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#!/usr/bin/env python3
# Copyright 2023 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import json
import minify_js
import os
import tempfile
import shutil
import unittest
_HERE_DIR = os.path.dirname(__file__)
class MinifyJsTest(unittest.TestCase):
def setUp(self):
self._out_dir = tempfile.mkdtemp(dir=_HERE_DIR)
def tearDown(self):
shutil.rmtree(self._out_dir)
def _read_file(self, path):
with open(path, 'r', encoding='utf-8') as file:
return file.read()
def _run_test(self, in_files, expected_files):
manifest_path = os.path.join(self._out_dir, "manifest.json")
args = [
"--in_folder",
os.path.join(_HERE_DIR, "tests", "minify_js"),
"--out_folder",
self._out_dir,
"--out_manifest",
manifest_path,
"--in_files",
*in_files,
]
minify_js.main(args)
manifest_data = json.loads(self._read_file(manifest_path))
self.assertEqual(manifest_data['base_dir'], self._out_dir)
for index, in_file in enumerate(in_files):
actual_contents = self._read_file(os.path.join(self._out_dir, in_file))
expected_contents = self._read_file(expected_files[index])
self.assertMultiLineEqual(expected_contents, actual_contents)
self.assertTrue(in_file in manifest_data['files'])
def testMinifySimpleFile(self):
self._run_test(["foo.js"], ["tests/minify_js/foo_expected.js"])
def testMinifyComplexFile(self):
self._run_test(["bar.js"], ["tests/minify_js/bar_expected.js"])
def testMinifyMultipleFiles(self):
self._run_test(
["foo.js", "bar.js"],
["tests/minify_js/foo_expected.js", "tests/minify_js/bar_expected.js"])
if __name__ == "__main__":
unittest.main()
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