Merge "Added unit test for PermissionHelper." into sc-dev
diff --git a/tests/carservice_unit_test/src/com/android/car/PermissionHelperTest.java b/tests/carservice_unit_test/src/com/android/car/PermissionHelperTest.java
new file mode 100644
index 0000000..d8ff974
--- /dev/null
+++ b/tests/carservice_unit_test/src/com/android/car/PermissionHelperTest.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.car;
+
+import static android.content.pm.PackageManager.PERMISSION_DENIED;
+import static android.content.pm.PackageManager.PERMISSION_GRANTED;
+
+import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
+
+import static com.google.common.truth.Truth.assertWithMessage;
+
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.testng.Assert.expectThrows;
+
+import android.app.ActivityManager;
+import android.car.test.mocks.AbstractExtendedMockitoTestCase;
+import android.os.Binder;
+import android.util.Log;
+
+import org.junit.Test;
+
+public final class PermissionHelperTest extends AbstractExtendedMockitoTestCase {
+
+ private static final String TAG = PermissionHelperTest.class.getSimpleName();
+ private static final String MESSAGE = "D'OH!";
+
+ private static final int UID = Binder.getCallingUid();
+
+ private static final String PERMISSION1 = "LicenseToKill";
+ private static final String PERMISSION2 = "LicenseToLove";
+
+ @Override
+ protected void onSessionBuilder(CustomMockitoSessionBuilder session) {
+ session.spyStatic(ActivityManager.class);
+ }
+
+ @Test
+ public void testHasAtLeastOnePermission_none() {
+ mockPermission(PERMISSION1, PERMISSION_DENIED);
+ mockPermission(PERMISSION2, PERMISSION_DENIED);
+
+ assertWithMessage("has at least %s", PERMISSION2).that(
+ PermissionHelper.hasAtLeastOnePermissionGranted(UID, PERMISSION1, PERMISSION2))
+ .isFalse();
+ }
+
+ @Test
+ public void testHasAtLeastOnePermission_one() {
+ mockPermission(PERMISSION1, PERMISSION_DENIED);
+ mockPermission(PERMISSION2, PERMISSION_GRANTED);
+
+ assertWithMessage("has at least %s", PERMISSION2).that(
+ PermissionHelper.hasAtLeastOnePermissionGranted(UID, PERMISSION1, PERMISSION2))
+ .isTrue();
+ }
+
+ @Test
+ public void testHasAtLeastOnePermission_both() {
+ mockPermission(PERMISSION1, PERMISSION_GRANTED);
+ mockPermission(PERMISSION2, PERMISSION_GRANTED);
+
+ assertWithMessage("has at least %s", PERMISSION2).that(
+ PermissionHelper.hasAtLeastOnePermissionGranted(UID, PERMISSION1, PERMISSION2))
+ .isTrue();
+ }
+
+ @Test
+ public void testCheckHasAtLeastOnePermission_none() {
+ mockPermission(PERMISSION1, PERMISSION_DENIED);
+ mockPermission(PERMISSION2, PERMISSION_DENIED);
+
+ SecurityException exception = expectThrows(SecurityException.class, () -> PermissionHelper
+ .checkHasAtLeastOnePermissionGranted(MESSAGE, PERMISSION1, PERMISSION2));
+
+ assertExceptionMessageContains(exception, MESSAGE);
+ }
+
+ @Test
+ public void testCheckHasAtLeastOnePermissionGranted_one() {
+ mockPermission(PERMISSION1, PERMISSION_DENIED);
+ mockPermission(PERMISSION2, PERMISSION_GRANTED);
+
+ PermissionHelper.checkHasAtLeastOnePermissionGranted(MESSAGE, PERMISSION1, PERMISSION2);
+ }
+
+ @Test
+ public void testCheckHasAtLeastOnePermissionGranted_both() {
+ mockPermission(PERMISSION1, PERMISSION_DENIED);
+ mockPermission(PERMISSION2, PERMISSION_GRANTED);
+
+ PermissionHelper.checkHasAtLeastOnePermissionGranted(MESSAGE, PERMISSION1, PERMISSION2);
+ }
+
+ @Test
+ public void testCheckHasDumpPermissionGranted_notGranted() {
+ mockPermission(android.Manifest.permission.DUMP, PERMISSION_DENIED);
+
+ SecurityException exception = expectThrows(SecurityException.class,
+ () -> PermissionHelper.checkHasDumpPermissionGranted(MESSAGE));
+
+ assertExceptionMessageContains(exception, MESSAGE);
+ assertExceptionMessageContains(exception, android.Manifest.permission.DUMP);
+ }
+
+ @Test
+ public void testCheckHasDumpPermissionGranted_granted() {
+ mockPermission(android.Manifest.permission.DUMP, PERMISSION_GRANTED);
+
+ PermissionHelper.checkHasDumpPermissionGranted(MESSAGE);
+ }
+
+ private void assertExceptionMessageContains(Exception exception, String subString) {
+ assertWithMessage("exception (%s) message", exception).that(exception.getMessage())
+ .contains(subString);
+ }
+
+ private void mockPermission(String permission, int value) {
+ Log.d(TAG, "mockHasPermissions(): uid=" + UID + ", permission=" + permission
+ + ", granted=" + (value == PERMISSION_GRANTED));
+
+ doReturn(value).when(() -> ActivityManager.checkComponentPermission(eq(permission),
+ eq(UID), anyInt(), anyBoolean()));
+ }
+}