| #!/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 the render_pictures binary. |
| """ |
| |
| # System-level imports |
| import copy |
| import json |
| import os |
| import shutil |
| import tempfile |
| |
| # Must fix up PYTHONPATH before importing from within Skia |
| import fix_pythonpath # pylint: disable=W0611 |
| |
| # Imports from within Skia |
| import base_unittest |
| import find_run_binary |
| |
| # Maximum length of text diffs to show when tests fail |
| MAX_DIFF_LENGTH = 30000 |
| |
| EXPECTED_HEADER_CONTENTS = { |
| "type" : "ChecksummedImages", |
| "revision" : 1, |
| } |
| |
| # Manually verified: 640x400 red rectangle with black border |
| # Standard expectations will be set up in such a way that this image fails |
| # the comparison. |
| RED_WHOLEIMAGE = { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 11092453015575919668, |
| "comparisonResult" : "failed", |
| "filepath" : "red_skp.png", |
| } |
| |
| # Manually verified: 640x400 green rectangle with black border |
| # Standard expectations will be set up in such a way that this image passes |
| # the comparison. |
| GREEN_WHOLEIMAGE = { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 8891695120562235492, |
| "comparisonResult" : "succeeded", |
| "filepath" : "green_skp.png", |
| } |
| |
| # Manually verified these 6 images, all 256x256 tiles, |
| # consistent with a tiled version of the 640x400 red rect |
| # with black borders. |
| # Standard expectations will be set up in such a way that these images fail |
| # the comparison. |
| RED_TILES = [{ |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 5815827069051002745, |
| "comparisonResult" : "failed", |
| "filepath" : "red_skp-tile0.png", |
| },{ |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 9323613075234140270, |
| "comparisonResult" : "failed", |
| "filepath" : "red_skp-tile1.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 16670399404877552232, |
| "comparisonResult" : "failed", |
| "filepath" : "red_skp-tile2.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 2507897274083364964, |
| "comparisonResult" : "failed", |
| "filepath" : "red_skp-tile3.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 7325267995523877959, |
| "comparisonResult" : "failed", |
| "filepath" : "red_skp-tile4.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 2181381724594493116, |
| "comparisonResult" : "failed", |
| "filepath" : "red_skp-tile5.png", |
| }] |
| |
| # Manually verified these 6 images, all 256x256 tiles, |
| # consistent with a tiled version of the 640x400 green rect |
| # with black borders. |
| # Standard expectations will be set up in such a way that these images pass |
| # the comparison. |
| GREEN_TILES = [{ |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 12587324416545178013, |
| "comparisonResult" : "succeeded", |
| "filepath" : "green_skp-tile0.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 7624374914829746293, |
| "comparisonResult" : "succeeded", |
| "filepath" : "green_skp-tile1.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 5686489729535631913, |
| "comparisonResult" : "succeeded", |
| "filepath" : "green_skp-tile2.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 7980646035555096146, |
| "comparisonResult" : "succeeded", |
| "filepath" : "green_skp-tile3.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 17817086664365875131, |
| "comparisonResult" : "succeeded", |
| "filepath" : "green_skp-tile4.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 10673669813016809363, |
| "comparisonResult" : "succeeded", |
| "filepath" : "green_skp-tile5.png", |
| }] |
| |
| |
| def modified_dict(input_dict, modification_dict): |
| """Returns a dict, with some modifications applied to it. |
| |
| Args: |
| input_dict: a dictionary (which will be copied, not modified in place) |
| modification_dict: a set of key/value pairs to overwrite in the dict |
| """ |
| output_dict = input_dict.copy() |
| output_dict.update(modification_dict) |
| return output_dict |
| |
| |
| def modified_list_of_dicts(input_list, modification_dict): |
| """Returns a list of dicts, with some modifications applied to each dict. |
| |
| Args: |
| input_list: a list of dictionaries; these dicts will be copied, not |
| modified in place |
| modification_dict: a set of key/value pairs to overwrite in each dict |
| within input_list |
| """ |
| output_list = [] |
| for input_dict in input_list: |
| output_dict = modified_dict(input_dict, modification_dict) |
| output_list.append(output_dict) |
| return output_list |
| |
| |
| class RenderPicturesTest(base_unittest.TestCase): |
| |
| def setUp(self): |
| self.maxDiff = MAX_DIFF_LENGTH |
| self._expectations_dir = tempfile.mkdtemp() |
| self._input_skp_dir = tempfile.mkdtemp() |
| # All output of render_pictures binary will go into this directory. |
| self._output_dir = tempfile.mkdtemp() |
| |
| def tearDown(self): |
| shutil.rmtree(self._expectations_dir) |
| shutil.rmtree(self._input_skp_dir) |
| shutil.rmtree(self._output_dir) |
| |
| def test_tiled_whole_image(self): |
| """Run render_pictures with tiles and --writeWholeImage flag. |
| |
| TODO(epoger): This test generates undesired results! The JSON summary |
| includes both whole-image and tiled-images (as it should), but only |
| whole-images are written out to disk. See http://skbug.com/2463 |
| Once I fix that, I should add a similar test that exercises mismatchPath. |
| |
| TODO(epoger): I noticed that when this is run without --writePath being |
| specified, this test writes red_skp.png and green_skp.png to the current |
| directory. We should fix that... if --writePath is not specified, this |
| probably shouldn't write out red_skp.png and green_skp.png at all! |
| See http://skbug.com/2464 |
| """ |
| output_json_path = os.path.join(self._output_dir, 'actuals.json') |
| write_path_dir = self.create_empty_dir( |
| path=os.path.join(self._output_dir, 'writePath')) |
| self._generate_skps() |
| expectations_path = self._create_expectations() |
| self._run_render_pictures([ |
| '-r', self._input_skp_dir, |
| '--bbh', 'grid', '256', '256', |
| '--mode', 'tile', '256', '256', |
| '--readJsonSummaryPath', expectations_path, |
| '--writeJsonSummaryPath', output_json_path, |
| '--writePath', write_path_dir, |
| '--writeWholeImage']) |
| expected_summary_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "actual-results" : { |
| "red.skp": { |
| "tiled-images": RED_TILES, |
| "whole-image": RED_WHOLEIMAGE, |
| }, |
| "green.skp": { |
| "tiled-images": GREEN_TILES, |
| "whole-image": GREEN_WHOLEIMAGE, |
| } |
| } |
| } |
| self._assert_json_contents(output_json_path, expected_summary_dict) |
| self._assert_directory_contents( |
| write_path_dir, ['red_skp.png', 'green_skp.png']) |
| |
| def test_missing_tile_and_whole_image(self): |
| """test_tiled_whole_image, but missing expectations for some images. |
| """ |
| output_json_path = os.path.join(self._output_dir, 'actuals.json') |
| write_path_dir = self.create_empty_dir( |
| path=os.path.join(self._output_dir, 'writePath')) |
| self._generate_skps() |
| expectations_path = self._create_expectations(missing_some_images=True) |
| self._run_render_pictures([ |
| '-r', self._input_skp_dir, |
| '--bbh', 'grid', '256', '256', |
| '--mode', 'tile', '256', '256', |
| '--readJsonSummaryPath', expectations_path, |
| '--writeJsonSummaryPath', output_json_path, |
| '--writePath', write_path_dir, |
| '--writeWholeImage']) |
| modified_red_tiles = copy.deepcopy(RED_TILES) |
| modified_red_tiles[5]['comparisonResult'] = 'no-comparison' |
| expected_summary_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "actual-results" : { |
| "red.skp": { |
| "tiled-images": modified_red_tiles, |
| "whole-image": modified_dict( |
| RED_WHOLEIMAGE, {"comparisonResult" : "no-comparison"}), |
| }, |
| "green.skp": { |
| "tiled-images": GREEN_TILES, |
| "whole-image": GREEN_WHOLEIMAGE, |
| } |
| } |
| } |
| self._assert_json_contents(output_json_path, expected_summary_dict) |
| |
| def _test_untiled(self, expectations_path=None, expected_summary_dict=None, |
| additional_args=None): |
| """Base for multiple tests without tiles. |
| |
| Args: |
| expectations_path: path we should pass using --readJsonSummaryPath, or |
| None if we should create the default expectations file |
| expected_summary_dict: dict we should compare against the output actual |
| results summary, or None if we should use a default comparison dict |
| additional_args: array of command-line args to add when we run |
| render_pictures |
| """ |
| output_json_path = os.path.join(self._output_dir, 'actuals.json') |
| write_path_dir = self.create_empty_dir( |
| path=os.path.join(self._output_dir, 'writePath')) |
| self._generate_skps() |
| if expectations_path == None: |
| expectations_path = self._create_expectations() |
| args = [ |
| '-r', self._input_skp_dir, |
| '--readJsonSummaryPath', expectations_path, |
| '--writePath', write_path_dir, |
| '--writeJsonSummaryPath', output_json_path, |
| ] |
| if additional_args: |
| args.extend(additional_args) |
| self._run_render_pictures(args) |
| if expected_summary_dict == None: |
| expected_summary_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "actual-results" : { |
| "red.skp": { |
| "whole-image": RED_WHOLEIMAGE, |
| }, |
| "green.skp": { |
| "whole-image": GREEN_WHOLEIMAGE, |
| } |
| } |
| } |
| self._assert_json_contents(output_json_path, expected_summary_dict) |
| self._assert_directory_contents( |
| write_path_dir, ['red_skp.png', 'green_skp.png']) |
| |
| def test_untiled(self): |
| """Basic test without tiles.""" |
| self._test_untiled() |
| |
| def test_untiled_empty_expectations_file(self): |
| """Same as test_untiled, but with an empty expectations file.""" |
| expectations_path = os.path.join(self._expectations_dir, 'empty') |
| with open(expectations_path, 'w'): |
| pass |
| expected_summary_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "actual-results" : { |
| "red.skp": { |
| "whole-image": modified_dict( |
| RED_WHOLEIMAGE, {"comparisonResult" : "no-comparison"}), |
| }, |
| "green.skp": { |
| "whole-image": modified_dict( |
| GREEN_WHOLEIMAGE, {"comparisonResult" : "no-comparison"}), |
| } |
| } |
| } |
| self._test_untiled(expectations_path=expectations_path, |
| expected_summary_dict=expected_summary_dict) |
| |
| def test_untiled_writeChecksumBasedFilenames(self): |
| """Same as test_untiled, but with --writeChecksumBasedFilenames.""" |
| output_json_path = os.path.join(self._output_dir, 'actuals.json') |
| write_path_dir = self.create_empty_dir( |
| path=os.path.join(self._output_dir, 'writePath')) |
| self._generate_skps() |
| self._run_render_pictures(['-r', self._input_skp_dir, |
| '--writeChecksumBasedFilenames', |
| '--writePath', write_path_dir, |
| '--writeJsonSummaryPath', output_json_path]) |
| expected_summary_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "actual-results" : { |
| "red.skp": { |
| # Manually verified: 640x400 red rectangle with black border |
| "whole-image": { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 11092453015575919668, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "red_skp/bitmap-64bitMD5_11092453015575919668.png", |
| }, |
| }, |
| "green.skp": { |
| # Manually verified: 640x400 green rectangle with black border |
| "whole-image": { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 8891695120562235492, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "green_skp/bitmap-64bitMD5_8891695120562235492.png", |
| }, |
| } |
| } |
| } |
| self._assert_json_contents(output_json_path, expected_summary_dict) |
| self._assert_directory_contents(write_path_dir, ['red_skp', 'green_skp']) |
| self._assert_directory_contents( |
| os.path.join(write_path_dir, 'red_skp'), |
| ['bitmap-64bitMD5_11092453015575919668.png']) |
| self._assert_directory_contents( |
| os.path.join(write_path_dir, 'green_skp'), |
| ['bitmap-64bitMD5_8891695120562235492.png']) |
| |
| def test_untiled_validate(self): |
| """Same as test_untiled, but with --validate.""" |
| self._test_untiled(additional_args=['--validate']) |
| |
| def test_untiled_without_writePath(self): |
| """Same as test_untiled, but without --writePath.""" |
| output_json_path = os.path.join(self._output_dir, 'actuals.json') |
| self._generate_skps() |
| expectations_path = self._create_expectations() |
| self._run_render_pictures([ |
| '-r', self._input_skp_dir, |
| '--readJsonSummaryPath', expectations_path, |
| '--writeJsonSummaryPath', output_json_path]) |
| expected_summary_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "actual-results" : { |
| "red.skp": { |
| "whole-image": RED_WHOLEIMAGE, |
| }, |
| "green.skp": { |
| "whole-image": GREEN_WHOLEIMAGE, |
| } |
| } |
| } |
| self._assert_json_contents(output_json_path, expected_summary_dict) |
| |
| def test_tiled(self): |
| """Generate individual tiles.""" |
| output_json_path = os.path.join(self._output_dir, 'actuals.json') |
| write_path_dir = self.create_empty_dir( |
| path=os.path.join(self._output_dir, 'writePath')) |
| self._generate_skps() |
| expectations_path = self._create_expectations() |
| self._run_render_pictures([ |
| '-r', self._input_skp_dir, |
| '--bbh', 'grid', '256', '256', |
| '--mode', 'tile', '256', '256', |
| '--readJsonSummaryPath', expectations_path, |
| '--writePath', write_path_dir, |
| '--writeJsonSummaryPath', output_json_path]) |
| expected_summary_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "actual-results" : { |
| "red.skp": { |
| "tiled-images": RED_TILES, |
| }, |
| "green.skp": { |
| "tiled-images": GREEN_TILES, |
| } |
| } |
| } |
| self._assert_json_contents(output_json_path, expected_summary_dict) |
| self._assert_directory_contents( |
| write_path_dir, |
| ['red_skp-tile0.png', 'red_skp-tile1.png', 'red_skp-tile2.png', |
| 'red_skp-tile3.png', 'red_skp-tile4.png', 'red_skp-tile5.png', |
| 'green_skp-tile0.png', 'green_skp-tile1.png', 'green_skp-tile2.png', |
| 'green_skp-tile3.png', 'green_skp-tile4.png', 'green_skp-tile5.png', |
| ]) |
| |
| def test_tiled_mismatches(self): |
| """Same as test_tiled, but only write out mismatching images.""" |
| output_json_path = os.path.join(self._output_dir, 'actuals.json') |
| mismatch_path_dir = self.create_empty_dir( |
| path=os.path.join(self._output_dir, 'mismatchPath')) |
| self._generate_skps() |
| expectations_path = self._create_expectations() |
| self._run_render_pictures([ |
| '-r', self._input_skp_dir, |
| '--bbh', 'grid', '256', '256', |
| '--mode', 'tile', '256', '256', |
| '--readJsonSummaryPath', expectations_path, |
| '--mismatchPath', mismatch_path_dir, |
| '--writeJsonSummaryPath', output_json_path]) |
| expected_summary_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "actual-results" : { |
| "red.skp": { |
| "tiled-images": RED_TILES, |
| }, |
| "green.skp": { |
| "tiled-images": GREEN_TILES, |
| } |
| } |
| } |
| self._assert_json_contents(output_json_path, expected_summary_dict) |
| self._assert_directory_contents( |
| mismatch_path_dir, |
| ['red_skp-tile0.png', 'red_skp-tile1.png', 'red_skp-tile2.png', |
| 'red_skp-tile3.png', 'red_skp-tile4.png', 'red_skp-tile5.png', |
| ]) |
| |
| def test_tiled_writeChecksumBasedFilenames(self): |
| """Same as test_tiled, but with --writeChecksumBasedFilenames.""" |
| output_json_path = os.path.join(self._output_dir, 'actuals.json') |
| write_path_dir = self.create_empty_dir( |
| path=os.path.join(self._output_dir, 'writePath')) |
| self._generate_skps() |
| self._run_render_pictures(['-r', self._input_skp_dir, |
| '--bbh', 'grid', '256', '256', |
| '--mode', 'tile', '256', '256', |
| '--writeChecksumBasedFilenames', |
| '--writePath', write_path_dir, |
| '--writeJsonSummaryPath', output_json_path]) |
| expected_summary_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "actual-results" : { |
| "red.skp": { |
| # Manually verified these 6 images, all 256x256 tiles, |
| # consistent with a tiled version of the 640x400 red rect |
| # with black borders. |
| "tiled-images": [{ |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 5815827069051002745, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "red_skp/bitmap-64bitMD5_5815827069051002745.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 9323613075234140270, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "red_skp/bitmap-64bitMD5_9323613075234140270.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 16670399404877552232, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "red_skp/bitmap-64bitMD5_16670399404877552232.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 2507897274083364964, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "red_skp/bitmap-64bitMD5_2507897274083364964.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 7325267995523877959, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "red_skp/bitmap-64bitMD5_7325267995523877959.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 2181381724594493116, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "red_skp/bitmap-64bitMD5_2181381724594493116.png", |
| }], |
| }, |
| "green.skp": { |
| # Manually verified these 6 images, all 256x256 tiles, |
| # consistent with a tiled version of the 640x400 green rect |
| # with black borders. |
| "tiled-images": [{ |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 12587324416545178013, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "green_skp/bitmap-64bitMD5_12587324416545178013.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 7624374914829746293, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "green_skp/bitmap-64bitMD5_7624374914829746293.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 5686489729535631913, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "green_skp/bitmap-64bitMD5_5686489729535631913.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 7980646035555096146, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "green_skp/bitmap-64bitMD5_7980646035555096146.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 17817086664365875131, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "green_skp/bitmap-64bitMD5_17817086664365875131.png", |
| }, { |
| "checksumAlgorithm" : "bitmap-64bitMD5", |
| "checksumValue" : 10673669813016809363, |
| "comparisonResult" : "no-comparison", |
| "filepath" : |
| "green_skp/bitmap-64bitMD5_10673669813016809363.png", |
| }], |
| } |
| } |
| } |
| self._assert_json_contents(output_json_path, expected_summary_dict) |
| self._assert_directory_contents(write_path_dir, ['red_skp', 'green_skp']) |
| self._assert_directory_contents( |
| os.path.join(write_path_dir, 'red_skp'), |
| ['bitmap-64bitMD5_5815827069051002745.png', |
| 'bitmap-64bitMD5_9323613075234140270.png', |
| 'bitmap-64bitMD5_16670399404877552232.png', |
| 'bitmap-64bitMD5_2507897274083364964.png', |
| 'bitmap-64bitMD5_7325267995523877959.png', |
| 'bitmap-64bitMD5_2181381724594493116.png']) |
| self._assert_directory_contents( |
| os.path.join(write_path_dir, 'green_skp'), |
| ['bitmap-64bitMD5_12587324416545178013.png', |
| 'bitmap-64bitMD5_7624374914829746293.png', |
| 'bitmap-64bitMD5_5686489729535631913.png', |
| 'bitmap-64bitMD5_7980646035555096146.png', |
| 'bitmap-64bitMD5_17817086664365875131.png', |
| 'bitmap-64bitMD5_10673669813016809363.png']) |
| |
| def _run_render_pictures(self, args): |
| binary = find_run_binary.find_path_to_program('render_pictures') |
| return find_run_binary.run_command( |
| [binary, '--config', '8888'] + args) |
| |
| def _create_expectations(self, missing_some_images=False, |
| rel_path='expectations.json'): |
| """Creates expectations JSON file within self._expectations_dir . |
| |
| Args: |
| missing_some_images: (bool) whether to remove expectations for a subset |
| of the images |
| rel_path: (string) relative path within self._expectations_dir to write |
| the expectations into |
| |
| Returns: full path to the expectations file created. |
| """ |
| expectations_dict = { |
| "header" : EXPECTED_HEADER_CONTENTS, |
| "expected-results" : { |
| # red.skp: these should fail the comparison |
| "red.skp": { |
| "tiled-images": modified_list_of_dicts( |
| RED_TILES, {'checksumValue': 11111}), |
| "whole-image": modified_dict( |
| RED_WHOLEIMAGE, {'checksumValue': 22222}), |
| }, |
| # green.skp: these should pass the comparison |
| "green.skp": { |
| "tiled-images": GREEN_TILES, |
| "whole-image": GREEN_WHOLEIMAGE, |
| } |
| } |
| } |
| if missing_some_images: |
| del expectations_dict['expected-results']['red.skp']['whole-image'] |
| del expectations_dict['expected-results']['red.skp']['tiled-images'][-1] |
| path = os.path.join(self._expectations_dir, rel_path) |
| with open(path, 'w') as fh: |
| json.dump(expectations_dict, fh) |
| return path |
| |
| def _generate_skps(self): |
| """Runs the skpmaker binary to generate files in self._input_skp_dir.""" |
| self._run_skpmaker( |
| output_path=os.path.join(self._input_skp_dir, 'red.skp'), red=255) |
| self._run_skpmaker( |
| output_path=os.path.join(self._input_skp_dir, 'green.skp'), green=255) |
| |
| def _run_skpmaker(self, output_path, red=0, green=0, blue=0, |
| width=640, height=400): |
| """Runs the skpmaker binary to generate SKP with known characteristics. |
| |
| Args: |
| output_path: Filepath to write the SKP into. |
| red: Value of red color channel in image, 0-255. |
| green: Value of green color channel in image, 0-255. |
| blue: Value of blue color channel in image, 0-255. |
| width: Width of canvas to create. |
| height: Height of canvas to create. |
| """ |
| binary = find_run_binary.find_path_to_program('skpmaker') |
| return find_run_binary.run_command([ |
| binary, |
| '--red', str(red), |
| '--green', str(green), |
| '--blue', str(blue), |
| '--width', str(width), |
| '--height', str(height), |
| '--writePath', str(output_path), |
| ]) |
| |
| def _assert_directory_contents(self, dir_path, expected_filenames): |
| """Asserts that files found in a dir are identical to expected_filenames. |
| |
| Args: |
| dir_path: Path to a directory on local disk. |
| expected_filenames: Set containing the expected filenames within the dir. |
| |
| Raises: |
| AssertionError: contents of the directory are not identical to |
| expected_filenames. |
| """ |
| self.assertEqual(set(os.listdir(dir_path)), set(expected_filenames)) |
| |
| def _assert_json_contents(self, json_path, expected_dict): |
| """Asserts that contents of a JSON file are identical to expected_dict. |
| |
| Args: |
| json_path: Path to a JSON file. |
| expected_dict: Dictionary indicating the expected contents of the JSON |
| file. |
| |
| Raises: |
| AssertionError: contents of the JSON file are not identical to |
| expected_dict. |
| """ |
| prettyprinted_expected_dict = json.dumps(expected_dict, sort_keys=True, |
| indent=2) |
| with open(json_path, 'r') as fh: |
| prettyprinted_json_dict = json.dumps(json.load(fh), sort_keys=True, |
| indent=2) |
| self.assertMultiLineEqual(prettyprinted_expected_dict, |
| prettyprinted_json_dict) |
| |
| |
| def main(): |
| base_unittest.main(RenderPicturesTest) |
| |
| |
| if __name__ == '__main__': |
| main() |