def test_invalid_link():
"""Test that error is propagated from link parser to json parser.
1. Create json parser.
2. Try to parse a link from invalid data.
3. Check that error is raised.
4. Check that error is the same as one that link parser raises.
"""
invalid_link_data = object()
parser = JSONParser()
with pytest.raises(ValueError) as actual_error_info:
parser.parse_link(invalid_link_data)
with pytest.raises(ValueError) as expected_error_info:
parser.create_link_parser(invalid_link_data).parse()
assert actual_error_info.value.args[0] == expected_error_info.value.args[
0], ("Wrong error is raised")
def test_links(links_data):
"""Test that links are properly parsed.
1. Create json parser.
2. Replace parse_link method of the parser so that it returns fake data.
3. Create an embedded representation parser with the parser.
4. Parse fields.
5. Check the parsed fields.
"""
json_parser = JSONParser()
json_parser.parse_link = links_data.index
parser = EmbeddedRepresentationParser(data={"links": links_data},
parser=json_parser)
actual_links = parser.parse_links()
assert actual_links == tuple(range(len(links_data))), "Wrong links"