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add helper.skip_unless_feature_version

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This commit is contained in:
nulano 2020-10-11 22:26:11 +01:00
parent d84185579e
commit b5fe0e7986
3 changed files with 27 additions and 23 deletions
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11
Tests/helper.py
View File

@ -11,6 +11,7 @@ import tempfile
from io import BytesIO
import pytest
from packaging.version import parse as parse_version
from PIL import Image, ImageMath, features
@ -162,6 +163,16 @@ def skip_unless_feature(feature):
return pytest.mark.skipif(not features.check(feature), reason=reason)
def skip_unless_feature_version(feature, version_required, reason=None):
if not features.check(feature):
return pytest.mark.skip(f"{feature} not available")
if reason is None:
reason = f"{feature} is older than {version_required}"
version_required = parse_version(version_required)
version_available = parse_version(features.version(feature))
return pytest.mark.skipif(version_available < version_required, reason=reason)
@pytest.mark.skipif(sys.platform.startswith("win32"), reason="Requires Unix or macOS")
class PillowLeakTestCase:
# requires unix/macOS

23
Tests/test_imagefont.py
View File

@ -18,6 +18,7 @@ from .helper import (
is_pypy,
is_win32,
skip_unless_feature,
skip_unless_feature_version,
)
FONT_PATH = "Tests/fonts/FreeMono.ttf"
@ -870,10 +871,9 @@ class TestImageFont:
with Image.open("Tests/images/standard_embedded.png") as expected:
assert_image_similar(im, expected, max(self.metrics["multiline"], 3))
@skip_unless_feature_version("freetype2", "2.5.0")
@pytest.mark.xfail(is_pypy(), reason="failing on PyPy with Raqm")
def test_cbdt(self):
if parse_version(features.version_module("freetype2")) < parse_version("2.5.0"):
pytest.skip("Freetype 2.5.0 or newer required")
try:
font = ImageFont.truetype(
"Tests/fonts/NotoColorEmoji.ttf",
@ -892,10 +892,9 @@ class TestImageFont:
assert str(e) in ("unimplemented feature", "unknown file format")
pytest.skip("freetype compiled without libpng or unsupported")
@skip_unless_feature_version("freetype2", "2.5.0")
@pytest.mark.xfail(is_pypy(), reason="failing on PyPy with Raqm")
def test_cbdt_mask(self):
if parse_version(features.version_module("freetype2")) < parse_version("2.5.0"):
pytest.skip("Freetype 2.5.0 or newer required")
try:
font = ImageFont.truetype(
"Tests/fonts/NotoColorEmoji.ttf",
@ -914,12 +913,8 @@ class TestImageFont:
assert str(e) in ("unimplemented feature", "unknown file format")
pytest.skip("freetype compiled without libpng or unsupported")
@skip_unless_feature_version("freetype2", "2.10.0")
def test_colr(self):
if parse_version(features.version_module("freetype2")) < parse_version(
"2.10.0"
):
pytest.skip("Freetype 2.10.0 or newer required")
font = ImageFont.truetype(
"Tests/fonts/BungeeColor-Regular_colr_Windows.ttf",
size=64,
@ -934,12 +929,8 @@ class TestImageFont:
with Image.open("Tests/images/colr_bungee.png") as expected:
assert_image_similar(im, expected, 21)
@skip_unless_feature_version("freetype2", "2.10.0")
def test_colr_mask(self):
if parse_version(features.version_module("freetype2")) < parse_version(
"2.10.0"
):
pytest.skip("Freetype 2.10.0 or newer required")
font = ImageFont.truetype(
"Tests/fonts/BungeeColor-Regular_colr_Windows.ttf",
size=64,
@ -960,12 +951,10 @@ class TestImageFont_RaqmLayout(TestImageFont):
LAYOUT_ENGINE = ImageFont.LAYOUT_RAQM
@skip_unless_feature_version("freetype2", "2.4", "Different metrics")
def test_render_mono_size():
# issue 4177
if parse_version(ImageFont.core.freetype2_version) < parse_version("2.4"):
pytest.skip("Different metrics")
im = Image.new("P", (100, 30), "white")
draw = ImageDraw.Draw(im)
ttf = ImageFont.truetype(

16
Tests/test_imagefontctl.py
View File

@ -3,7 +3,11 @@ from packaging.version import parse as parse_version
from PIL import Image, ImageDraw, ImageFont, features
from .helper import assert_image_similar, skip_unless_feature
from .helper import (
assert_image_similar,
skip_unless_feature,
skip_unless_feature_version,
)
FONT_SIZE = 20
FONT_PATH = "Tests/fonts/DejaVuSans.ttf"
@ -209,13 +213,13 @@ def test_language():
assert_image_similar(im, target_img, 0.5)
# FreeType 2.5.1 README: Miscellaneous Changes:
# Improved computation of emulated vertical metrics for TrueType fonts.
@skip_unless_feature_version(
"freetype2", "2.5.1", "FreeType <2.5.1 has incompatible ttb metrics"
)
@pytest.mark.parametrize("anchor", ("lt", "mm", "rb", "sm"))
def test_anchor_ttb(anchor):
if parse_version(features.version_module("freetype2")) < parse_version("2.5.1"):
# FreeType 2.5.1 README: Miscellaneous Changes:
# Improved computation of emulated vertical metrics for TrueType fonts.
pytest.skip("FreeType <2.5.1 has incompatible ttb metrics")
text = "f"
path = f"Tests/images/test_anchor_ttb_{text}_{anchor}.png"
f = ImageFont.truetype("Tests/fonts/NotoSans-Regular.ttf", 120)