Quelle  speedometer3.js   Sprache: JAVA

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* eslint-env node */

const { logTest, logTask } = require("./utils/profiling");
const {
  initializeMeasurements,
  startMeasurements,
  stopMeasurements,
  finalizeMeasurements,
} = require("./utils/support_measurements");

module.exports = logTest(
  "speedometer 3 test",
  async function (context, commands) {
    context.log.info("Starting Speedometer 3 test");
    let url = context.options.browsertime.url;
    let page_cycles = context.options.browsertime.page_cycles;
    let page_cycle_delay = context.options.browsertime.page_cycle_delay;
    let post_startup_delay = context.options.browsertime.post_startup_delay;
    let page_timeout = context.options.timeouts.pageLoad;
    let expose_profiler = context.options.browsertime.expose_profiler;

    await initializeMeasurements(
      context,
      commands,
      true,
      context.options.browsertime.power_test,
      true
    );

    context.log.info(
      "Waiting for %d ms (post_startup_delay)",
      post_startup_delay
    );
    await commands.wait.byTime(post_startup_delay);

    for (let count = 0; count < page_cycles; count++) {
      await logTask(context, "cycle " + count, async function () {
        context.log.info("Navigating to about:blank");
        await commands.navigate("about:blank");

        context.log.info(
          "Cycle %d, waiting for %d ms",
          count,
          page_cycle_delay
        );
        await commands.wait.byTime(page_cycle_delay);

        context.log.info("Cycle %d, starting the measure", count);
        if (expose_profiler === "true") {
          context.log.info("Custom profiler start!");
          if (context.options.browser === "firefox") {
            await commands.profiler.start();
          } else if (context.options.browser === "chrome") {
            await commands.trace.start();
          }
        }
        await commands.measure.start(url);
        await startMeasurements(context, commands);

        await commands.js.runAndWait(`
        this.benchmarkClient.start()
    `);

        let data_exists = false;
        let starttime = await commands.js.run(`return performance.now();`);
        while (
          !data_exists &&
          (await commands.js.run(`return performance.now();`)) - starttime <
            page_timeout
        ) {
          let wait_time = 3000;
          context.log.info(
            "Waiting %d ms for data from speedometer...",
            wait_time
          );
          await commands.wait.byTime(wait_time);
          data_exists = await commands.js.run(
            "return !(this.benchmarkClient._isRunning)"
          );
        }
        if (expose_profiler === "true") {
          context.log.info("Custom profiler stop!");
          if (context.options.browser === "firefox") {
            await commands.profiler.stop();
          } else if (context.options.browser === "chrome") {
            await commands.trace.stop();
          }
        }
        if (
          !data_exists &&
          (await commands.js.run(`return performance.now();`)) - starttime >=
            page_timeout
        ) {
          context.log.error("Benchmark timed out. Aborting...");
          return false;
        }
        await stopMeasurements();

        let internal_data = await commands.js.run(
          `return this.benchmarkClient._measuredValuesList;`
        );
        context.log.info(
          "Value of internal benchmark iterations: ",
          internal_data
        );

        let data = await commands.js.run(`
      const values = this.benchmarkClient._computeResults(this.benchmarkClient._measuredValuesList, "ms");
      const score = this.benchmarkClient._computeResults(this.benchmarkClient._measuredValuesList, "score");
      return {
        score,
        values: values.formattedMean,
      };
    `);
        context.log.info("Value of summarized benchmark data: ", data);

        commands.measure.addObject({ s3: data, s3_internal: internal_data });
        return true;
      });
    }
    await finalizeMeasurements();

    return true;
  }
);