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#!/usr/bin/python
"""
Copyright 2014 Google Inc.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
Test imagepairset.py
"""
# System-level imports
import unittest
# Local imports
import column
import imagepair
import imagepairset
BASE_URL_1 = 'http://base/url/1'
BASE_URL_2 = 'http://base/url/2'
DIFF_BASE_URL = 'http://diff/base/url'
IMAGEPAIR_1_AS_DICT = {
imagepair.KEY__EXTRA_COLUMN_VALUES: {
'builder': 'MyBuilder',
'test': 'test1',
},
imagepair.KEY__IMAGE_A_URL: 'test1/1111.png',
imagepair.KEY__IMAGE_B_URL: 'test1/1111.png',
imagepair.KEY__IS_DIFFERENT: False,
}
IMAGEPAIR_2_AS_DICT = {
imagepair.KEY__DIFFERENCE_DATA: {
'maxDiffPerChannel': [1, 2, 3],
'numDifferingPixels': 111,
'percentDifferingPixels': 22.222,
'weightedDiffMeasure': 33.333,
},
imagepair.KEY__EXTRA_COLUMN_VALUES: {
'builder': 'MyBuilder',
'test': 'test2',
},
imagepair.KEY__IMAGE_A_URL: 'test2/2222.png',
imagepair.KEY__IMAGE_B_URL: 'test2/22223.png',
imagepair.KEY__IS_DIFFERENT: True,
}
IMAGEPAIR_3_AS_DICT = {
imagepair.KEY__DIFFERENCE_DATA: {
'maxDiffPerChannel': [4, 5, 6],
'numDifferingPixels': 111,
'percentDifferingPixels': 44.444,
'weightedDiffMeasure': 33.333,
},
imagepair.KEY__EXPECTATIONS_DATA: {
'bugs': [1001, 1002],
'ignoreFailure': True,
},
imagepair.KEY__EXTRA_COLUMN_VALUES: {
'builder': 'MyBuilder',
'test': 'test3',
},
imagepair.KEY__IMAGE_A_URL: 'test3/3333.png',
imagepair.KEY__IMAGE_B_URL: 'test3/33334.png',
imagepair.KEY__IS_DIFFERENT: True,
}
SET_A_DESCRIPTION = 'expectations'
SET_B_DESCRIPTION = 'actuals'
class ImagePairSetTest(unittest.TestCase):
def setUp(self):
self.maxDiff = None # do not truncate diffs when tests fail
def shortDescription(self):
"""Tells unittest framework to not print docstrings for test cases."""
return None
def test_success(self):
"""Assembles some ImagePairs into an ImagePairSet, and validates results.
"""
image_pairs = [
MockImagePair(base_url=BASE_URL_1, dict_to_return=IMAGEPAIR_1_AS_DICT),
MockImagePair(base_url=BASE_URL_1, dict_to_return=IMAGEPAIR_2_AS_DICT),
MockImagePair(base_url=BASE_URL_1, dict_to_return=IMAGEPAIR_3_AS_DICT),
]
expected_imageset_dict = {
'extraColumnHeaders': {
'builder': {
'headerText': 'builder',
'isFilterable': True,
'isSortable': True,
'valuesAndCounts': {
'MyBuilder': 3
},
},
'test': {
'headerText': 'which GM test',
'headerUrl': 'http://learn/about/gm/tests',
'isFilterable': True,
'isSortable': False,
},
},
'imagePairs': [
IMAGEPAIR_1_AS_DICT,
IMAGEPAIR_2_AS_DICT,
IMAGEPAIR_3_AS_DICT,
],
'imageSets': {
'imageA': {
'baseUrl': BASE_URL_1,
'description': SET_A_DESCRIPTION,
},
'imageB': {
'baseUrl': BASE_URL_1,
'description': SET_B_DESCRIPTION,
},
'diffs': {
'baseUrl': DIFF_BASE_URL + '/diffs',
'description': 'color difference per channel',
},
'whiteDiffs': {
'baseUrl': DIFF_BASE_URL + '/whitediffs',
'description': 'differing pixels in white',
},
},
}
image_pair_set = imagepairset.ImagePairSet(
descriptions=(SET_A_DESCRIPTION, SET_B_DESCRIPTION),
diff_base_url=DIFF_BASE_URL)
for image_pair in image_pairs:
image_pair_set.add_image_pair(image_pair)
# The 'builder' column header uses the default settings,
# but the 'test' column header has manual adjustments.
image_pair_set.set_column_header_factory(
'test',
column.ColumnHeaderFactory(
header_text='which GM test',
header_url='http://learn/about/gm/tests',
is_filterable=True,
is_sortable=False,
include_values_and_counts=False))
self.assertEqual(image_pair_set.as_dict(), expected_imageset_dict)
def test_mismatched_base_url(self):
"""Confirms that mismatched base_urls will cause an exception."""
image_pair_set = imagepairset.ImagePairSet(
diff_base_url=DIFF_BASE_URL)
image_pair_set.add_image_pair(
MockImagePair(base_url=BASE_URL_1, dict_to_return=IMAGEPAIR_1_AS_DICT))
image_pair_set.add_image_pair(
MockImagePair(base_url=BASE_URL_1, dict_to_return=IMAGEPAIR_2_AS_DICT))
with self.assertRaises(Exception):
image_pair_set.add_image_pair(
MockImagePair(base_url=BASE_URL_2,
dict_to_return=IMAGEPAIR_3_AS_DICT))
class MockImagePair(object):
"""Mock ImagePair object, which will return canned results."""
def __init__(self, base_url, dict_to_return):
"""
Args:
base_url: base_url attribute for this object
dict_to_return: dictionary to return from as_dict()
"""
self.base_url = base_url
self.extra_columns_dict = dict_to_return.get(
imagepair.KEY__EXTRA_COLUMN_VALUES, None)
self._dict_to_return = dict_to_return
def as_dict(self):
return self._dict_to_return
def main():
suite = unittest.TestLoader().loadTestsFromTestCase(ImagePairSetTest)
unittest.TextTestRunner(verbosity=2).run(suite)
if __name__ == '__main__':
main()
|
