new grunt test:coverage task

Author: subtleGradient

Gruntfile.js

@@ -70,6 +70,7 @@ module.exports = function(grunt) {
   grunt.registerTask('build:transformer', ['jsx:debug', 'browserify:transformer']);
   grunt.registerTask('build:min', ['jsx:release', 'version-check', 'browserify:min']);
   grunt.registerTask('build:addons-min', ['jsx:debug', 'browserify:addonsMin']);
+  grunt.registerTask('build:withCodeCoverageLogging', ['jsx:debug', 'version-check', 'browserify:withCodeCoverageLogging']);
   grunt.registerTask('build:test', [
     'jsx:test',
     'version-check',
@@ -78,11 +79,14 @@ module.exports = function(grunt) {
 
   grunt.registerTask('webdriver-phantomjs', webdriverPhantomJSTask);
 
+  grunt.registerTask('coverage:parse', require('./grunt/tasks/coverage-parse'));
+
   grunt.registerTask('test:webdriver:phantomjs', [
     'connect',
     'webdriver-phantomjs',
     'webdriver-jasmine:local'
   ]);
+  grunt.registerTask('test:coverage', ['build:test', 'build:withCodeCoverageLogging', 'test:webdriver:phantomjs', 'coverage:parse']);
   grunt.registerTask('test', ['build:test', 'build:basic', 'test:webdriver:phantomjs']);
   grunt.registerTask('npm:test', ['build', 'npm:pack']);
 

grunt/tasks/coverage-parse.js

@@ -0,0 +1,48 @@
+var grunt = require('grunt');
+
+module.exports = function(){
+  var ROOT = require('path').normalize(__dirname + '/../..');
+  var done = this.async();
+  var uncoveredExpressionCount = 0;
+  var uncoveredLineCount = 0;
+  
+  require('fs').createReadStream(ROOT + '/coverage.log')
+  .pipe(require('coverify/parse')(function(error, results){
+    if (error) grunt.fatal(error);
+    
+    Object.keys(results)
+    .sort(function(a, b){
+      if (results[a].length > results[b].length) return -1;
+      if (results[a].length < results[b].length) return 1;
+      return 0;
+    })
+    .forEach(function(path){
+      if (results[path].length === 0) return;
+      var relativePath = path.replace(ROOT, '');
+      uncoveredExpressionCount += results[path].length;
+      grunt.log.error(results[path].length + ' expressions not covered ' + relativePath);
+
+      results[path].forEach(function(c){
+        uncoveredLineCount += c.code.split('\n').length;
+        // console.log(
+        //   'https://github.com/' + process.env.TRAVIS_REPO_SLUG + '/blob/' + process.env.TRAVIS_BRANCH + relativePath + '#L' + (c.lineNum+1) + '-L' + (c.lineNum+1 + c.code.split('\n').length)
+        // );
+        console.log(
+          'txmt://open?url=' + encodeURIComponent('file://' + path) + '&line=' + (c.lineNum+1) + '&column=' + (c.column[0]+2)
+        );
+        // console.log(c.code.split('\n').map(function(line){return '\t' + line}).join('\n'))
+      });
+      console.log('');
+    });
+
+    Object.keys(results).sort().forEach(function(path){
+      if (results[path].length > 0) return;
+      var relativePath = path.replace(ROOT, '');
+      grunt.log.ok('100% coverage ' + relativePath);
+    });
+    
+    if (uncoveredExpressionCount > 0) grunt.log.error(uncoveredExpressionCount + ' expressions not covered');
+    if (uncoveredLineCount > 0) grunt.log.error(uncoveredLineCount + ' lines not covered');
+    done();
+  }));
+}