| /* |
| * Copyright 2022 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.integration.core |
| |
| import android.Manifest |
| import android.content.Context |
| import android.hardware.camera2.CameraCharacteristics |
| import androidx.camera.camera2.Camera2Config |
| import androidx.camera.camera2.interop.Camera2CameraInfo |
| import androidx.camera.core.Camera |
| import androidx.camera.core.CameraSelector |
| import androidx.camera.integration.core.CameraXActivity.BIND_IMAGE_ANALYSIS |
| import androidx.camera.integration.core.CameraXActivity.BIND_IMAGE_CAPTURE |
| import androidx.camera.integration.core.CameraXActivity.BIND_PREVIEW |
| import androidx.camera.integration.core.CameraXActivity.BIND_VIDEO_CAPTURE |
| import androidx.camera.integration.core.util.StressTestUtil.HOME_TIMEOUT_MS |
| import androidx.camera.integration.core.util.StressTestUtil.STRESS_TEST_OPERATION_REPEAT_COUNT |
| import androidx.camera.integration.core.util.StressTestUtil.STRESS_TEST_REPEAT_COUNT |
| import androidx.camera.integration.core.util.StressTestUtil.VERIFICATION_TARGET_IMAGE_ANALYSIS |
| import androidx.camera.integration.core.util.StressTestUtil.VERIFICATION_TARGET_IMAGE_CAPTURE |
| import androidx.camera.integration.core.util.StressTestUtil.VERIFICATION_TARGET_PREVIEW |
| import androidx.camera.integration.core.util.StressTestUtil.VERIFICATION_TARGET_VIDEO_CAPTURE |
| import androidx.camera.integration.core.util.StressTestUtil.assumeCameraSupportUseCaseCombination |
| import androidx.camera.integration.core.util.StressTestUtil.createCameraSelectorById |
| import androidx.camera.integration.core.util.StressTestUtil.launchCameraXActivityAndWaitForPreviewReady |
| import androidx.camera.lifecycle.ProcessCameraProvider |
| import androidx.camera.testing.CameraUtil |
| import androidx.camera.testing.CoreAppTestUtil |
| import androidx.camera.testing.LabTestRule |
| import androidx.camera.testing.StressTestRule |
| import androidx.camera.testing.fakes.FakeLifecycleOwner |
| import androidx.test.core.app.ApplicationProvider |
| import androidx.test.filters.LargeTest |
| import androidx.test.filters.SdkSuppress |
| import androidx.test.platform.app.InstrumentationRegistry |
| import androidx.test.rule.GrantPermissionRule |
| import androidx.test.uiautomator.UiDevice |
| import androidx.testutils.RepeatRule |
| import java.util.concurrent.TimeUnit |
| import kotlinx.coroutines.Dispatchers |
| import kotlinx.coroutines.runBlocking |
| import kotlinx.coroutines.withContext |
| import org.junit.After |
| import org.junit.Assume |
| import org.junit.Before |
| import org.junit.ClassRule |
| import org.junit.Rule |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.junit.runners.Parameterized |
| |
| @LargeTest |
| @RunWith(Parameterized::class) |
| @SdkSuppress(minSdkVersion = 21) |
| class SwitchCameraStressTest( |
| private val cameraId: String |
| ) { |
| private val device = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation()) |
| |
| @get:Rule |
| val useCamera = CameraUtil.grantCameraPermissionAndPreTest( |
| CameraUtil.PreTestCameraIdList(Camera2Config.defaultConfig()) |
| ) |
| |
| @get:Rule |
| val permissionRule: GrantPermissionRule = |
| GrantPermissionRule.grant( |
| Manifest.permission.WRITE_EXTERNAL_STORAGE, |
| Manifest.permission.RECORD_AUDIO |
| ) |
| |
| @get:Rule |
| val labTest: LabTestRule = LabTestRule() |
| |
| @get:Rule |
| val repeatRule = RepeatRule() |
| |
| private val context = ApplicationProvider.getApplicationContext<Context>() |
| |
| private lateinit var cameraProvider: ProcessCameraProvider |
| private lateinit var camera: Camera |
| private lateinit var cameraIdCameraSelector: CameraSelector |
| |
| companion object { |
| @ClassRule |
| @JvmField val stressTest = StressTestRule() |
| |
| @JvmStatic |
| @get:Parameterized.Parameters(name = "cameraId = {0}") |
| val parameters: Collection<String> |
| get() = CameraUtil.getBackwardCompatibleCameraIdListOrThrow() |
| } |
| |
| @Before |
| fun setup(): Unit = runBlocking { |
| Assume.assumeTrue(CameraUtil.deviceHasCamera()) |
| CoreAppTestUtil.assumeCompatibleDevice() |
| // Clear the device UI and check if there is no dialog or lock screen on the top of the |
| // window before start the test. |
| CoreAppTestUtil.prepareDeviceUI(InstrumentationRegistry.getInstrumentation()) |
| // Use the natural orientation throughout these tests to ensure the activity isn't |
| // recreated unexpectedly. This will also freeze the sensors until |
| // mDevice.unfreezeRotation() in the tearDown() method. Any simulated rotations will be |
| // explicitly initiated from within the test. |
| device.setOrientationNatural() |
| |
| cameraProvider = ProcessCameraProvider.getInstance(context)[10000, TimeUnit.MILLISECONDS] |
| |
| cameraIdCameraSelector = createCameraSelectorById(cameraId) |
| |
| camera = withContext(Dispatchers.Main) { |
| cameraProvider.bindToLifecycle(FakeLifecycleOwner(), cameraIdCameraSelector) |
| } |
| } |
| |
| @After |
| fun tearDown(): Unit = runBlocking { |
| if (::cameraProvider.isInitialized) { |
| withContext(Dispatchers.Main) { |
| cameraProvider.unbindAll() |
| cameraProvider.shutdown()[10000, TimeUnit.MILLISECONDS] |
| } |
| } |
| |
| // Unfreeze rotation so the device can choose the orientation via its own policy. Be nice |
| // to other tests :) |
| device.unfreezeRotation() |
| device.pressHome() |
| device.waitForIdle(HOME_TIMEOUT_MS) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkPreviewInEachTime_withPreviewImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkImageCaptureInEachTime_withPreviewImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkPreviewInEachTime_withPreviewImageCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE or BIND_IMAGE_ANALYSIS |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkImageCaptureInEachTime_withPreviewImageCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE or BIND_IMAGE_ANALYSIS |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkImageAnalysisInEachTime_withPreviewImageCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE or BIND_IMAGE_ANALYSIS |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_ANALYSIS |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkPreviewInEachTime_withPreviewVideoCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkVideoCaptureInEachTime_withPreviewVideoCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_VIDEO_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkPreviewInEachTime_withPreviewVideoCaptureImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_CAPTURE |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkVideoCaptureInEachTime_withPreviewVideoCaptureImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_CAPTURE |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_VIDEO_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkImageCaptureInEachTime_withPreviewVideoCaptureImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_CAPTURE |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkPreviewInEachTime_withPreviewVideoCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_ANALYSIS |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkVideoCaptureInEachTime_withPreviewVideoCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_ANALYSIS |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_VIDEO_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun switchCamera_checkImageAnalysisInEachTime_withPreviewVideoCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_ANALYSIS |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_checkOutput_repeatedly( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_ANALYSIS |
| ) |
| } |
| |
| /** |
| * Repeatedly switch the cameras and checks the use cases' capture functions can work. |
| */ |
| private fun switchCamera_checkOutput_repeatedly( |
| cameraId: String, |
| useCaseCombination: Int, |
| verificationTarget: Int, |
| repeatCount: Int = STRESS_TEST_OPERATION_REPEAT_COUNT |
| ) { |
| // Launches CameraXActivity and wait for the preview ready. |
| val activityScenario = |
| launchCameraXActivityAndWaitForPreviewReady(cameraId, useCaseCombination) |
| |
| // Repeatedly switches camera and checks the test target use case can capture images |
| // successfully. |
| with(activityScenario) { |
| use { |
| for (i in 1..repeatCount) { |
| // Switches camera and wait for preview idle. |
| switchCameraAndWaitForViewfinderIdle() |
| |
| // Checks Preview can receive frames if it is the test target use case. |
| if (verificationTarget.and(VERIFICATION_TARGET_PREVIEW) != 0) { |
| waitForViewfinderIdle() |
| } |
| |
| // Checks ImageCapture can take a picture if it is the test target use case. |
| if (verificationTarget.and(VERIFICATION_TARGET_IMAGE_CAPTURE) != 0) { |
| takePictureAndWaitForImageSavedIdle() |
| } |
| |
| // Checks VideoCapture can record a video if it is the test target use case. |
| if (verificationTarget.and(VERIFICATION_TARGET_VIDEO_CAPTURE) != 0) { |
| recordVideoAndWaitForVideoSavedIdle() |
| } |
| |
| // Checks ImageAnalysis can receive frames if it is the test target use case. |
| if (verificationTarget.and(VERIFICATION_TARGET_IMAGE_ANALYSIS) != 0) { |
| waitForImageAnalysisIdle() |
| } |
| } |
| } |
| } |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkPreview_afterSwitchCameraRepeatedly_withPreviewImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkImageCapture_afterSwitchCameraRepeatedly_withPreviewImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkPreview_afterSwitchCameraRepeatedly_withPreviewImageCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE or BIND_IMAGE_ANALYSIS |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkImageCapture_afterSwitchCameraRepeatedly_withPreviewImageCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE or BIND_IMAGE_ANALYSIS |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkImageAnalysis_afterSwitchCameraRepeatedly_withPreviewImageCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_IMAGE_CAPTURE or BIND_IMAGE_ANALYSIS |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_ANALYSIS |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkPreview_afterSwitchCameraRepeatedly_withPreviewVideoCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkVideoCapture_afterSwitchCameraRepeatedly_withPreviewVideoCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_VIDEO_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkPreview_afterSwitchCameraRepeatedly_withPreviewVideoCaptureImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_CAPTURE |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkVideoCapture_afterSwitchCameraRepeatedly_withPreviewVideoCaptureImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_CAPTURE |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_VIDEO_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkImageCapture_afterSwitchCameraRepeatedly_withPreviewVideoCaptureImageCapture() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_CAPTURE |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkVideoCapture_afterSwitchCameraRepeatedly_withPreviewVideoCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_ANALYSIS |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_VIDEO_CAPTURE |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkImageAnalysis_afterSwitchCameraRepeatedly_withPreviewVideoCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_ANALYSIS |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_IMAGE_ANALYSIS |
| ) |
| } |
| |
| @LabTestRule.LabTestOnly |
| @Test |
| @RepeatRule.Repeat(times = STRESS_TEST_REPEAT_COUNT) |
| fun checkPreview_afterSwitchCameraRepeatedly_withPreviewVideoCaptureImageAnalysis() { |
| val useCaseCombination = BIND_PREVIEW or BIND_VIDEO_CAPTURE or BIND_IMAGE_ANALYSIS |
| assumeBothLensFacingCamerasSupportUseCaseCombination(camera, useCaseCombination) |
| switchCamera_repeatedly_thenCheckOutput( |
| cameraId, |
| useCaseCombination, |
| VERIFICATION_TARGET_PREVIEW |
| ) |
| } |
| |
| /** |
| * Switch the cameras repeatedly,and then checks the use cases' capture functions can work. |
| */ |
| private fun switchCamera_repeatedly_thenCheckOutput( |
| cameraId: String, |
| useCaseCombination: Int, |
| verificationTarget: Int, |
| repeatCount: Int = STRESS_TEST_OPERATION_REPEAT_COUNT |
| ) { |
| // Launches CameraXActivity and wait for the preview ready. |
| val activityScenario = |
| launchCameraXActivityAndWaitForPreviewReady(cameraId, useCaseCombination) |
| |
| // Switches camera repeatedly, and then checks the test target use case can capture images |
| // successfully. |
| with(activityScenario) { |
| use { |
| for (i in 1..repeatCount) { |
| // Switches camera and wait for preview idle. |
| switchCameraAndWaitForViewfinderIdle() |
| } |
| |
| // Checks Preview can receive frames if it is the test target use case. |
| if (verificationTarget.and(VERIFICATION_TARGET_PREVIEW) != 0) { |
| waitForViewfinderIdle() |
| } |
| |
| // Checks ImageCapture can take a picture if it is the test target use case. |
| if (verificationTarget.and(VERIFICATION_TARGET_IMAGE_CAPTURE) != 0) { |
| takePictureAndWaitForImageSavedIdle() |
| } |
| |
| // Checks VideoCapture can record a video if it is the test target use case. |
| if (verificationTarget.and(VERIFICATION_TARGET_VIDEO_CAPTURE) != 0) { |
| recordVideoAndWaitForVideoSavedIdle() |
| } |
| |
| // Checks ImageAnalysis can receive frames if it is the test target use case. |
| if (verificationTarget.and(VERIFICATION_TARGET_IMAGE_ANALYSIS) != 0) { |
| waitForImageAnalysisIdle() |
| } |
| } |
| } |
| } |
| |
| private fun assumeBothLensFacingCamerasSupportUseCaseCombination( |
| camera: Camera, |
| useCaseCombination: Int |
| ): Unit = runBlocking { |
| // Checks whether the input camera can support the use case combination |
| assumeCameraSupportUseCaseCombination(camera, useCaseCombination) |
| |
| val camera2CameraInfo = Camera2CameraInfo.from(camera.cameraInfo) |
| val lensFacing = |
| camera2CameraInfo.getCameraCharacteristic(CameraCharacteristics.LENS_FACING) |
| |
| val otherLensFacingCameraSelector = |
| if (lensFacing == CameraCharacteristics.LENS_FACING_BACK) { |
| CameraSelector.DEFAULT_FRONT_CAMERA |
| } else { |
| CameraSelector.DEFAULT_BACK_CAMERA |
| } |
| |
| val otherLensFacingCamera = withContext(Dispatchers.Main) { |
| cameraProvider.bindToLifecycle(FakeLifecycleOwner(), otherLensFacingCameraSelector) |
| } |
| |
| // Checks whether the camera of the other lens facing can support the use case combination |
| assumeCameraSupportUseCaseCombination(otherLensFacingCamera, useCaseCombination) |
| } |
| } |