-m'])
    assert_elem(
        para2[4],
        ['LINK TO', 'env2', 'AND', 'env1', '.'],
        ['envvar-env2', 'envvar-env1'])
    assert_elem(
        para2[5],
        ['LINK TO', 'token2', 'AND', 'token1', '.'],
        [])  # TODO: how do I link token role to productionlist?
    assert_elem(
        para2[6],
        ['LINK TO', 'same-type-links', 'AND', "i18n-role-xref", '.'],
        ['same-type-links', 'i18n-role-xref'])


@sphinx_intl
@pytest.mark.sphinx('xml')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_xml_warnings(app, warning):
    app.build()
    # warnings
    warnings = getwarning(warning)
    assert warnings.count('term not in glossary') == 1
    assert 'undefined label' not in warnings
    assert 'unknown document' not in warnings


@sphinx_intl
@pytest.mark.sphinx('xml')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_xml_label_targets(app):
    app.build()
    # --- label targets: regression test for #1193, #1265
    et = etree_parse(app.outdir / 'label_target.xml')
    secs = et.findall('section')

    para0 = secs[0].findall('paragraph')
    assert_elem(
        para0[0],
        ['X SECTION AND LABEL', 'POINT TO', 'implicit-target', 'AND',
         'X SECTION AND LABEL', 'POINT TO', 'section-and-label', '.'],
        ['implicit-target', 'section-and-label'])

    para1 = secs[1].findall('paragraph')
    assert_elem(
        para1[0],
        ['X EXPLICIT-TARGET', 'POINT TO', 'explicit-target', 'AND',
         'X EXPLICIT-TARGET', 'POINT TO DUPLICATED ID LIKE', 'id1',
         '.'],
        ['explicit-target', 'id1'])

    para2 = secs[2].findall('paragraph')
    assert_elem(
        para2[0],
        ['X IMPLICIT SECTION NAME', 'POINT TO',
         'implicit-section-name', '.'],
        ['implicit-section-name'])

    sec2 = secs[2].findall('section')

    para2_0 = sec2[0].findall('paragraph')
    assert_elem(
        para2_0[0],
        ['`X DUPLICATED SUB SECTION`_', 'IS BROKEN LINK.'],
        [])

    para3 = secs[3].findall('paragraph')
    assert_elem(
        para3[0],
        ['X', 'bridge label',
         'IS NOT TRANSLATABLE BUT LINKED TO TRANSLATED ' +
         'SECTION TITLE.'],
        ['label-bridged-target-section'])
    assert_elem(
        para3[1],
        ['X', 'bridge label', 'POINT TO',
         'LABEL BRIDGED TARGET SECTION', 'AND', 'bridge label2',
         'POINT TO', 'SECTION AND LABEL', '. THE SECOND APPEARED',
         'bridge label2', 'POINT TO CORRECT TARGET.'],
        ['label-bridged-target-section',
         'section-and-label',
         'section-and-label'])


@sphinx_intl
@pytest.mark.sphinx('xml')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_xml_strange_markup(app):
    app.build()
    et = etree_parse(app.outdir / 'markup.xml')
    secs = et.findall('section')

    subsec1, = secs[0].findall('section')
    title1, = subsec1.findall('title')
    assert_elem(title1, ['1. TITLE STARTING WITH 1.'])


@sphinx_intl
@pytest.mark.sphinx('html')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_additional_targets_should_not_be_translated(app):
    app.build()
    # [literalblock.txt]
    result = (app.outdir / 'literalblock.html').read_text(encoding='utf8')

    # title should be translated
    expected_expr = 'CODE-BLOCKS'
    assert_count(expected_expr, result, 2)

    # ruby code block should not be translated but be highlighted
    expected_expr = """<span class="s1">&#39;result&#39;</span>"""
    assert_count(expected_expr, result, 1)

    # C code block without lang should not be translated and *ruby* highlighted
    expected_expr = """<span class="c1">#include &lt;stdlib.h&gt;</span>"""
    assert_count(expected_expr, result, 1)

    # C code block with lang should not be translated but be *C* highlighted
    expected_expr = ("""<span class="cp">#include</span>"""
                     """<span class="w"> </span>"""
                     """<span class="cpf">&lt;stdio.h&gt;</span>""")
    assert_count(expected_expr, result, 1)

    # literal block in list item should not be translated
    expected_expr = ("""<span class="n">literal</span>"""
                     """<span class="o">-</span>"""
                     """<span class="n">block</span>\n"""
                     """<span class="k">in</span>"""
                     """<span class="w"> </span>"""
                     """<span class="n">list</span>""")
    assert_count(expected_expr, result, 1)

    # doctest block should not be translated but be highlighted
    expected_expr = (
        """<span class="gp">&gt;&gt;&gt; </span>"""
        """<span class="kn">import</span> <span class="nn">sys</span>  """
        """<span class="c1"># sys importing</span>""")
    assert_count(expected_expr, result, 1)

    # [raw.txt]

    result = (app.outdir / 'raw.html').read_text(encoding='utf8')

    # raw block should not be translated
    expected_expr = """<iframe src="https://sphinx-doc.org"></iframe></section>"""
    assert_count(expected_expr, result, 1)

    # [figure.txt]

    result = (app.outdir / 'figure.html').read_text(encoding='utf8')

    # src for image block should not be translated (alt is translated)
    expected_expr = """<img alt="I18N -&gt; IMG" src="_images/i18n.png" />"""
    assert_count(expected_expr, result, 1)

    # src for figure block should not be translated (alt is translated)
    expected_expr = """<img alt="IMG -&gt; I18N" src="_images/img.png" />"""
    assert_count(expected_expr, result, 1)


@sphinx_intl
@pytest.mark.sphinx(
    'html',
    srcdir='test_additional_targets_should_be_translated',
    confoverrides={
        'language': _CATALOG_LOCALE, 'locale_dirs': ['.'],
        'gettext_compact': False,
        'gettext_additional_targets': [
            'index',
            'literal-block',
            'doctest-block',
            'raw',
            'image',
        ],
    },
)
def test_additional_targets_should_be_translated(app):
    app.build()
    # [literalblock.txt]
    result = (app.outdir / 'literalblock.html').read_text(encoding='utf8')

    # basic literal bloc should be translated
    expected_expr = ('<span class="n">THIS</span> <span class="n">IS</span>\n'
                     '<span class="n">LITERAL</span> <span class="n">BLOCK</span>')
    assert_count(expected_expr, result, 1)

    # literalinclude should be translated
    expected_expr = '<span class="s2">&quot;HTTPS://SPHINX-DOC.ORG&quot;</span>'
    assert_count(expected_expr, result, 1)

    # title should be translated
    expected_expr = 'CODE-BLOCKS'
    assert_count(expected_expr, result, 2)

    # ruby code block should be translated and be highlighted
    expected_expr = """<span class="s1">&#39;RESULT&#39;</span>"""
    assert_count(expected_expr, result, 1)

    # C code block without lang should be translated and *ruby* highlighted
    expected_expr = """<span class="c1">#include &lt;STDLIB.H&gt;</span>"""
    assert_count(expected_expr, result, 1)

    # C code block with lang should be translated and be *C* highlighted
    expected_expr = ("""<span class="cp">#include</span>"""
                     """<span class="w"> </span>"""
                     """<span class="cpf">&lt;STDIO.H&gt;</span>""")
    assert_count(expected_expr, result, 1)

    # literal block in list item should be translated
    expected_expr = ("""<span class="no">LITERAL</span>"""
                     """<span class="o">-</span>"""
                     """<span class="no">BLOCK</span>\n"""
                     """<span class="no">IN</span>"""
                     """<span class="w"> </span>"""
                     """<span class="no">LIST</span>""")
    assert_count(expected_expr, result, 1)

    # doctest block should not be translated but be highlighted
    expected_expr = (
        """<span class="gp">&gt;&gt;&gt; </span>"""
        """<span class="kn">import</span> <span class="nn">sys</span>  """
        """<span class="c1"># SYS IMPORTING</span>""")
    assert_count(expected_expr, result, 1)

    # 'noqa' comments should remain in literal blocks.
    assert_count("#noqa", result, 1)

    # [raw.txt]

    result = (app.outdir / 'raw.html').read_text(encoding='utf8')

    # raw block should be translated
    expected_expr = """<iframe src="HTTPS://SPHINX-DOC.ORG"></iframe></section>"""
    assert_count(expected_expr, result, 1)

    # [figure.txt]

    result = (app.outdir / 'figure.html').read_text(encoding='utf8')

    # alt and src for image block should be translated
    expected_expr = """<img alt="I18N -&gt; IMG" src="_images/img.png" />"""
    assert_count(expected_expr, result, 1)

    # alt and src for figure block should be translated
    expected_expr = """<img alt="IMG -&gt; I18N" src="_images/i18n.png" />"""
    assert_count(expected_expr, result, 1)


@pytest.mark.sphinx(
    'html',
    testroot='intl_substitution_definitions',
    confoverrides={
        'language': _CATALOG_LOCALE, 'locale_dirs': ['.'],
        'gettext_compact': False,
        'gettext_additional_targets': [
            'index',
            'literal-block',
            'doctest-block',
            'raw',
            'image',
        ],
    },
)
def test_additional_targets_should_be_translated_substitution_definitions(app):
    app.build(force_all=True)

    # [prolog_epilog_substitution.txt]

    result = (app.outdir / 'prolog_epilog_substitution.html').read_text(encoding='utf8')

    # alt and src for image block should be translated
    expected_expr = """<img alt="SUBST_PROLOG_2 TRANSLATED" src="_images/i18n.png" />"""
    assert_count(expected_expr, result, 1)

    # alt and src for image block should be translated
    expected_expr = """<img alt="SUBST_EPILOG_2 TRANSLATED" src="_images/img.png" />"""
    assert_count(expected_expr, result, 1)


@sphinx_intl
@pytest.mark.sphinx('text')
@pytest.mark.test_params(shared_result='test_intl_basic')
def test_text_references(app, warning):
    app.build(filenames=[app.srcdir / 'refs.txt'])

    warnings = warning.getvalue().replace(os.sep, '/')
    warning_expr = 'refs.txt:\\d+: ERROR: Unknown target name:'
    assert_count(warning_expr, warnings, 0)


@pytest.mark.sphinx(
    'text',
    testroot='intl_substitution_definitions',
    confoverrides={
        'language': _CATALOG_LOCALE, 'locale_dirs': ['.'],
        'gettext_compact': False,
    },
)
def test_text_prolog_epilog_substitution(app):
    app.build()

    result = (app.outdir / 'prolog_epilog_substitution.txt').read_text(encoding='utf8')

    assert result == """\
1. I18N WITH PROLOGUE AND EPILOGUE SUBSTITUTIONS
************************************************

THIS IS CONTENT THAT CONTAINS prologue substitute text.

SUBSTITUTED IMAGE [image: SUBST_PROLOG_2 TRANSLATED][image] HERE.

THIS IS CONTENT THAT CONTAINS epilogue substitute text.

SUBSTITUTED IMAGE [image: SUBST_EPILOG_2 TRANSLATED][image] HERE.
"""


@pytest.mark.sphinx(
    'dummy', testroot='images',
    srcdir='test_intl_images',
    confoverrides={'language': _CATALOG_LOCALE},
)
def test_image_glob_intl(app):
    app.build()

    # index.rst
    doctree = app.env.get_doctree('index')
    assert_node(doctree[0][1], nodes.image, uri='rimg.xx.png',
                candidates={'*': 'rimg.xx.png'})

    assert isinstance(doctree[0][2], nodes.figure)
    assert_node(doctree[0][2][0], nodes.image, uri='rimg.xx.png',
                candidates={'*': 'rimg.xx.png'})

    assert_node(doctree[0][3], nodes.image, uri='img.*',
                candidates={'application/pdf': 'img.pdf',
                            'image/gif': 'img.gif',
                            'image/png': 'img.png'})

    assert isinstance(doctree[0][4], nodes.figure)
    assert_node(doctree[0][4][0], nodes.image, uri='img.*',
                candidates={'application/pdf': 'img.pdf',
                            'image/gif': 'img.gif',
                            'image/png': 'img.png'})

    # subdir/index.rst
    doctree = app.env.get_doctree('subdir/index')
    assert_node(doctree[0][1], nodes.image, uri='subdir/rimg.xx.png',
                candidates={'*': 'subdir/rimg.xx.png'})

    assert_node(doctree[0][2], nodes.image, uri='subdir/svgimg.*',
                candidates={'application/pdf': 'subdir/svgimg.pdf',
                            'image/svg+xml': 'subdir/svgimg.xx.svg'})

    assert isinstance(doctree[0][3], nodes.figure)
    assert_node(doctree[0][3][0], nodes.image, uri='subdir/svgimg.*',
                candidates={'application/pdf': 'subdir/svgimg.pdf',
                            'image/svg+xml': 'subdir/svgimg.xx.svg'})


@pytest.mark.sphinx(
    'dummy', testroot='images',
    srcdir='test_intl_images',
    confoverrides={
        'language': _CATALOG_LOCALE,
        'figure_language_filename': '{root}{ext}.{language}',
    },
)
def test_image_glob_intl_using_figure_language_filename(app):
    app.build()

    # index.rst
    doctree = app.env.get_doctree('index')
    assert_node(doctree[0][1], nodes.image, uri='rimg.png.xx',
                candidates={'*': 'rimg.png.xx'})

    assert isinstance(doctree[0][2], nodes.figure)
    assert_node(doctree[0][2][0], nodes.image, uri='rimg.png.xx',
                candidates={'*': 'rimg.png.xx'})

    assert_node(doctree[0][3], nodes.image, uri='img.*',
                candidates={'application/pdf': 'img.pdf',
                            'image/gif': 'img.gif',
                            'image/png': 'img.png'})

    assert isinstance(doctree[0][4], nodes.figure)
    assert_node(doctree[0][4][0], nodes.image, uri='img.*',
                candidates={'application/pdf': 'img.pdf',
                            'image/gif': 'img.gif',
                            'image/png': 'img.png'})

    # subdir/index.rst
    doctree = app.env.get_doctree('subdir/index')
    assert_node(doctree[0][1], nodes.image, uri='subdir/rimg.png',
                candidates={'*': 'subdir/rimg.png'})

    assert_node(doctree[0][2], nodes.image, uri='subdir/svgimg.*',
                candidates={'application/pdf': 'subdir/svgimg.pdf',
                            'image/svg+xml': 'subdir/svgimg.svg'})

    assert isinstance(doctree[0][3], nodes.figure)
    assert_node(doctree[0][3][0], nodes.image, uri='subdir/svgimg.*',
                candidates={'application/pdf': 'subdir/svgimg.pdf',
                            'image/svg+xml': 'subdir/svgimg.svg'})


def getwarning(warnings):
    return strip_colors(warnings.getvalue().replace(os.sep, '/'))


@pytest.mark.sphinx('html', testroot='basic',
                    srcdir='gettext_allow_fuzzy_translations',
                    confoverrides={
                        'language': 'de',
                        'gettext_allow_fuzzy_translations': True,
                    })
def test_gettext_allow_fuzzy_translations(app):
    locale_dir = app.srcdir / 'locales' / 'de' / 'LC_MESSAGES'
    locale_dir.mkdir(parents=True, exist_ok=True)
    with (locale_dir / 'index.po').open('wb') as f:
        catalog = Catalog()
        catalog.add('features', 'FEATURES', flags=('fuzzy',))
        pofile.write_po(f, catalog)

    app.build()
    content = (app.outdir / 'index.html').read_text(encoding='utf8')
    assert 'FEATURES' in content


@pytest.mark.sphinx('html', testroot='basic',
                    srcdir='gettext_disallow_fuzzy_translations',
                    confoverrides={
                        'language': 'de',
                        'gettext_allow_fuzzy_translations': False,
                    })
def test_gettext_disallow_fuzzy_translations(app):
    locale_dir = app.srcdir / 'locales' / 'de' / 'LC_MESSAGES'
    locale_dir.mkdir(parents=True, exist_ok=True)
    with (locale_dir / 'index.po').open('wb') as f:
        catalog = Catalog()
        catalog.add('features', 'FEATURES', flags=('fuzzy',))
        pofile.write_po(f, catalog)

    app.build()
    content = (app.outdir / 'index.html').read_text(encoding='utf8')
    assert 'FEATURES' not in content


@pytest.mark.sphinx('html', testroot='basic', confoverrides={'language': 'de'})
def test_customize_system_message(make_app, app_params):
    try:
        # clear translators cache
        locale.translators.clear()

        # prepare message catalog (.po)
        locale_dir = app_params.kwargs['srcdir'] / 'locales' / 'de' / 'LC_MESSAGES'
        locale_dir.mkdir(parents=True, exist_ok=True)
        with (locale_dir / 'sphinx.po').open('wb') as f:
            catalog = Catalog()
            catalog.add('Quick search', 'QUICK SEARCH')
            pofile.write_po(f, catalog)

        # construct application and convert po file to .mo
        args, kwargs = app_params
        app = make_app(*args, **kwargs)
        assert (locale_dir / 'sphinx.mo').exists()
        assert app.translator.gettext('Quick search') == 'QUICK SEARCH'

        app.build()
        content = (app.outdir / 'index.html').read_text(encoding='utf8')
        assert 'QUICK SEARCH' in content
    finally:
        locale.translators.clear()


@pytest.mark.sphinx('html', testroot='intl', confoverrides={'today_fmt': '%Y-%m-%d'})
def test_customize_today_date_format(app, monkeypatch):
    with monkeypatch.context() as m:
        m.setenv('SOURCE_DATE_EPOCH', '1439131307')
        app.build()
        content = (app.outdir / 'refs.html').read_text(encoding='utf8')

    assert '2015-08-09' in content