Function testHtmlPlugin

spec/BasicSpec.js:38–87

(webpackConfig, expectedResults, outputFile, done, expectErrors, expectWarnings)

jasmine.getEnv().defaultTimeoutInterval = 30000;

function testHtmlPlugin (webpackConfig, expectedResults, outputFile, done, expectErrors, expectWarnings) {
  outputFile = outputFile || 'index.html';
  webpack(webpackConfig, function (err, stats) {
    expect(err).toBeFalsy();
    var compilationErrors = (stats.compilation.errors || []).join('\n');
    if (expectErrors) {
      expect(compilationErrors).not.toBe('');
    } else {
      expect(compilationErrors).toBe('');
    }
    var compilationWarnings = (stats.compilation.warnings || []).join('\n');
    if (expectWarnings) {
      expect(compilationWarnings).not.toBe('');
    } else {
      expect(compilationWarnings).toBe('');
    }
    if (outputFile instanceof RegExp) {
      var matches = Object.keys(stats.compilation.assets).filter(function (item) {
        return outputFile.test(item);
      });
      expect(matches.length).toBe(1);
      outputFile = matches[0];
    }
    expect(outputFile.indexOf('[hash]') === -1).toBe(true);
    var outputFileExists = fs.existsSync(path.join(OUTPUT_DIR, outputFile));
    expect(outputFileExists).toBe(true);
    if (!outputFileExists) {
      return done();
    }
    var htmlContent = fs.readFileSync(path.join(OUTPUT_DIR, outputFile)).toString();
    var chunksInfo;
    for (var i = 0; i < expectedResults.length; i++) {
      var expectedResult = expectedResults[i];
      if (expectedResult instanceof RegExp) {
        expect(htmlContent).toMatch(expectedResult);
      } else if (typeof expectedResult === 'object') {
        if (expectedResult.type === 'chunkhash') {
          if (!chunksInfo) {
            chunksInfo = getChunksInfoFromStats(stats);
          }
          var chunkhash = chunksInfo[expectedResult.chunkName].hash;
          expect(htmlContent).toContain(expectedResult.containStr.replace('%chunkhash%', chunkhash));
        }
      } else {
        expect(htmlContent).toContain(expectedResult.replace('%hash%', stats.hash));
      }
    }
    done();
  });
}

function getChunksInfoFromStats (stats) {
  var chunks = stats.compilation.getStats().toJson().chunks;