How to use test_does_not_contain_duplicates_failure method in assertpy

Best Python code snippet using assertpy_python

test_list.py

Source:test_list.py

...218    assert_that('fobar').does_not_contain_duplicates()219    fred = Person('fred')220    joe = Person('joe')221    assert_that([fred, joe]).does_not_contain_duplicates()222def test_does_not_contain_duplicates_failure():223    try:224        assert_that([1, 2, 3, 3]).does_not_contain_duplicates()225        fail('should have raised error')226    except AssertionError as ex:227        assert_that(str(ex)).is_equal_to('Expected <[1, 2, 3, 3]> to not contain duplicates, but did.')228def test_does_not_contain_duplicates_bad_val_failure():229    try:230        assert_that(123).does_not_contain_duplicates()231        fail('should have raised error')232    except TypeError as ex:233        assert_that(str(ex)).is_equal_to('val is not iterable')234def test_is_empty():235    assert_that([]).is_empty()236    assert_that(()).is_empty()...

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