scripts/upload_prebuilts_unittest.py

# Copyright 2012 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""Unittests for upload_prebuilts.py."""

import copy
import multiprocessing
import os
from unittest import mock

from chromite.lib import binpkg
from chromite.lib import cros_test_lib
from chromite.lib import gs
from chromite.lib import osutils
from chromite.lib import parallel_unittest
from chromite.lib import portage_util
from chromite.scripts import upload_prebuilts as prebuilt


# pylint: disable=protected-access


PUBLIC_PACKAGES = [
    {"CPV": "gtk+/public1", "SHA1": "1", "MTIME": "1"},
    {"CPV": "gtk+/public2", "SHA1": "2", "PATH": "gtk+/foo.tgz", "MTIME": "2"},
]
PRIVATE_PACKAGES = [{"CPV": "private", "SHA1": "3", "MTIME": "3"}]


def SimplePackageIndex(header=True, packages=True):
    pkgindex = binpkg.PackageIndex()
    if header:
        pkgindex.header["URI"] = "gs://example"
    if packages:
        pkgindex.packages = copy.deepcopy(PUBLIC_PACKAGES + PRIVATE_PACKAGES)
    return pkgindex


class TestPrebuilt(cros_test_lib.MockTestCase):
    """Tests for Prebuilt logic."""

    def setUp(self):
        self._base_local_path = "/b/cbuild/build/chroot/build/x86-dogfood/"
        self._gs_bucket_path = "gs://chromeos-prebuilt/host/version"
        self._local_path = os.path.join(self._base_local_path, "public1.tbz2")

    def testGenerateUploadDict(self):
        self.PatchObject(prebuilt.os.path, "exists", return_true=True)
        pkgs = [{"CPV": "public1"}]
        result = prebuilt.GenerateUploadDict(
            self._base_local_path, self._gs_bucket_path, pkgs
        )
        expected = {
            self._local_path: self._gs_bucket_path + "/public1.tbz2",
        }
        self.assertEqual(result, expected)

    def testGenerateUploadDictWithDebug(self):
        self.PatchObject(prebuilt.os.path, "exists", return_true=True)
        pkgs = [{"CPV": "public1", "DEBUG_SYMBOLS": "yes"}]
        result = prebuilt.GenerateUploadDict(
            self._base_local_path, self._gs_bucket_path, pkgs
        )
        expected = {
            self._local_path: self._gs_bucket_path + "/public1.tbz2",
            self._local_path.replace(
                ".tbz2", ".debug.tbz2"
            ): self._gs_bucket_path
            + "/public1.debug.tbz2",
        }
        self.assertEqual(result, expected)

    def testDeterminePrebuiltConfHost(self):
        """Test that the host prebuilt path comes back properly."""
        expected_path = os.path.join(prebuilt._PREBUILT_MAKE_CONF["amd64"])
        self.assertEqual(
            prebuilt.DeterminePrebuiltConfFile("fake_path", "amd64"),
            expected_path,
        )


class TestPkgIndex(cros_test_lib.TestCase):
    """Helper for tests that update the Packages index file."""

    def setUp(self):
        self.db = {}
        self.pkgindex = SimplePackageIndex()
        self.empty = SimplePackageIndex(packages=False)

    def assertURIs(self, uris):
        """Verify that the duplicate DB has the specified URLs."""
        expected = [v.uri for _, v in sorted(self.db.items())]
        self.assertEqual(expected, uris)


class TestPackagesFileFiltering(TestPkgIndex):
    """Tests for Packages filtering behavior."""

    def testFilterPkgIndex(self):
        """Test filtering out of private packages."""
        self.pkgindex.RemoveFilteredPackages(
            lambda pkg: pkg in PRIVATE_PACKAGES
        )
        self.assertEqual(self.pkgindex.packages, PUBLIC_PACKAGES)
        self.assertEqual(self.pkgindex.modified, True)


class TestPopulateDuplicateDB(TestPkgIndex):
    """Tests for the _PopulateDuplicateDB function."""

    def testEmptyIndex(self):
        """Test population of the duplicate DB with an empty index."""
        self.empty._PopulateDuplicateDB(self.db, 0)
        self.assertEqual(self.db, {})

    def testNormalIndex(self):
        """Test population of the duplicate DB with a full index."""
        self.pkgindex._PopulateDuplicateDB(self.db, 0)
        self.assertURIs(
            [
                "gs://example/gtk+/public1.tbz2",
                "gs://example/gtk+/foo.tgz",
                "gs://example/private.tbz2",
            ]
        )

    def testMissingSHA1(self):
        """Test population of the duplicate DB with a missing SHA1."""
        del self.pkgindex.packages[0]["SHA1"]
        self.pkgindex._PopulateDuplicateDB(self.db, 0)
        self.assertURIs(
            ["gs://example/gtk+/foo.tgz", "gs://example/private.tbz2"]
        )

    def testFailedPopulate(self):
        """Test failure conditions for the populate method."""
        headerless = SimplePackageIndex(header=False)
        self.assertRaises(KeyError, headerless._PopulateDuplicateDB, self.db, 0)
        del self.pkgindex.packages[0]["CPV"]
        self.assertRaises(
            KeyError, self.pkgindex._PopulateDuplicateDB, self.db, 0
        )


class TestResolveDuplicateUploads(cros_test_lib.MockTestCase, TestPkgIndex):
    """Tests for the ResolveDuplicateUploads function."""

    def setUp(self):
        self.PatchObject(binpkg.time, "time", return_value=binpkg.TWO_WEEKS)
        self.db = {}
        self.dup = SimplePackageIndex()
        self.expected_pkgindex = SimplePackageIndex()

    def assertNoDuplicates(self, candidates):
        """Verify no duplicates are found with the specified candidates."""
        uploads = self.pkgindex.ResolveDuplicateUploads(candidates)
        self.assertEqual(uploads, self.pkgindex.packages)
        self.assertEqual(
            len(self.pkgindex.packages), len(self.expected_pkgindex.packages)
        )
        for pkg1, pkg2 in zip(
            self.pkgindex.packages, self.expected_pkgindex.packages
        ):
            self.assertNotEqual(pkg1["MTIME"], pkg2["MTIME"])
            del pkg1["MTIME"]
            del pkg2["MTIME"]
        self.assertEqual(self.pkgindex.modified, False)
        self.assertEqual(
            self.pkgindex.packages, self.expected_pkgindex.packages
        )

    def assertAllDuplicates(self, candidates):
        """Verify every package is a duplicate in the specified list."""
        for pkg in self.expected_pkgindex.packages:
            pkg.setdefault("PATH", pkg["CPV"] + ".tbz2")
        self.pkgindex.ResolveDuplicateUploads(candidates)
        self.assertEqual(
            self.pkgindex.packages, self.expected_pkgindex.packages
        )

    def testEmptyList(self):
        """If no candidates are supplied, no duplicates should be found."""
        self.assertNoDuplicates([])

    def testEmptyIndex(self):
        """If no packages are supplied, no duplicates should be found."""
        self.assertNoDuplicates([self.empty])

    def testDifferentURI(self):
        """If the URI differs, no duplicates should be found."""
        self.dup.header["URI"] = "gs://example2"
        self.assertNoDuplicates([self.dup])

    def testUpdateModificationTime(self):
        """When duplicates are found, we should use the latest mtime."""
        for pkg in self.expected_pkgindex.packages:
            pkg["MTIME"] = "10"
        for pkg in self.dup.packages:
            pkg["MTIME"] = "4"
        self.assertAllDuplicates([self.expected_pkgindex, self.dup])

    def testCanonicalUrl(self):
        """If the URL is in a different format, we should still find duplicates."""
        self.dup.header["URI"] = gs.PUBLIC_BASE_HTTPS_URL + "example"
        self.assertAllDuplicates([self.dup])

    def testMissingSHA1(self):
        """We should not find duplicates if there is no SHA1."""
        del self.pkgindex.packages[0]["SHA1"]
        del self.expected_pkgindex.packages[0]["SHA1"]
        for pkg in self.expected_pkgindex.packages[1:]:
            pkg.setdefault("PATH", pkg["CPV"] + ".tbz2")
        self.pkgindex.ResolveDuplicateUploads([self.dup])
        self.assertNotEqual(
            self.pkgindex.packages[0]["MTIME"],
            self.expected_pkgindex.packages[0]["MTIME"],
        )
        del self.pkgindex.packages[0]["MTIME"]
        del self.expected_pkgindex.packages[0]["MTIME"]
        self.assertEqual(
            self.pkgindex.packages, self.expected_pkgindex.packages
        )

    def testSymbolsAvailable(self):
        """If symbols are available remotely, re-use them and set DEBUG_SYMBOLS."""
        self.dup.packages[0]["DEBUG_SYMBOLS"] = "yes"

        uploads = self.pkgindex.ResolveDuplicateUploads([self.dup])
        self.assertEqual(uploads, [])
        self.assertEqual(self.pkgindex.packages[0].get("DEBUG_SYMBOLS"), "yes")

    def testSymbolsAvailableLocallyOnly(self):
        """If the symbols are only available locally, reupload them."""
        self.pkgindex.packages[0]["DEBUG_SYMBOLS"] = "yes"

        uploads = self.pkgindex.ResolveDuplicateUploads([self.dup])
        self.assertEqual(uploads, [self.pkgindex.packages[0]])


class TestWritePackageIndex(cros_test_lib.MockTestCase, TestPkgIndex):
    """Tests for the WriteToNamedTemporaryFile function."""

    def testSimple(self):
        """Test simple call of WriteToNamedTemporaryFile()"""
        self.PatchObject(self.pkgindex, "Write")
        f = self.pkgindex.WriteToNamedTemporaryFile()
        self.assertEqual(f.read(), "")


class TestUploadPrebuilt(cros_test_lib.MockTempDirTestCase):
    """Tests for the _UploadPrebuilt function."""

    def setUp(self):
        class MockTemporaryFile(object):
            """Mock out the temporary file logic."""

            def __init__(self, name):
                self.name = name

        self.pkgindex = SimplePackageIndex()
        self.PatchObject(
            binpkg, "GrabLocalPackageIndex", return_value=self.pkgindex
        )
        self.PatchObject(
            self.pkgindex,
            "ResolveDuplicateUploads",
            return_value=PRIVATE_PACKAGES,
        )
        self.PatchObject(
            self.pkgindex,
            "WriteToNamedTemporaryFile",
            return_value=MockTemporaryFile("fake"),
        )
        self.remote_up_mock = self.PatchObject(prebuilt, "RemoteUpload")
        self.gs_up_mock = self.PatchObject(prebuilt, "_GsUpload")

    def testSuccessfulGsUpload(self):
        uploads = {
            os.path.join(self.tempdir, "private.tbz2"): "gs://foo/private.tbz2"
        }
        dev_extras = os.path.join(self.tempdir, "dev-only-extras.tar.xz")
        osutils.Touch(dev_extras)
        self.PatchObject(prebuilt, "GenerateUploadDict", return_value=uploads)
        uploads = uploads.copy()
        uploads["fake"] = "gs://foo/suffix/Packages"
        uploads[dev_extras] = "gs://foo/suffix/dev-only-extras.tar.xz"
        acl = "public-read"
        uri = self.pkgindex.header["URI"]
        uploader = prebuilt.PrebuiltUploader(
            "gs://foo",
            acl,
            uri,
            [],
            "/",
            [],
            False,
            "foo",
            False,
            "x86-foo",
            [],
            "",
            report={},
        )
        uploader._UploadPrebuilt(self.tempdir, "suffix")
        self.remote_up_mock.assert_called_once_with(mock.ANY, acl, uploads)
        self.assertTrue(self.gs_up_mock.called)


class TestUpdateRemoteSdkLatestFile(cros_test_lib.MockTestCase):
    """Tests for PrebuiltUploader._UpdateRemoteSdkLatestFile."""

    def setUp(self):
        self._write_file_patch = self.PatchObject(osutils, "WriteFile")
        self.PatchObject(prebuilt.PrebuiltUploader, "_Upload")
        self.PatchObject(
            gs.GSContext,
            "LoadKeyValueStore",
            return_value={
                "LATEST_SDK": "1000",
                "LATEST_SDK_UPREV_TARGET": "2000",
            },
        )
        self._uploader = prebuilt.PrebuiltUploader(
            "gs://foo",
            "public-read",
            SimplePackageIndex().header["URI"],
            [],
            "/",
            [],
            False,
            "foo",
            False,
            "x86-foo",
            [],
            "",
            report={},
        )

    def testNoChanges(self):
        self._uploader._UpdateRemoteSdkLatestFile()
        expected = prebuilt.PrebuiltUploader._CreateRemoteSdkLatestFileContents(
            "1000", "2000"
        )
        self._write_file_patch.assert_called_with(mock.ANY, expected)

    def testChangeLatestSdk(self):
        self._uploader._UpdateRemoteSdkLatestFile(latest_sdk="3000")
        expected = prebuilt.PrebuiltUploader._CreateRemoteSdkLatestFileContents(
            "3000", "2000"
        )
        self._write_file_patch.assert_called_with(mock.ANY, expected)

    def testChangeLatestUprevTarget(self):
        self._uploader._UpdateRemoteSdkLatestFile(
            latest_sdk_uprev_target="4000"
        )
        expected = prebuilt.PrebuiltUploader._CreateRemoteSdkLatestFileContents(
            "1000", "4000"
        )
        self._write_file_patch.assert_called_with(mock.ANY, expected)

    def testChangeBoth(self):
        self._uploader._UpdateRemoteSdkLatestFile(
            latest_sdk="3000", latest_sdk_uprev_target="4000"
        )
        expected = prebuilt.PrebuiltUploader._CreateRemoteSdkLatestFileContents(
            "3000", "4000"
        )
        self._write_file_patch.assert_called_with(mock.ANY, expected)


class TestSyncPrebuilts(cros_test_lib.MockTestCase):
    """Tests for the SyncHostPrebuilts function."""

    def setUp(self):
        clnum = [1]

        def mock_rev(_filename, _data, report, *_args, **_kwargs):
            report.setdefault("created_cls", []).append(
                f"https://crrev.com/unittest/{clnum[0]}"
            )
            clnum[0] += 1

        self.rev_mock = self.PatchObject(
            binpkg,
            "UpdateAndSubmitKeyValueFile",
            side_effect=mock_rev,
        )
        self.update_binhost_mock = self.PatchObject(
            prebuilt, "UpdateBinhostConfFile", return_value=None
        )
        self.build_path = "/trunk"
        self.upload_location = "gs://upload/"
        self.version = "1"
        self.binhost = "http://prebuilt/"
        self.key = "PORTAGE_BINHOST"
        self.upload_mock = self.PatchObject(
            prebuilt.PrebuiltUploader, "_UploadPrebuilt", return_value=True
        )

    def _testSyncHostPrebuilts(self, chroot):
        board = "x86-foo"
        target = prebuilt.BuildTarget(board, "aura")
        slave_targets = [prebuilt.BuildTarget("x86-bar", "aura")]
        report = {}
        if chroot is None:
            package_path = os.path.join(
                self.build_path, "chroot", prebuilt._HOST_PACKAGES_PATH
            )
        else:
            package_path = os.path.join(chroot, prebuilt._HOST_PACKAGES_PATH)
        url_suffix = prebuilt._REL_HOST_PATH % {
            "version": self.version,
            "host_arch": prebuilt._HOST_ARCH,
            "target": target,
        }
        packages_url_suffix = "%s/packages" % url_suffix.rstrip("/")
        url_value = "%s/%s/" % (
            self.binhost.rstrip("/"),
            packages_url_suffix.rstrip("/"),
        )
        urls = [url_value.replace("foo", "bar"), url_value]
        binhost = " ".join(urls)
        uploader = prebuilt.PrebuiltUploader(
            self.upload_location,
            "public-read",
            self.binhost,
            [],
            self.build_path,
            [],
            False,
            "foo",
            False,
            target,
            slave_targets,
            self.version,
            report,
            chroot=chroot,
        )
        uploader.SyncHostPrebuilts(self.key, True, True)
        self.assertEqual(
            report,
            {
                "created_cls": ["https://crrev.com/unittest/1"],
            },
        )
        self.upload_mock.assert_called_once_with(
            package_path, packages_url_suffix
        )
        self.rev_mock.assert_called_once_with(
            mock.ANY, {self.key: binhost}, report, dryrun=False
        )
        self.update_binhost_mock.assert_called_once_with(
            mock.ANY, self.key, binhost
        )

    def testSyncHostPrebuilts(self):
        self._testSyncHostPrebuilts(chroot=None)

    def testSyncHostPrebuiltsWithChroot(self):
        self._testSyncHostPrebuilts("/test/chroot")

    def testSyncBoardPrebuilts(self):
        board = "x86-foo"
        target = prebuilt.BuildTarget(board, "aura")
        slave_targets = [prebuilt.BuildTarget("x86-bar", "aura")]
        board_path = os.path.join(
            self.build_path, prebuilt._BOARD_PATH % {"board": board}
        )
        package_path = os.path.join(board_path, "packages")
        url_suffix = prebuilt._REL_BOARD_PATH % {
            "version": self.version,
            "target": target,
        }
        packages_url_suffix = "%s/packages" % url_suffix.rstrip("/")
        url_value = "%s/%s/" % (
            self.binhost.rstrip("/"),
            packages_url_suffix.rstrip("/"),
        )
        bar_binhost = url_value.replace("foo", "bar")
        determine_mock = self.PatchObject(
            prebuilt, "DeterminePrebuiltConfFile", side_effect=("bar", "foo")
        )
        self.PatchObject(prebuilt.PrebuiltUploader, "_UploadSdkTarball")
        report = {}
        with parallel_unittest.ParallelMock():
            multiprocessing.Process.exitcode = 0
            uploader = prebuilt.PrebuiltUploader(
                self.upload_location,
                "public-read",
                self.binhost,
                [],
                self.build_path,
                [],
                False,
                "foo",
                False,
                target,
                slave_targets,
                self.version,
                report,
            )
            uploader.SyncBoardPrebuilts(
                self.key, True, True, True, None, None, None, None, None, True
            )
        determine_mock.assert_has_calls(
            [
                mock.call(self.build_path, slave_targets[0]),
                mock.call(self.build_path, target),
            ]
        )
        self.upload_mock.assert_called_once_with(
            package_path, packages_url_suffix
        )
        self.rev_mock.assert_has_calls(
            [
                mock.call(
                    "bar",
                    {self.key: bar_binhost},
                    {
                        "created_cls": [
                            "https://crrev.com/unittest/1",
                            "https://crrev.com/unittest/2",
                        ],
                    },
                    dryrun=False,
                ),
                mock.call(
                    "foo",
                    {self.key: url_value},
                    {
                        "created_cls": [
                            "https://crrev.com/unittest/1",
                            "https://crrev.com/unittest/2",
                        ],
                    },
                    dryrun=False,
                ),
            ]
        )
        self.update_binhost_mock.assert_has_calls(
            [
                mock.call(mock.ANY, self.key, bar_binhost),
                mock.call(mock.ANY, self.key, url_value),
            ]
        )


class TestMain(cros_test_lib.MockTestCase):
    """Tests for the main() function."""

    def testMain(self):
        """Test that the main function works."""
        # Use a real object as returned from ParseOptions as a spec for
        # the mock options object, so that we don't have any properties
        # that the real object doesn't have.
        options_spec, _ = prebuilt.ParseOptions(
            [
                "--dry-run",
                "--build-path",
                "/trunk",
                "-u",
                "gs://upload",
            ]
        )
        options = mock.MagicMock(spec=options_spec)
        old_binhost = "http://prebuilt/1"
        options.previous_binhost_url = [old_binhost]
        options.board = "x86-foo"
        options.profile = None
        target = prebuilt.BuildTarget(options.board, options.profile)
        options.build_path = "/trunk"
        options.chroot = None
        options.dryrun = False
        options.private = True
        options.packages = []
        options.sync_host = True
        options.git_sync = True
        options.sync_remote_latest_sdk_file = True
        options.upload_board_tarball = True
        options.prepackaged_tarball = None
        options.toolchains_overlay_tarballs = []
        options.toolchains_overlay_upload_path = ""
        options.toolchain_tarballs = []
        options.toolchain_upload_path = ""
        options.upload = "gs://upload/"
        options.binhost_base_url = options.upload
        options.prepend_version = True
        options.set_version = None
        options.skip_upload = False
        options.filters = True
        options.key = "PORTAGE_BINHOST"
        options.binhost_conf_dir = None
        options.sync_binhost_conf = True
        options.slave_targets = [prebuilt.BuildTarget("x86-bar", "aura")]
        self.PatchObject(
            prebuilt, "ParseOptions", return_value=tuple([options, target])
        )
        self.PatchObject(binpkg, "GrabRemotePackageIndex", return_value=True)
        init_mock = self.PatchObject(
            prebuilt.PrebuiltUploader, "__init__", return_value=None
        )
        expected_gs_acl_path = os.path.join(
            "/fake_path", prebuilt._GOOGLESTORAGE_GSUTIL_FILE
        )
        self.PatchObject(
            portage_util, "FindOverlayFile", return_value=expected_gs_acl_path
        )
        host_mock = self.PatchObject(
            prebuilt.PrebuiltUploader, "SyncHostPrebuilts", return_value=None
        )
        board_mock = self.PatchObject(
            prebuilt.PrebuiltUploader, "SyncBoardPrebuilts", return_value=None
        )

        prebuilt.main([])

        init_mock.assert_called_once_with(
            options.upload,
            expected_gs_acl_path,
            options.upload,
            mock.ANY,
            options.build_path,
            options.packages,
            False,
            None,
            False,
            target,
            options.slave_targets,
            mock.ANY,
            {},
            None,
        )
        board_mock.assert_called_once_with(
            options.key,
            options.git_sync,
            options.sync_binhost_conf,
            options.upload_board_tarball,
            None,
            [],
            "",
            [],
            "",
            options.sync_remote_latest_sdk_file,
        )
        host_mock.assert_called_once_with(
            options.key, options.git_sync, options.sync_binhost_conf
        )


class TestSdk(cros_test_lib.MockTestCase):
    """Test logic related to uploading SDK binaries"""

    def setUp(self):
        self.PatchObject(
            prebuilt,
            "_GsUpload",
            side_effect=Exception("should not get called"),
        )
        self.PatchObject(
            prebuilt,
            "UpdateBinhostConfFile",
            side_effect=Exception("should not get called"),
        )
        self.PatchObject(
            gs.GSContext,
            "LoadKeyValueStore",
            return_value={
                "LATEST_SDK": "1000",
                "LATEST_SDK_UPREV_TARGET": "2000",
            },
        )
        self.write_file_mock = self.PatchObject(osutils, "WriteFile")
        self.upload_mock = self.PatchObject(
            prebuilt.PrebuiltUploader, "_Upload"
        )

        self.acl = "magic-acl"

        # All these args pretty much get ignored.  Whee.
        self.uploader = prebuilt.PrebuiltUploader(
            "gs://foo",
            self.acl,
            "prebuilt",
            [],
            "/",
            [],
            False,
            "foo",
            False,
            "x86-foo",
            [],
            "chroot-1234",
            report={},
        )

    def testSdkUpload(
        self,
        to_tarballs=(),
        to_upload_path=None,
        tc_tarballs=(),
        tc_upload_path=None,
    ):
        """Make sure we can upload just an SDK tarball"""
        tar = "sdk.tar.xz"
        ver = "1234"
        vtar = "cros-sdk-%s.tar.xz" % ver

        upload_calls = [
            mock.call(
                "%s.Manifest" % tar, "gs://chromiumos-sdk/%s.Manifest" % vtar
            ),
            mock.call(tar, "gs://chromiumos-sdk/%s" % vtar),
        ]
        for to in to_tarballs:
            to = to.split(":")
            upload_calls.append(
                mock.call(
                    to[1],
                    ("gs://chromiumos-sdk/" + to_upload_path)
                    % {"toolchains": to[0]},
                )
            )
        for tc in tc_tarballs:
            tc = tc.split(":")
            upload_calls.append(
                mock.call(
                    tc[1],
                    ("gs://chromiumos-sdk/" + tc_upload_path)
                    % {"target": tc[0]},
                )
            )
        upload_calls.append(
            mock.call(mock.ANY, "gs://chromiumos-sdk/cros-sdk-latest.conf")
        )

        self.uploader._UploadSdkTarball(
            "amd64-host",
            "",
            tar,
            to_tarballs,
            to_upload_path,
            tc_tarballs,
            tc_upload_path,
            True,
        )
        self.upload_mock.assert_has_calls(upload_calls)

        expected_latest_file_contents = f"""\
# The most recent SDK that is tested and ready for use.
LATEST_SDK="{ver}"

# The most recently built version. New uprev attempts should target this.
# Warning: This version may not be tested yet.
LATEST_SDK_UPREV_TARGET=\"2000\""""
        self.write_file_mock.assert_any_call(
            mock.ANY, expected_latest_file_contents
        )

    def testBoardOverlayTarballUpload(self):
        """Make sure processing of board-specific overlay tarballs works."""
        to_tarballs = (
            (
                "i686-pc-linux-gnu:"
                "/some/path/built-sdk-overlay-toolchains-i686-pc-linux-gnu.tar.xz"
            ),
            (
                "armv7a-cros-linux-gnueabi-arm-none-eabi:"
                "/some/path/built-sdk-overlay-toolchains-armv7a-cros-linux-gnueabi-"
                "arm-none-eabi"
            ),
        )
        to_upload_path = "1994/04/cros-sdk-overlay-toolchains-%(toolchains)s-1994.04.02.tar.xz"
        self.testSdkUpload(
            to_tarballs=to_tarballs, to_upload_path=to_upload_path
        )

    def testToolchainTarballUpload(self):
        """Make sure processing of toolchain tarballs works."""
        tc_tarballs = (
            "i686:/some/i686.tar.xz",
            "arm-none:/some/arm.tar.xz",
        )
        tc_upload_path = "1994/04/%(target)s-1994.04.02.tar.xz"
        self.testSdkUpload(
            tc_tarballs=tc_tarballs, tc_upload_path=tc_upload_path
        )