tools/winscope-ng/src/parsers/parser_common.spec.ts

/*
 * Copyright (C) 2022 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.
 */
import {Timestamp, TimestampType} from "common/trace/timestamp";
import {Parser} from "./parser";
import {CommonTestUtils} from "test/common/utils";
import {UnitTestUtils} from "test/unit/utils";
import {ParserFactory} from "./parser_factory";

describe("Parser", () => {
  it("is robust to empty trace file", async () => {
    const trace = await CommonTestUtils.getFixtureFile("traces/empty.pb");
    const [parsers, errors] = await new ParserFactory().createParsers([trace]);
    expect(parsers.length).toEqual(0);
  });

  describe("real timestamp", () => {
    let parser: Parser;

    beforeAll(async () => {
      parser = await UnitTestUtils.getParser("traces/elapsed_and_real_timestamp/WindowManager.pb");
    });

    it("provides timestamps", () => {
      const expected = [
        new Timestamp(TimestampType.REAL, 1659107089075566202n),
        new Timestamp(TimestampType.REAL, 1659107089999048990n),
        new Timestamp(TimestampType.REAL, 1659107090010194213n)
      ];
      expect(parser.getTimestamps(TimestampType.REAL)!.slice(0, 3))
        .toEqual(expected);
    });

    it("retrieves trace entry (no timestamp matches)", () => {
      const timestamp = new Timestamp(TimestampType.REAL, 1659107089075566201n);
      expect(parser.getTraceEntry(timestamp))
        .toEqual(undefined);
    });

    it("retrieves trace entry (equal timestamp matches)", () => {
      const timestamp = new Timestamp(TimestampType.REAL, 1659107089075566202n);
      expect(BigInt(parser.getTraceEntry(timestamp)!.timestampMs))
        .toEqual(14474594000n);
    });

    it("retrieves trace entry (equal timestamp matches)", () => {
      const timestamp = new Timestamp(TimestampType.REAL, 1659107089999048990n);
      expect(BigInt(parser.getTraceEntry(timestamp)!.timestampMs))
        .toEqual(15398076788n);
    });

    it("retrieves trace entry (lower timestamp matches)", () => {
      const timestamp = new Timestamp(TimestampType.REAL, 1659107089999048991n);
      expect(BigInt(parser.getTraceEntry(timestamp)!.timestampMs))
        .toEqual(15398076788n);
    });
  });

  describe("elapsed timestamp", () => {
    let parser: Parser;

    beforeAll(async () => {
      parser = await UnitTestUtils.getParser("traces/elapsed_timestamp/WindowManager.pb");
    });

    it("provides timestamps", () => {
      const expected = [
        new Timestamp(TimestampType.ELAPSED, 850254319343n),
        new Timestamp(TimestampType.ELAPSED, 850763506110n),
        new Timestamp(TimestampType.ELAPSED, 850782750048n)
      ];
      expect(parser.getTimestamps(TimestampType.ELAPSED))
        .toEqual(expected);
    });

    it("retrieves trace entry (no timestamp matches)", () => {
      const timestamp = new Timestamp(TimestampType.ELAPSED, 850254319342n);
      expect(parser.getTraceEntry(timestamp))
        .toEqual(undefined);
    });

    it("retrieves trace entry (equal timestamp matches)", () => {
      const timestamp = new Timestamp(TimestampType.ELAPSED, 850254319343n);
      expect(BigInt(parser.getTraceEntry(timestamp)!.timestampMs))
        .toEqual(850254319343n);
    });

    it("retrieves trace entry (equal timestamp matches)", () => {
      const timestamp = new Timestamp(TimestampType.ELAPSED, 850763506110n);
      expect(BigInt(parser.getTraceEntry(timestamp)!.timestampMs))
        .toEqual(850763506110n);
    });

    it("retrieves trace entry (lower timestamp matches)", () => {
      const timestamp = new Timestamp(TimestampType.ELAPSED, 850254319344n);
      expect(BigInt(parser.getTraceEntry(timestamp)!.timestampMs))
        .toEqual(850254319343n);
    });

    it("retrieves trace entry (equal timestamp matches)", () => {
      const timestamp = new Timestamp(TimestampType.ELAPSED, 850763506111n);
      expect(BigInt(parser.getTraceEntry(timestamp)!.timestampMs))
        .toEqual(850763506110n);
    });
  });
});