def test_section_contains_values_from_parent_and_child(self, tmp_path):
# arrange
parent_path = tmp_path / "dir" / "parent.ini"
child_path = tmp_path / "repobee.ini"
parent = config.Config(parent_path)
parent_sec = "some-section"
parent_opt = "some-option"
parent_val = "some-value"
parent.create_section(parent_sec)
parent[parent_sec][parent_opt] = parent_val
child_opt = "other-option"
child_val = "other-value"
child = config.Config(child_path)
child.parent = parent
child.create_section("some-section")
child[parent_sec][child_opt] = child_val
# act
section = child[parent_sec]
fetched_parent_value = section[parent_opt]
fetched_child_value = section[child_opt]
# assert
assert fetched_parent_value == parent_val
assert fetched_child_value == child_val
def test_detects_cyclic_inheritance(self, tmp_path):
# arrange
grandparent_path = tmp_path / "otherdir" / "grandparent.ini"
parent_path = tmp_path / "dir" / "parent.ini"
child_path = tmp_path / "repobee.ini"
grandparent = config.Config(grandparent_path)
parent = config.Config(parent_path)
parent.parent = grandparent
child = config.Config(child_path)
child.parent = parent
# act/assert
with pytest.raises(exceptions.PlugError) as exc_info:
grandparent.parent = child
cycle = " -> ".join(
map(
str,
[grandparent_path, child_path, parent_path, grandparent_path],
))
assert f"Cyclic inheritance detected in config: {cycle}" in str(
exc_info.value)
def test_get_option_from_parent(self, tmp_path):
# arrange
parent_path = tmp_path / "dir" / "parent.ini"
child_path = tmp_path / "repobee.ini"
parent = config.Config(parent_path)
parent_sec = "some-section"
parent_opt = "some-option"
parent_val = "some-value"
parent.create_section(parent_sec)
parent[parent_sec][parent_opt] = parent_val
# act
child = config.Config(child_path)
child.parent = parent
fetched_val = child.get(parent_sec, parent_opt)
# assert
assert fetched_val == parent_val
def test_key_error_on_getitem_for_non_existent_key(self, tmp_path):
# arrange
parent_path = tmp_path / "dir" / "parent.ini"
child_path = tmp_path / "repobee.ini"
parent = config.Config(parent_path)
parent_sec = "some-section"
parent_opt = "some-option"
parent_val = "some-value"
parent.create_section(parent_sec)
parent[parent_sec][parent_opt] = parent_val
child = config.Config(child_path)
child.parent = parent
# act/assert
non_existing_key = "thiskeydoesntexist"
with pytest.raises(KeyError) as exc_info:
child[parent_sec][non_existing_key]
assert non_existing_key in str(exc_info.value)