def test_line_count_error_negative(self):
with pytest.raises(ValueError) as exc:
ld.line_count(self.lines, error=-10)
assert exc.value.message == "Error value must be positive " \
"(0 included)."
def test_line_count_good(self):
result = ld.line_count(self.lines)
assert len(result) == 3 and result[0] >= 0 and result[1] >= 0 and \
result[2] >= 0 and result[0] == result[1] + result[2]
def test_line_count_lines_none(self):
with pytest.raises(ValueError) as exc:
ld.line_count(None)
assert exc.value.message == "Lines can't be None."
def test_line_count_single_line(self):
line = self.lines[0][0]
result = ld.line_count(line)
assert result[0] == 1 and result[1] >= 0 and \
result[2] >= 0 and result[0] == result[1] + result[2]