fix(init): generate plugins and frameworks config

vojtajina · vojtajina · commit 17798d55988d · 2013-04-02T10:29:41.000-07:00
This basically updates `karma init` to work after the plugin refactorings.
diff --git a/config.template b/config.template
@@ -6,6 +6,10 @@
 basePath = '%BASE_PATH%';
 
 
+// frameworks to use
+frameworks = [%FRAMEWORKS%];
+
+
 // list of files / patterns to load in the browser
 files = [
   %FILES%
@@ -62,3 +66,9 @@ captureTimeout = 60000;
 // Continuous Integration mode
 // if true, it capture browsers, run tests and exit
 singleRun = false;
+
+
+// plugins to load
+plugins = [
+  %PLUGINS%
+];
diff --git a/lib/init.js b/lib/init.js
@@ -5,7 +5,6 @@ var path = require('path');
 var glob = require('glob');
 
 var helper = require('./helper');
-var launcher = require('./launcher');
 var logger = require('./logger');
 var constant = require('./constants');
 
@@ -50,14 +49,29 @@ var validatePattern = function(value) {
 };
 
 
-var validateBrowser = function(value) {
-  var proto = launcher[value + 'Browser'].prototype;
-  var defaultCmd = proto.DEFAULT_CMD[process.platform];
-  var envCmd = process.env[proto.ENV_CMD];
+var validateBrowser = function(name) {
+  var moduleName = 'karma-' + name.toLowerCase().replace('canary', '') + '-launcher';
 
-  if (!fs.existsSync(defaultCmd) && (!envCmd || !fs.existsSync(envCmd))) {
-    log.warn('No binary for %s.\n  Create symlink at "%s", or set "%s" env variable.\n' +
-        colors.NYAN, value, defaultCmd, proto.ENV_CMD);
+  try {
+    require(moduleName);
+  } catch (e) {
+    log.warn('Missing "%s" plugin.\n  npm install %s --save' + colors.NYAN, moduleName, moduleName);
+  }
+
+  // TODO(vojta): check if the path resolves to a binary
+};
+
+var validateFramework = function(name) {
+  try {
+    require('karma-' + name);
+  } catch (e) {
+    log.warn('Missing "karma-%s" plugin.\n  npm install karma-%s --save' + colors.NYAN, name, name);
+  }
+};
+
+var validateRequireJs = function(useRequire) {
+  if (useRequire) {
+    validateFramework('requirejs');
   }
 };
 
@@ -66,13 +80,15 @@ var questions = [{
   id: 'framework',
   question: 'Which testing framework do you want to use ?',
   hint: 'Press tab to list possible options. Enter to move to the next question.',
-  options: ['jasmine', 'mocha', 'qunit', '']
+  options: ['jasmine', 'mocha', 'qunit', ''],
+  validate: validateFramework
 }, {
   id: 'requirejs',
   question: 'Do you want to use Require.js ?',
   hint: 'This will add Require.js adapter into files.\n' +
         'Press tab to list possible options. Enter to move to the next question.',
   options: ['no', 'yes'],
+  validate: validateRequireJs,
   boolean: true
 }, {
   id: 'browsers',
@@ -272,24 +288,37 @@ var getReplacementsFromAnswers = function(answers, basePath) {
     files = answers.includedFiles.map(quote).concat(files);
   }
 
-  if (answers.requirejs) {
-    files.unshift('REQUIRE_ADAPTER');
-    files.unshift('REQUIRE');
-  }
+  var frameworks = [];
 
   if (answers.framework) {
-    var framework = answers.framework.toUpperCase();
-    files.unshift(framework + '_ADAPTER');
-    files.unshift(framework);
+    frameworks.push(answers.framework);
   }
 
+  if (answers.requirejs) {
+    frameworks.push('requirejs');
+  }
+
+  var plugins = frameworks.map(function(name) {
+    return 'karma-' + name;
+  });
+
+  answers.browsers.forEach(function(name) {
+    if (name === 'ChromeCanary') {
+      return;
+    }
+
+    plugins.push('karma-' + name.toLowerCase() + '-launcher');
+  });
+
   return {
     DATE: new Date(),
     BASE_PATH: basePath,
+    FRAMEWORKS: frameworks.map(quote).join(', '),
     FILES: formatFiles(files),
     EXCLUDE: answers.exclude ? formatFiles(answers.exclude.map(quote)) : '',
     AUTO_WATCH: answers.autoWatch ? 'true' : 'false',
-    BROWSERS: answers.browsers.map(quote).join(', ')
+    BROWSERS: answers.browsers.map(quote).join(', '),
+    PLUGINS: formatFiles(plugins.map(quote))
   };
 };
 
diff --git a/test/unit/init.spec.coffee b/test/unit/init.spec.coffee
@@ -173,24 +173,28 @@ describe 'init', ->
       replacements = m.getReplacementsFromAnswers answers {files: ['*.js', 'other/file.js']}
       expect(replacements.FILES).to.equal "'*.js',\n  'other/file.js'"
 
-      # prepend testing framework files
-      replacements = m.getReplacementsFromAnswers answers {files: ['*.js'], framework: 'jasmine'}
-      expect(replacements.FILES).to.equal "JASMINE,\n  JASMINE_ADAPTER,\n  '*.js'"
-      replacements = m.getReplacementsFromAnswers answers {files: ['*.js'], framework: 'mocha'}
-      expect(replacements.FILES).to.equal "MOCHA,\n  MOCHA_ADAPTER,\n  '*.js'"
 
+    it 'should set FRAMEWORKS', ->
+      replacements = m.getReplacementsFromAnswers answers {
+        framework: 'mocha',
+        requirejs: true
+      }
+
+      expect(replacements.FRAMEWORKS).to.equal "'mocha', 'requirejs'"
 
-    it 'should add REQUIRE and set files non-included if requirejs used', ->
+
+    it 'should add requirejs and set files non-included if requirejs used', ->
       replacements = m.getReplacementsFromAnswers answers {
         requirejs: true,
         includedFiles: [],
         files: ['*.js', 'other/file.js']
       }
 
-      expect(replacements.FILES).to.equal "REQUIRE,\n" +
-        "  REQUIRE_ADAPTER,\n" +
-        "  {pattern: '*.js', included: false},\n" +
-        "  {pattern: 'other/file.js', included: false}"
+      expect(replacements.FRAMEWORKS).to.contain "'requirejs'"
+
+      expect(replacements.FILES).to.equal "" +
+        "{pattern: '*.js', included: false},\n  " +
+        "{pattern: 'other/file.js', included: false}"
 
 
     it 'should prepend includedFiles into FILES', ->
@@ -200,10 +204,9 @@ describe 'init', ->
         files: ['*.js']
       }
 
-      expect(replacements.FILES).to.equal "REQUIRE,\n" +
-        "  REQUIRE_ADAPTER,\n" +
-        "  'main.js',\n" +
-        "  {pattern: '*.js', included: false}"
+      expect(replacements.FILES).to.equal "" +
+        "'main.js',\n  " +
+        "{pattern: '*.js', included: false}"
 
 
     it 'should set EXCLUDE', ->
@@ -227,3 +230,18 @@ describe 'init', ->
 
       replacements = m.getReplacementsFromAnswers answers {autoWatch: false}
       expect(replacements.AUTO_WATCH).to.equal 'false'
+
+
+    it 'should set PLUGINS', ->
+      replacements = m.getReplacementsFromAnswers answers {
+        browsers: ['Chrome', 'Firefox', 'ChromeCanary']
+        framework: 'jasmine'
+        requirejs: true
+      }
+
+      # ignore chrome canary
+      expect(replacements.PLUGINS).to.equal "" +
+        "'karma-jasmine',\n  " +
+        "'karma-requirejs',\n  " +
+        "'karma-chrome-launcher',\n  " +
+        "'karma-firefox-launcher'"
