Android Open Source - LandscapeVideoCamera Camera Wrapper Test

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Back to project page LandscapeVideoCamera.

License

The source code is released under:

Apache License

Java Source Code

/**
 * Copyright 2014 Jeroen Mols//from  w  w w  .j  a  v  a  2s . co m
 *
 * 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.jmolsmobile.landscapevideocapture.camera;

import android.hardware.Camera;

import com.jmolsmobile.landscapevideocapture.MockitoTestCase;
import com.jmolsmobile.landscapevideocapture.camera.OpenCameraException.OpenType;

import java.util.ArrayList;

import static org.mockito.Mockito.doNothing;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

@SuppressWarnings("deprecation")
public class CameraWrapperTest extends MockitoTestCase {

  public void test_openCameraSuccess() {
    final CameraWrapper spyWrapper = spy(new CameraWrapper());
    final Camera mockCamera = mock(Camera.class);
    doReturn(mockCamera).when(spyWrapper).openCameraFromSystem();

    try {
      spyWrapper.openCamera();
      final Camera camera = spyWrapper.getCamera();
      assertEquals(mockCamera, camera);
    } catch (final OpenCameraException e) {
      fail("Should not throw exception");
    }
  }

  public void test_openCameraNoCamera() {
    final CameraWrapper spyWrapper = spy(new CameraWrapper());
    doReturn(null).when(spyWrapper).openCameraFromSystem();

    try {
      spyWrapper.openCamera();
      fail("Missing exception");
    } catch (final OpenCameraException e) {
      assertEquals(OpenType.NOCAMERA.getMessage(), e.getMessage());
    }
  }

  public void test_openCameraInUse() {
    final CameraWrapper spyWrapper = spy(new CameraWrapper());
    doThrow(new RuntimeException()).when(spyWrapper).openCameraFromSystem();

    try {
      spyWrapper.openCamera();
      fail("Missing exception");
    } catch (final OpenCameraException e) {
      assertEquals(OpenType.INUSE.getMessage(), e.getMessage());
    }
  }

  public void test_prepareCameraShouldCallUnlock() {
    final CameraWrapper spyWrapper = spy(new CameraWrapper());
    doNothing().when(spyWrapper).unlockCameraFromSystem();
    doNothing().when(spyWrapper).storeCameraParametersBeforeUnlocking();

    try {
      spyWrapper.prepareCameraForRecording();
      verify(spyWrapper, times(1)).unlockCameraFromSystem();
    } catch (final PrepareCameraException e) {
      fail("Should not throw exception");
    }
  }

  public void test_prepareCameraWhenRuntimeException() {
    final CameraWrapper spyWrapper = spy(new CameraWrapper());
    doThrow(new RuntimeException()).when(spyWrapper).unlockCameraFromSystem();

    try {
      spyWrapper.prepareCameraForRecording();
      fail("Missing exception");
    } catch (final PrepareCameraException e) {
      assertEquals("Unable to use camera for recording", e.getMessage());
    }
  }

  public void test_releaseCameraWhenCameraNull() {
    final CameraWrapper wrapper = new CameraWrapper();
    wrapper.releaseCamera();
  }

  public void test_releaseCameraWhenCameraNotNull() {
    final CameraWrapper wrapper = spy(new CameraWrapper());
    doNothing().when(wrapper).releaseCameraFromSystem();
    doReturn(mock(Camera.class)).when(wrapper).getCamera();
    wrapper.releaseCamera();

    verify(wrapper, times(1)).releaseCameraFromSystem();
  }

  public void test_prepareCameraWhenCameraNull() {
    final CameraWrapper wrapper = new CameraWrapper();

    try {
      wrapper.prepareCameraForRecording();
      fail("Missing exception");
    } catch (final PrepareCameraException e) {
      assertEquals("Unable to use camera for recording", e.getMessage());
    }
  }

    public void test_getSupportedRecordingSizeTooBig() {
        final CameraWrapper wrapper = spy(new CameraWrapper());
        ArrayList<Camera.Size> sizes = new ArrayList<>();
        sizes.add(mock(Camera.class).new Size(640, 480));
        doReturn(sizes).when(wrapper).getSupportedVideoSizes();

        RecordingSize supportedRecordingSize = wrapper.getSupportedRecordingSize(1920, 1080);

        assertEquals(supportedRecordingSize.width, 640);
        assertEquals(supportedRecordingSize.height, 480);
    }

    public void test_getSupportedRecordingSizeTooSmall() {
        final CameraWrapper wrapper = spy(new CameraWrapper());
        ArrayList<Camera.Size> sizes = new ArrayList<>();
        sizes.add(mock(Camera.class).new Size(640, 480));
        doReturn(sizes).when(wrapper).getSupportedVideoSizes();

        RecordingSize supportedRecordingSize = wrapper.getSupportedRecordingSize(320, 240);

        assertEquals(supportedRecordingSize.width, 640);
        assertEquals(supportedRecordingSize.height, 480);
    }
}

Java Source Code List

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