| /* |
| * Copyright 2020 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.camera2.pipe.impl |
| |
| import android.content.Context |
| import android.os.Build |
| import androidx.camera.camera2.pipe.CameraGraph |
| import androidx.camera.camera2.pipe.CameraId |
| import androidx.camera.camera2.pipe.Request |
| import androidx.camera.camera2.pipe.RequestTemplate |
| import androidx.camera.camera2.pipe.testing.CameraPipeRobolectricTestRunner |
| import androidx.camera.camera2.pipe.testing.FakeGraphProcessor |
| import androidx.test.core.app.ApplicationProvider |
| import androidx.test.filters.SmallTest |
| import com.google.common.truth.Truth.assertThat |
| import kotlinx.coroutines.runBlocking |
| import org.junit.Before |
| import org.junit.Test |
| import org.junit.runner.RunWith |
| import org.robolectric.annotation.Config |
| import org.robolectric.annotation.internal.DoNotInstrument |
| |
| @SmallTest |
| @RunWith(CameraPipeRobolectricTestRunner::class) |
| @DoNotInstrument |
| @Config(minSdk = Build.VERSION_CODES.LOLLIPOP) |
| class CameraGraphImplTest { |
| private val graphProcessor = FakeGraphProcessor() |
| private lateinit var impl: CameraGraphImpl |
| |
| @Before |
| fun setUp() { |
| val config = CameraGraph.Config( |
| camera = CameraId("0"), |
| streams = listOf(), |
| defaultTemplate = RequestTemplate(0) |
| ) |
| val context = ApplicationProvider.getApplicationContext() as Context |
| impl = CameraGraphImpl(context, config, graphProcessor, StreamMap()) |
| } |
| |
| @Test |
| fun createCameraGraphImpl() { |
| assertThat(impl).isNotNull() |
| } |
| |
| @Test |
| fun testAcquireSession() = runBlocking { |
| val session = impl.acquireSession() |
| assertThat(session).isNotNull() |
| } |
| |
| @Test |
| fun testAcquireSessionOrNull() { |
| val session = impl.acquireSessionOrNull() |
| assertThat(session).isNotNull() |
| } |
| |
| @Test |
| fun testAcquireSessionOrNullAfterAcquireSession() = runBlocking { |
| val session = impl.acquireSession() |
| assertThat(session).isNotNull() |
| |
| // Since a session is already active, an attempt to acquire another session will fail. |
| val session1 = impl.acquireSessionOrNull() |
| assertThat(session1).isNull() |
| |
| // Closing an active session should allow a new session instance to be created. |
| session.close() |
| |
| val session2 = impl.acquireSessionOrNull() |
| assertThat(session2).isNotNull() |
| } |
| |
| @Test |
| fun sessionSubmitsRequestsToGraphProcessor() { |
| val session = checkNotNull(impl.acquireSessionOrNull()) |
| val request = Request(listOf()) |
| session.submit(request) |
| |
| assertThat(graphProcessor.requestQueue).contains(listOf(request)) |
| } |
| |
| @Test |
| fun sessionSetsRepeatingRequestOnGraphProcessor() { |
| val session = checkNotNull(impl.acquireSessionOrNull()) |
| val request = Request(listOf()) |
| session.setRepeating(request) |
| |
| assertThat(graphProcessor.repeatingRequest).isSameInstanceAs(request) |
| } |
| |
| @Test |
| fun sessionAbortsRequestOnGraphProcessor() { |
| val session = checkNotNull(impl.acquireSessionOrNull()) |
| val request = Request(listOf()) |
| session.submit(request) |
| session.abort() |
| |
| assertThat(graphProcessor.requestQueue).isEmpty() |
| } |
| |
| @Test |
| fun closingSessionDoesNotCloseGraphProcessor() { |
| val session = impl.acquireSessionOrNull() |
| checkNotNull(session).close() |
| |
| assertThat(graphProcessor.closed).isFalse() |
| } |
| |
| @Test |
| fun closingCameraGraphClosesGraphProcessor() { |
| impl.close() |
| assertThat(graphProcessor.closed).isTrue() |
| } |
| |
| @Test |
| fun stoppingCameraGraphStopsGraphProcessor() { |
| assertThat(graphProcessor.active).isFalse() |
| impl.start() |
| assertThat(graphProcessor.active).isTrue() |
| impl.stop() |
| assertThat(graphProcessor.active).isFalse() |
| impl.start() |
| assertThat(graphProcessor.active).isTrue() |
| impl.close() |
| assertThat(graphProcessor.closed).isTrue() |
| assertThat(graphProcessor.active).isFalse() |
| } |
| } |