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Made default image comparison more strict.

This commit is contained in:
Luke Campagnola 2016-02-14 12:56:11 -08:00
parent ebe422969e
commit e0a5dae1d5
1 changed files with 7 additions and 4 deletions
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11
pyqtgraph/tests/image_testing.py
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@ -8,7 +8,7 @@ Procedure for unit-testing with images:
2. Run individual test scripts with the PYQTGRAPH_AUDIT environment variable set:
$ PYQTGRAPH_AUDIT=1 python pyqtgraph/graphicsItems/tests/test_PlotItem.py
$ 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
@ -59,7 +59,7 @@ from .. import GraphicsLayoutWidget
from .. import ImageItem, TextItem
# This tag marks the test-data commit that this version of vispy should
# This tag marks the test-data commit that this version of pyqtgraph should
# be tested against. When adding or changing test images, create
# and push a new tag and update this variable.
testDataTag = 'test-data-2'
@ -169,14 +169,17 @@ def assertImageApproved(image, standardFile, message=None, **kwargs):
raise
def assertImageMatch(im1, im2, minCorr=0.9, pxThreshold=50.,
pxCount=None, maxPxDiff=None, avgPxDiff=None,
def assertImageMatch(im1, im2, minCorr=None, pxThreshold=50.,
pxCount=0, maxPxDiff=None, avgPxDiff=None,
imgDiff=None):
"""Check that two images match.
Images that differ in shape or dtype will fail unconditionally.
Further tests for similarity depend on the arguments supplied.
By default, images may have no pixels that gave a value difference greater
than 50.
Parameters
----------
im1 : (h, w, 4) ndarray