def test_single_int_ranges(self):
"""The CLI should be able to process ranges that are given as single integers."""
test_args = ['2', '~', '4']
mock_expand_range.side_effect = lambda x: (2, 2) if x == '2' else (4, 4
)
switch(self.test_set, test_args)
mock_assert_msg(
mock_switch_file_ranges.assert_called_once_with, [(2, 2), (4, 4)],
"The CLI fails to perform a switch operation with two valid single-file ranges."
)
def test_valid_ranges(self):
"""The CLI should be able to perform a valid switch operation."""
test_args = ['2-3', '~', '4-5']
mock_expand_range.side_effect = lambda x: (2, 3) if x.startswith(
'2') else (4, 5)
switch(self.test_set, test_args)
mock_assert_msg(
mock_switch_file_ranges.assert_called_once_with, [(2, 3), (4, 5)],
"The CLI fails to perform a switch operation with two valid file ranges."
)
def test_kwarg_preserve_gaps(self):
"""The CLI should enable the user to choose preserve_gaps as a gap handling method."""
test_args = ['2-3', '~', '4-5', '-pg']
mock_expand_range.side_effect = lambda x: (2, 3) if x.startswith(
'2') else (4, 5)
switch(self.test_set, test_args)
mock_assert_msg(
mock_switch_file_ranges.assert_called_once_with,
[(2, 3),
(4, 5), KeywordArgTuple('preserve_gaps', True)],
"The CLI fails to provide access to the gap-handling option strip_gaps."
)
def test_too_few_arguments(self):
"""The CLI should recognize and raise an error when too few arguments are given."""
test_args = ['2-3', '~']
mock_expand_range.side_effect = lambda x: (2, 3)
with self.assertRaises(
ArgumentAmountError,
msg=
"The FileSet fails to recognize when too few arguments are given."
):
switch(self.test_set, test_args)
mock_assert_msg(
mock_switch_file_ranges.assert_not_called, [],
"The CLI attempts to perform a switch operation even though there was an invalid number of arguments."
)
def test_no_active_file_set(self):
"""The CLI should recognize when no file set is selected and raise an error."""
test_args = ['2-3', '~', '4-5']
mock_expand_range.side_effect = lambda x: (2, 3) if x.startswith(
'2') else (4, 5)
with self.assertRaises(
CLIRuntimeError,
msg=
"The CLI fails to recognize when no file set has been selected."
):
switch(None, test_args)
mock_assert_msg(
mock_switch_file_ranges.assert_not_called, [],
"The CLI attempts to perform a switch operation even though no file set is selected."
)
def test_invalid_kwarg_gap_handler(self):
"""The CLI should recognize and raise an error if an invalid gap-handling option was chosen."""
test_args = ['2-3', '~', '4-5', '-xx']
mock_expand_range.side_effect = lambda x: (2, 3) if x.startswith(
'2') else (4, 5)
with self.assertRaises(
InputProcessingError,
msg=
"The CLI fails to recognize and raise an error when an invalid gap-handling option was chosen"
):
switch(self.test_set, test_args)
mock_assert_msg(
mock_switch_file_ranges.assert_not_called, [],
"The CLI tries to eprform an operation even though an error was raised."
)
def test_invalid_range(self):
"""The CLI should be able to recognize an invalid range and raise and error."""
test_args = ['2', '~', 'not_a_range']
def mock_expand_range_side_effect(x):
if x == 2:
return (2, 2)
else:
raise RangeExpansionError("invalid range 'not a range'")
mock_expand_range.side_effect = mock_expand_range_side_effect
with self.assertRaises(
RangeExpansionError,
msg=
"The CLI fails to recognize an invalid range in the switch operation."
):
switch(self.test_set, test_args)
mock_assert_msg(
mock_switch_file_ranges.assert_not_called, [],
"The CLI attempts to perform a switch operation even though a range is invalid."
)