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Diffstat (limited to '_test/test_api_change.py')
| -rw-r--r-- | _test/test_api_change.py | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/_test/test_api_change.py b/_test/test_api_change.py new file mode 100644 index 0000000..dd25fd9 --- /dev/null +++ b/_test/test_api_change.py @@ -0,0 +1,230 @@ +# coding: utf-8 + +""" +testing of anchors and the aliases referring to them +""" + +import sys +import textwrap +from pathlib import Path + +import pytest + + +class TestNewAPI: + def test_duplicate_keys_00(self): + from ruyaml import YAML + from ruyaml.constructor import DuplicateKeyError + + yaml = YAML() + with pytest.raises(DuplicateKeyError): + yaml.load('{a: 1, a: 2}') + + def test_duplicate_keys_01(self): + from ruyaml import YAML + from ruyaml.constructor import DuplicateKeyError + + yaml = YAML(typ='safe', pure=True) + with pytest.raises(DuplicateKeyError): + yaml.load('{a: 1, a: 2}') + + def test_duplicate_keys_02(self): + from ruyaml import YAML + from ruyaml.constructor import DuplicateKeyError + + yaml = YAML(typ='safe') + with pytest.raises(DuplicateKeyError): + yaml.load('{a: 1, a: 2}') + + def test_issue_135(self): + # reported by Andrzej Ostrowski + from ruyaml import YAML + + data = {'a': 1, 'b': 2} + yaml = YAML(typ='safe') + # originally on 2.7: with pytest.raises(TypeError): + yaml.dump(data, sys.stdout) + + def test_issue_135_temporary_workaround(self): + # never raised error + from ruyaml import YAML + + data = {'a': 1, 'b': 2} + yaml = YAML(typ='safe', pure=True) + yaml.dump(data, sys.stdout) + + +class TestWrite: + def test_dump_path(self, tmpdir): + from ruyaml import YAML + + fn = Path(str(tmpdir)) / 'test.yaml' + yaml = YAML() + data = yaml.map() + data['a'] = 1 + data['b'] = 2 + yaml.dump(data, fn) + assert fn.read_text() == 'a: 1\nb: 2\n' + + def test_dump_file(self, tmpdir): + from ruyaml import YAML + + fn = Path(str(tmpdir)) / 'test.yaml' + yaml = YAML() + data = yaml.map() + data['a'] = 1 + data['b'] = 2 + with open(str(fn), 'w') as fp: + yaml.dump(data, fp) + assert fn.read_text() == 'a: 1\nb: 2\n' + + def test_dump_missing_stream(self): + from ruyaml import YAML + + yaml = YAML() + data = yaml.map() + data['a'] = 1 + data['b'] = 2 + with pytest.raises(TypeError): + yaml.dump(data) + + def test_dump_too_many_args(self, tmpdir): + from ruyaml import YAML + + fn = Path(str(tmpdir)) / 'test.yaml' + yaml = YAML() + data = yaml.map() + data['a'] = 1 + data['b'] = 2 + with pytest.raises(TypeError): + yaml.dump(data, fn, True) + + def test_transform(self, tmpdir): + from ruyaml import YAML + + def tr(s): + return s.replace(' ', ' ') + + fn = Path(str(tmpdir)) / 'test.yaml' + yaml = YAML() + data = yaml.map() + data['a'] = 1 + data['b'] = 2 + yaml.dump(data, fn, transform=tr) + assert fn.read_text() == 'a: 1\nb: 2\n' + + def test_print(self, capsys): + from ruyaml import YAML + + yaml = YAML() + data = yaml.map() + data['a'] = 1 + data['b'] = 2 + yaml.dump(data, sys.stdout) + out, err = capsys.readouterr() + assert out == 'a: 1\nb: 2\n' + + +class TestRead: + def test_multi_load(self): + # make sure reader, scanner, parser get reset + from ruyaml import YAML + + yaml = YAML() + yaml.load('a: 1') + yaml.load('a: 1') # did not work in 0.15.4 + + def test_parse(self): + # ensure `parse` method is functional and can parse "unsafe" yaml + from ruyaml import YAML + from ruyaml.constructor import ConstructorError + + yaml = YAML(typ='safe') + s = '- !User0 {age: 18, name: Anthon}' + # should fail to load + with pytest.raises(ConstructorError): + yaml.load(s) + # should parse fine + yaml = YAML(typ='safe') + for _ in yaml.parse(s): + pass + + +class TestLoadAll: + def test_multi_document_load(self, tmpdir): + """this went wrong on 3.7 because of StopIteration, PR 37 and Issue 211""" + from ruyaml import YAML + + fn = Path(str(tmpdir)) / 'test.yaml' + fn.write_text( + textwrap.dedent( + """\ + --- + - a + --- + - b + ... + """ + ) + ) + yaml = YAML() + assert list(yaml.load_all(fn)) == [['a'], ['b']] + + +class TestDuplSet: + def test_dupl_set_00(self): + # round-trip-loader should except + from ruyaml import YAML + from ruyaml.constructor import DuplicateKeyError + + yaml = YAML() + with pytest.raises(DuplicateKeyError): + yaml.load( + textwrap.dedent( + """\ + !!set + ? a + ? b + ? c + ? a + """ + ) + ) + + +class TestDumpLoadUnicode: + # test triggered by SamH on stackoverflow (https://stackoverflow.com/q/45281596/1307905) + # and answer by randomir (https://stackoverflow.com/a/45281922/1307905) + def test_write_unicode(self, tmpdir): + from ruyaml import YAML + + yaml = YAML() + text_dict = {'text': 'HELLO_WORLD©'} + file_name = str(tmpdir) + '/tstFile.yaml' + yaml.dump(text_dict, open(file_name, 'w')) + assert open(file_name, 'rb').read().decode('utf-8') == 'text: HELLO_WORLD©\n' + + def test_read_unicode(self, tmpdir): + from ruyaml import YAML + + yaml = YAML() + file_name = str(tmpdir) + '/tstFile.yaml' + with open(file_name, 'wb') as fp: + fp.write('text: HELLO_WORLD©\n'.encode('utf-8')) + text_dict = yaml.load(open(file_name, 'r')) + assert text_dict['text'] == 'HELLO_WORLD©' + + +class TestFlowStyle: + def test_flow_style(self, capsys): + # https://stackoverflow.com/questions/45791712/ + from ruyaml import YAML + + yaml = YAML() + yaml.default_flow_style = None + data = yaml.map() + data['b'] = 1 + data['a'] = [[1, 2], [3, 4]] + yaml.dump(data, sys.stdout) + out, err = capsys.readouterr() + assert out == 'b: 1\na:\n- [1, 2]\n- [3, 4]\n' |