StartActionTest.java

package com.mumux.androidtesting.actions;

import com.mumux.androidtesting.actions.impl.ActionUtils;
import com.mumux.androidtesting.actions.impl.StartAction;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

import java.io.InputStream;

import static org.mockito.Matchers.any;
import static org.mockito.Mockito.when;
import static org.powermock.api.mockito.PowerMockito.mockStatic;

@RunWith(PowerMockRunner.class)
@PrepareForTest({ActionUtils.class, ProcessBuilder.class})
public class StartActionTest {

    @Mock
    ProcessBuilder pb;
    @Mock
    Process proc;

    @Test
    //Solve Issue with mocking Process Builder
    public void testSuccess() throws Exception {
        Action action = new StartAction();
        action.setValues(new Object[]{"XXX"});

        //ProcessBuilder pb = PowerMockito.mock(ProcessBuilder.class);
        //PowerMockito.whenNew(ProcessBuilder.class).withParameterTypes(String[].class).
        //        withArguments(anyVararg()).thenReturn(pb);
        //when(pb.start()).thenReturn(null);
        //PowerMockito.whenNew(ProcessBuilder.class).withParameterTypes(List.class).withArguments(isA(ArrayList.class)).thenReturn(pb);
        //Mockito.when(pb.start()).thenReturn(null);

        mockStatic(ActionUtils.class);
        // Used by message stream
        when(ActionUtils.getString(any(InputStream.class))).thenReturn("");
        Runtime runtime = Runtime.getRuntime();
        Assert.assertNull(action.run(null, runtime));
    }


    @Test
    //TODO Solve
    public void testFailure() throws Exception {
        Action action = new StartAction();
        action.setValues(new Object[]{"XXX"});

        // ProcessBuilder pb = PowerMockito.mock(ProcessBuilder.class);
        //PowerMockito.whenNew(ProcessBuilder.class).withAnyArguments().thenReturn(pb);
        //when(pb.start()).thenReturn(null);

        mockStatic(ActionUtils.class);
        // Used by message stream
        String errorMessage = "Error: Activity not started, unable to resolve Intent...";
        when(ActionUtils.getString(any(InputStream.class))).thenReturn(errorMessage);
        Assert.assertEquals(errorMessage, action.run(null, Runtime.getRuntime()));

    }


}