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BUG=b:233893248
TEST=CQ

Change-Id: I66591d7a738d241aed3290138c0f68065ab10a6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3879174
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Alex Klein <saklein@chromium.org>
diff --git a/scripts/cros_generate_sysroot_unittest.py b/scripts/cros_generate_sysroot_unittest.py
index 04dd53c..aa08de2 100644
--- a/scripts/cros_generate_sysroot_unittest.py
+++ b/scripts/cros_generate_sysroot_unittest.py
@@ -20,89 +20,133 @@
 
 
 class CrosGenMock(partial_mock.PartialMock):
-  """Helper class to Mock out cros_generate_sysroot.GenerateSysroot."""
+    """Helper class to Mock out cros_generate_sysroot.GenerateSysroot."""
 
-  TARGET = 'chromite.scripts.cros_generate_sysroot.GenerateSysroot'
-  ATTRS = ('_InstallToolchain', '_InstallKernelHeaders',
-           '_InstallBuildDependencies')
+    TARGET = "chromite.scripts.cros_generate_sysroot.GenerateSysroot"
+    ATTRS = (
+        "_InstallToolchain",
+        "_InstallKernelHeaders",
+        "_InstallBuildDependencies",
+    )
 
-  TOOLCHAIN = 'toolchain'
-  KERNEL_HEADERS = 'kernel_headers'
-  BUILD_DEPS = 'build-deps'
+    TOOLCHAIN = "toolchain"
+    KERNEL_HEADERS = "kernel_headers"
+    BUILD_DEPS = "build-deps"
 
-  def _InstallToolchain(self, inst):
-    osutils.Touch(os.path.join(inst.sysroot, self.TOOLCHAIN))
+    def _InstallToolchain(self, inst):
+        osutils.Touch(os.path.join(inst.sysroot, self.TOOLCHAIN))
 
-  def _InstallKernelHeaders(self, inst):
-    osutils.Touch(os.path.join(inst.sysroot, self.KERNEL_HEADERS))
+    def _InstallKernelHeaders(self, inst):
+        osutils.Touch(os.path.join(inst.sysroot, self.KERNEL_HEADERS))
 
-  def _InstallBuildDependencies(self, inst):
-    osutils.Touch(os.path.join(inst.sysroot, self.BUILD_DEPS))
+    def _InstallBuildDependencies(self, inst):
+        osutils.Touch(os.path.join(inst.sysroot, self.BUILD_DEPS))
 
-  def VerifyTarball(self, tarball):
-    dir_struct = [Dir('.', []), self.TOOLCHAIN, self.KERNEL_HEADERS,
-                  self.BUILD_DEPS]
-    cros_test_lib.VerifyTarball(tarball, dir_struct)
+    def VerifyTarball(self, tarball):
+        dir_struct = [
+            Dir(".", []),
+            self.TOOLCHAIN,
+            self.KERNEL_HEADERS,
+            self.BUILD_DEPS,
+        ]
+        cros_test_lib.VerifyTarball(tarball, dir_struct)
 
 
-BOARD = 'lumpy'
-TAR_NAME = 'test.tar.xz'
+BOARD = "lumpy"
+TAR_NAME = "test.tar.xz"
 
 
 class OverallTest(cros_test_lib.MockTempDirTestCase):
-  """Tests for cros_generate_sysroot."""
+    """Tests for cros_generate_sysroot."""
 
-  def setUp(self):
-    self.cg_mock = self.StartPatcher(CrosGenMock())
-    self.PatchObject(sudo.SudoKeepAlive, '_IdentifyTTY', return_value='unknown')
+    def setUp(self):
+        self.cg_mock = self.StartPatcher(CrosGenMock())
+        self.PatchObject(
+            sudo.SudoKeepAlive, "_IdentifyTTY", return_value="unknown"
+        )
 
-  def testTarballGeneration(self):
-    """End-to-end test of tarball generation."""
-    with mock.patch.object(cros_build_lib, 'IsInsideChroot'):
-      cros_build_lib.IsInsideChroot.returnvalue = True
-      cros_gen.main(
-          ['--board', BOARD, '--out-dir', str(self.tempdir),
-           '--out-file', TAR_NAME, '--package', constants.CHROME_CP])
-      self.cg_mock.VerifyTarball(os.path.join(self.tempdir, TAR_NAME))
+    def testTarballGeneration(self):
+        """End-to-end test of tarball generation."""
+        with mock.patch.object(cros_build_lib, "IsInsideChroot"):
+            cros_build_lib.IsInsideChroot.returnvalue = True
+            cros_gen.main(
+                [
+                    "--board",
+                    BOARD,
+                    "--out-dir",
+                    str(self.tempdir),
+                    "--out-file",
+                    TAR_NAME,
+                    "--package",
+                    constants.CHROME_CP,
+                ]
+            )
+            self.cg_mock.VerifyTarball(os.path.join(self.tempdir, TAR_NAME))
 
 
 class InterfaceTest(cros_test_lib.TempDirTestCase):
-  """Test Parsing and error checking functionality."""
+    """Test Parsing and error checking functionality."""
 
-  BAD_TARGET_DIR = '/path/to/nowhere'
+    BAD_TARGET_DIR = "/path/to/nowhere"
 
-  def _Parse(self, extra_args):
-    return cros_gen.ParseCommandLine(
-        ['--board', BOARD, '--out-dir', str(self.tempdir),
-         '--package', constants.CHROME_CP] + extra_args)
+    def _Parse(self, extra_args):
+        return cros_gen.ParseCommandLine(
+            [
+                "--board",
+                BOARD,
+                "--out-dir",
+                str(self.tempdir),
+                "--package",
+                constants.CHROME_CP,
+            ]
+            + extra_args
+        )
 
-  def testDefaultTargetName(self):
-    """We are getting the right default target name."""
-    options = self._Parse([])
-    self.assertEqual(
-        options.out_file, 'sysroot_chromeos-base_chromeos-chrome.tar.xz')
+    def testDefaultTargetName(self):
+        """We are getting the right default target name."""
+        options = self._Parse([])
+        self.assertEqual(
+            options.out_file, "sysroot_chromeos-base_chromeos-chrome.tar.xz"
+        )
 
-  def testMultiplePkgsTargetName(self):
-    """Test getting the right target name with multiple pkgs."""
-    pkgs = '%s virtual/target-os' % constants.CHROME_CP
-    options = cros_gen.ParseCommandLine(
-        ['--board', BOARD, '--out-dir', str(self.tempdir),
-         '--package', pkgs])
+    def testMultiplePkgsTargetName(self):
+        """Test getting the right target name with multiple pkgs."""
+        pkgs = "%s virtual/target-os" % constants.CHROME_CP
+        options = cros_gen.ParseCommandLine(
+            [
+                "--board",
+                BOARD,
+                "--out-dir",
+                str(self.tempdir),
+                "--package",
+                pkgs,
+            ]
+        )
 
-    self.assertEqual(
-        options.out_file, 'sysroot_chromeos-base_chromeos-chrome.tar.xz')
+        self.assertEqual(
+            options.out_file, "sysroot_chromeos-base_chromeos-chrome.tar.xz"
+        )
 
-  def testExistingTarget(self):
-    """Erroring out on pre-existing target."""
-    options = self._Parse(['--out-file', TAR_NAME])
-    osutils.Touch(os.path.join(self.tempdir, TAR_NAME))
-    self.assertRaises(cros_build_lib.DieSystemExit,
-                      cros_gen.FinishParsing, options)
+    def testExistingTarget(self):
+        """Erroring out on pre-existing target."""
+        options = self._Parse(["--out-file", TAR_NAME])
+        osutils.Touch(os.path.join(self.tempdir, TAR_NAME))
+        self.assertRaises(
+            cros_build_lib.DieSystemExit, cros_gen.FinishParsing, options
+        )
 
-  def testNonExisting(self):
-    """Erroring out on non-existent output dir."""
-    options = cros_gen.ParseCommandLine(
-        ['--board', BOARD, '--out-dir', self.BAD_TARGET_DIR, '--package',
-         constants.CHROME_CP])
-    self.assertRaises(cros_build_lib.DieSystemExit,
-                      cros_gen.FinishParsing, options)
+    def testNonExisting(self):
+        """Erroring out on non-existent output dir."""
+        options = cros_gen.ParseCommandLine(
+            [
+                "--board",
+                BOARD,
+                "--out-dir",
+                self.BAD_TARGET_DIR,
+                "--package",
+                constants.CHROME_CP,
+            ]
+        )
+        self.assertRaises(
+            cros_build_lib.DieSystemExit, cros_gen.FinishParsing, options
+        )