Merge changes from topic "flicker-move" (7943776f) · Commits · e / os / android_frameworks_base

tests/FlickerTests/AndroidManifest.xml

+3 −1

Original line number	Diff line number	Diff line
		@@ -23,6 +23,8 @@
		<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
		<!-- Capture screen contents -->
		<uses-permission android:name="android.permission.ACCESS_SURFACE_FLINGER" />
		<!-- Enable / Disable tracing !-->
		<uses-permission android:name="android.permission.DUMP" />
		<!-- Run layers trace -->
		<uses-permission android:name="android.permission.HARDWARE_TEST"/>
		<application>

tests/FlickerTests/AndroidTest.xml

+1 −0

Original line number	Diff line number	Diff line
		@@ -25,5 +25,6 @@
		<metrics_collector class="com.android.tradefed.device.metric.FilePullerLogCollector">
		<option name="directory-keys" value="/sdcard/flicker" />
		<option name="collect-on-run-ended-only" value="true" />
		<option name="clean-up" value="false" />
		</metrics_collector>
		</configuration>

tests/FlickerTests/lib/Android.bp

deleted100644 → 0

+0 −57

Original line number	Diff line number	Diff line
		//
		// 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.
		//

		java_test {
		name: "flickerlib",
		platform_apis: true,
		srcs: ["src/*/.java"],
		static_libs: [
		"androidx.test.janktesthelper",
		"cts-wm-util",
		"platformprotosnano",
		"layersprotosnano",
		"truth-prebuilt",
		"sysui-helper",
		"launcher-helper-lib",
		],
		}

		java_library {
		name: "flickerlib_without_helpers",
		platform_apis: true,
		srcs: ["src/*/.java"],
		exclude_srcs: ["src/*/helpers/.java"],
		static_libs: [
		"cts-wm-util",
		"platformprotosnano",
		"layersprotosnano",
		"truth-prebuilt"
		],
		}

		java_library {
		name: "flickerautomationhelperlib",
		sdk_version: "test_current",
		srcs: [
		"src/com/android/server/wm/flicker/helpers/AutomationUtils.java",
		"src/com/android/server/wm/flicker/WindowUtils.java",
		],
		static_libs: [
		"sysui-helper",
		"launcher-helper-lib",
		"compatibility-device-util-axt",
		],
		}

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

deleted100644 → 0

+0 −134

Original line number	Diff line number	Diff line
		/*
		* 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 java.util.concurrent.TimeUnit;
		import java.util.function.Function;

		/**
		* Collection of functional interfaces and classes representing assertions and their associated
		* results. Assertions are functions that are applied over a single trace entry and returns a
		* result which includes a detailed reason if the assertion fails.
		*/
		public class Assertions {
		/**
		* Checks assertion on a single trace entry.
		*
		* @param <T> trace entry type to perform the assertion on.
		*/
		@FunctionalInterface
		public interface TraceAssertion<T> extends Function<T, Result> {
		/**
		* Returns an assertion that represents the logical negation of this assertion.
		*
		* @return a assertion that represents the logical negation of this assertion
		*/
		default TraceAssertion<T> negate() {
		return (T t) -> apply(t).negate();
		}
		}

		/**
		* Checks assertion on a single layers trace entry.
		*/
		@FunctionalInterface
		public interface LayersTraceAssertion extends TraceAssertion<LayersTrace.Entry> {

		}

		/**
		* Utility class to store assertions with an identifier to help generate more useful debug
		* data when dealing with multiple assertions.
		*/
		public static class NamedAssertion<T> {
		public final TraceAssertion<T> assertion;
		public final String name;

		public NamedAssertion(TraceAssertion<T> assertion, String name) {
		this.assertion = assertion;
		this.name = name;
		}
		}

		/**
		* Contains the result of an assertion including the reason for failed assertions.
		*/
		public static class Result {
		public static final String NEGATION_PREFIX = "!";
		public final boolean success;
		public final long timestamp;
		public final String assertionName;
		public final String reason;

		public Result(boolean success, long timestamp, String assertionName, String reason) {
		this.success = success;
		this.timestamp = timestamp;
		this.assertionName = assertionName;
		this.reason = reason;
		}

		public Result(boolean success, String reason) {
		this.success = success;
		this.reason = reason;
		this.assertionName = "";
		this.timestamp = 0;
		}

		/**
		* Returns the negated {@code Result} and adds a negation prefix to the assertion name.
		*/
		public Result negate() {
		String negatedAssertionName;
		if (this.assertionName.startsWith(NEGATION_PREFIX)) {
		negatedAssertionName = this.assertionName.substring(NEGATION_PREFIX.length() + 1);
		} else {
		negatedAssertionName = NEGATION_PREFIX + this.assertionName;
		}
		return new Result(!this.success, this.timestamp, negatedAssertionName, this.reason);
		}

		public boolean passed() {
		return this.success;
		}

		public boolean failed() {
		return !this.success;
		}

		@Override
		public String toString() {
		return "Timestamp: " + prettyTimestamp(timestamp)
		+ "\nAssertion: " + assertionName
		+ "\nReason: " + reason;
		}

		private String prettyTimestamp(long timestamp_ns) {
		StringBuilder prettyTimestamp = new StringBuilder();
		TimeUnit[] timeUnits = {TimeUnit.HOURS, TimeUnit.MINUTES, TimeUnit.SECONDS, TimeUnit
		.MILLISECONDS};
		String[] unitSuffixes = {"h", "m", "s", "ms"};

		for (int i = 0; i < timeUnits.length; i++) {
		long convertedTime = timeUnits[i].convert(timestamp_ns, TimeUnit.NANOSECONDS);
		timestamp_ns -= TimeUnit.NANOSECONDS.convert(convertedTime, timeUnits[i]);
		prettyTimestamp.append(convertedTime).append(unitSuffixes[i]);
		}

		return prettyTimestamp.toString();
		}
		}
		}

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

deleted100644 → 0

+0 −183

Original line number	Diff line number	Diff line
		/*
		* 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 com.android.server.wm.flicker.Assertions.NamedAssertion;
		import com.android.server.wm.flicker.Assertions.Result;
		import com.android.server.wm.flicker.Assertions.TraceAssertion;

		import java.util.ArrayList;
		import java.util.LinkedList;
		import java.util.List;
		import java.util.stream.Collectors;

		/**
		* Captures some of the common logic in {@link LayersTraceSubject} and {@link WmTraceSubject}
		* used to filter trace entries and combine multiple assertions.
		*
		* @param <T> trace entry type
		*/
		public class AssertionsChecker<T extends ITraceEntry> {
		private boolean mFilterEntriesByRange = false;
		private long mFilterStartTime = 0;
		private long mFilterEndTime = 0;
		private AssertionOption mOption = AssertionOption.NONE;
		private List<NamedAssertion<T>> mAssertions = new LinkedList<>();

		public void add(Assertions.TraceAssertion<T> assertion, String name) {
		mAssertions.add(new NamedAssertion<>(assertion, name));
		}

		public void filterByRange(long startTime, long endTime) {
		mFilterEntriesByRange = true;
		mFilterStartTime = startTime;
		mFilterEndTime = endTime;
		}

		private void setOption(AssertionOption option) {
		if (mOption != AssertionOption.NONE && option != mOption) {
		throw new IllegalArgumentException("Cannot use " + mOption + " option with "
		+ option + " option.");
		}
		mOption = option;
		}

		public void checkFirstEntry() {
		setOption(AssertionOption.CHECK_FIRST_ENTRY);
		}

		public void checkLastEntry() {
		setOption(AssertionOption.CHECK_LAST_ENTRY);
		}

		public void checkChangingAssertions() {
		setOption(AssertionOption.CHECK_CHANGING_ASSERTIONS);
		}


		/**
		* Filters trace entries then runs assertions returning a list of failures.
		*
		* @param entries list of entries to perform assertions on
		* @return list of failed assertion results
		*/
		public List<Result> test(List<T> entries) {
		List<T> filteredEntries;
		List<Result> failures;

		if (mFilterEntriesByRange) {
		filteredEntries = entries.stream()
		.filter(e -> ((e.getTimestamp() >= mFilterStartTime)
		&& (e.getTimestamp() <= mFilterEndTime)))
		.collect(Collectors.toList());
		} else {
		filteredEntries = entries;
		}

		switch (mOption) {
		case CHECK_CHANGING_ASSERTIONS:
		return assertChanges(filteredEntries);
		case CHECK_FIRST_ENTRY:
		return assertEntry(filteredEntries.get(0));
		case CHECK_LAST_ENTRY:
		return assertEntry(filteredEntries.get(filteredEntries.size() - 1));
		}
		return assertAll(filteredEntries);
		}

		/**
		* Steps through each trace entry checking if provided assertions are true in the order they
		* are added. Each assertion must be true for at least a single trace entry.
		*
		* This can be used to check for asserting a change in property over a trace. Such as visibility
		* for a window changes from true to false or top-most window changes from A to Bb and back to A
		* again.
		*/
		private List<Result> assertChanges(List<T> entries) {
		List<Result> failures = new ArrayList<>();
		int entryIndex = 0;
		int assertionIndex = 0;
		int lastPassedAssertionIndex = -1;

		if (mAssertions.size() == 0) {
		return failures;
		}

		while (assertionIndex < mAssertions.size() && entryIndex < entries.size()) {
		TraceAssertion<T> currentAssertion = mAssertions.get(assertionIndex).assertion;
		Result result = currentAssertion.apply(entries.get(entryIndex));
		if (result.passed()) {
		lastPassedAssertionIndex = assertionIndex;
		entryIndex++;
		continue;
		}

		if (lastPassedAssertionIndex != assertionIndex) {
		failures.add(result);
		break;
		}
		assertionIndex++;

		if (assertionIndex == mAssertions.size()) {
		failures.add(result);
		break;
		}
		}

		if (failures.isEmpty()) {
		if (assertionIndex != mAssertions.size() - 1) {
		String reason = "\nAssertion " + mAssertions.get(assertionIndex).name
		+ " never became false";
		reason += "\nPassed assertions: " + mAssertions.stream().limit(assertionIndex)
		.map(assertion -> assertion.name).collect(Collectors.joining(","));
		reason += "\nUntested assertions: " + mAssertions.stream().skip(assertionIndex + 1)
		.map(assertion -> assertion.name).collect(Collectors.joining(","));

		Result result = new Result(false /* success /, 0 / timestamp */,
		"assertChanges", "Not all assertions passed." + reason);
		failures.add(result);
		}
		}
		return failures;
		}

		private List<Result> assertEntry(T entry) {
		List<Result> failures = new ArrayList<>();
		for (NamedAssertion<T> assertion : mAssertions) {
		Result result = assertion.assertion.apply(entry);
		if (result.failed()) {
		failures.add(result);
		}
		}
		return failures;
		}

		private List<Result> assertAll(List<T> entries) {
		return mAssertions.stream().flatMap(
		assertion -> entries.stream()
		.map(assertion.assertion)
		.filter(Result::failed))
		.collect(Collectors.toList());
		}

		private enum AssertionOption {
		NONE,
		CHECK_CHANGING_ASSERTIONS,
		CHECK_FIRST_ENTRY,
		CHECK_LAST_ENTRY,
		}
		}