# -*- coding: utf-8 -*-
# Copyright 2019 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Image service tests."""

from __future__ import print_function

import mock
import os

from chromite.api.gen import image_pb2
from chromite.api.controller import image as image_controller
from chromite.lib import constants
from chromite.lib import cros_test_lib
from chromite.lib import osutils
from chromite.service import image as image_service


class CreateTest(cros_test_lib.MockTestCase):
  """Create image tests."""

  def testArgumentValidation(self):
    """Test the argument validation."""
    input_proto = image_pb2.CreateImageRequest()
    output_proto = image_pb2.CreateImageResult()

    # No board should cause it to fail.
    with self.assertRaises(image_controller.InvalidArgumentError):
      image_controller.Create(input_proto, output_proto)

  def testImageTypeHandling(self):
    """Test the image type handling."""
    build_patch = self.PatchObject(image_service, 'Build', return_value=False)
    input_proto = image_pb2.CreateImageRequest()
    input_proto.build_target.name = 'board'
    output_proto = image_pb2.CreateImageResult()

    # Should default to the base image.
    image_controller.Create(input_proto, output_proto)
    build_patch.assert_called_with(images=[constants.IMAGE_TYPE_BASE],
                                   board=u'board', config=mock.ANY)

    # Should be using a value that's provided.
    input_proto.image_types.append(image_pb2.Image.DEV)
    image_controller.Create(input_proto, output_proto)
    build_patch.assert_called_with(images=[constants.IMAGE_TYPE_DEV],
                                   board=u'board', config=mock.ANY)

    input_proto.image_types.append(image_pb2.Image.BASE)
    input_proto.image_types.append(image_pb2.Image.TEST)
    expected_images = [constants.IMAGE_TYPE_BASE, constants.IMAGE_TYPE_DEV,
                       constants.IMAGE_TYPE_TEST]
    image_controller.Create(input_proto, output_proto)
    build_patch.assert_called_with(images=expected_images, board=u'board',
                                   config=mock.ANY)


class ImageTest(cros_test_lib.MockTempDirTestCase):
  """Image service tests."""

  def setUp(self):
    self.image_path = os.path.join(self.tempdir, 'image.bin')
    self.board = 'board'
    self.result_directory = os.path.join(self.tempdir, 'results')

    osutils.SafeMakedirs(self.result_directory)
    osutils.Touch(self.image_path)

  def testTestArgumentValidation(self):
    """Test function argument validation tests."""
    self.PatchObject(image_service, 'Test', return_value=True)
    input_proto = image_pb2.TestImageRequest()
    output_proto = image_pb2.TestImageResult()

    # Nothing provided.
    with self.assertRaises(image_controller.InvalidArgumentError):
      image_controller.Test(input_proto, output_proto)

    # Just one argument.
    input_proto.build_target.name = self.board
    with self.assertRaises(image_controller.InvalidArgumentError):
      image_controller.Test(input_proto, output_proto)

    # Two arguments provided.
    input_proto.result.directory = self.result_directory
    with self.assertRaises(image_controller.InvalidArgumentError):
      image_controller.Test(input_proto, output_proto)

    # Invalid image path.
    input_proto.image.path = '/invalid/image/path'
    with self.assertRaises(image_controller.InvalidArgumentError):
      image_controller.Test(input_proto, output_proto)

    # All valid arguments.
    input_proto.image.path = self.image_path
    image_controller.Test(input_proto, output_proto)

  def testTestOutputHandling(self):
    """Test function output tests."""
    input_proto = image_pb2.TestImageRequest()
    input_proto.image.path = self.image_path
    input_proto.build_target.name = self.board
    input_proto.result.directory = self.result_directory
    output_proto = image_pb2.TestImageResult()

    self.PatchObject(image_service, 'Test', return_value=True)
    image_controller.Test(input_proto, output_proto)
    self.assertTrue(output_proto.success)

    self.PatchObject(image_service, 'Test', return_value=False)
    image_controller.Test(input_proto, output_proto)
    self.assertFalse(output_proto.success)