283 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			283 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			Python
		
	
	
	
| import _pytest._code
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| import pytest
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| from pytest import raises
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| 
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| 
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| def otherfunc(a, b):
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|     assert a == b
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| 
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| 
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| def somefunc(x, y):
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|     otherfunc(x, y)
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| 
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| 
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| def otherfunc_multi(a, b):
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|     assert a == b
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| 
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| 
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| @pytest.mark.parametrize("param1, param2", [(3, 6)])
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| def test_generative(param1, param2):
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|     assert param1 * 2 < param2
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| 
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| 
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| class TestFailing:
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|     def test_simple(self):
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|         def f():
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|             return 42
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| 
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|         def g():
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|             return 43
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| 
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|         assert f() == g()
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| 
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|     def test_simple_multiline(self):
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|         otherfunc_multi(42, 6 * 9)
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| 
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|     def test_not(self):
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|         def f():
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|             return 42
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| 
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|         assert not f()
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| 
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| 
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| class TestSpecialisedExplanations:
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|     def test_eq_text(self):
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|         assert "spam" == "eggs"
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| 
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|     def test_eq_similar_text(self):
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|         assert "foo 1 bar" == "foo 2 bar"
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| 
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|     def test_eq_multiline_text(self):
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|         assert "foo\nspam\nbar" == "foo\neggs\nbar"
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| 
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|     def test_eq_long_text(self):
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|         a = "1" * 100 + "a" + "2" * 100
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|         b = "1" * 100 + "b" + "2" * 100
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|         assert a == b
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| 
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|     def test_eq_long_text_multiline(self):
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|         a = "1\n" * 100 + "a" + "2\n" * 100
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|         b = "1\n" * 100 + "b" + "2\n" * 100
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|         assert a == b
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| 
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|     def test_eq_list(self):
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|         assert [0, 1, 2] == [0, 1, 3]
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| 
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|     def test_eq_list_long(self):
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|         a = [0] * 100 + [1] + [3] * 100
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|         b = [0] * 100 + [2] + [3] * 100
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|         assert a == b
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| 
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|     def test_eq_dict(self):
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|         assert {"a": 0, "b": 1, "c": 0} == {"a": 0, "b": 2, "d": 0}
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| 
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|     def test_eq_set(self):
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|         assert {0, 10, 11, 12} == {0, 20, 21}
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| 
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|     def test_eq_longer_list(self):
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|         assert [1, 2] == [1, 2, 3]
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| 
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|     def test_in_list(self):
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|         assert 1 in [0, 2, 3, 4, 5]
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| 
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|     def test_not_in_text_multiline(self):
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|         text = "some multiline\ntext\nwhich\nincludes foo\nand a\ntail"
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|         assert "foo" not in text
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| 
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|     def test_not_in_text_single(self):
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|         text = "single foo line"
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|         assert "foo" not in text
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| 
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|     def test_not_in_text_single_long(self):
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|         text = "head " * 50 + "foo " + "tail " * 20
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|         assert "foo" not in text
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| 
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|     def test_not_in_text_single_long_term(self):
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|         text = "head " * 50 + "f" * 70 + "tail " * 20
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|         assert "f" * 70 not in text
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| 
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|     def test_eq_dataclass(self):
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|         from dataclasses import dataclass
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| 
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|         @dataclass
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|         class Foo:
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|             a: int
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|             b: str
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| 
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|         left = Foo(1, "b")
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|         right = Foo(1, "c")
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|         assert left == right
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| 
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|     def test_eq_attrs(self):
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|         import attr
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| 
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|         @attr.s
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|         class Foo:
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|             a = attr.ib()
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|             b = attr.ib()
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| 
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|         left = Foo(1, "b")
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|         right = Foo(1, "c")
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|         assert left == right
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| 
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| 
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| def test_attribute():
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|     class Foo:
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|         b = 1
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| 
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|     i = Foo()
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|     assert i.b == 2
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| 
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| 
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| def test_attribute_instance():
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|     class Foo:
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|         b = 1
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| 
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|     assert Foo().b == 2
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| 
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| 
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| def test_attribute_failure():
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|     class Foo:
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|         def _get_b(self):
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|             raise Exception("Failed to get attrib")
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| 
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|         b = property(_get_b)
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| 
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|     i = Foo()
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|     assert i.b == 2
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| 
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| 
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| def test_attribute_multiple():
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|     class Foo:
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|         b = 1
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| 
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|     class Bar:
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|         b = 2
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| 
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|     assert Foo().b == Bar().b
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| 
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| 
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| def globf(x):
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|     return x + 1
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| 
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| 
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| class TestRaises:
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|     def test_raises(self):
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|         s = "qwe"
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|         raises(TypeError, int, s)
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| 
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|     def test_raises_doesnt(self):
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|         raises(IOError, int, "3")
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| 
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|     def test_raise(self):
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|         raise ValueError("demo error")
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| 
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|     def test_tupleerror(self):
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|         a, b = [1]  # NOQA
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| 
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|     def test_reinterpret_fails_with_print_for_the_fun_of_it(self):
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|         items = [1, 2, 3]
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|         print("items is {!r}".format(items))
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|         a, b = items.pop()
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| 
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|     def test_some_error(self):
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|         if namenotexi:  # NOQA
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|             pass
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| 
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|     def func1(self):
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|         assert 41 == 42
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| 
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| 
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| # thanks to Matthew Scott for this test
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| def test_dynamic_compile_shows_nicely():
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|     import importlib.util
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|     import sys
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| 
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|     src = "def foo():\n assert 1 == 0\n"
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|     name = "abc-123"
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|     spec = importlib.util.spec_from_loader(name, loader=None)
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|     module = importlib.util.module_from_spec(spec)
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|     code = _pytest._code.compile(src, name, "exec")
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|     exec(code, module.__dict__)
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|     sys.modules[name] = module
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|     module.foo()
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| 
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| 
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| class TestMoreErrors:
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|     def test_complex_error(self):
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|         def f():
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|             return 44
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| 
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|         def g():
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|             return 43
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| 
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|         somefunc(f(), g())
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| 
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|     def test_z1_unpack_error(self):
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|         items = []
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|         a, b = items
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| 
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|     def test_z2_type_error(self):
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|         items = 3
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|         a, b = items
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| 
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|     def test_startswith(self):
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|         s = "123"
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|         g = "456"
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|         assert s.startswith(g)
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| 
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|     def test_startswith_nested(self):
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|         def f():
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|             return "123"
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| 
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|         def g():
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|             return "456"
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| 
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|         assert f().startswith(g())
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| 
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|     def test_global_func(self):
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|         assert isinstance(globf(42), float)
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| 
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|     def test_instance(self):
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|         self.x = 6 * 7
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|         assert self.x != 42
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| 
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|     def test_compare(self):
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|         assert globf(10) < 5
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| 
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|     def test_try_finally(self):
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|         x = 1
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|         try:
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|             assert x == 0
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|         finally:
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|             x = 0
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| 
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| 
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| class TestCustomAssertMsg:
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|     def test_single_line(self):
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|         class A:
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|             a = 1
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| 
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|         b = 2
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|         assert A.a == b, "A.a appears not to be b"
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| 
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|     def test_multiline(self):
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|         class A:
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|             a = 1
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| 
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|         b = 2
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|         assert (
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|             A.a == b
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|         ), "A.a appears not to be b\nor does not appear to be b\none of those"
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| 
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|     def test_custom_repr(self):
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|         class JSON:
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|             a = 1
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| 
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|             def __repr__(self):
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|                 return "This is JSON\n{\n  'foo': 'bar'\n}"
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| 
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|         a = JSON()
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|         b = 2
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|         assert a.a == b, a
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