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minor image testing edits

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This commit is contained in:
Luke Campagnola 2017-10-17 20:56:19 -07:00
parent 79eebe1c02
commit 9b9a72e6bf
1 changed files with 9 additions and 5 deletions
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14
pyqtgraph/tests/image_testing.py
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@ -10,11 +10,13 @@ Procedure for unit-testing with images:
$ PYQTGRAPH_AUDIT=1 python pyqtgraph/graphicsItems/tests/test_PlotCurveItem.py
Any failing tests will
display the test results, standard image, and the differences between the
two. If the test result is bad, then press (f)ail. If the test result is
good, then press (p)ass and the new image will be saved to the test-data
directory.
Any failing tests will display the test results, standard image, and the
differences between the two. If the test result is bad, then press (f)ail.
If the test result is good, then press (p)ass and the new image will be
saved to the test-data directory.
To check all test results regardless of whether the test failed, set the
environment variable PYQTGRAPH_AUDIT_ALL=1.
3. After adding or changing test images, create a new commit:
@ -162,6 +164,8 @@ def assertImageApproved(image, standardFile, message=None, **kwargs):
# If the test image does not match, then we go to audit if requested.
try:
if stdImage is None:
raise Exception("No reference image saved for this test.")
if image.shape[2] != stdImage.shape[2]:
raise Exception("Test result has different channel count than standard image"
"(%d vs %d)" % (image.shape[2], stdImage.shape[2]))