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123 lines
4.4 KiB
Python
123 lines
4.4 KiB
Python
#!/usr/bin/python2.7
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#
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# Copyright 2019 Google Inc.
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# https://developers.google.com/blockly/
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Usage:
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# run_differ.py with no parameters runs all screenshot tests with blocks in rtl
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# and not collapsed.
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# --name <test_name> runs all tests that contain the given name. If not given,
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# runs all tests specified in test_cases.json.
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# --collapsed runs all tests with the blocks collapsed. If not given, blocks are
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# expanded.
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# --insertionMarker runs all tests with the blocks set as insertion markers. If
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# not given then will default to normal blocks.
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# --inlineInputs runs all tests with the blocks set to have inline inputs. If
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# not given then the blocks will be in their default state.
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# --externalInputs runs all tests with the with all blocks set to have external
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# inputs. If not given then the blocks will be in their default state.
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#
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import os, errno, platform, shutil, sys
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NAME_ARG = "--name"
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COLLAPSE_ARG = "--collapsed"
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RTL_ARG = "--rtl"
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INSERTION_ARG = "--insertionMarker"
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INLINE_INPUTS_ARG = "--inlineInputs"
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EXTERNAL_INPUTS_ARG = "--externalInputs"
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ARG_VALS = [COLLAPSE_ARG, RTL_ARG, INSERTION_ARG, INLINE_INPUTS_ARG, EXTERNAL_INPUTS_ARG]
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# Generates the screenshots according to the given parameters, diffs the
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# screenshots and then displays them.
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def main():
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cleanup()
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check_arguments()
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filter_text = find_argument_value(NAME_ARG)
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argument_string = create_arg_string()
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gen_screenshots(filter_text, argument_string)
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diff_screenshots(filter_text)
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display_screenshots()
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# Cleans up any files left over from running the script previously.
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def cleanup():
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remove_dir("tests/screenshot/outputs/new")
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remove_dir("tests/screenshot/outputs/diff")
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remove_file("tests/screenshot/outputs/test_output.js")
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remove_file("tests/screenshot/outputs/test_output.json")
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# If the --name is given find the name of the test case.
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def find_argument_value(argument_name):
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args = sys.argv
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for i in range(len(args)):
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if args[i] == argument_name:
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if i + 1 < len(args):
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return args[i+1]
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else:
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print ("Must supply a name after name arg")
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sys.exit()
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return ""
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# Prints an error and exits if the arguments given aren't allowed.
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def check_arguments():
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if (INLINE_INPUTS_ARG in sys.argv) and (EXTERNAL_INPUTS_ARG in sys.argv):
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print ("Can not have both --inlineInputs and --externalInputs")
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sys.exit()
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# Create a string with all arguments.
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def create_arg_string():
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arg_string = ""
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for arg in sys.argv:
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arg_string = arg_string + " " + arg
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return arg_string
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# Generates a set of old and new screenshots according to the given parameters.
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def gen_screenshots(filter_text, argument_string):
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os.system("node tests/screenshot/gen_screenshots.js " + argument_string)
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# Diffs the old and new screenshots that were created in gen_screenshots.
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def diff_screenshots(filter_text):
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if filter_text != "":
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os.system("./node_modules/.bin/mocha tests/screenshot/diff_screenshots.js --ui tdd --reporter ./tests/screenshot/diff-reporter.js" + " --fgrep " + filter_text)
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else:
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os.system("./node_modules/.bin/mocha tests/screenshot/diff_screenshots.js --ui tdd --reporter ./tests/screenshot/diff-reporter.js")
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# Displays the old screenshots, new screenshots, and the diff of them.
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def display_screenshots():
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if (platform.system() == "Linux"):
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os.system("xdg-open tests/screenshot/diff_viewer.html")
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elif (platform.system() == 'Darwin'):
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os.system("open tests/screenshot/diff_viewer.html")
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# Removes a file and catches the error if the file does not exist.
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def remove_file(filename):
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try:
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os.remove(filename)
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except (OSError) as e:
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if e.errno != errno.ENOENT:
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raise
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# Removes a directory and catches the error if the directory does not exist.
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def remove_dir(dir_name):
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try:
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shutil.rmtree(dir_name)
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except (OSError) as e:
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if e.errno != errno.ENOENT:
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raise
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if __name__ == "__main__":
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main()
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