tests/FlickerTests/lib/test/src/com/android/server/wm/flicker/WmTraceSubjectTest.java

/*
 * Copyright (C) 2018 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;

import static com.android.server.wm.flicker.TestFileUtils.readTestFile;
import static com.android.server.wm.flicker.WmTraceSubject.assertThat;

import org.junit.Test;

/**
 * Contains {@link WmTraceSubject} tests.
 * To run this test: {@code atest FlickerLibTest:WmTraceSubjectTest}
 */
public class WmTraceSubjectTest {
    private static WindowManagerTrace readWmTraceFromFile(String relativePath) {
        try {
            return WindowManagerTrace.parseFrom(readTestFile(relativePath));
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Test
    public void testCanTransitionInAppWindow() {
        WindowManagerTrace trace = readWmTraceFromFile("wm_trace_openchrome2.pb");

        assertThat(trace).showsAppWindowOnTop("com.google.android.apps.nexuslauncher/"
                + ".NexusLauncherActivity").forRange(174684850717208L, 174685957511016L);
        assertThat(trace).showsAppWindowOnTop(
                "com.google.android.apps.nexuslauncher/.NexusLauncherActivity")
                .then()
                .showsAppWindowOnTop("com.android.chrome")
                .forAllEntries();
    }
}