Example #1
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def test_allow_multiple_delimiters():
    assert add_num("//[*][%]\n1*2%3") == 6
Example #2
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def test_single_number_converts_to_number():
    assert add_num("1") == 1
    assert add_num("5") == 5
Example #3
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def test_numbers_above_1000_are_ignored():
    assert add_num("2,1001,1") == 3
Example #4
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def test_any_length_delimiter():
    assert add_num("//[***]\n1***2***3") == 6
Example #5
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def test_empty_string_returns_0():
    assert add_num("") == 0
Example #6
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def test_negative_can_be_delimiter_without_exception():
    assert add_num("//-\n1-2") == 3
Example #7
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def test_negative_number_throws():
    with pytest.raises(Exception) as ex:
        add_num("1,2,-5")

    assert '-5' in str(ex.value)
Example #8
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def test_delimiter_prefix():
    assert add_num("//;\n1;2") == 3
Example #9
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def test_newlines_also_separates_input():
    assert add_num("1\n2,3") == 6
Example #10
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def test_arbitrary_numbers_get_added():
    assert add_num("1,2,3") == 6
Example #11
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def test_two_numbers_get_added():
    assert add_num("1,2") == 3