MvpGwtTestInSuite.java

/*
 * Copyright 2011 ArcBees 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.gwtplatform.mvp.client.gwt.mvp;

import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.junit.client.GWTTestCase;
import com.gwtplatform.mvp.client.PopupViewCloseHandler;
import com.gwtplatform.mvp.shared.proxy.PlaceRequest;
import com.gwtplatform.mvp.shared.proxy.PlaceRequest.Builder;

import junit.framework.TestCase;

/**
 * Integration test for various components of GWTP's MVP module.
 */
public class MvpGwtTestInSuite extends GWTTestCase {
    GinjectorTestUtilGwt ginjector;
    MainPresenterTestUtilGwt presenter;

    @Override
    public String getModuleName() {
        return "com.gwtplatform.mvp.MvpGwtTest";
    }

    @Override
    protected void gwtSetUp() throws Exception {
        super.gwtSetUp();

        InstantiationCounterTestUtilGwt.resetCounter();
        ginjector = GWT.create(GinjectorTestUtilGwt.class);
        presenter = ginjector.getMainPresenter().get();
    }

    /**
     * Verifies that the ginjector is created only once.
     */
    public void testShouldCreateOnlyOneGinjector() {
        ginjector.getPlaceManager().revealCurrentPlace();

        assertEquals(1, InstantiationCounterTestUtilGwt.getCounter());
    }

    public void testPopupViewCloseHandlerNotCalledWhenShown() {
        delayTestFinish(1000);
        runTest(() -> {
            PopupPresenterTestUtilGwt popupPresenter = ginjector.getPopupPresenter().get();
            popupPresenter.asWidget().addAttachHandler(event -> {
                if (event.isAttached()) {
                    finishTest();
                } else {
                    fail();
                }
            });

            ginjector.getPlaceManager().revealDefaultPlace();

            final PopupViewCloseHandler closeHandler = TestCase::fail;

            Scheduler.get().scheduleDeferred(() -> presenter.showPopup(closeHandler));
        });
    }

    public void testPopupViewCloseHandlerIsCalledWhenHidden() {
        delayTestFinish(1000);
        runTest(() -> {
            PopupPresenterTestUtilGwt popupPresenter = ginjector.getPopupPresenter().get();

            final PopupViewCloseHandler closeHandler = this::finishTest;

            popupPresenter.getView().setCloseHandler(closeHandler);
            popupPresenter.getView().hide();
        });
    }

    /**
     * Verify multiple name tokens.
     */
    public void testMultipleTokens() {
        delayTestFinish(1000);
        ginjector.getPlaceManager().revealDefaultPlace();

        runTest(() -> {
            assertTrue(ginjector.getMainPresenter().get().isVisible());
            assertFalse(ginjector.getAdminPresenter().get().isVisible());

            revealAdmin();
        });
    }

    private void revealAdmin() {
        PlaceRequest placeRequest = new Builder().nameToken("admin").build();
        ginjector.getPlaceManager().revealPlace(placeRequest);

        runTest(() -> {
            assertFalse(ginjector.getMainPresenter().get().isVisible());
            assertTrue(ginjector.getAdminPresenter().get().isVisible());

            revealHomePlace();
        });
    }

    private void revealHomePlace() {
        PlaceRequest placeRequest = new Builder().nameToken("home").build();
        ginjector.getPlaceManager().revealPlace(placeRequest);

        runTest(() -> {
            assertTrue(ginjector.getMainPresenter().get().isVisible());
            assertFalse(ginjector.getAdminPresenter().get().isVisible());

            revealSelfService();
        });
    }

    private void revealSelfService() {
        PlaceRequest placeRequest = new Builder().nameToken("selfService").build();
        ginjector.getPlaceManager().revealPlace(placeRequest);

        runTest(() -> {
            assertFalse(ginjector.getMainPresenter().get().isVisible());
            assertTrue(ginjector.getAdminPresenter().get().isVisible());

            finishTest();
        });
    }

    private void runTest(ScheduledCommand test) {
        Scheduler.get().scheduleDeferred(test);
    }
}