camera/camera-camera2-pipe/src/test/java/androidx/camera/camera2/pipe/RequestTest.kt

/*
 * 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

import android.hardware.camera2.CaptureRequest
import android.os.Build
import androidx.camera.camera2.pipe.testing.CameraPipeRobolectricTestRunner
import androidx.camera.camera2.pipe.testing.FakeMetadata
import com.google.common.truth.Truth.assertThat
import org.junit.Test
import org.junit.runner.RunWith
import org.robolectric.annotation.Config

@RunWith(CameraPipeRobolectricTestRunner::class)
@Config(minSdk = Build.VERSION_CODES.LOLLIPOP)
class RequestTest {

    @Test
    fun requestHasDefaults() {
        val request = Request(listOf(StreamId(1)))

        assertThat(request.requestParameters).isEmpty()
        assertThat(request.extraRequestParameters).isEmpty()
        assertThat(request.template).isNull()
        assertThat(request.listeners).isEmpty()

        assertThat(request.streams).contains(StreamId(1))
    }

    @Test
    fun canReadCaptureParameters() {
        val request = Request(
            listOf(StreamId(1)),
            requestParameters = mapOf(
                CaptureRequest.EDGE_MODE to CaptureRequest.EDGE_MODE_HIGH_QUALITY
            ),
            extraRequestParameters = mapOf(FakeMetadata.TEST_KEY to 42)
        )

        // Check with a valid test key
        assertThat(request[FakeMetadata.TEST_KEY]).isEqualTo(42)
        assertThat(request.getOrDefault(FakeMetadata.TEST_KEY, default = 24)).isEqualTo(42)

        // Check with an invalid test key
        assertThat(request[FakeMetadata.TEST_KEY_ABSENT]).isNull()
        assertThat(request.getOrDefault(FakeMetadata.TEST_KEY_ABSENT, default = 24)).isEqualTo(24)

        // Check with a valid test key
        assertThat(request.get(CaptureRequest.EDGE_MODE))
            .isEqualTo(CaptureRequest.EDGE_MODE_HIGH_QUALITY)
        assertThat(request.getOrDefault(CaptureRequest.EDGE_MODE, default = 24))
            .isEqualTo(CaptureRequest.EDGE_MODE_HIGH_QUALITY)

        // Check with an invalid test key
        assertThat(request.get(CaptureRequest.CONTROL_AE_MODE)).isNull()
        assertThat(
            request.getOrDefault(
                CaptureRequest.CONTROL_AE_MODE, default = CaptureRequest.CONTROL_AE_MODE_ON
            )
        ).isEqualTo(CaptureRequest.CONTROL_AE_MODE_ON)
    }
}