OptionalInjectionTest.java

/*
 * Copyright 2009 Google Inc.
 *
 * 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.google.gwt.inject.client.optional;

import com.google.gwt.core.client.GWT;
import com.google.gwt.junit.client.GWTTestCase;

public class OptionalInjectionTest extends GWTTestCase {

  public void testAvailableInjection() {
    OptionalGinjector injector = GWT.create(OptionalGinjector.class);

    OptionalMembersClass optional = injector.getOptionalMembersClass();

    assertEquals(OptionalGinModule.AVAILABLE, optional.availableMethod);
    assertEquals(OptionalGinModule.AVAILABLE, optional.availableField);
  }

  public void testUnavailableInjection() {
    OptionalGinjector injector = GWT.create(OptionalGinjector.class);

    OptionalMembersClass optional = injector.getOptionalMembersClass();

    assertNull(optional.unavailableMethod);
    assertNull(optional.unavailableField);
  }

  public void testAvailableImplicitInjection() {
    OptionalGinjector injector = GWT.create(OptionalGinjector.class);

    OptionalMembersClass optional = injector.getOptionalMembersClass();

    assertNotNull(optional.availableObject);
  }

  public void testUnavailableImplicitInjection() {
    OptionalGinjector injector = GWT.create(OptionalGinjector.class);

    OptionalMembersClass optional = injector.getOptionalMembersClass();

    assertNull(optional.unavailableObject);
  }

  public void testAvailableImplicitProviderInjection() {
    OptionalGinjector injector = GWT.create(OptionalGinjector.class);

    OptionalMembersClass optional = injector.getOptionalMembersClass();

    assertNotNull(optional.availableProvider);
    assertNotNull(optional.availableProvider.get());
  }

  public void testUnavailableImplicitProviderInjection() {
    OptionalGinjector injector = GWT.create(OptionalGinjector.class);

    OptionalMembersClass optional = injector.getOptionalMembersClass();

    assertNull(optional.unavailableProvider);
  }

  public String getModuleName() {
    return "com.google.gwt.inject.InjectTest";
  }
}