Remove lighthouse performance test

.travis.yml

@@ -19,7 +19,6 @@ before_script:
   - gulp lint
   - polymer lint --rules polymer-2 --input *.html
   - xvfb-run -s '-screen 0 1024x768x24' polymer test
-  - travis_retry xvfb-run -s '-screen 0 1024x768x24' gulp perf:run
 
 script:
   - if [[ "$TRAVIS_EVENT_TYPE" != "pull_request" && "$TRAVIS_BRANCH" != quick/* ]]; then

gulpfile.js

@@ -4,18 +4,6 @@ var gulp = require('gulp');
 var eslint = require('gulp-eslint');
 var htmlExtract = require('gulp-html-extract');
 var stylelint = require('gulp-stylelint');
-var log = require('gulp-util').log;
-var polyserve = require('polyserve');
-var spawn = require('child_process').spawn;
-var which = require('which');
-
-var perf = {
-  lighthouse: './node_modules/.bin/lighthouse',
-  port: 7777,
-  element: require('./package.json').name,
-  dir: 'test/performance',
-  tests: require('./test/performance/config.json')
-};
 
 gulp.task('lint', ['lint:js', 'lint:html', 'lint:css']);
 
@@ -59,63 +47,3 @@ gulp.task('lint:css', function() {
       ]
     }));
 });
-
-function runCommand(cmd, cb) {
-  var args = cmd.split(/\s+/);
-  var proc = spawn(args.shift(), args);
-  var stdout = '';
-  proc.stdout.on('data', data => stdout += data);
-  proc.on('close', status => cb(status, stdout));
-}
-
-function runTest(test, threshold, cb) {
-  const url = `http://localhost:${perf.port}/components/${perf.element}/${perf.dir}/${test}`;
-  const command = `node ${perf.lighthouse} --perf --output=json ${url}`;
-
-  log(`Performance running test=${test} threshold=${threshold} ...`);
-  runCommand(command, (status, stdout) => {
-    var error;
-    if (status) {
-      error = `Error: status ${status} while running lighthouse CLI`;
-    } else {
-      var results = JSON.parse(stdout);
-      var total = results.aggregations[0].score[0].overall;
-
-      if (total === undefined) {
-        error = `Error: lighthouse has not produced a valid JSON output`;
-      } else if (total == 1) {
-        error = `Error: lighthouse reported score=1. It might be server not running or bad url: ${url}`;
-      } else if (total < threshold) {
-        error = `Error: low performance scored ${total}`;
-      } else {
-        log(`Performance done test=${test} scored with ${total}`);
-      }
-    }
-    if (error) {
-      log(error);
-      perf.failed = true;
-    }
-    cb();
-  });
-}
-
-gulp.task('perf:run:server', function() {
-  polyserve.startServer({port: perf.port});
-});
-
-gulp.task('perf:env', function(cb) {
-  which('google-chrome-stable', (err, path) => {
-    process.env.LIGHTHOUSE_CHROMIUM_PATH = path;
-    cb();
-  });
-});
-
-gulp.task('perf:run:tests', ['perf:run:server', 'perf:env'], function(cb) {
-  perf.tests.reduce((prev, test) => () => runTest(test.name, test.threshold, prev), cb)();
-});
-
-gulp.task('perf:run', ['perf:run:tests'], function() {
-  log('Finished \'perf:run\' with ' + (perf.failed ? 'error' : 'great success'));
-  process.exitCode = perf.failed ? 1 : 0;
-  process.exit();
-});

package.json

@@ -29,7 +29,6 @@
     "gulp-eslint": "^4.0.0",
     "gulp-html-extract": "^0.3.0",
     "gulp-stylelint": "^4.0.0",
-    "lighthouse": "~1.6.5",
     "polymer-cli": "^1.2.0",
     "stylelint": "^8.0.0",
     "stylelint-config-vaadin": "latest",