src/android/tests/src/com/google/android/inputmethod/japanese/testing/mocking/AndroidMocksControl.java

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package org.mozc.android.inputmethod.japanese.testing.mocking;

import org.easymock.internal.IProxyFactory;
import org.easymock.internal.MocksControl;

import java.io.File;
import java.lang.reflect.Method;

/**
 */
class AndroidMocksControl extends MocksControl {
  private final File dexCache;

  public AndroidMocksControl(MockType type, File dexCache) {
    super(type);
    this.dexCache = dexCache;
  }

  @Override
  protected <T> IProxyFactory<T> createProxyFactory(Class<T> toMock) {
    if (!toMock.isInterface()) {
      if (dexCache == null) {
        throw new IllegalStateException(
            "To use class mocking on Android, you need to set dexCache");
      }
      // Inject dex-version of the proxy factory.
      return new AndroidProxyFactory<T>(dexCache);
    }
    return super.createProxyFactory(toMock);
  }

  @Override
  public <T> T createMock(final String name, final Class<T> toMock, final Method... mockedMethods) {
    if (!toMock.isInterface()) {
      // Intercept creation of concrete classes' mocks, to set mockedMethods to the instance
      // for partial mocks in dexMaker customized way:
      // - Create a normal mock by invoking super class's method (which eventually invokes
      //   AndroidProxyFactory#create via createProxyFactory overwritten above.)
      // - Set target mock methods via AndroidProxyFactory#getHandler.
      T mock = createMock(name, toMock);
      if (mockedMethods.length > 0) {
        AndroidProxyFactory.getHandler(mock).setMockedMethods(mockedMethods);
      }
      return mock;
    }
    return super.createMock(name, toMock, mockedMethods);
  }

  @Override
  public <T> T createMock(final Class<T> toMock, final Method... mockedMethods) {
    if (!toMock.isInterface()) {
      // Intercept creation of concreate classes' partial mocks. See above method for details.
      T mock = createMock(toMock);
      if (mockedMethods.length > 0) {
        AndroidProxyFactory.getHandler(mock).setMockedMethods(mockedMethods);
      }
      return mock;
    }
    return super.createMock(toMock, mockedMethods);
  }
}