def test_alignment_bad(self) -> None:
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--alignment"])
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--alignment", "1"])
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--alignment", "1", "nope"])
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--alignment", "1", "2"])
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--alignment", "1", "-1"])
def test_empty(self) -> None:
args = parse_arguments([""])
assert args.page_width == 210
assert args.page_height == 297
assert args.margin == 5
assert args.pictures == []
assert args.output_filename == "out.pdf"
def test_alignment(self) -> None:
args = parse_arguments([
"",
"--picture-dimensions",
"1",
"2",
TEST_JPEG_PORTRAIT,
"--alignment",
"0.5",
"0.5",
TEST_JPEG_PORTRAIT,
"--alignment",
"0.0",
"0.0",
TEST_JPEG_PORTRAIT,
])
assert len(args.pictures) == 3
assert args.pictures[0].x_offset or args.pictures[0].y_offset
assert args.pictures[0].x_offset == args.pictures[1].x_offset
assert args.pictures[0].y_offset == args.pictures[1].y_offset
assert args.pictures[2].x_offset == 0
assert args.pictures[2].y_offset == 0
def test_page_dimensions_bad_args(self) -> None:
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--page-dimensions"])
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--page-dimensions", "100"])
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--page-dimensions", "100", "nope"])
def test_picture_dimensions(self) -> None:
args = parse_arguments([
"",
"--picture-dimensions",
"10",
"20",
TEST_JPEG_SQUARE,
"--picture-dimensions",
"30",
"40",
TEST_JPEG_SQUARE,
])
assert len(args.pictures) == 2
assert args.pictures[0].width == 10
assert args.pictures[0].height == 20
assert args.pictures[1].width == 30
assert args.pictures[1].height == 40
def test_rotate_for_best_fit(self) -> None:
args = parse_arguments([
"",
"--scale",
"--picture-dimensions",
"60",
"90",
TEST_JPEG_LANDSCAPE,
"--rotate-for-best-fit",
TEST_JPEG_LANDSCAPE,
"--no-rotate-for-best-fit",
TEST_JPEG_LANDSCAPE,
])
assert len(args.pictures) == 3
assert args.pictures[0].rotate_image
assert args.pictures[1].rotate_image
assert not args.pictures[2].rotate_image
def test_dpi(self) -> None:
args = parse_arguments([
"",
"--picture-dimensions",
"100",
"100",
"--max-dpi",
"25.4", # 1 dot per mm
TEST_JPEG_SQUARE,
"--max-dpi",
"0", # unlimited dpi
TEST_JPEG_SQUARE,
])
assert len(args.pictures) == 2
assert args.pictures[0].image_width == 100
assert args.pictures[0].image_height == 100
assert args.pictures[1].image_width == 256
assert args.pictures[1].image_height == 256
def test_scale_or_crop(self) -> None:
args = parse_arguments([
"",
"--picture-dimensions",
"10",
"20",
TEST_JPEG_SQUARE,
"--scale",
TEST_JPEG_SQUARE,
"--crop",
TEST_JPEG_SQUARE,
])
assert len(args.pictures) == 3
assert args.pictures[0].width == 10
assert args.pictures[0].height == 20
assert args.pictures[1].width == 10
assert args.pictures[1].height == 10
assert args.pictures[2].width == 10
assert args.pictures[2].height == 20
def test_page_dimensions(self) -> None:
args = parse_arguments(["", "--page-dimensions", "100", "200"])
assert args.page_width == 100
assert args.page_height == 200
def test_unknown_argument(self) -> None:
with pytest.raises(ArgumentParserError):
parse_arguments(["", "-?"])
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--foo"])
def test_dpi_bad(self) -> None:
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--max-dpi"])
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--max-dpi", "nope"])
def test_margin_after_picture(self) -> None:
with pytest.raises(ArgumentParserError):
parse_arguments(["", TEST_JPEG_SQUARE, "--margin", "100"])
def test_output_missing(self) -> None:
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--output"])
def test_output(self) -> None:
args = parse_arguments(["", "--output", "foo.pdf"])
assert args.output_filename == "foo.pdf"
def test_page_dimensions_after_picture(self) -> None:
with pytest.raises(ArgumentParserError):
parse_arguments(
["", TEST_JPEG_SQUARE, "--page-dimensions", "100", "200"])
def test_margin(self) -> None:
args = parse_arguments(["", "--margin", "12"])
assert args.margin == 12
def test_margin_bad_args(self) -> None:
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--margin"])
with pytest.raises(ArgumentParserError):
parse_arguments(["", "--margin", "nope"])