| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * 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 androidx.camera.core; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| |
| import static org.mockito.Mockito.mock; |
| |
| import android.content.Context; |
| import android.os.Build; |
| |
| import androidx.camera.testing.fakes.FakeCamera; |
| import androidx.camera.testing.fakes.FakeCameraDeviceSurfaceManager; |
| import androidx.camera.testing.fakes.FakeCameraFactory; |
| import androidx.camera.testing.fakes.FakeCameraInfoInternal; |
| import androidx.camera.testing.fakes.FakeUseCaseConfig; |
| import androidx.test.core.app.ApplicationProvider; |
| import androidx.test.filters.SmallTest; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.robolectric.RobolectricTestRunner; |
| import org.robolectric.annotation.Config; |
| import org.robolectric.annotation.internal.DoNotInstrument; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.concurrent.ExecutionException; |
| |
| @SmallTest |
| @RunWith(RobolectricTestRunner.class) |
| @DoNotInstrument |
| @Config(minSdk = Build.VERSION_CODES.LOLLIPOP) |
| public class CameraSelectorTest { |
| private CameraInternal mRearCamera; |
| private CameraInternal mFrontCamera; |
| private static final String REAR_ID = "0"; |
| private static final String FRONT_ID = "1"; |
| private Set<String> mCameraIds = new HashSet<>(); |
| |
| @Before |
| public void setUp() throws ExecutionException, InterruptedException { |
| Context context = ApplicationProvider.getApplicationContext(); |
| CameraDeviceSurfaceManager surfaceManager = new FakeCameraDeviceSurfaceManager(); |
| ExtendableUseCaseConfigFactory defaultConfigFactory = new ExtendableUseCaseConfigFactory(); |
| defaultConfigFactory.installDefaultProvider(FakeUseCaseConfig.class, |
| new ConfigProvider<FakeUseCaseConfig>() { |
| @Override |
| public FakeUseCaseConfig getConfig(LensFacing lensFacing) { |
| return new FakeUseCaseConfig.Builder().build(); |
| } |
| }); |
| FakeCameraFactory cameraFactory = new FakeCameraFactory(); |
| mRearCamera = new FakeCamera(mock(CameraControlInternal.class), |
| new FakeCameraInfoInternal(0, |
| LensFacing.BACK)); |
| cameraFactory.insertCamera(LensFacing.BACK, REAR_ID, () -> mRearCamera); |
| cameraFactory.setDefaultCameraIdForLensFacing(LensFacing.BACK, REAR_ID); |
| mFrontCamera = new FakeCamera(mock(CameraControlInternal.class), |
| new FakeCameraInfoInternal(0, |
| LensFacing.FRONT)); |
| cameraFactory.insertCamera(LensFacing.FRONT, FRONT_ID, () -> mFrontCamera); |
| cameraFactory.setDefaultCameraIdForLensFacing(LensFacing.FRONT, FRONT_ID); |
| AppConfig.Builder appConfigBuilder = |
| new AppConfig.Builder() |
| .setCameraFactory(cameraFactory) |
| .setDeviceSurfaceManager(surfaceManager) |
| .setUseCaseConfigFactory(defaultConfigFactory); |
| CameraX.initialize(context, appConfigBuilder.build()).get(); |
| mCameraIds.add(REAR_ID); |
| mCameraIds.add(FRONT_ID); |
| } |
| |
| @After |
| public void tearDown() throws ExecutionException, InterruptedException { |
| CameraX.shutdown().get(); |
| } |
| |
| @Test |
| public void canSelectWithLensFacing() { |
| CameraSelector.Builder cameraSelectorBuilder = new CameraSelector.Builder(); |
| cameraSelectorBuilder.requireLensFacing(LensFacing.BACK); |
| String result = cameraSelectorBuilder.build().select(mCameraIds); |
| assertThat(result).isEqualTo(REAR_ID); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void exception_ifNoAvailableCamera() { |
| CameraSelector.Builder cameraSelectorBuilder = new CameraSelector.Builder(); |
| cameraSelectorBuilder.requireLensFacing(LensFacing.BACK).requireLensFacing( |
| LensFacing.FRONT); |
| cameraSelectorBuilder.build().select(mCameraIds); |
| } |
| |
| @Test |
| public void canGetLensFacing() { |
| CameraSelector.Builder cameraSelectorBuilder = new CameraSelector.Builder(); |
| cameraSelectorBuilder.requireLensFacing(LensFacing.BACK); |
| assertThat(cameraSelectorBuilder.build().getLensFacing()).isEqualTo(LensFacing.BACK); |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void exception_ifGetLensFacingConflicted() { |
| CameraSelector.Builder cameraSelectorBuilder = new CameraSelector.Builder(); |
| cameraSelectorBuilder.requireLensFacing(LensFacing.BACK).requireLensFacing( |
| LensFacing.FRONT); |
| cameraSelectorBuilder.build().getLensFacing(); |
| } |
| |
| @Test |
| public void canAppendFilters() { |
| CameraIdFilter filter0 = mock(CameraIdFilter.class); |
| CameraIdFilter filter1 = mock(CameraIdFilter.class); |
| CameraIdFilter filter2 = mock(CameraIdFilter.class); |
| |
| CameraSelector cameraSelector = new CameraSelector.Builder() |
| .appendFilter(filter0) |
| .appendFilter(filter1) |
| .appendFilter(filter2) |
| .build(); |
| |
| assertThat(cameraSelector.getCameraFilterSet()).containsAtLeast(filter0, filter1, filter2); |
| } |
| } |
