| /* |
| * Copyright (C) 2018 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.dx.mockito.tests; |
| |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.junit.Assume.assumeTrue; |
| import static org.mockito.Mockito.doCallRealMethod; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.spy; |
| |
| import android.content.Context; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.provider.Settings; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.view.View; |
| import android.widget.FrameLayout; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| /** |
| * Simplified versions of bugs seen in the past |
| */ |
| @RunWith(AndroidJUnit4.class) |
| public class BlacklistedApis { |
| /** |
| * Check if the application is marked as {@code android:debuggable} in the manifest |
| * |
| * @return {@code true} iff it is marked as such |
| */ |
| private boolean isDebuggable() throws PackageManager.NameNotFoundException { |
| Context context = InstrumentationRegistry.getTargetContext(); |
| PackageInfo packageInfo = context.getPackageManager().getPackageInfo( |
| context.getPackageName(), 0); |
| |
| return (packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0; |
| } |
| |
| @Test |
| public void callBlacklistedPublicMethodRealMethod() throws Exception { |
| Context targetContext = InstrumentationRegistry.getTargetContext(); |
| |
| FrameLayout child = new FrameLayout(targetContext); |
| FrameLayout parent = spy(new FrameLayout(targetContext)); |
| |
| if (isDebuggable()) { |
| // This calls a blacklisted public method. |
| // Since Android P these methods are not callable from outside of the Android framework |
| // anymore: |
| // |
| // https://android-developers.googleblog.com/2018/02/ |
| // improving-stability-by-reducing-usage.html |
| // |
| // Hence if we use a subclass mock this will fail. Inline mocking does not have this |
| // problem as the mock class is the same as the mocked class. |
| parent.addView(child); |
| } else { |
| try { |
| parent.addView(child); |
| fail(); |
| } catch (NoSuchMethodError expected) { |
| // expected |
| } |
| } |
| } |
| |
| @Test |
| public void copyBlacklistedFields() throws Exception { |
| assumeTrue(isDebuggable()); |
| |
| Context targetContext = InstrumentationRegistry.getTargetContext(); |
| |
| FrameLayout child = new FrameLayout(targetContext); |
| FrameLayout parent = spy(new FrameLayout(targetContext)); |
| |
| parent.addView(child); |
| |
| // During cloning of the parent spy, all fields are copied. This accesses a blacklisted |
| // fields. Since Android P these fields are not visible from outside of the Android |
| // framework anymore: |
| // |
| // https://android-developers.googleblog.com/2018/02/ |
| // improving-stability-by-reducing-usage.html |
| // |
| // As 'measure' requires the fields to be initialized, this fails if the fields are not |
| // copied. |
| parent.measure(100, 100); |
| } |
| |
| @Test |
| public void cannotCallBlackListedAfterSpying() { |
| // Spying and mocking might change the View class's byte code |
| spy(new View(InstrumentationRegistry.getTargetContext(), null)); |
| mock(View.class); |
| |
| // View#setNotifyAutofillManagerOnClick is a blacklisted method. Resolving it should fail |
| try { |
| View.class.getDeclaredMethod("setNotifyAutofillManagerOnClick", Boolean.TYPE); |
| fail(); |
| } catch (NoSuchMethodException expected) { |
| // expected |
| } |
| } |
| |
| public class CallBlackListedMethod { |
| public boolean callingBlacklistedMethodCausesException() { |
| // Settings.Global#isValidZenMode is a blacklisted method. Resolving it should fail |
| try { |
| Settings.Global.class.getDeclaredMethod("isValidZenMode", Integer.TYPE); |
| return false; |
| } catch (NoSuchMethodException expected) { |
| return true; |
| } |
| } |
| } |
| |
| @Test |
| public void spiesCannotBeUsedToCallHiddenMethods() { |
| CallBlackListedMethod t = spy(new CallBlackListedMethod()); |
| assertTrue(t.callingBlacklistedMethodCausesException()); |
| } |
| |
| public abstract class CallBlacklistedMethodAbstract { |
| public boolean callingBlacklistedMethodCausesException() { |
| // Settings.Global#isValidZenMode is a blacklisted method. Resolving it should fail |
| try { |
| Settings.Global.class.getDeclaredMethod("isValidZenMode", Integer.TYPE); |
| return false; |
| } catch (NoSuchMethodException expected) { |
| return true; |
| } |
| } |
| |
| public abstract void unused(); |
| } |
| |
| @Test |
| public void mocksOfAbstractClassesCannotBeUsedToCallHiddenMethods() { |
| CallBlacklistedMethodAbstract t = mock(CallBlacklistedMethodAbstract.class); |
| doCallRealMethod().when(t).callingBlacklistedMethodCausesException(); |
| assertTrue(t.callingBlacklistedMethodCausesException()); |
| } |
| } |