# 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.

"""Payload operations."""

from chromite.api import api_config
from chromite.api import controller
from chromite.api.controller import payload
from chromite.api.gen.chromite.api import payload_pb2
from chromite.api.gen.chromiumos import common_pb2
from chromite.lib import cros_test_lib
from chromite.lib.paygen import paygen_payload_lib


class PayloadApiTests(
    cros_test_lib.MockTempDirTestCase, api_config.ApiConfigMixin
):
    """Unittests for PayloadApi."""

    def setUp(self):
        self.response = payload_pb2.GenerationResponse()

        src_build = payload_pb2.Build(
            version="1.0.0",
            bucket="test",
            channel="test-channel",
            build_target=common_pb2.BuildTarget(name="cave"),
        )

        src_image = payload_pb2.UnsignedImage(
            build=src_build, image_type=6, milestone="R70"
        )

        tgt_build = payload_pb2.Build(
            version="2.0.0",
            bucket="test",
            channel="test-channel",
            build_target=common_pb2.BuildTarget(name="cave"),
        )

        tgt_image = payload_pb2.UnsignedImage(
            build=tgt_build, image_type=6, milestone="R70"
        )

        self.req = payload_pb2.GenerationRequest(
            tgt_unsigned_image=tgt_image,
            src_unsigned_image=src_image,
            bucket="test-destination-bucket",
            verify=True,
            keyset="update_signer",
            dryrun=False,
            result_path=common_pb2.ResultPath(
                path=common_pb2.Path(
                    path=str(self.tempdir / "results"),
                    location=common_pb2.Path.OUTSIDE,
                )
            ),
        )

        self.minios_req = payload_pb2.GenerationRequest(
            tgt_unsigned_image=tgt_image,
            src_unsigned_image=src_image,
            bucket="test-destination-bucket",
            minios=True,
            verify=True,
            keyset="update_signer",
            dryrun=False,
            result_path=common_pb2.ResultPath(
                path=common_pb2.Path(
                    path=str(self.tempdir / "results"),
                    location=common_pb2.Path.OUTSIDE,
                )
            ),
        )

        self.result = payload_pb2.GenerationResponse(
            versioned_artifacts=[
                payload_pb2.GenerationResponse.VersionedArtifact(
                    version=1,
                    file_path=common_pb2.Path(
                        path="/tmp/aohiwdadoi/delta.bin",
                        location=common_pb2.Path.INSIDE,
                    ),
                    remote_uri="gs://something",
                )
            ]
        )

        self.PatchObject(
            payload, "_DEFAULT_PAYGEN_CACHE_DIR", new=str(self.tempdir)
        )

    def testValidateOnly(self):
        """Basic check that a validate only call does not execute any logic."""

        res = payload.GeneratePayload(
            self.req, self.result, self.validate_only_config
        )
        self.assertEqual(res, controller.RETURN_CODE_VALID_INPUT)

    def testCallSucceeds(self):
        """Check that a call is made successfully."""
        # Deep patch the paygen lib, this is a full run through service as well.
        patch_obj = self.PatchObject(paygen_payload_lib, "PaygenPayload")
        patch_obj.return_value.Run.return_value = {
            1: ("/tmp/aohiwdadoi/delta.bin", "gs://something")
        }
        res = payload.GeneratePayload(self.req, self.result, self.api_config)
        self.assertEqual(res, controller.RETURN_CODE_SUCCESS)

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

        res = payload.GeneratePayload(
            self.req, self.result, self.mock_error_config
        )
        patch.assert_not_called()
        self.assertEqual(controller.RETURN_CODE_COMPLETED_UNSUCCESSFULLY, res)

    def testMockCall(self):
        """Test mock call does not execute any logic, returns success."""
        patch = self.PatchObject(paygen_payload_lib, "PaygenPayload")

        res = payload.GeneratePayload(
            self.req, self.result, self.mock_call_config
        )
        patch.assert_not_called()
        self.assertEqual(controller.RETURN_CODE_SUCCESS, res)

    def testMiniOSSuccess(self):
        """Test a miniOS paygen request."""
        patch = self.PatchObject(paygen_payload_lib, "PaygenPayload")
        patch.return_value.Run.return_value = {
            1: ("/tmp/aohiwdadoi/delta.bin", "gs://minios/something")
        }
        res = payload.GeneratePayload(
            self.minios_req, self.result, self.api_config
        )
        self.assertEqual(res, controller.RETURN_CODE_SUCCESS)

    def testNoMiniOSPartition(self):
        """Test a miniOS paygen request on an image with no miniOS part."""
        patch = self.PatchObject(paygen_payload_lib, "PaygenPayload")
        patch.side_effect = paygen_payload_lib.NoMiniOSPartitionException
        response_code = payload.GeneratePayload(
            self.minios_req, self.result, self.api_config
        )
        self.assertEqual(
            self.result.failure_reason,
            payload_pb2.GenerationResponse.NOT_MINIOS_COMPATIBLE,
        )
        self.assertEqual(
            response_code,
            controller.RETURN_CODE_UNSUCCESSFUL_RESPONSE_AVAILABLE,
        )

    def testNoMiniOSPartitionMismatch(self):
        """Test a miniOS paygen request with a partition count mismatch."""
        patch = self.PatchObject(paygen_payload_lib, "PaygenPayload")
        patch.side_effect = paygen_payload_lib.MiniOSPartitionMismatchException
        response_code = payload.GeneratePayload(
            self.minios_req, self.result, self.api_config
        )
        self.assertEqual(
            self.result.failure_reason,
            payload_pb2.GenerationResponse.MINIOS_COUNT_MISMATCH,
        )
        self.assertEqual(
            response_code,
            controller.RETURN_CODE_UNSUCCESSFUL_RESPONSE_AVAILABLE,
        )