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Add tests for config.get_backend()

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This commit is contained in:
Florian Bruhin 2017-09-19 07:05:36 +02:00
parent 7bece81519
commit 13a8867e13
1 changed files with 32 additions and 0 deletions
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32
tests/unit/config/test_config.py
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@ -1036,3 +1036,35 @@ class TestQtArgs:
parsed = parser.parse_args(['--qt-flag', 'foo'])
config_stub.val.qt_args = ['bar']
assert config.qt_args(parsed) == [sys.argv[0], '--foo', '--bar']
@pytest.mark.parametrize('arg, confval, can_import, is_new_webkit, used', [
# overridden by commandline arg
('webkit', 'auto', False, False, usertypes.Backend.QtWebKit),
# overridden by config
(None, 'webkit', False, False, usertypes.Backend.QtWebKit),
# WebKit available but too old
(None, 'auto', True, False, usertypes.Backend.QtWebEngine),
# WebKit available and new
(None, 'auto', True, True, usertypes.Backend.QtWebKit),
# WebKit unavailable
(None, 'auto', False, False, usertypes.Backend.QtWebEngine),
])
def test_get_backend(monkeypatch, fake_args, config_stub,
arg, confval, can_import, is_new_webkit, used):
real_import = __import__
def fake_import(name, *args, **kwargs):
if name != 'PyQt5.QtWebKit':
return real_import(name, *args, **kwargs)
if can_import:
return None
raise ImportError
fake_args.backend = arg
config_stub.val.backend = confval
monkeypatch.setattr(config.qtutils, 'is_new_qtwebkit',
lambda: is_new_webkit)
monkeypatch.setattr('builtins.__import__', fake_import)
assert config.get_backend(fake_args) == used