예제 #1
0
def test_value_predicates():
    """Test the use of value predicates."""

    field_names = ('foo', 'bar')
    validator = CSVValidator(field_names)
    foo_predicate = lambda v: math.pow(float(v), 2) < 64
    validator.add_value_predicate('foo', foo_predicate)
    bar_predicate = lambda v: math.sqrt(float(v)) > 8
    validator.add_value_predicate('bar', bar_predicate, 'X3', 'custom message')

    data = (
            ('foo', 'bar'),
            ('4', '81'), # valid
            ('9', '81'), # foo invalid
            ('4', '49') # bar invalid
            )

    problems = validator.validate(data)
    assert len(problems) == 2, len(problems)

    p0 = problems[0]
    assert p0['code'] == VALUE_PREDICATE_FALSE
    assert p0['message'] == MESSAGES[VALUE_PREDICATE_FALSE]
    assert p0['row'] == 3
    assert p0['column'] == 1
    assert p0['field'] == 'foo'
    assert p0['value'] == '9'
    assert p0['record'] == ('9', '81')

    p1 = problems[1]
    assert p1['code'] == 'X3'
    assert p1['message'] == 'custom message'
    assert p1['row'] == 4
    assert p1['column'] == 2
    assert p1['field'] == 'bar'
    assert p1['value'] == '49'
    assert p1['record'] == ('4', '49')
예제 #2
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def test_value_predicates():
    """Test the use of value predicates."""

    field_names = ('foo', 'bar')
    validator = CSVValidator(field_names)
    foo_predicate = lambda v: math.pow(float(v), 2) < 64
    validator.add_value_predicate('foo', foo_predicate)
    bar_predicate = lambda v: math.sqrt(float(v)) > 8
    validator.add_value_predicate('bar', bar_predicate, 'X3', 'custom message')

    data = (
        ('foo', 'bar'),
        ('4', '81'),  # valid
        ('9', '81'),  # foo invalid
        ('4', '49')  # bar invalid
    )

    problems = validator.validate(data)
    assert len(problems) == 2, len(problems)

    p0 = problems[0]
    assert p0['code'] == VALUE_PREDICATE_FALSE
    assert p0['message'] == MESSAGES[VALUE_PREDICATE_FALSE]
    assert p0['row'] == 3
    assert p0['column'] == 1
    assert p0['field'] == 'foo'
    assert p0['value'] == '9'
    assert p0['record'] == ('9', '81')

    p1 = problems[1]
    assert p1['code'] == 'X3'
    assert p1['message'] == 'custom message'
    assert p1['row'] == 4
    assert p1['column'] == 2
    assert p1['field'] == 'bar'
    assert p1['value'] == '49'
    assert p1['record'] == ('4', '49')
예제 #3
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def test_exception_handling():
    """Establish expectations for exception handling."""

    field_names = ('foo', 'bar')
    validator = CSVValidator(field_names)

    validator.add_value_check('foo', int)

    def buggy_value_check(v):
        """I am a buggy value check."""
        raise Exception('something went wrong')
    validator.add_value_check('bar', buggy_value_check)

    def buggy_value_predicate(v):
        """I am a buggy value predicate."""
        raise Exception('something went wrong')
    validator.add_value_predicate('bar', buggy_value_predicate)

    def buggy_record_check(r):
        """I am a buggy record check."""
        raise Exception('something went wrong')
    validator.add_record_check(buggy_record_check)

    def buggy_record_predicate(r):
        """I am a buggy record predicate."""
        raise Exception('something went wrong')
    validator.add_record_predicate(buggy_record_predicate)

    def buggy_assert(r):
        """I am a buggy assert."""
        raise Exception('something went wrong')
    validator.assert_something_buggy = buggy_assert

    def buggy_check(r):
        """I am a buggy check."""
        raise Exception('something went wrong')
    validator.check_something_buggy = buggy_check

    def buggy_each(r):
        """I am a buggy each."""
        raise Exception('something went wrong')
    validator.each_something_buggy = buggy_each

    def buggy_finally_assert():
        """I am a buggy finally assert."""
        raise Exception('something went wrong')
    validator.finally_assert_something_buggy = buggy_finally_assert

    def buggy_skip(record):
        """I am a buggy skip."""
        raise Exception('something went wrong')
    validator.add_skip(buggy_skip)

    data = (
            ('foo', 'bar'),
            ('ab', '56')
            )

    problems = validator.validate(data, report_unexpected_exceptions=False)
    n = len(problems)
    assert n == 1, n
    p = problems[0]
    assert p['row'] == 2

    problems = validator.validate(data) # by default, exceptions are reported as problems
    n = len(problems)
    assert n == 10, n

    unexpected_problems = [p for p in problems if p['code'] == UNEXPECTED_EXCEPTION]
    assert len(unexpected_problems) == 9
    for p in unexpected_problems:
        e = p['exception']
        assert e.args[0] == 'something went wrong', e.args
예제 #4
0
def test_exception_handling():
    """Establish expectations for exception handling."""

    field_names = ('foo', 'bar')
    validator = CSVValidator(field_names)

    validator.add_value_check('foo', int)

    def buggy_value_check(v):
        """I am a buggy value check."""
        raise Exception('something went wrong')

    validator.add_value_check('bar', buggy_value_check)

    def buggy_value_predicate(v):
        """I am a buggy value predicate."""
        raise Exception('something went wrong')

    validator.add_value_predicate('bar', buggy_value_predicate)

    def buggy_record_check(r):
        """I am a buggy record check."""
        raise Exception('something went wrong')

    validator.add_record_check(buggy_record_check)

    def buggy_record_predicate(r):
        """I am a buggy record predicate."""
        raise Exception('something went wrong')

    validator.add_record_predicate(buggy_record_predicate)

    def buggy_assert(r):
        """I am a buggy assert."""
        raise Exception('something went wrong')

    validator.assert_something_buggy = buggy_assert

    def buggy_check(r):
        """I am a buggy check."""
        raise Exception('something went wrong')

    validator.check_something_buggy = buggy_check

    def buggy_each(r):
        """I am a buggy each."""
        raise Exception('something went wrong')

    validator.each_something_buggy = buggy_each

    def buggy_finally_assert():
        """I am a buggy finally assert."""
        raise Exception('something went wrong')

    validator.finally_assert_something_buggy = buggy_finally_assert

    def buggy_skip(record):
        """I am a buggy skip."""
        raise Exception('something went wrong')

    validator.add_skip(buggy_skip)

    data = (('foo', 'bar'), ('ab', '56'))

    problems = validator.validate(data, report_unexpected_exceptions=False)
    n = len(problems)
    assert n == 1, n
    p = problems[0]
    assert p['row'] == 2

    problems = validator.validate(
        data)  # by default, exceptions are reported as problems
    n = len(problems)
    assert n == 10, n

    unexpected_problems = [
        p for p in problems if p['code'] == UNEXPECTED_EXCEPTION
    ]
    assert len(unexpected_problems) == 9
    for p in unexpected_problems:
        e = p['exception']
        assert e.args[0] == 'something went wrong', e.args