/*
 * Copyright � 2016 TIBCO Software,Inc.All rights reserved.
 * http://community.jaspersoft.com/project/jaspermobile-android
 *
 * Unless you have purchased a commercial license agreement from TIBCO Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of TIBCO Jaspersoft Mobile for Android.
 *
 * TIBCO Jaspersoft Mobile is free software:you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation,either version 3of the License,or
 * (at your option)any later version.
 *
 * TIBCO Jaspersoft Mobile is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY;without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with TIBCO Jaspersoft Mobile for Android.If not,see
 * <http://www.gnu.org/licenses/lgpl>.
 */

package com.jaspersoft.android.jaspermobile.domain.interactor;

import com.jaspersoft.android.jaspermobile.FakePostExecutionThread;
import com.jaspersoft.android.jaspermobile.FakePreExecutionThread;
import com.jaspersoft.android.jaspermobile.domain.executor.PostExecutionThread;
import com.jaspersoft.android.jaspermobile.domain.executor.PreExecutionThread;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import rx.Observable;
import rx.observers.TestSubscriber;
import rx.schedulers.TestScheduler;

import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.when;

/**
 * @author Tom Koptel
 * @since 2.3
 */
public class SimpleUseCaseTest {
    private SimpleUseCaseTestClass useCase;

    @Mock
    private PreExecutionThread mockPreExecutionThread;
    @Mock
    private PostExecutionThread mockPostExecutionThread;

    @Before
    public void setUp() {
        MockitoAnnotations.initMocks(this);
        this.useCase = new SimpleUseCaseTestClass(
                FakePreExecutionThread.create(),
                FakePostExecutionThread.create()
        );
    }

    @Test
    @SuppressWarnings("unchecked")
    public void testBuildUseCaseObservableReturnCorrectResult() {
        TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();
        TestScheduler testScheduler = new TestScheduler();
        when(mockPostExecutionThread.getScheduler()).thenReturn(testScheduler);

        useCase.execute(testSubscriber);

        assertThat(testSubscriber.getOnNextEvents().size(), is(0));
    }

    @Test
    public void testSubscriptionWhenExecutingUseCase() {
        TestSubscriber<Integer> testSubscriber = new TestSubscriber<>();

        useCase.execute(testSubscriber);
        useCase.unsubscribe();

        assertThat(testSubscriber.isUnsubscribed(), is(true));
    }

    private static class SimpleUseCaseTestClass extends AbstractSimpleUseCase {
        protected SimpleUseCaseTestClass(
                PreExecutionThread preExecutionThread,
                PostExecutionThread postExecutionThread) {
            super(preExecutionThread, postExecutionThread);
        }

        @Override
        protected Observable buildUseCaseObservable() {
            return Observable.empty();
        }
    }
}