MakeDirectoryOperationTest.java

package com.turhanoz.android.reactivedirectorychooser.operation;

import com.turhanoz.android.reactivedirectorychooser.model.DirectoryTree;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
import org.robolectric.annotation.Config;

import java.io.File;

import de.greenrobot.event.EventBus;
import rx.Subscription;

import static org.junit.Assert.assertNotSame;
import static org.mockito.Mockito.mock;

@RunWith(RobolectricTestRunner.class)
@Config(manifest = "library/src/main/AndroidManifest.xml", emulateSdk = 18)
public class MakeDirectoryOperationTest {
    MakeDirectoryOperation sut;
    DirectoryTree directoryTree;
    EventBus mockBus;

    @Before
    public void setUp() throws Exception {
        mockBus = mock(EventBus.class);
        directoryTree = new DirectoryTree(mockBus);
        sut = new MakeDirectoryOperation(directoryTree, mockBus);

    }

    @Test
    public void shouldCreateNewSubscription() throws Exception {
        Subscription mockSubscription = mock(Subscription.class);
        sut.subscription = mockSubscription;

        sut.compute(mock(File.class), "");

        assertNotSame(mockSubscription, sut.subscription);
    }
}