def test_cannot_add_qualifiers_without_runner_in_stack(self):
rs = RunnerStack(None)
with pytest.raises(err.VinoError) as exc_info:
assert len(rs) == 0
rs.add_qualifiers([0, 1])
error = exc_info.value
assert 'without specifying a processor' in str(error).lower()
def test_cannot_add_qualifier_without_context(self, tags):
processors = ((t, None) for t in tags)
rs = RunnerStack(None)
rs.add(*processors)
with pytest.raises(err.VinoError) as exc_info:
rs.add_qualifiers([0, 1])
error = exc_info.value
assert 'must be given a context' in str(error).lower()
def test_can_add_qualifiers_if_context_has_QStack_class(self, tags):
processors = ((t, None) for t in tags)
c = ctx.Context()
c = ctx.Context(qualifier_stack_cls=quals.ItemQualifierStack)
rs = RunnerStack(c)
rs.add(*processors)
rs.add_qualifiers([0, 1])
qstack = rs[-1]['qualifiers']
qualifiers = qstack.qualifiers
assert qualifiers['indices'] == {0, 1}
def test_cannot_add_qualifier_if_context_has_no_QStack_class(self, tags):
processors = ((t, None) for t in tags)
c = ctx.Context(qualifier_stack_cls=quals.ItemQualifierStack)
rs = RunnerStack(c)
rs.add(*processors)
c.qualifier_stack_cls = None
with pytest.raises(err.VinoError) as exc_info:
rs.add_qualifiers([0, 1])
error = exc_info.value
assert ('qualifierstack constructor must be specified'
in str(error).lower())
def test_cannot_add_qualifiers_if_runner_has_qualifiers_set_to_False(
self, tags):
processors = ((t, None) for t in tags)
c = ctx.Context()
c._qualifier_stack_constructor = quals.ItemQualifierStack
rs = RunnerStack(c)
rs.add(*processors)
rs[-1]['qualifiers'] = False
with pytest.raises(err.VinoError) as exc_info:
rs.add_qualifiers([0, 1])
error = exc_info.value
assert 'does not accept qualifiers' in str(error).lower()
def test_successive_qualifier_applications_merges_qualifiers(self, tags):
processors = ((t, None) for t in tags)
c = ctx.Context(qualifier_stack_cls=quals.ItemQualifierStack)
rs = RunnerStack(c)
rs.add(*processors)
rs.add_qualifiers([0, 1])
qstack = rs[-1]['qualifiers']
qualifiers = qstack.qualifiers
assert qualifiers['indices'] == {0, 1}
rs.add_qualifiers([1, 3, 8])
assert qualifiers['indices'] == {0, 1, 3, 8}
rs.add_qualifiers(9, 5, 0, 1)
assert qualifiers['indices'] == {0, 1, 3, 8, 9, 5}