def test_resolve_no_resolver(self):
context = DependencyContext([], Language({}, 'lang'),
Configuration({}, [], None))
with pytest.raises(ValueError) as info:
context.resolve()
assert info.value.args[
0] == 'The language, lang, does not provide a means of resolving dependencies.'
def test_resolve_to_nothing(self):
dep = _make_dep(name='resolve-to-nothing')
language = Language({}, 'lang')
context = DependencyContext([dep], language, Configuration({}, [],
None))
language.resolver = MagicMock(return_value=None)
with pytest.raises(ValueError) as info:
context.resolve()
assert info.value.args[0] == 'Dependency path:\nresolve-to-nothing:resolve-to-nothing:1.2.3\nThe dependency, ' \
'resolve-to-nothing:resolve-to-nothing:1.2.3, could not be resolved.'
language.resolver.assert_called_once_with(context, dep)
def test_resolve_no_dependencies(self):
language = Language({}, 'lang')
context = DependencyContext([], language, Configuration({}, [], None))
language.resolver = MagicMock()
assert context.resolve() == []
def test_resolve_version_mismatch(self):
dep1 = _make_dep(version='1.2.3')
dep2 = _make_dep(version='4.5.6')
path = Path('/path/to/file.txt')
language = Language({}, 'lang')
path_set = DependencyPathSet(dep1, path)
context = DependencyContext([dep1, dep2], language,
Configuration({}, [], None))
language.resolver = MagicMock(return_value=path_set)
with pytest.raises(ValueError) as info:
context.resolve()
assert info.value.args[0] == 'The same library, name:name, is required at two different versions, 1.2.3 vs. ' \
'4.5.6.'
language.resolver.assert_called_once_with(context, dep1)
def test_resolve_duplicates(self):
dep = _make_dep()
path = Path('/path/to/file.txt')
language = Language({}, 'lang')
path_set = DependencyPathSet(dep, path)
context = DependencyContext([dep, dep], language,
Configuration({}, [], None))
language.resolver = MagicMock(return_value=path_set)
assert context.resolve() == [path_set]
language.resolver.assert_called_once_with(context, dep)