問題描述

我正在使用 gulp-istanbul 通過 Gulp 生成 JavaScript 單元測試覆蓋率報告.有沒有辦法配置 Istanbul 以生成我的 gulp 流中所有 JS 文件的完整覆蓋率報告，而不僅僅是測試用例涉及的文件.

I am using gulp-istanbul to generate JavaScript unit test coverage reports through Gulp. Is there a way to configure Istanbul to generate a full coverage report of all the JS files in my gulp stream, and not just the files touched by a test case.

我正在做一個有很多 JS，但沒有單元測試的項目，我們正在努力增加測試覆蓋率.我想要一份覆蓋率報告，首先顯示我們大多數文件的 0% 覆蓋率，但隨著時間的推移，覆蓋率會越來越高.

I'm working on a project with a lot of JS, but no unit tests, and we are trying to increase the test coverage. I would like to have a coverage report that starts by show 0% coverage for most of our files, but over time will present an increasing coverage percentage.

gulp.task( 'test', function () {
    gulp.src( [ my source glob ] )
        .pipe( istanbul() )
        .on( 'end', function () {
            gulp.src( [ my test spec glob ] )
                .pipe( mocha( {
                    reporter: 'spec'
                } ) )
                .pipe( istanbul.writeReports(
                    [ output location ]
                ) );
        } );
} );

推薦答案

現在其實簡單多了，你只需要添加 includeUntested 到你的 istanbul()打電話.

It actually is much more simple now and you just have to add includeUntested to your istanbul() call.

gulp.task('test', function () {
    return gulp.src('./assets/**/js/*.js')
      // Right there
      .pipe(istanbul({includeUntested: true}))
      .on('finish', function () {
        gulp.src('./assets/js/test/test.js')
          .pipe(mocha({reporter: 'spec'}))
          .pipe(istanbul.writeReports({
            dir: './assets/unit-test-coverage',
            reporters: [ 'lcov' ],
            reportOpts: { dir: './assets/unit-test-coverage'}
          }));
      });
  });

來源:https://github.com/SBoudrias/gulp-istanbul#includeuntested

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