1 files changed, 80 insertions, 0 deletions
diff --git a/tests/test_builders/test_build_html_image.py b/tests/test_builders/test_build_html_image.py
new file mode 100644
index 0000000..08ed618
--- /dev/null
+++ b/tests/test_builders/test_build_html_image.py
@@ -0,0 +1,80 @@
+import re
+from pathlib import Path
+
+import docutils
+import pytest
+
+
+@pytest.mark.sphinx('html', testroot='images')
+def test_html_remote_images(app, status, warning):
+    app.build(force_all=True)
+
+    result = (app.outdir / 'index.html').read_text(encoding='utf8')
+    assert ('<img alt="http://localhost:7777/sphinx.png" '
+            'src="http://localhost:7777/sphinx.png" />' in result)
+    assert not (app.outdir / 'sphinx.png').exists()
+
+
+@pytest.mark.sphinx('html', testroot='image-escape')
+def test_html_encoded_image(app, status, warning):
+    app.build(force_all=True)
+
+    result = (app.outdir / 'index.html').read_text(encoding='utf8')
+    assert ('<img alt="_images/img_%231.png" src="_images/img_%231.png" />' in result)
+    assert (app.outdir / '_images/img_#1.png').exists()
+
+
+@pytest.mark.sphinx('html', testroot='remote-logo')
+def test_html_remote_logo(app, status, warning):
+    app.build(force_all=True)
+
+    result = (app.outdir / 'index.html').read_text(encoding='utf8')
+    assert ('<img class="logo" src="https://www.python.org/static/img/python-logo.png" alt="Logo"/>' in result)
+    assert ('<link rel="icon" href="https://www.python.org/static/favicon.ico"/>' in result)
+    assert not (app.outdir / 'python-logo.png').exists()
+
+
+@pytest.mark.sphinx('html', testroot='local-logo')
+def test_html_local_logo(app, status, warning):
+    app.build(force_all=True)
+
+    result = (app.outdir / 'index.html').read_text(encoding='utf8')
+    assert ('<img class="logo" src="_static/img.png" alt="Logo"/>' in result)
+    assert (app.outdir / '_static/img.png').exists()
+
+
+@pytest.mark.sphinx(testroot='html_scaled_image_link')
+def test_html_scaled_image_link(app):
+    app.build()
+    context = (app.outdir / 'index.html').read_text(encoding='utf8')
+
+    # no scaled parameters
+    assert re.search('\n<img alt="_images/img.png" src="_images/img.png" />', context)
+
+    # scaled_image_link
+    # Docutils 0.21 adds a newline before the closing </a> tag
+    closing_space = "\n" if docutils.__version_info__[:2] >= (0, 21) else ""
+    assert re.search('\n<a class="reference internal image-reference" href="_images/img.png">'
+                     '<img alt="_images/img.png" src="_images/img.png" style="[^"]+" />'
+                     f'{closing_space}</a>',
+                     context)
+
+    # no-scaled-link class disables the feature
+    assert re.search('\n<img alt="_images/img.png" class="no-scaled-link"'
+                     ' src="_images/img.png" style="[^"]+" />',
+                     context)
+
+
+@pytest.mark.sphinx('html', testroot='images')
+def test_copy_images(app, status, warning):
+    app.build()
+
+    images_dir = Path(app.outdir) / '_images'
+    images = {image.name for image in images_dir.rglob('*')}
+    assert images == {
+        'img.png',
+        'rimg.png',
+        'rimg1.png',
+        'svgimg.svg',
+        'testimäge.png',
+    }