Update web-platform-tests to 5582e4d2bfcfd1fa9f105406b143170ee2af7db1

tests/wpt/web-platform-tests/tools/pytest/testing/test_assertinterpret.py

@@ -0,0 +1,274 @@
+"PYTEST_DONT_REWRITE"
+import py
+import pytest
+from _pytest.assertion import util
+
+
+def exvalue():
+    return py.std.sys.exc_info()[1]
+
+def f():
+    return 2
+
+def test_not_being_rewritten():
+    assert "@py_builtins" not in globals()
+
+def test_assert():
+    try:
+        assert f() == 3
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert s.startswith('assert 2 == 3\n')
+
+def test_assert_with_explicit_message():
+    try:
+        assert f() == 3, "hello"
+    except AssertionError:
+        e = exvalue()
+        assert e.msg == 'hello'
+
+def test_assert_within_finally():
+    excinfo = pytest.raises(ZeroDivisionError, """
+        try:
+            1/0
+        finally:
+            i = 42
+    """)
+    s = excinfo.exconly()
+    assert py.std.re.search("division.+by zero", s) is not None
+
+    #def g():
+    #    A.f()
+    #excinfo = getexcinfo(TypeError, g)
+    #msg = getmsg(excinfo)
+    #assert msg.find("must be called with A") != -1
+
+
+def test_assert_multiline_1():
+    try:
+        assert (f() ==
+                3)
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert s.startswith('assert 2 == 3\n')
+
+def test_assert_multiline_2():
+    try:
+        assert (f() == (4,
+                   3)[-1])
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert s.startswith('assert 2 ==')
+
+def test_in():
+    try:
+        assert "hi" in [1, 2]
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert s.startswith("assert 'hi' in")
+
+def test_is():
+    try:
+        assert 1 is 2
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert s.startswith("assert 1 is 2")
+
+
+def test_attrib():
+    class Foo(object):
+        b = 1
+    i = Foo()
+    try:
+        assert i.b == 2
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert s.startswith("assert 1 == 2")
+
+def test_attrib_inst():
+    class Foo(object):
+        b = 1
+    try:
+        assert Foo().b == 2
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert s.startswith("assert 1 == 2")
+
+def test_len():
+    l = list(range(42))
+    try:
+        assert len(l) == 100
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert s.startswith("assert 42 == 100")
+        assert "where 42 = len([" in s
+
+def test_assert_non_string_message():
+    class A:
+        def __str__(self):
+            return "hello"
+    try:
+        assert 0 == 1, A()
+    except AssertionError:
+        e = exvalue()
+        assert e.msg == "hello"
+
+def test_assert_keyword_arg():
+    def f(x=3):
+        return False
+    try:
+        assert f(x=5)
+    except AssertionError:
+        e = exvalue()
+        assert "x=5" in e.msg
+
+def test_private_class_variable():
+    class X:
+        def __init__(self):
+            self.__v = 41
+        def m(self):
+            assert self.__v == 42
+    try:
+        X().m()
+    except AssertionError:
+        e = exvalue()
+        assert "== 42" in e.msg
+
+# These tests should both fail, but should fail nicely...
+class WeirdRepr:
+    def __repr__(self):
+        return '<WeirdRepr\nsecond line>'
+
+def bug_test_assert_repr():
+    v = WeirdRepr()
+    try:
+        assert v == 1
+    except AssertionError:
+        e = exvalue()
+        assert e.msg.find('WeirdRepr') != -1
+        assert e.msg.find('second line') != -1
+        assert 0
+
+def test_assert_non_string():
+    try:
+        assert 0, ['list']
+    except AssertionError:
+        e = exvalue()
+        assert e.msg.find("list") != -1
+
+def test_assert_implicit_multiline():
+    try:
+        x = [1,2,3]
+        assert x != [1,
+           2, 3]
+    except AssertionError:
+        e = exvalue()
+        assert e.msg.find('assert [1, 2, 3] !=') != -1
+
+
+def test_assert_with_brokenrepr_arg():
+    class BrokenRepr:
+        def __repr__(self): 0 / 0
+    e = AssertionError(BrokenRepr())
+    if e.msg.find("broken __repr__") == -1:
+        pytest.fail("broken __repr__ not handle correctly")
+
+def test_multiple_statements_per_line():
+    try:
+        a = 1; assert a == 2
+    except AssertionError:
+        e = exvalue()
+        assert "assert 1 == 2" in e.msg
+
+def test_power():
+    try:
+        assert 2**3 == 7
+    except AssertionError:
+        e = exvalue()
+        assert "assert (2 ** 3) == 7" in e.msg
+
+
+def test_assert_customizable_reprcompare(monkeypatch):
+    monkeypatch.setattr(util, '_reprcompare', lambda *args: 'hello')
+    try:
+        assert 3 == 4
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert "hello" in s
+
+def test_assert_long_source_1():
+    try:
+        assert len == [
+            (None, ['somet text', 'more text']),
+        ]
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert 're-run' not in s
+        assert 'somet text' in s
+
+def test_assert_long_source_2():
+    try:
+        assert(len == [
+            (None, ['somet text', 'more text']),
+        ])
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert 're-run' not in s
+        assert 'somet text' in s
+
+def test_assert_raise_alias(testdir):
+    testdir.makepyfile("""
+    "PYTEST_DONT_REWRITE"
+    import sys
+    EX = AssertionError
+    def test_hello():
+        raise EX("hello"
+            "multi"
+            "line")
+    """)
+    result = testdir.runpytest()
+    result.stdout.fnmatch_lines([
+        "*def test_hello*",
+        "*raise EX*",
+        "*1 failed*",
+    ])
+
+
+def test_assert_raise_subclass():
+    class SomeEx(AssertionError):
+        def __init__(self, *args):
+            super(SomeEx, self).__init__()
+    try:
+        raise SomeEx("hello")
+    except AssertionError:
+        s = str(exvalue())
+        assert 're-run' not in s
+        assert 'could not determine' in s
+
+def test_assert_raises_in_nonzero_of_object_pytest_issue10():
+    class A(object):
+        def __nonzero__(self):
+            raise ValueError(42)
+        def __lt__(self, other):
+            return A()
+        def __repr__(self):
+            return "<MY42 object>"
+    def myany(x):
+        return True
+    try:
+        assert not(myany(A() < 0))
+    except AssertionError:
+        e = exvalue()
+        s = str(e)
+        assert "<MY42 object> < 0" in s