forked from Rust-related/RustPython
47e95486f0
- Move assert_raises to testutils - Add optional message argument, with reasonable default - Reverse order of expr and exception type for readability - Lambda argument no longer takes parameter - Convert applicable snippets to use assert_raises
74 lines
1.9 KiB
Python
74 lines
1.9 KiB
Python
from testutils import assert_raises
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def no_args():
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pass
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no_args()
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assert_raises(TypeError, lambda: no_args('one_arg'), '1 arg to no_args')
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assert_raises(TypeError, lambda: no_args(kw='should fail'), 'kwarg to no_args')
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def one_arg(arg):
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return arg
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one_arg('one_arg')
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assert "arg" == one_arg(arg="arg")
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assert_raises(TypeError, lambda: one_arg(), 'no args to one_arg')
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assert_raises(TypeError,
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lambda: one_arg(wrong_arg='wont work'),
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'incorrect kwarg to one_arg')
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assert_raises(TypeError,
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lambda: one_arg('one_arg', 'two_arg'),
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'two args to one_arg')
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assert_raises(TypeError,
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lambda: one_arg('one_arg', extra_arg='wont work'),
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'no TypeError raised: extra kwarg to one_arg')
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assert_raises(TypeError,
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lambda: one_arg('one_arg', arg='duplicate'),
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'same pos and kwarg to one_arg')
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def one_default_arg(arg="default"):
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return arg
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assert 'default' == one_default_arg()
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assert 'arg' == one_default_arg('arg')
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assert 'kwarg' == one_default_arg(arg='kwarg')
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assert_raises(TypeError,
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lambda: one_default_arg('one_arg', 'two_arg'),
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'two args to one_default_arg')
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def one_normal_one_default_arg(pos, arg="default"):
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return pos, arg
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assert ('arg', 'default') == one_normal_one_default_arg('arg')
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assert ('arg', 'arg2') == one_normal_one_default_arg('arg', 'arg2')
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assert_raises(TypeError,
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lambda: one_normal_one_default_arg(),
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'no args to one_normal_one_default_arg')
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assert_raises(TypeError,
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lambda: one_normal_one_default_arg('one', 'two', 'three'),
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'three args to one_normal_one_default_arg')
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def two_pos(a, b):
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return (a, b)
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assert ('a', 'b') == two_pos('a', 'b')
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assert ('a', 'b') == two_pos(b='b', a='a')
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def kwargs_are_variable(x=[]):
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x.append(1)
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return x
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assert [1] == kwargs_are_variable()
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assert [1, 1] == kwargs_are_variable()
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