# 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 make_rpm."""

from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

import os
import unittest

from tools.build_defs.pkg import make_rpm


def WriteFile(filename, *contents):
  with open(filename, 'w') as text_file:
    text_file.write('\n'.join(contents))


def DirExists(dirname):
  return os.path.exists(dirname) and os.path.isdir(dirname)


def FileExists(filename):
  return os.path.exists(filename) and not os.path.isdir(filename)


def FileContents(filename):
  with open(filename, 'r') as text_file:
    return [s.strip() for s in text_file.readlines()]


class MakeRpmTest(unittest.TestCase):

  def testFindOutputFile(self):
    log = """
    Lots of data.
    Wrote: /path/to/file/here.rpm
    More data present.
    """

    result = make_rpm.FindOutputFile(log)
    self.assertEquals('/path/to/file/here.rpm', result)

  def testFindOutputFile_missing(self):
    log = """
    Lots of data.
    More data present.
    """

    result = make_rpm.FindOutputFile(log)
    self.assertEquals(None, result)

  def testCopyAndRewrite(self):
    with make_rpm.Tempdir():
      WriteFile('test.txt', 'Some: data1', 'Other: data2', 'More: data3')
      make_rpm.CopyAndRewrite('test.txt', 'out.txt', {
          'Some:': 'data1a',
          'More:': 'data3a',
      })

      self.assertTrue(FileExists('out.txt'))
      self.assertItemsEqual(['Some: data1a', 'Other: data2', 'More: data3a'],
                            FileContents('out.txt'))

  def testSetupWorkdir(self):
    builder = make_rpm.RpmBuilder('test', '1.0', 'x86')
    with make_rpm.Tempdir() as outer:
      # Create spec_file, test files.
      WriteFile('test.spec', 'Name: test', 'Version: 0.1', 'Summary: test data')
      WriteFile('file1.txt', 'Hello')
      WriteFile('file2.txt', 'Goodbye')
      builder.AddFiles(['file1.txt', 'file2.txt'])

      with make_rpm.Tempdir():
        # Call RpmBuilder.
        builder.SetupWorkdir('test.spec', outer)

        # Make sure files exist.
        self.assertTrue(DirExists('SOURCES'))
        self.assertTrue(DirExists('BUILD'))
        self.assertTrue(DirExists('TMP'))
        self.assertTrue(FileExists('test.spec'))
        self.assertItemsEqual(
            ['Name: test', 'Version: 1.0', 'Summary: test data'],
            FileContents('test.spec'))
        self.assertTrue(FileExists('BUILD/file1.txt'))
        self.assertItemsEqual(['Hello'], FileContents('BUILD/file1.txt'))
        self.assertTrue(FileExists('BUILD/file2.txt'))
        self.assertItemsEqual(['Goodbye'], FileContents('BUILD/file2.txt'))


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