[AE Flicker Test] From a split A|B, apply

/*

 * Copyright (C) 2023 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 com.android.server.wm.flicker.activityembedding

import android.platform.test.annotations.Presubmit

import android.tools.common.traces.component.ComponentNameMatcher

import com.android.server.wm.flicker.rotation.RotationTransition

import android.tools.device.flicker.junit.FlickerParametersRunnerFactory

import android.tools.device.flicker.legacy.FlickerBuilder

import android.tools.device.flicker.legacy.FlickerTest

import android.tools.device.flicker.legacy.FlickerTestFactory

import androidx.test.filters.RequiresDevice

import com.android.server.wm.flicker.helpers.ActivityEmbeddingAppHelper

import org.junit.FixMethodOrder

import org.junit.Test

import org.junit.runner.RunWith

import org.junit.runners.MethodSorters

import org.junit.runners.Parameterized

/**

 * Tests rotating two activities in an Activity Embedding split.

 *

 * Setup: Launch A|B in split with B being the secondary activity.

 * Transitions: Rotate display, and expect A and B to split evenly in new rotation.

 *

 * To run this test: `atest FlickerTests:RotateSplitNoChangeTest`

 */

@RequiresDevice

@RunWith(Parameterized::class)

@Parameterized.UseParametersRunnerFactory(FlickerParametersRunnerFactory::class)

@FixMethodOrder(MethodSorters.NAME_ASCENDING)

open class RotateSplitNoChangeTest(flicker: FlickerTest) : RotationTransition(flicker) {

  override val testApp = ActivityEmbeddingAppHelper(instrumentation)

  override val transition: FlickerBuilder.() -> Unit

    get() = {

      super.transition(this)

      setup {

        testApp.launchViaIntent(wmHelper)

        testApp.launchSecondaryActivity(wmHelper)

      }

    }

  /**

   * Checks that the [ComponentNameMatcher.ROTATION] layer appears during the transition, doesn't

   * flicker, and disappears before the transition is complete

   */

  @Presubmit

  @Test

  fun rotationLayerAppearsAndVanishes() {

    flicker.assertLayers {

      this.isVisible(testApp)

        .then()

        .isVisible(ComponentNameMatcher.ROTATION)

        .then()

        .isVisible(testApp)

        .isInvisible(ComponentNameMatcher.ROTATION)

    }

  }

  /**

   * Overrides inherited assertion because in AE Split, the main and secondary activity are separate

   * layers, each covering up exactly half of the display.

   */

  @Presubmit

  @Test

  override fun appLayerRotates_StartingPos() {

    flicker.assertLayersStart {

      this.entry.displays.map { display ->

        val leftLayerRegion = this.visibleRegion(ActivityEmbeddingAppHelper.MAIN_ACTIVITY_COMPONENT)

        val rightLayerRegion =

          this.visibleRegion(ActivityEmbeddingAppHelper.SECONDARY_ACTIVITY_COMPONENT)

        // Compare dimensions of two splits, given we're using default split attributes,

        // both activities take up the same visible size on the display.

        check{"height"}.that(leftLayerRegion.region.height).isEqual(rightLayerRegion.region.height)

        check{"width"}.that(leftLayerRegion.region.width).isEqual(rightLayerRegion.region.width)

        leftLayerRegion.notOverlaps(rightLayerRegion.region)

        // Layers of two activities sum to be fullscreen size on display.

        leftLayerRegion.plus(rightLayerRegion.region).coversExactly(display.layerStackSpace)

      }

    }

  }

  /**

   *  Verifies dimensions of both split activities hold their invariance after transition too.

   */

  @Presubmit

  @Test

  override fun appLayerRotates_EndingPos() {

    flicker.assertLayersEnd {

      this.entry.displays.map { display ->

        val leftLayerRegion = this.visibleRegion(ActivityEmbeddingAppHelper.MAIN_ACTIVITY_COMPONENT)

        val rightLayerRegion =

          this.visibleRegion(ActivityEmbeddingAppHelper.SECONDARY_ACTIVITY_COMPONENT)

        check{"height"}.that(leftLayerRegion.region.height).isEqual(rightLayerRegion.region.height)

        check{"width"}.that(leftLayerRegion.region.width).isEqual(rightLayerRegion.region.width)

        leftLayerRegion.notOverlaps(rightLayerRegion.region)

        leftLayerRegion.plus(rightLayerRegion.region).coversExactly(display.layerStackSpace)

      }

    }

  }

  /** Both activities in split should remain visible during rotation. */

  @Presubmit

  @Test

  fun bothActivitiesAreAlwaysVisible() {

    flicker.assertWm {

      isAppWindowVisible(ActivityEmbeddingAppHelper.MAIN_ACTIVITY_COMPONENT)

    }

    flicker.assertWm {

      isAppWindowVisible(ActivityEmbeddingAppHelper.SECONDARY_ACTIVITY_COMPONENT)

    }

  }

  companion object {

    /**

     * Creates the test configurations.

     *

     * See [FlickerTestFactory.nonRotationTests] for configuring screen orientation and

     * navigation modes.

     */

    @Parameterized.Parameters(name = "{0}")

    @JvmStatic

    fun getParams(): Collection<FlickerTest> {

      return FlickerTestFactory.rotationTests()

    }

  }

}

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