def test_compare_rows_invalid_columns(self):
"""
Row comparison should raise an error if
`comparison_columns` is not a subset of `display_columns`
"""
with pytest.raises(ValueError):
assertions.compare_rows(
table=[], expected_table=[],
comparison_columns=['foo', 'bar'],
display_columns=['bar', 'baz'],
)
def test_compare_rows(self, table, expected_table, comparison_columns,
display_columns, strict, fail_limit,
expected_result):
assert assertions.compare_rows(
table=table,
expected_table=expected_table,
comparison_columns=comparison_columns,
display_columns=display_columns,
strict=strict,
fail_limit=fail_limit) == expected_result
def test_compare_rows_error(self):
"""
Getting exact traceback is not very
trivial so we have this test separate.
"""
error_ctx = {}
def error_func(value):
try:
raise Exception('some message')
except Exception as exc:
error_ctx['msg'] = format_trace(inspect.trace(), exc)
raise
table = [
{'foo': 1, 'bar': 2}
]
expected_table = [
{'foo': 1, 'bar': error_func}
]
passed, row_comparisons = assertions.compare_rows(
table=table, expected_table=expected_table,
comparison_columns=['foo', 'bar'],
display_columns=['foo', 'bar'],
strict=True,
fail_limit=0,
)
row_comparison = row_comparisons[0]
traceback_regex = re.compile(r'raise\s{1}')
error_orig = row_comparison.errors['bar']
error_expected = error_ctx['msg']
error_orig = error_orig[traceback_regex.search(
error_orig).start():]
error_expected = error_expected[traceback_regex.search(
error_expected).start():]
assert passed is False
assert row_comparison.idx == 0
assert row_comparison.data == [1, 2]
assert row_comparison.diff == {}
assert error_orig == error_expected
assert row_comparison.extra == {'bar': error_func}
def test_compare_rows_error(self):
"""
Getting exact traceback is not very
trivial so we have this test separate.
"""
error_ctx = {}
def error_func(value):
try:
raise Exception("some message")
except Exception:
error_ctx["msg"] = traceback.format_exc()
raise
table = [{"foo": 1, "bar": 2}]
expected_table = [{"foo": 1, "bar": error_func}]
passed, row_comparisons = assertions.compare_rows(
table=table,
expected_table=expected_table,
comparison_columns=["foo", "bar"],
display_columns=["foo", "bar"],
strict=True,
fail_limit=0,
)
row_comparison = row_comparisons[0]
traceback_regex = re.compile(r"raise\s{1}")
error_orig = row_comparison.errors["bar"]
error_expected = error_ctx["msg"]
error_orig = error_orig[traceback_regex.search(error_orig).start() :]
error_expected = error_expected[
traceback_regex.search(error_expected).start() :
]
assert passed is False
assert row_comparison.idx == 0
assert row_comparison.data == [1, 2]
assert row_comparison.diff == {}
assert error_orig == error_expected
assert row_comparison.extra == {"bar": error_func}
def test_compare_rows(
self,
table,
expected_table,
comparison_columns,
display_columns,
strict,
fail_limit,
report_fails_only,
expected_result,
):
assert (
assertions.compare_rows(
table=table,
expected_table=expected_table,
comparison_columns=comparison_columns,
display_columns=display_columns,
strict=strict,
fail_limit=fail_limit,
report_fails_only=report_fails_only,
)
== expected_result
)