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Removed unittest mock

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This commit is contained in:
Andrew Murray 2020-03-28 22:10:58 +11:00
parent 7b628a5ef6
commit a2ab6ac649
1 changed files with 35 additions and 9 deletions
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44
Tests/test_imagefont.py
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@ -3,8 +3,9 @@ import distutils.version
import os
import re
import shutil
import sys
from contextlib import contextmanager
from io import BytesIO
from unittest import mock
import pytest
from PIL import Image, ImageDraw, ImageFont
@ -25,6 +26,23 @@ FONT_SIZE = 20
TEST_TEXT = "hey you\nyou are awesome\nthis looks awkward"
@contextmanager
def mock_patch(target, property, new_value):
created = not hasattr(target, property)
if not created:
original_value = getattr(target, property)
setattr(target, property, new_value)
try:
yield
finally:
if created:
delattr(target, property)
else:
setattr(target, property, original_value)
@skip_unless_feature("freetype2")
class TestImageFont(PillowTestCase):
LAYOUT_ENGINE = ImageFont.LAYOUT_BASIC
@ -460,7 +478,7 @@ class TestImageFont(PillowTestCase):
def _test_fake_loading_font(self, path_to_fake, fontname):
# Make a copy of FreeTypeFont so we can patch the original
free_type_font = copy.deepcopy(ImageFont.FreeTypeFont)
with mock.patch.object(ImageFont, "_FreeTypeFont", free_type_font, create=True):
with mock_patch(ImageFont, "_FreeTypeFont", free_type_font):
def loadable_font(filepath, size, index, encoding, *args, **kwargs):
if filepath == path_to_fake:
@ -471,7 +489,7 @@ class TestImageFont(PillowTestCase):
filepath, size, index, encoding, *args, **kwargs
)
with mock.patch.object(ImageFont, "FreeTypeFont", loadable_font):
with mock_patch(ImageFont, "FreeTypeFont", loadable_font):
font = ImageFont.truetype(fontname)
# Make sure it's loaded
name = font.getname()
@ -482,9 +500,12 @@ class TestImageFont(PillowTestCase):
# A lot of mocking here - this is more for hitting code and
# catching syntax like errors
font_directory = "/usr/local/share/fonts"
with mock.patch("sys.platform", "linux"):
patched_env = {"XDG_DATA_DIRS": "/usr/share/:/usr/local/share/"}
with mock.patch.dict(os.environ, patched_env):
with mock_patch(sys, "platform", "linux"):
created = "XDG_DATA_DIRS" not in os.environ
if not created:
original_value = os.environ["XDG_DATA_DIRS"]
os.environ["XDG_DATA_DIRS"] = "/usr/share/:/usr/local/share/"
try:
def fake_walker(path):
if path == font_directory:
@ -502,7 +523,7 @@ class TestImageFont(PillowTestCase):
]
return [(path, [], ["some_random_font.ttf"])]
with mock.patch("os.walk", fake_walker):
with mock_patch(os, "walk", fake_walker):
# Test that the font loads both with and without the
# extension
self._test_fake_loading_font(
@ -521,13 +542,18 @@ class TestImageFont(PillowTestCase):
self._test_fake_loading_font(
font_directory + "/Duplicate.ttf", "Duplicate"
)
finally:
if created:
del os.environ["XDG_DATA_DIRS"]
else:
os.environ["XDG_DATA_DIRS"] = original_value
@pytest.mark.skipif(is_win32(), reason="requires Unix or macOS")
def test_find_macos_font(self):
# Like the linux test, more cover hitting code rather than testing
# correctness.
font_directory = "/System/Library/Fonts"
with mock.patch("sys.platform", "darwin"):
with mock_patch(sys, "platform", "darwin"):
def fake_walker(path):
if path == font_directory:
@ -545,7 +571,7 @@ class TestImageFont(PillowTestCase):
]
return [(path, [], ["some_random_font.ttf"])]
with mock.patch("os.walk", fake_walker):
with mock_patch(os, "walk", fake_walker):
self._test_fake_loading_font(font_directory + "/Arial.ttf", "Arial.ttf")
self._test_fake_loading_font(font_directory + "/Arial.ttf", "Arial")
self._test_fake_loading_font(font_directory + "/Single.otf", "Single")