Add tests and raise coverage

.gitignore

@@ -1,6 +1,7 @@
 .DS_Store
 *.log
 node_modules
+!test/fixtures/errors/bad-gulp-version/node_modules/
 build
 *.node
 components

index.js

@@ -70,6 +70,7 @@ cli.on('requireFail', function(name, error) {
     ansi.yellow('Failed to load external module'),
     ansi.magenta(name)
   );
+  /* istanbul ignore else */
   if (error) {
     log.warn(ansi.yellow(error.toString()));
   }
@@ -122,20 +123,20 @@ function handleArguments(env) {
 
   // Anything that needs to print outside of the logging mechanism should use console.log
   if (opts.version) {
-    console.log('CLI version', cliVersion);
-    if (env.modulePackage && typeof env.modulePackage.version !== 'undefined') {
-      console.log('Local version', env.modulePackage.version);
-    }
+    console.log('CLI version:', cliVersion);
+    console.log('Local version:', env.modulePackage.version || 'Unknown');
     exit(0);
   }
 
   if (opts.verify) {
     var pkgPath = opts.verify !== true ? opts.verify : 'package.json';
+    /* istanbul ignore else */
     if (path.resolve(pkgPath) !== path.normalize(pkgPath)) {
       pkgPath = path.join(env.cwd, pkgPath);
     }
     log.info('Verifying plugins in ' + pkgPath);
     return getBlacklist(function(err, blacklist) {
+      /* istanbul ignore if */
       if (err) {
         return logBlacklistError(err);
       }
@@ -147,10 +148,12 @@ function handleArguments(env) {
   }
 
   if (!env.modulePath) {
+    /* istanbul ignore next */
     var missingNodeModules =
       fs.existsSync(path.join(env.cwd, 'package.json'))
       && !fs.existsSync(path.join(env.cwd, 'node_modules'));
 
+    /* istanbul ignore next */
     var missingGulpMessage =
       missingNodeModules
         ? 'Local modules not found in'
@@ -159,6 +162,7 @@ function handleArguments(env) {
       ansi.red(missingGulpMessage),
       ansi.magenta(tildify(env.cwd))
     );
+    /* istanbul ignore next */
     var installCommand =
       missingNodeModules
         ? 'npm install'
@@ -186,9 +190,10 @@ function handleArguments(env) {
   var range = findRange(env.modulePackage.version, ranges);
 
   if (!range) {
-    return log.error(
+    log.error(
       ansi.red('Unsupported gulp version', env.modulePackage.version)
     );
+    exit(1);
   }
 
   // Load and execute the CLI version

lib/shared/ansi.js

@@ -5,6 +5,7 @@ var supportsColor = require('color-support');
 
 var hasColors = colorize();
 
+/* istanbul ignore next */
 module.exports = {
   red: hasColors ? colors.red : noColor,
   green: hasColors ? colors.green : noColor,
@@ -31,6 +32,7 @@ function colorize() {
     return false;
   }
 
+  /* istanbul ignore if */
   if (hasFlag('color')) {
     return true;
   }

lib/shared/config/env-flags.js

@@ -34,11 +34,10 @@ function mergeConfigToEnvFlags(env, config, cliOpts) {
       return [].concat(envInfo.value, configInfo.value);
     }
 
+    /* istanbul ignore else */
     if (envInfo.keyChain === 'nodeFlags') {
       return [].concat(configInfo.value || []);
     }
-
-    return configInfo.value;
   }
 }
 

lib/shared/exit.js

@@ -2,6 +2,7 @@
 
 // Fix stdout truncation on windows
 function exit(code) {
+  /* istanbul ignore next */
   if (process.platform === 'win32' && process.stdout.bufferSize) {
     process.stdout.once('drain', function() {
       process.exit(code);

lib/shared/get-blacklist.js

@@ -19,6 +19,7 @@ function parse(str, cb) {
   try {
     cb(null, JSON.parse(str));
   } catch (err) {
+    /* istanbul ignore next */
     cb(new Error('Invalid Blacklist JSON.'));
   }
 }
@@ -28,6 +29,7 @@ function getBlacklist(cb) {
   https.get(url, onRequest);
 
   function onRequest(res) {
+    /* istanbul ignore if */
     if (res.statusCode !== 200) {
       // TODO: Test different status codes
       return cb(new Error('Request failed. Status Code: ' + res.statusCode));
@@ -39,6 +41,7 @@ function getBlacklist(cb) {
   }
 
   function onCollect(err, result) {
+    /* istanbul ignore if */
     if (err) {
       return cb(err);
     }
@@ -47,6 +50,7 @@ function getBlacklist(cb) {
   }
 
   function onParse(err, blacklist) {
+    /* istanbul ignore if */
     if (err) {
       return cb(err);
     }

lib/shared/log/blacklist-error.js

@@ -5,6 +5,7 @@ var log = require('gulplog');
 var ansi = require('../ansi');
 var exit = require('../exit');
 
+/* istanbul ignore next */
 function logBlacklistError(err) {
   log.error(ansi.red('Error: failed to retrieve plugins black-list'));
   log.error(err.message); // Avoid duplicating for each version

lib/shared/log/tasks.js

@@ -60,6 +60,7 @@ function getNodeFactory(getTask, entryObserver) {
     },
 
     taskNode: function(node) {
+      /* istanbul ignore next */
       var task = getTask(node.label) || {};
 
       var newNode = {
@@ -74,6 +75,7 @@ function getNodeFactory(getTask, entryObserver) {
           if (flag.length === 0) {
             return;
           }
+          /* istanbul ignore next */
           var opt = {
             label: flag,
             desc: typeof task.flags[flag] === 'string' ? task.flags[flag] : '',

lib/shared/log/to-console.js

@@ -2,6 +2,7 @@
 
 var fancyLog = require('fancy-log');
 
+/* istanbul ignore next */
 function noop() {}
 
 // The sorting of the levels is

lib/versioned/^4.0.0/format-error.js

@@ -1,6 +1,7 @@
 'use strict';
 
 // Format orchestrator errors
+/* istanbul ignore next */
 function formatError(e) {
   if (!e.error) {
     return e.message;

lib/versioned/^4.0.0/log/events.js

@@ -12,6 +12,7 @@ function logEvents(gulpInst) {
   var loggedErrors = [];
 
   gulpInst.on('start', function(evt) {
+    /* istanbul ignore next */
     // TODO: batch these
     // so when 5 tasks start at once it only logs one time with all 5
     var level = evt.branch ? 'debug' : 'info';
@@ -20,6 +21,7 @@ function logEvents(gulpInst) {
 
   gulpInst.on('stop', function(evt) {
     var time = prettyTime(evt.duration);
+    /* istanbul ignore next */
     var level = evt.branch ? 'debug' : 'info';
     log[level](
       'Finished', '\'' + ansi.cyan(evt.name) + '\'',

lib/versioned/^4.0.0/log/get-task.js

@@ -16,6 +16,7 @@ function getDescription(task) {
   if (typeof task.description === 'string') {
     return task.description;
   }
+  /* istanbul ignore else */
   if (typeof task.unwrap === 'function') {
     var origFn = task.unwrap();
     if (typeof origFn.description === 'string') {
@@ -29,6 +30,7 @@ function getFlags(task) {
   if (isObject(task.flags)) {
     return task.flags;
   }
+  /* istanbul ignore else */
   if (typeof task.unwrap === 'function') {
     var origFn = task.unwrap();
     if (isObject(origFn.flags)) {