| |
| .. _`tbreportdemo`: |
| |
| Demo of Python failure reports with pytest |
| ================================================== |
| |
| Here is a nice run of several tens of failures |
| and how ``pytest`` presents things (unfortunately |
| not showing the nice colors here in the HTML that you |
| get on the terminal - we are working on that): |
| |
| .. code-block:: python |
| |
| assertion $ py.test failure_demo.py |
| ======= test session starts ======== |
| platform linux -- Python 3.4.0, pytest-2.9.1, py-1.4.31, pluggy-0.3.1 |
| rootdir: $REGENDOC_TMPDIR/assertion, inifile: |
| collected 42 items |
| |
| failure_demo.py FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF |
| |
| ======= FAILURES ======== |
| _______ test_generative[0] ________ |
| |
| param1 = 3, param2 = 6 |
| |
| def test_generative(param1, param2): |
| > assert param1 * 2 < param2 |
| E assert (3 * 2) < 6 |
| |
| failure_demo.py:16: AssertionError |
| _______ TestFailing.test_simple ________ |
| |
| self = <failure_demo.TestFailing object at 0xdeadbeef> |
| |
| def test_simple(self): |
| def f(): |
| return 42 |
| def g(): |
| return 43 |
| |
| > assert f() == g() |
| E assert 42 == 43 |
| E + where 42 = <function TestFailing.test_simple.<locals>.f at 0xdeadbeef>() |
| E + and 43 = <function TestFailing.test_simple.<locals>.g at 0xdeadbeef>() |
| |
| failure_demo.py:29: AssertionError |
| _______ TestFailing.test_simple_multiline ________ |
| |
| self = <failure_demo.TestFailing object at 0xdeadbeef> |
| |
| def test_simple_multiline(self): |
| otherfunc_multi( |
| 42, |
| > 6*9) |
| |
| failure_demo.py:34: |
| _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
| |
| a = 42, b = 54 |
| |
| def otherfunc_multi(a,b): |
| > assert (a == |
| b) |
| E assert 42 == 54 |
| |
| failure_demo.py:12: AssertionError |
| _______ TestFailing.test_not ________ |
| |
| self = <failure_demo.TestFailing object at 0xdeadbeef> |
| |
| def test_not(self): |
| def f(): |
| return 42 |
| > assert not f() |
| E assert not 42 |
| E + where 42 = <function TestFailing.test_not.<locals>.f at 0xdeadbeef>() |
| |
| failure_demo.py:39: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_text ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_text(self): |
| > assert 'spam' == 'eggs' |
| E assert 'spam' == 'eggs' |
| E - spam |
| E + eggs |
| |
| failure_demo.py:43: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_similar_text ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_similar_text(self): |
| > assert 'foo 1 bar' == 'foo 2 bar' |
| E assert 'foo 1 bar' == 'foo 2 bar' |
| E - foo 1 bar |
| E ? ^ |
| E + foo 2 bar |
| E ? ^ |
| |
| failure_demo.py:46: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_multiline_text ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_multiline_text(self): |
| > assert 'foo\nspam\nbar' == 'foo\neggs\nbar' |
| E assert 'foo\nspam\nbar' == 'foo\neggs\nbar' |
| E foo |
| E - spam |
| E + eggs |
| E bar |
| |
| failure_demo.py:49: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_long_text ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_long_text(self): |
| a = '1'*100 + 'a' + '2'*100 |
| b = '1'*100 + 'b' + '2'*100 |
| > assert a == b |
| E assert '111111111111...2222222222222' == '1111111111111...2222222222222' |
| E Skipping 90 identical leading characters in diff, use -v to show |
| E Skipping 91 identical trailing characters in diff, use -v to show |
| E - 1111111111a222222222 |
| E ? ^ |
| E + 1111111111b222222222 |
| E ? ^ |
| |
| failure_demo.py:54: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_long_text_multiline ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_long_text_multiline(self): |
| a = '1\n'*100 + 'a' + '2\n'*100 |
| b = '1\n'*100 + 'b' + '2\n'*100 |
| > assert a == b |
| E assert '1\n1\n1\n1\n...n2\n2\n2\n2\n' == '1\n1\n1\n1\n1...n2\n2\n2\n2\n' |
| E Skipping 190 identical leading characters in diff, use -v to show |
| E Skipping 191 identical trailing characters in diff, use -v to show |
| E 1 |
| E 1 |
| E 1 |
| E 1 |
| E 1 |
| E - a2 |
| E + b2 |
| E 2 |
| E 2 |
| E 2 |
| E 2 |
| |
| failure_demo.py:59: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_list ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_list(self): |
| > assert [0, 1, 2] == [0, 1, 3] |
| E assert [0, 1, 2] == [0, 1, 3] |
| E At index 2 diff: 2 != 3 |
| E Use -v to get the full diff |
| |
| failure_demo.py:62: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_list_long ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_list_long(self): |
| a = [0]*100 + [1] + [3]*100 |
| b = [0]*100 + [2] + [3]*100 |
| > assert a == b |
| E assert [0, 0, 0, 0, 0, 0, ...] == [0, 0, 0, 0, 0, 0, ...] |
| E At index 100 diff: 1 != 2 |
| E Use -v to get the full diff |
| |
| failure_demo.py:67: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_dict ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_dict(self): |
| > assert {'a': 0, 'b': 1, 'c': 0} == {'a': 0, 'b': 2, 'd': 0} |
| E assert {'a': 0, 'b': 1, 'c': 0} == {'a': 0, 'b': 2, 'd': 0} |
| E Omitting 1 identical items, use -v to show |
| E Differing items: |
| E {'b': 1} != {'b': 2} |
| E Left contains more items: |
| E {'c': 0} |
| E Right contains more items: |
| E {'d': 0} |
| E Use -v to get the full diff |
| |
| failure_demo.py:70: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_set ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_set(self): |
| > assert set([0, 10, 11, 12]) == set([0, 20, 21]) |
| E assert set([0, 10, 11, 12]) == set([0, 20, 21]) |
| E Extra items in the left set: |
| E 10 |
| E 11 |
| E 12 |
| E Extra items in the right set: |
| E 20 |
| E 21 |
| E Use -v to get the full diff |
| |
| failure_demo.py:73: AssertionError |
| _______ TestSpecialisedExplanations.test_eq_longer_list ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_eq_longer_list(self): |
| > assert [1,2] == [1,2,3] |
| E assert [1, 2] == [1, 2, 3] |
| E Right contains more items, first extra item: 3 |
| E Use -v to get the full diff |
| |
| failure_demo.py:76: AssertionError |
| _______ TestSpecialisedExplanations.test_in_list ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_in_list(self): |
| > assert 1 in [0, 2, 3, 4, 5] |
| E assert 1 in [0, 2, 3, 4, 5] |
| |
| failure_demo.py:79: AssertionError |
| _______ TestSpecialisedExplanations.test_not_in_text_multiline ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_not_in_text_multiline(self): |
| text = 'some multiline\ntext\nwhich\nincludes foo\nand a\ntail' |
| > assert 'foo' not in text |
| E assert 'foo' not in 'some multiline\ntext\nw...ncludes foo\nand a\ntail' |
| E 'foo' is contained here: |
| E some multiline |
| E text |
| E which |
| E includes foo |
| E ? +++ |
| E and a |
| E tail |
| |
| failure_demo.py:83: AssertionError |
| _______ TestSpecialisedExplanations.test_not_in_text_single ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_not_in_text_single(self): |
| text = 'single foo line' |
| > assert 'foo' not in text |
| E assert 'foo' not in 'single foo line' |
| E 'foo' is contained here: |
| E single foo line |
| E ? +++ |
| |
| failure_demo.py:87: AssertionError |
| _______ TestSpecialisedExplanations.test_not_in_text_single_long ________ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_not_in_text_single_long(self): |
| text = 'head ' * 50 + 'foo ' + 'tail ' * 20 |
| > assert 'foo' not in text |
| E assert 'foo' not in 'head head head head hea...ail tail tail tail tail ' |
| E 'foo' is contained here: |
| E head head foo tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail |
| E ? +++ |
| |
| failure_demo.py:91: AssertionError |
| ______ TestSpecialisedExplanations.test_not_in_text_single_long_term _______ |
| |
| self = <failure_demo.TestSpecialisedExplanations object at 0xdeadbeef> |
| |
| def test_not_in_text_single_long_term(self): |
| text = 'head ' * 50 + 'f'*70 + 'tail ' * 20 |
| > assert 'f'*70 not in text |
| E assert 'fffffffffff...ffffffffffff' not in 'head head he...l tail tail ' |
| E 'ffffffffffffffffff...fffffffffffffffffff' is contained here: |
| E head head fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffftail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail tail |
| E ? ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| |
| failure_demo.py:95: AssertionError |
| _______ test_attribute ________ |
| |
| def test_attribute(): |
| class Foo(object): |
| b = 1 |
| i = Foo() |
| > assert i.b == 2 |
| E assert 1 == 2 |
| E + where 1 = <failure_demo.test_attribute.<locals>.Foo object at 0xdeadbeef>.b |
| |
| failure_demo.py:102: AssertionError |
| _______ test_attribute_instance ________ |
| |
| def test_attribute_instance(): |
| class Foo(object): |
| b = 1 |
| > assert Foo().b == 2 |
| E assert 1 == 2 |
| E + where 1 = <failure_demo.test_attribute_instance.<locals>.Foo object at 0xdeadbeef>.b |
| E + where <failure_demo.test_attribute_instance.<locals>.Foo object at 0xdeadbeef> = <class 'failure_demo.test_attribute_instance.<locals>.Foo'>() |
| |
| failure_demo.py:108: AssertionError |
| _______ test_attribute_failure ________ |
| |
| def test_attribute_failure(): |
| class Foo(object): |
| def _get_b(self): |
| raise Exception('Failed to get attrib') |
| b = property(_get_b) |
| i = Foo() |
| > assert i.b == 2 |
| |
| failure_demo.py:117: |
| _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
| |
| self = <failure_demo.test_attribute_failure.<locals>.Foo object at 0xdeadbeef> |
| |
| def _get_b(self): |
| > raise Exception('Failed to get attrib') |
| E Exception: Failed to get attrib |
| |
| failure_demo.py:114: Exception |
| _______ test_attribute_multiple ________ |
| |
| def test_attribute_multiple(): |
| class Foo(object): |
| b = 1 |
| class Bar(object): |
| b = 2 |
| > assert Foo().b == Bar().b |
| E assert 1 == 2 |
| E + where 1 = <failure_demo.test_attribute_multiple.<locals>.Foo object at 0xdeadbeef>.b |
| E + where <failure_demo.test_attribute_multiple.<locals>.Foo object at 0xdeadbeef> = <class 'failure_demo.test_attribute_multiple.<locals>.Foo'>() |
| E + and 2 = <failure_demo.test_attribute_multiple.<locals>.Bar object at 0xdeadbeef>.b |
| E + where <failure_demo.test_attribute_multiple.<locals>.Bar object at 0xdeadbeef> = <class 'failure_demo.test_attribute_multiple.<locals>.Bar'>() |
| |
| failure_demo.py:125: AssertionError |
| _______ TestRaises.test_raises ________ |
| |
| self = <failure_demo.TestRaises object at 0xdeadbeef> |
| |
| def test_raises(self): |
| s = 'qwe' |
| > raises(TypeError, "int(s)") |
| |
| failure_demo.py:134: |
| _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
| |
| > int(s) |
| E ValueError: invalid literal for int() with base 10: 'qwe' |
| |
| <0-codegen $PYTHON_PREFIX/lib/python3.4/site-packages/_pytest/python.py:1302>:1: ValueError |
| _______ TestRaises.test_raises_doesnt ________ |
| |
| self = <failure_demo.TestRaises object at 0xdeadbeef> |
| |
| def test_raises_doesnt(self): |
| > raises(IOError, "int('3')") |
| E Failed: DID NOT RAISE <class 'OSError'> |
| |
| failure_demo.py:137: Failed |
| _______ TestRaises.test_raise ________ |
| |
| self = <failure_demo.TestRaises object at 0xdeadbeef> |
| |
| def test_raise(self): |
| > raise ValueError("demo error") |
| E ValueError: demo error |
| |
| failure_demo.py:140: ValueError |
| _______ TestRaises.test_tupleerror ________ |
| |
| self = <failure_demo.TestRaises object at 0xdeadbeef> |
| |
| def test_tupleerror(self): |
| > a,b = [1] |
| E ValueError: need more than 1 value to unpack |
| |
| failure_demo.py:143: ValueError |
| ______ TestRaises.test_reinterpret_fails_with_print_for_the_fun_of_it ______ |
| |
| self = <failure_demo.TestRaises object at 0xdeadbeef> |
| |
| def test_reinterpret_fails_with_print_for_the_fun_of_it(self): |
| l = [1,2,3] |
| print ("l is %r" % l) |
| > a,b = l.pop() |
| E TypeError: 'int' object is not iterable |
| |
| failure_demo.py:148: TypeError |
| --------------------------- Captured stdout call --------------------------- |
| l is [1, 2, 3] |
| _______ TestRaises.test_some_error ________ |
| |
| self = <failure_demo.TestRaises object at 0xdeadbeef> |
| |
| def test_some_error(self): |
| > if namenotexi: |
| E NameError: name 'namenotexi' is not defined |
| |
| failure_demo.py:151: NameError |
| _______ test_dynamic_compile_shows_nicely ________ |
| |
| def test_dynamic_compile_shows_nicely(): |
| src = 'def foo():\n assert 1 == 0\n' |
| name = 'abc-123' |
| module = py.std.imp.new_module(name) |
| code = _pytest._code.compile(src, name, 'exec') |
| py.builtin.exec_(code, module.__dict__) |
| py.std.sys.modules[name] = module |
| > module.foo() |
| |
| failure_demo.py:166: |
| _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
| |
| def foo(): |
| > assert 1 == 0 |
| E assert 1 == 0 |
| |
| <2-codegen 'abc-123' $REGENDOC_TMPDIR/assertion/failure_demo.py:163>:2: AssertionError |
| _______ TestMoreErrors.test_complex_error ________ |
| |
| self = <failure_demo.TestMoreErrors object at 0xdeadbeef> |
| |
| def test_complex_error(self): |
| def f(): |
| return 44 |
| def g(): |
| return 43 |
| > somefunc(f(), g()) |
| |
| failure_demo.py:176: |
| _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
| failure_demo.py:9: in somefunc |
| otherfunc(x,y) |
| _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ |
| |
| a = 44, b = 43 |
| |
| def otherfunc(a,b): |
| > assert a==b |
| E assert 44 == 43 |
| |
| failure_demo.py:6: AssertionError |
| _______ TestMoreErrors.test_z1_unpack_error ________ |
| |
| self = <failure_demo.TestMoreErrors object at 0xdeadbeef> |
| |
| def test_z1_unpack_error(self): |
| l = [] |
| > a,b = l |
| E ValueError: need more than 0 values to unpack |
| |
| failure_demo.py:180: ValueError |
| _______ TestMoreErrors.test_z2_type_error ________ |
| |
| self = <failure_demo.TestMoreErrors object at 0xdeadbeef> |
| |
| def test_z2_type_error(self): |
| l = 3 |
| > a,b = l |
| E TypeError: 'int' object is not iterable |
| |
| failure_demo.py:184: TypeError |
| _______ TestMoreErrors.test_startswith ________ |
| |
| self = <failure_demo.TestMoreErrors object at 0xdeadbeef> |
| |
| def test_startswith(self): |
| s = "123" |
| g = "456" |
| > assert s.startswith(g) |
| E assert <built-in method startswith of str object at 0xdeadbeef>('456') |
| E + where <built-in method startswith of str object at 0xdeadbeef> = '123'.startswith |
| |
| failure_demo.py:189: AssertionError |
| _______ TestMoreErrors.test_startswith_nested ________ |
| |
| self = <failure_demo.TestMoreErrors object at 0xdeadbeef> |
| |
| def test_startswith_nested(self): |
| def f(): |
| return "123" |
| def g(): |
| return "456" |
| > assert f().startswith(g()) |
| E assert <built-in method startswith of str object at 0xdeadbeef>('456') |
| E + where <built-in method startswith of str object at 0xdeadbeef> = '123'.startswith |
| E + where '123' = <function TestMoreErrors.test_startswith_nested.<locals>.f at 0xdeadbeef>() |
| E + and '456' = <function TestMoreErrors.test_startswith_nested.<locals>.g at 0xdeadbeef>() |
| |
| failure_demo.py:196: AssertionError |
| _______ TestMoreErrors.test_global_func ________ |
| |
| self = <failure_demo.TestMoreErrors object at 0xdeadbeef> |
| |
| def test_global_func(self): |
| > assert isinstance(globf(42), float) |
| E assert isinstance(43, float) |
| E + where 43 = globf(42) |
| |
| failure_demo.py:199: AssertionError |
| _______ TestMoreErrors.test_instance ________ |
| |
| self = <failure_demo.TestMoreErrors object at 0xdeadbeef> |
| |
| def test_instance(self): |
| self.x = 6*7 |
| > assert self.x != 42 |
| E assert 42 != 42 |
| E + where 42 = <failure_demo.TestMoreErrors object at 0xdeadbeef>.x |
| |
| failure_demo.py:203: AssertionError |
| _______ TestMoreErrors.test_compare ________ |
| |
| self = <failure_demo.TestMoreErrors object at 0xdeadbeef> |
| |
| def test_compare(self): |
| > assert globf(10) < 5 |
| E assert 11 < 5 |
| E + where 11 = globf(10) |
| |
| failure_demo.py:206: AssertionError |
| _______ TestMoreErrors.test_try_finally ________ |
| |
| self = <failure_demo.TestMoreErrors object at 0xdeadbeef> |
| |
| def test_try_finally(self): |
| x = 1 |
| try: |
| > assert x == 0 |
| E assert 1 == 0 |
| |
| failure_demo.py:211: AssertionError |
| _______ TestCustomAssertMsg.test_single_line ________ |
| |
| self = <failure_demo.TestCustomAssertMsg object at 0xdeadbeef> |
| |
| def test_single_line(self): |
| class A: |
| a = 1 |
| b = 2 |
| > assert A.a == b, "A.a appears not to be b" |
| E AssertionError: A.a appears not to be b |
| E assert 1 == 2 |
| E + where 1 = <class 'failure_demo.TestCustomAssertMsg.test_single_line.<locals>.A'>.a |
| |
| failure_demo.py:222: AssertionError |
| _______ TestCustomAssertMsg.test_multiline ________ |
| |
| self = <failure_demo.TestCustomAssertMsg object at 0xdeadbeef> |
| |
| def test_multiline(self): |
| class A: |
| a = 1 |
| b = 2 |
| > assert A.a == b, "A.a appears not to be b\n" \ |
| "or does not appear to be b\none of those" |
| E AssertionError: A.a appears not to be b |
| E or does not appear to be b |
| E one of those |
| E assert 1 == 2 |
| E + where 1 = <class 'failure_demo.TestCustomAssertMsg.test_multiline.<locals>.A'>.a |
| |
| failure_demo.py:228: AssertionError |
| _______ TestCustomAssertMsg.test_custom_repr ________ |
| |
| self = <failure_demo.TestCustomAssertMsg object at 0xdeadbeef> |
| |
| def test_custom_repr(self): |
| class JSON: |
| a = 1 |
| def __repr__(self): |
| return "This is JSON\n{\n 'foo': 'bar'\n}" |
| a = JSON() |
| b = 2 |
| > assert a.a == b, a |
| E AssertionError: This is JSON |
| E { |
| E 'foo': 'bar' |
| E } |
| E assert 1 == 2 |
| E + where 1 = This is JSON\n{\n 'foo': 'bar'\n}.a |
| |
| failure_demo.py:238: AssertionError |
| ======= 42 failed in 0.12 seconds ======== |
