api/controller/image_unittest.py

# Copyright 2019 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Image service tests."""

import os
from pathlib import Path
from typing import List, Optional
from unittest import mock

from chromite.api import api_config
from chromite.api import controller
from chromite.api.controller import image as image_controller
from chromite.api.gen.chromite.api import image_pb2
from chromite.api.gen.chromite.api import sysroot_pb2
from chromite.api.gen.chromiumos import common_pb2
from chromite.lib import build_target_lib
from chromite.lib import chroot_lib
from chromite.lib import constants
from chromite.lib import cros_build_lib
from chromite.lib import cros_test_lib
from chromite.lib import image_lib
from chromite.lib import osutils
from chromite.lib import sysroot_lib
from chromite.scripts import pushimage
from chromite.service import image as image_service


class CreateTest(cros_test_lib.MockTempDirTestCase, api_config.ApiConfigMixin):
    """Create image tests."""

    def setUp(self):
        self.response = image_pb2.CreateImageResult()

    def _GetRequest(
        self,
        board=None,
        types=None,
        version=None,
        builder_path=None,
        disable_rootfs_verification=False,
        base_is_recovery=False,
    ):
        """Helper to build a request instance."""
        return image_pb2.CreateImageRequest(
            build_target={"name": board},
            image_types=types,
            disable_rootfs_verification=disable_rootfs_verification,
            version=version,
            builder_path=builder_path,
            base_is_recovery=base_is_recovery,
        )

    def testValidateOnly(self):
        """Verify a validate-only call does not execute any logic."""
        patch = self.PatchObject(image_service, "Build")

        request = self._GetRequest(board="board")
        image_controller.Create(
            request, self.response, self.validate_only_config
        )
        patch.assert_not_called()

    def testMockCall(self):
        """Test mock call does not execute any logic, returns mocked value."""
        patch = self.PatchObject(image_service, "Build")

        request = self._GetRequest(board="board")
        image_controller.Create(request, self.response, self.mock_call_config)
        patch.assert_not_called()
        self.assertEqual(self.response.success, True)

    def testMockError(self):
        """Test that mock call does not execute any logic, returns error."""
        patch = self.PatchObject(image_service, "Build")

        request = self._GetRequest(board="board")
        rc = image_controller.Create(
            request, self.response, self.mock_error_config
        )
        patch.assert_not_called()
        self.assertEqual(controller.RETURN_CODE_COMPLETED_UNSUCCESSFULLY, rc)

    def testNoBoard(self):
        """Test no board given fails."""
        request = self._GetRequest()

        # No board should cause it to fail.
        with self.assertRaises(cros_build_lib.DieSystemExit):
            image_controller.Create(request, self.response, self.api_config)

    def testNoTypeSpecified(self):
        """Test the image type default."""
        request = self._GetRequest(board="board")

        # Failed result to avoid the success handling logic.
        result = image_service.BuildResult([constants.IMAGE_TYPE_BASE])
        result.return_code = 1
        build_patch = self.PatchObject(
            image_service, "Build", return_value=result
        )

        image_controller.Create(request, self.response, self.api_config)
        build_patch.assert_any_call(
            "board", [constants.IMAGE_TYPE_BASE], config=mock.ANY
        )

    def testSingleTypeSpecified(self):
        """Test it's properly using a specified type."""
        request = self._GetRequest(
            board="board", types=[common_pb2.IMAGE_TYPE_DEV]
        )

        # Failed result to avoid the success handling logic.
        result = image_service.BuildResult([constants.IMAGE_TYPE_DEV])
        result.return_code = 1
        build_patch = self.PatchObject(
            image_service, "Build", return_value=result
        )

        image_controller.Create(request, self.response, self.api_config)
        build_patch.assert_any_call(
            "board", [constants.IMAGE_TYPE_DEV], config=mock.ANY
        )

    def testMultipleAndImpliedTypes(self):
        """Test multiple types and implied type handling."""
        # The TEST_VM type should force it to build the test image.
        types = [common_pb2.IMAGE_TYPE_BASE, common_pb2.IMAGE_TYPE_TEST_VM]
        expected_images = [constants.IMAGE_TYPE_BASE, constants.IMAGE_TYPE_TEST]

        request = self._GetRequest(board="board", types=types)

        # Failed result to avoid the success handling logic.
        result = image_service.BuildResult(expected_images)
        result.return_code = 1
        build_patch = self.PatchObject(
            image_service, "Build", return_value=result
        )

        image_controller.Create(request, self.response, self.api_config)
        build_patch.assert_any_call("board", expected_images, config=mock.ANY)

    def testRecoveryImpliedTypes(self):
        """Test implied type handling of recovery images."""
        # The TEST_VM type should force it to build the test image.
        types = [common_pb2.IMAGE_TYPE_RECOVERY]

        request = self._GetRequest(board="board", types=types)

        # Failed result to avoid the success handling logic.
        result = image_service.BuildResult([])
        result.return_code = 1
        build_patch = self.PatchObject(
            image_service, "Build", return_value=result
        )

        image_controller.Create(request, self.response, self.api_config)
        build_patch.assert_any_call(
            "board", [constants.IMAGE_TYPE_BASE], config=mock.ANY
        )

    def testFailedPackageHandling(self):
        """Test failed packages are populated correctly."""
        result = image_service.BuildResult([])
        result.return_code = 1
        result.failed_packages = ["foo/bar", "cat/pkg"]
        expected_packages = [("foo", "bar"), ("cat", "pkg")]
        self.PatchObject(image_service, "Build", return_value=result)

        input_proto = self._GetRequest(board="board")

        rc = image_controller.Create(
            input_proto, self.response, self.api_config
        )

        self.assertEqual(
            controller.RETURN_CODE_UNSUCCESSFUL_RESPONSE_AVAILABLE, rc
        )
        for package in self.response.failed_packages:
            self.assertIn(
                (package.category, package.package_name), expected_packages
            )

    def testNoPackagesFailureHandling(self):
        """Test failed packages are populated correctly."""
        result = image_service.BuildResult([])
        result.return_code = 1
        self.PatchObject(image_service, "Build", return_value=result)

        input_proto = image_pb2.CreateImageRequest()
        input_proto.build_target.name = "board"

        rc = image_controller.Create(
            input_proto, self.response, self.api_config
        )
        self.assertTrue(rc)
        self.assertNotEqual(
            controller.RETURN_CODE_UNSUCCESSFUL_RESPONSE_AVAILABLE, rc
        )
        self.assertFalse(self.response.failed_packages)

    def testFactory(self):
        """Test it's properly building factory."""
        request = self._GetRequest(
            board="board",
            types=[
                common_pb2.IMAGE_TYPE_FACTORY,
                common_pb2.IMAGE_TYPE_NETBOOT,
            ],
        )
        factory_path = self.tempdir / "factory-shim"
        factory_path.touch()
        result = image_service.BuildResult([constants.IMAGE_TYPE_FACTORY_SHIM])
        result.add_image(constants.IMAGE_TYPE_FACTORY_SHIM, factory_path)
        result.return_code = 0
        build_patch = self.PatchObject(
            image_service, "Build", return_value=result
        )
        netboot_patch = self.PatchObject(image_service, "create_netboot_kernel")

        image_controller.Create(request, self.response, self.api_config)
        build_patch.assert_any_call(
            "board", [constants.IMAGE_TYPE_FACTORY_SHIM], config=mock.ANY
        )
        netboot_patch.assert_any_call("board", os.path.dirname(factory_path))


class GetArtifactsTest(
    cros_test_lib.MockTempDirTestCase, api_config.ApiConfigMixin
):
    """GetArtifacts function tests."""

    # pylint: disable=line-too-long
    _artifact_funcs = {
        common_pb2.ArtifactsByService.Image.ArtifactType.DLC_IMAGE: image_service.copy_dlc_image,
        common_pb2.ArtifactsByService.Image.ArtifactType.LICENSE_CREDITS: image_service.copy_license_credits,
        common_pb2.ArtifactsByService.Image.ArtifactType.FACTORY_IMAGE: image_service.create_factory_image_zip,
        common_pb2.ArtifactsByService.Image.ArtifactType.STRIPPED_PACKAGES: image_service.create_stripped_packages_tar,
        common_pb2.ArtifactsByService.Image.ArtifactType.IMAGE_SCRIPTS: image_service.create_image_scripts_archive,
    }
    # pylint: enable=line-too-long

    def setUp(self):
        self._mocks = {}
        for artifact, func in self._artifact_funcs.items():
            self._mocks[artifact] = self.PatchObject(
                image_service, func.__name__
            )
        self.chroot = chroot_lib.Chroot(
            path=self.tempdir / "chroot",
            chrome_root=self.tempdir,
            out_path=self.tempdir / "out",
        )
        board = "chell"
        sysroot_path = "/build/%s" % board
        self.sysroot_class = sysroot_lib.Sysroot(sysroot_path)
        self.build_target = build_target_lib.BuildTarget(board)

    def _InputProto(
        self,
        artifact_types=_artifact_funcs.keys(),
    ):
        """Helper to build an input proto instance."""
        return common_pb2.ArtifactsByService.Image(
            output_artifacts=[
                common_pb2.ArtifactsByService.Image.ArtifactInfo(
                    artifact_types=artifact_types
                )
            ]
        )

    def testNoArtifacts(self):
        """Test GetArtifacts with no artifact types."""
        in_proto = self._InputProto(artifact_types=[])
        image_controller.GetArtifacts(
            in_proto, self.chroot, self.sysroot_class, self.build_target, ""
        )

        for _, patch in self._mocks.items():
            patch.assert_not_called()

    def testArtifactsSuccess(self):
        """Test GetArtifacts with all artifact types."""
        image_controller.GetArtifacts(
            self._InputProto(),
            self.chroot,
            self.sysroot_class,
            self.build_target,
            "",
        )

        for _, patch in self._mocks.items():
            patch.assert_called_once()

    def testArtifactsException(self):
        """Test with all artifact types when one type throws an exception."""

        self._mocks[
            common_pb2.ArtifactsByService.Image.ArtifactType.STRIPPED_PACKAGES
        ].side_effect = Exception("foo bar")
        generated = image_controller.GetArtifacts(
            self._InputProto(),
            self.chroot,
            self.sysroot_class,
            self.build_target,
            "",
        )

        for _, patch in self._mocks.items():
            patch.assert_called_once()

        found_artifact = False
        for data in generated:
            artifact_type = (
                common_pb2.ArtifactsByService.Image.ArtifactType.Name(
                    data["type"]
                )
            )
            if artifact_type == "STRIPPED_PACKAGES":
                found_artifact = True
                self.assertTrue(data["failed"])
                self.assertEqual(data["failure_reason"], "foo bar")
        self.assertTrue(found_artifact)


class RecoveryImageTest(
    cros_test_lib.RunCommandTempDirTestCase, api_config.ApiConfigMixin
):
    """Recovery image tests."""

    def setUp(self):
        self.response = image_pb2.CreateImageResult()
        self.types = [
            common_pb2.IMAGE_TYPE_BASE,
            common_pb2.IMAGE_TYPE_RECOVERY,
        ]
        self.build_result = self._CreateMockBuildResult(
            [common_pb2.IMAGE_TYPE_BASE]
        )

        self.PatchObject(
            image_service,
            "Build",
            side_effect=[
                self.build_result,
                self._CreateMockBuildResult([common_pb2.IMAGE_TYPE_FACTORY]),
            ],
        )
        self.copy_image_mock = self.PatchObject(
            image_service,
            "CopyBaseToRecovery",
            side_effect=[
                self._CreateMockBuildResult([common_pb2.IMAGE_TYPE_RECOVERY]),
            ],
        )
        self.recov_image_mock = self.PatchObject(
            image_service,
            "BuildRecoveryImage",
            side_effect=[
                self._CreateMockBuildResult([common_pb2.IMAGE_TYPE_RECOVERY]),
            ],
        )

    def _GetRequest(
        self,
        board=None,
        types=None,
        version=None,
        builder_path=None,
        disable_rootfs_verification=False,
        base_is_recovery=False,
    ):
        """Helper to build a request instance."""
        return image_pb2.CreateImageRequest(
            build_target={"name": board},
            image_types=types,
            disable_rootfs_verification=disable_rootfs_verification,
            version=version,
            builder_path=builder_path,
            base_is_recovery=base_is_recovery,
        )

    def _CreateMockBuildResult(
        self, image_types: List[int]
    ) -> Optional[image_service.BuildResult]:
        """Helper to create Mock build_image results.

        Args:
            image_types: A list of image types for which the mock BuildResult
                has to be created.

        Returns:
            A list of mock BuildResult.
        """
        image_types_names = [
            image_controller.SUPPORTED_IMAGE_TYPES[x]
            for x in image_types
            if image_controller.SUPPORTED_IMAGE_TYPES[x]
            in constants.IMAGE_TYPE_TO_NAME
        ]

        if not image_types_names:
            if (
                common_pb2.IMAGE_TYPE_FACTORY in image_types
                and len(image_types) == 1
            ):
                image_types_names.append(constants.IMAGE_TYPE_FACTORY_SHIM)
            else:
                return None

        _build_result = image_service.BuildResult(image_types_names)
        _build_result.return_code = 0
        for image_type in image_types_names:
            test_image = (
                Path(self.tempdir) / constants.IMAGE_TYPE_TO_NAME[image_type]
            )
            test_image.touch()
            _build_result.add_image(image_type, test_image)

        return _build_result

    def testBaseIsRecoveryTrue(self):
        """Test that cp is called."""
        input_proto = self._GetRequest(
            board="board", types=self.types, base_is_recovery=True
        )
        image_controller.Create(input_proto, self.response, self.api_config)

        self.copy_image_mock.assert_called_with(
            board="board",
            image_path=self.build_result.images[constants.IMAGE_TYPE_BASE],
        )

    def testBaseIsRecoveryFalse(self):
        """Test that mod_image_for_recovery.sh is called."""
        input_proto = self._GetRequest(
            board="board", types=self.types, base_is_recovery=False
        )
        image_controller.Create(input_proto, self.response, self.api_config)

        self.recov_image_mock.assert_called_with(
            board="board",
            image_path=self.build_result.images[constants.IMAGE_TYPE_BASE],
        )


class ImageSignerTestTest(
    cros_test_lib.MockTempDirTestCase, api_config.ApiConfigMixin
):
    """Image signer test tests."""

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

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

    def testValidateOnly(self):
        """Sanity check that validate-only calls don't execute any logic."""
        patch = self.PatchObject(image_lib, "SecurityTest", return_value=True)
        input_proto = image_pb2.TestImageRequest()
        input_proto.image.path = self.image_path
        output_proto = image_pb2.TestImageResult()

        image_controller.SignerTest(
            input_proto, output_proto, self.validate_only_config
        )

        patch.assert_not_called()

    def testMockCall(self):
        """Test mock call does not execute any logic, returns mocked value."""
        patch = self.PatchObject(image_lib, "SecurityTest", return_value=True)
        input_proto = image_pb2.TestImageRequest()
        input_proto.image.path = self.image_path
        output_proto = image_pb2.TestImageResult()

        image_controller.SignerTest(
            input_proto, output_proto, self.mock_call_config
        )

        patch.assert_not_called()
        self.assertEqual(output_proto.success, True)

    def testMockError(self):
        """Test that mock call does not execute any logic, returns error."""
        patch = self.PatchObject(image_lib, "SecurityTest", return_value=True)
        input_proto = image_pb2.TestImageRequest()
        input_proto.image.path = self.image_path
        output_proto = image_pb2.TestImageResult()

        rc = image_controller.SignerTest(
            input_proto, output_proto, self.mock_error_config
        )

        patch.assert_not_called()
        self.assertEqual(controller.RETURN_CODE_COMPLETED_UNSUCCESSFULLY, rc)

    def testSignerTestNoImage(self):
        """Test function argument validation."""
        input_proto = image_pb2.TestImageRequest()
        output_proto = image_pb2.TestImageResult()

        # Nothing provided.
        with self.assertRaises(cros_build_lib.DieSystemExit):
            image_controller.SignerTest(
                input_proto, output_proto, self.api_config
            )

    def testSignerTestSuccess(self):
        """Test successful call handling."""
        self.PatchObject(image_lib, "SecurityTest", return_value=True)
        input_proto = image_pb2.TestImageRequest()
        input_proto.image.path = self.image_path
        output_proto = image_pb2.TestImageResult()

        image_controller.SignerTest(input_proto, output_proto, self.api_config)

    def testSignerTestFailure(self):
        """Test function output tests."""
        input_proto = image_pb2.TestImageRequest()
        input_proto.image.path = self.image_path
        output_proto = image_pb2.TestImageResult()

        self.PatchObject(image_lib, "SecurityTest", return_value=False)
        image_controller.SignerTest(input_proto, output_proto, self.api_config)
        self.assertFalse(output_proto.success)


class ImageTestTest(
    cros_test_lib.MockTempDirTestCase, api_config.ApiConfigMixin
):
    """Image test 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 testValidateOnly(self):
        """Verify a validate-only call does not execute any logic."""
        patch = self.PatchObject(image_service, "Test")

        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()

        image_controller.Test(
            input_proto, output_proto, self.validate_only_config
        )
        patch.assert_not_called()

    def testMockCall(self):
        """Test mock call does not execute any logic, returns mocked value."""
        patch = self.PatchObject(image_service, "Test")

        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()

        image_controller.Test(input_proto, output_proto, self.mock_call_config)
        patch.assert_not_called()
        self.assertEqual(output_proto.success, True)

    def testMockError(self):
        """Test that mock call does not execute any logic, returns error."""
        patch = self.PatchObject(image_service, "Test")

        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()

        rc = image_controller.Test(
            input_proto, output_proto, self.mock_error_config
        )
        patch.assert_not_called()
        self.assertEqual(controller.RETURN_CODE_COMPLETED_UNSUCCESSFULLY, rc)

    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(cros_build_lib.DieSystemExit):
            image_controller.Test(input_proto, output_proto, self.api_config)

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

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

        # Invalid image path.
        input_proto.image.path = "/invalid/image/path"
        with self.assertRaises(cros_build_lib.DieSystemExit):
            image_controller.Test(input_proto, output_proto, self.api_config)

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

    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.api_config)
        self.assertTrue(output_proto.success)

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


class PushImageTest(api_config.ApiConfigMixin):
    """Push image test."""

    def _GetRequest(
        self,
        gs_image_dir="gs://chromeos-image-archive/atlas-release/R89-13604.0.0",
        build_target_name="atlas",
        profile="foo",
        sign_types=None,
        dryrun=True,
        channels=None,
    ):
        return image_pb2.PushImageRequest(
            gs_image_dir=gs_image_dir,
            sysroot=sysroot_pb2.Sysroot(
                build_target=common_pb2.BuildTarget(name=build_target_name)
            ),
            profile=common_pb2.Profile(name=profile),
            sign_types=sign_types,
            dryrun=dryrun,
            channels=channels,
        )

    def _GetResponse(self):
        return image_pb2.PushImageRequest()

    @mock.patch.object(pushimage, "PushImage", return_value={})
    def testValidateOnly(self, MockPushImage):
        """Check that a validate only call does not execute any logic."""
        req = self._GetRequest(
            sign_types=[
                common_pb2.IMAGE_TYPE_RECOVERY,
                common_pb2.IMAGE_TYPE_FACTORY,
                common_pb2.IMAGE_TYPE_FIRMWARE,
                common_pb2.IMAGE_TYPE_ACCESSORY_USBPD,
                common_pb2.IMAGE_TYPE_ACCESSORY_RWSIG,
                common_pb2.IMAGE_TYPE_BASE,
                common_pb2.IMAGE_TYPE_GSC_FIRMWARE,
                common_pb2.IMAGE_TYPE_HPS_FIRMWARE,
            ]
        )
        rc = image_controller.PushImage(
            req, self.NewResponse(), self.validate_only_config
        )
        MockPushImage.assert_not_called()
        self.assertEqual(rc, controller.RETURN_CODE_VALID_INPUT)

    @mock.patch.object(pushimage, "PushImage", return_value={})
    def testValidateOnlyInvalid(self, MockPushImage):
        """Check that validate call rejects invalid sign types."""
        # Pass unsupported image type.
        req = self._GetRequest(sign_types=[common_pb2.IMAGE_TYPE_DLC])
        rc = image_controller.PushImage(
            req, self._GetResponse(), self.validate_only_config
        )
        MockPushImage.assert_not_called()
        self.assertEqual(rc, controller.RETURN_CODE_INVALID_INPUT)

    @mock.patch.object(pushimage, "PushImage", return_value={})
    def testMockCall(self, MockPushImage):
        """Test mock call does not execute any logic, returns mocked value."""
        rc = image_controller.PushImage(
            self._GetRequest(), self._GetResponse(), self.mock_call_config
        )
        MockPushImage.assert_not_called()
        self.assertEqual(controller.RETURN_CODE_SUCCESS, rc)

    @mock.patch.object(pushimage, "PushImage", return_value={})
    def testMockError(self, MockPushImage):
        """Test that mock call does not execute any logic, returns error."""
        rc = image_controller.PushImage(
            self._GetRequest(), self._GetResponse(), self.mock_error_config
        )
        MockPushImage.assert_not_called()
        self.assertEqual(controller.RETURN_CODE_COMPLETED_UNSUCCESSFULLY, rc)

    @mock.patch.object(pushimage, "PushImage", return_value={})
    def testNoBuildTarget(self, _):
        """Test no build target given fails."""
        request = self._GetRequest(build_target_name="")
        with self.assertRaises(cros_build_lib.DieSystemExit):
            image_controller.PushImage(
                request, self._GetResponse(), self.api_config
            )

    @mock.patch.object(pushimage, "PushImage", return_value={})
    def testNoGsImageDir(self, _):
        """Test no image dir given fails."""
        request = self._GetRequest(gs_image_dir="")
        with self.assertRaises(cros_build_lib.DieSystemExit):
            image_controller.PushImage(
                request, self._GetResponse(), self.api_config
            )

    @mock.patch.object(pushimage, "PushImage", return_value={})
    def testCallCorrect(self, MockPushImage):
        """Check that a call is called with the correct parameters."""
        request = self._GetRequest(
            dryrun=False,
            profile="",
            sign_types=[common_pb2.IMAGE_TYPE_RECOVERY],
            channels=[common_pb2.CHANNEL_DEV, common_pb2.CHANNEL_CANARY],
        )
        request.dest_bucket = "gs://foo"
        image_controller.PushImage(
            request, self._GetResponse(), self.api_config
        )
        MockPushImage.assert_called_with(
            request.gs_image_dir,
            request.sysroot.build_target.name,
            dryrun=request.dryrun,
            sign_types=["recovery"],
            dest_bucket=request.dest_bucket,
            force_channels=["dev", "canary"],
        )

    @mock.patch.object(
        pushimage,
        "PushImage",
        return_value={
            "dev": ["gs://dev/instr1", "gs://dev/instr2"],
            "canary": ["gs://canary/instr1"],
        },
    )
    def testOutput(self, _):
        """Check that a call populates the response object."""
        request = self._GetRequest(
            profile="",
            sign_types=[common_pb2.IMAGE_TYPE_RECOVERY],
            channels=[common_pb2.CHANNEL_DEV, common_pb2.CHANNEL_CANARY],
        )
        request.dest_bucket = "gs://foo"
        response = self._GetResponse()
        image_controller.PushImage(request, response, self.api_config)
        self.assertEqual(
            sorted([i.instructions_file_path for i in response.instructions]),
            sorted(
                ["gs://dev/instr1", "gs://dev/instr2", "gs://canary/instr1"]
            ),
        )

    def testCallSucceeds(self, _):
        """Check that a (dry run) call is made successfully."""
        request = self._GetRequest(sign_types=[common_pb2.IMAGE_TYPE_RECOVERY])
        rc = image_controller.PushImage(
            request, self._GetResponse(), self.api_config
        )
        self.assertEqual(rc, controller.RETURN_CODE_SUCCESS)

    def testCallFailsWithBadImageDir(self):
        """Check that a (dry run) call fails when given a bad gs_image_dir."""
        request = self._GetRequest(gs_image_dir="foo")
        rc = image_controller.PushImage(
            request, self._GetResponse, self.api_config
        )
        self.assertEqual(rc, controller.RETURN_CODE_COMPLETED_UNSUCCESSFULLY)