156 lines
4.5 KiB
Python
156 lines
4.5 KiB
Python
import sys
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import py
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import py._plugin.pytest_assertion as plugin
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needsnewassert = py.test.mark.skipif("sys.version_info < (2,6)")
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def interpret(expr):
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return py.code._reinterpret(expr, py.code.Frame(sys._getframe(1)))
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class TestBinReprIntegration:
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pytestmark = needsnewassert
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def pytest_funcarg__hook(self, request):
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class MockHook(object):
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def __init__(self):
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self.called = False
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self.args = tuple()
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self.kwargs = dict()
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def __call__(self, op, left, right):
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self.called = True
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self.op = op
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self.left = left
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self.right = right
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mockhook = MockHook()
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monkeypatch = request.getfuncargvalue("monkeypatch")
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monkeypatch.setattr(py.code, '_reprcompare', mockhook)
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return mockhook
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def test_pytest_assertrepr_compare_called(self, hook):
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interpret('assert 0 == 1')
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assert hook.called
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def test_pytest_assertrepr_compare_args(self, hook):
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interpret('assert [0, 1] == [0, 2]')
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assert hook.op == '=='
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assert hook.left == [0, 1]
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assert hook.right == [0, 2]
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def test_configure_unconfigure(self, testdir, hook):
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assert hook == py.code._reprcompare
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config = testdir.parseconfig()
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plugin.pytest_configure(config)
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assert hook != py.code._reprcompare
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plugin.pytest_unconfigure(config)
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assert hook == py.code._reprcompare
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class TestAssert_reprcompare:
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def test_different_types(self):
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assert plugin.pytest_assertrepr_compare('==', [0, 1], 'foo') is None
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def test_summary(self):
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summary = plugin.pytest_assertrepr_compare('==', [0, 1], [0, 2])[0]
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assert len(summary) < 65
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def test_text_diff(self):
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diff = plugin.pytest_assertrepr_compare('==', 'spam', 'eggs')[1:]
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assert '- spam' in diff
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assert '+ eggs' in diff
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def test_multiline_text_diff(self):
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left = 'foo\nspam\nbar'
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right = 'foo\neggs\nbar'
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diff = plugin.pytest_assertrepr_compare('==', left, right)
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assert '- spam' in diff
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assert '+ eggs' in diff
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def test_list(self):
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expl = plugin.pytest_assertrepr_compare('==', [0, 1], [0, 2])
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assert len(expl) > 1
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def test_list_different_lenghts(self):
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expl = plugin.pytest_assertrepr_compare('==', [0, 1], [0, 1, 2])
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assert len(expl) > 1
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expl = plugin.pytest_assertrepr_compare('==', [0, 1, 2], [0, 1])
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assert len(expl) > 1
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def test_dict(self):
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expl = plugin.pytest_assertrepr_compare('==', {'a': 0}, {'a': 1})
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assert len(expl) > 1
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def test_set(self):
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expl = plugin.pytest_assertrepr_compare('==', set([0, 1]), set([0, 2]))
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assert len(expl) > 1
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@needsnewassert
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def test_pytest_assertrepr_compare_integration(testdir):
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testdir.makepyfile("""
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def test_hello():
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x = set(range(100))
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y = x.copy()
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y.remove(50)
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assert x == y
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""")
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result = testdir.runpytest()
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result.stdout.fnmatch_lines([
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"*def test_hello():*",
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"*assert x == y*",
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"*E*Extra items*left*",
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"*E*50*",
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])
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def test_functional(testdir):
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testdir.makepyfile("""
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def test_hello():
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x = 3
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assert x == 4
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""")
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result = testdir.runpytest()
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assert "3 == 4" in result.stdout.str()
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result = testdir.runpytest("--no-assert")
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assert "3 == 4" not in result.stdout.str()
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def test_triple_quoted_string_issue113(testdir):
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testdir.makepyfile("""
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def test_hello():
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assert "" == '''
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'''""")
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result = testdir.runpytest("--fulltrace")
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result.stdout.fnmatch_lines([
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"*1 failed*",
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])
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assert 'SyntaxError' not in result.stdout.str()
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def test_traceback_failure(testdir):
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p1 = testdir.makepyfile("""
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def g():
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return 2
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def f(x):
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assert x == g()
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def test_onefails():
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f(3)
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""")
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result = testdir.runpytest(p1)
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result.stdout.fnmatch_lines([
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"*test_traceback_failure.py F",
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"====* FAILURES *====",
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"____*____",
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"",
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" def test_onefails():",
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"> f(3)",
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"",
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"*test_*.py:6: ",
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"_ _ _ *",
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#"",
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" def f(x):",
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"> assert x == g()",
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"E assert 3 == 2",
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"E + where 2 = g()",
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"",
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"*test_traceback_failure.py:4: AssertionError"
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])
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