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path: root/tools/android/aar_resources_extractor_test.py
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# Copyright 2017 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Tests for aar_resources_extractor."""

import os
import shutil
import StringIO
import unittest
import zipfile

from tools.android import aar_resources_extractor


class AarResourcesExtractorTest(unittest.TestCase):
  """Unit tests for aar_resources_extractor.py."""

  def setUp(self):
    os.chdir(os.environ["TEST_TMPDIR"])

  def tearDown(self):
    shutil.rmtree("out_dir")

  def DirContents(self, d):
    return [path + "/" + f for (path, _, files) in os.walk(d)
            for f in files]

  def testNoResources(self):
    aar = zipfile.ZipFile(StringIO.StringIO(), "w")
    os.makedirs("out_dir")
    aar_resources_extractor.ExtractResources(aar, "out_dir")
    self.assertEqual(["out_dir/res/values/empty.xml"],
                     self.DirContents("out_dir"))
    with open("out_dir/res/values/empty.xml", "r") as empty_xml:
      self.assertEqual("<resources/>", empty_xml.read())

  def testContainsResources(self):
    aar = zipfile.ZipFile(StringIO.StringIO(), "w")
    aar.writestr("res/values/values.xml", "some values")
    aar.writestr("res/layouts/layout.xml", "some layout")
    os.makedirs("out_dir")
    aar_resources_extractor.ExtractResources(aar, "out_dir")
    expected_resources = ["out_dir/res/values/values.xml",
                          "out_dir/res/layouts/layout.xml"]
    self.assertItemsEqual(expected_resources, self.DirContents("out_dir"))
    with open("out_dir/res/values/values.xml", "r") as values_xml:
      self.assertEqual("some values", values_xml.read())
    with open("out_dir/res/layouts/layout.xml", "r") as layout_xml:
      self.assertEqual("some layout", layout_xml.read())


if __name__ == "__main__":
  unittest.main()