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"""
test_pagesizes
~~~~~~~~~~~~~~~
Test functions in pagesizes.py
"""
# stdlib
from math import isclose
from typing import List, Tuple, Type
# 3rd party
import pytest
# this package
from domdf_python_tools.pagesizes import (
A0,
A1,
A2,
A3,
A4,
A5,
A6,
BaseSize,
PageSize,
Size_cm,
Size_inch,
Size_mm,
Size_pica,
Size_um,
Unit,
cm,
convert_from,
inch,
mm,
parse_measurement,
pc,
pt,
um
)
from domdf_python_tools.pagesizes.utils import _measurement_re
@pytest.mark.parametrize(
"obj, expects",
[
(
Size_inch(12, 34),
"Size_inch(width=<Unit '12.000 inch': 864.000pt>, height=<Unit '34.000 inch': 2448.000pt>)",
),
(
Size_cm(12, 34),
"Size_cm(width=<Unit '12.000 cm': 340.157pt>, height=<Unit '34.000 cm': 963.780pt>)",
),
(
Size_mm(12, 34),
"Size_mm(width=<Unit '12.000 mm': 34.016pt>, height=<Unit '34.000 mm': 96.378pt>)",
),
(
Size_um(12, 34),
"Size_um(width=<Unit '12.000 µm': 0.034pt>, height=<Unit '34.000 µm': 0.096pt>)",
),
(
Size_pica(12, 34),
"Size_pica(width=<Unit '12.000 pc': 144.000pt>, height=<Unit '34.000 pc': 408.000pt>)",
),
],
)
def test_repr(obj: Unit, expects: str):
assert repr(obj) == expects
@pytest.mark.parametrize(
"obj, expects",
[
(Size_mm(12, 34), "Size_mm(width=12, height=34)"),
(Size_cm(12, 34), "Size_cm(width=12, height=34)"),
(Size_um(12, 34), "Size_um(width=12, height=34)"),
(Size_pica(12, 34), "Size_pica(width=12, height=34)"),
],
)
def test_str(obj: Unit, expects: str):
assert str(obj) == expects
@pytest.mark.parametrize("size", [A6, A5, A4, A3, A2, A1, A0])
def test_orientation(size: BaseSize):
assert size.is_portrait()
assert size.portrait().is_portrait()
assert size.landscape().portrait().is_portrait()
assert size.landscape().portrait() == size
assert size.landscape().is_landscape()
def test_base_size():
assert BaseSize(10, 5) == (10, 5)
assert BaseSize(10, 5).landscape() == (10, 5)
assert BaseSize(10, 5).portrait() == (5, 10)
def test_is_square():
assert BaseSize(10, 10).is_square()
assert BaseSize(5, 5).is_square()
assert Size_mm(5, 5).is_square()
assert Size_um(5, 5).is_square()
assert Size_inch(5, 5).is_square()
@pytest.mark.parametrize("unit", [pt, inch, cm, mm, um, pc])
def test_convert_size(unit: Unit):
size = PageSize(12, 34, unit)
unit_str = unit.name
if unit_str == "µm":
unit_str = "um"
assert isclose(getattr(size, unit_str)[0], 12, abs_tol=1e-8)
assert isclose(getattr(size, unit_str)[1], 34, abs_tol=1e-8)
#
# @pytest.mark.parametrize(
# "size, expected",
# [
# (sizes.A0, (841, 1189)),
# (sizes.A1, (594, 841)),
# (sizes.A2, (420, 594)),
# (sizes.A3, (297, 420)),
# (sizes.A4, (210, 297)),
# (sizes.A5, (148, 210)),
# (sizes.A6, (105, 148)),
# (sizes.A7, (74, 105)),
# (sizes.A8, (52, 74)),
# (sizes.A9, (37, 52)),
# (sizes.A10, (26, 37)),
# ]
# )
# def test_sizes(size, expected):
# assert size.mm == expected
#
#
# # TODO: tests for Unit
#
@pytest.mark.parametrize(
"value, unit, expects",
[
(1, pt, 1),
(1, inch, 72),
(1, cm, 28.3464566929),
(1, mm, 2.83464566929),
(1, um, 0.00283464566929),
(1, pc, 12),
(5, pt, 1 * 5),
(5, inch, 72 * 5),
(5, cm, 28.3464566929 * 5),
(5, mm, 2.83464566929 * 5),
(5, um, 0.00283464566929 * 5),
(5, pc, 12 * 5),
([1], pt, (1, )),
([1], inch, (72, )),
([1], cm, (28.3464566929, )),
([1], mm, (2.83464566929, )),
([1], um, (0.00283464566929, )),
([1], pc, (12, )),
([5], pt, (1 * 5, )),
([5], inch, (72 * 5, )),
([5], cm, (28.3464566929 * 5, )),
([5], mm, (2.83464566929 * 5, )),
([5], um, (0.00283464566929 * 5, )),
([5], pc, (12 * 5, )),
([1, 5], pt, (1, 1 * 5)),
([1, 5], inch, (72, 72 * 5)),
([1, 5], cm, (28.3464566929, 28.3464566929 * 5)),
([1, 5], mm, (2.83464566929, 2.83464566929 * 5)),
([1, 5], um, (0.00283464566929, 0.00283464566929 * 5)),
([1, 5], pc, (12, 12 * 5)),
pytest.param(2, 5, 10, id="not isinstance(from_, Unit)"),
],
)
def test_convert_from(value: List[int], unit: Unit, expects: Tuple[float, ...]):
assert convert_from(value, unit) == expects
@pytest.mark.parametrize(
"size, expected, class_",
[
((12, 34), PageSize(12, 34), PageSize),
((12, 34), Size_mm(12, 34), Size_mm),
],
)
def test_from_size(size: Tuple[int, int], expected: Unit, class_: Type[BaseSize]):
print(class_.from_size(size))
assert class_.from_size(size) == expected
@pytest.mark.parametrize(
"string, expects",
[
("12.34mm", [("12.34", "mm")]),
("12.34 mm", [("12.34", "mm")]),
(".34 mm", [(".34", "mm")]),
("12.34in", [("12.34", "in")]),
("12.34 in", [("12.34", "in")]),
(".34 in", [(".34", "in")]),
('12.34"', [("12.34", '"')]),
('12.34 "', [("12.34", '"')]),
('.34 "', [(".34", '"')]),
('12.34mm .34"', [("12.34", "mm"), (".34", '"')]),
("12", [("12", '')]),
('', []),
("10μm", [("10", "μm")]),
],
)
def test_measurement_re(string: str, expects: Unit):
assert _measurement_re.findall(string) == expects
def test_parse_measurement_errors():
with pytest.raises(ValueError, match="Too many measurements"):
parse_measurement('12.34mm .34"')
with pytest.raises(ValueError, match="Unable to parse measurement"):
parse_measurement('')
with pytest.raises(ValueError, match="Unable to parse measurement"):
parse_measurement("bananas")
with pytest.raises(ValueError, match="Unable to parse measurement"):
parse_measurement('')
with pytest.raises(ValueError, match="Unable to parse measurement"):
parse_measurement("12")
with pytest.raises(ValueError, match="Unable to parse measurement"):
parse_measurement("mm")
with pytest.raises(ValueError, match="Unknown unit"):
parse_measurement("12'")
@pytest.mark.parametrize(
"string, expects",
[
("12mm", mm(12)),
("12 mm", mm(12)),
("12.34 mm", mm(12.34)),
("12 um", um(12)),
("12um", um(12)),
("12 μm", um(12)),
("12μm", um(12)),
("12 µm", um(12)),
("12µm", um(12)),
("12 in", inch(12)),
("12 inch", inch(12)),
('12"', inch(12)),
("12 cm", cm(12)),
("12cm", cm(12)),
("12 pc", pc(12)),
("12pc", pc(12)),
("12 pica", pc(12)),
("12pica", pc(12)),
("12 pt", pt(12)),
("12pt", pt(12)),
("12mm", 12 * mm),
("12 mm", 12 * mm),
("12.34 mm", 12.34 * mm),
("5inch", 5 * inch),
("5in", 5 * inch),
],
)
def test_parse_measurement(string: str, expects: Unit):
assert parse_measurement(string) == expects
|
