fix(tests): fix tests when a global config is present (#405)

Closes #211

Author: jimthedev

package.json

@@ -10,6 +10,7 @@
     "build:watch": "babel --watch src --out-dir dist",
     "prepublish": "not-in-install && npm run build || true",
     "report-coverage": "nyc report --reporter=lcov | codecov",
+    "write-coverage": "nyc report --reporter=lcov",
     "semantic-release": "semantic-release pre && npm publish && semantic-release post",
     "start": "npm run test:watch",
     "test": "nyc --require babel-core/register _mocha -- test/tests/index.js",

src/common/util.js

@@ -7,7 +7,8 @@ export {
   getParsedPackageJsonFromPath,
   isArray,
   isFunction,
-  isString
+  isString,
+  isInTest
 }
 
 /**
@@ -80,3 +81,7 @@ function isString(str) {
     return Object.prototype.toString.call(str) == '[object String]';
   }
 }
+
+function isInTest() {
+  return typeof global.it === 'function';
+}

src/configLoader/loader.js

@@ -1,12 +1,13 @@
 import path from 'path';
 
 import {findup, getContent} from '../configLoader';
+import {isInTest} from '../common/util.js';
 
 export default loader;
 
 /**
  * Command line config helpers
- * Shamelessly ripped from with slight modifications: 
+ * Shamelessly ripped from with slight modifications:
  * https://github.com/jscs-dev/node-jscs/blob/master/lib/cli-config.js
  */
 
@@ -27,7 +28,7 @@ function loader(configs, config, cwd) {
 
     content = getContent(
         findup(configs, { nocase: true, cwd: directory }, function(configPath) {
-            if (path.basename(configPath) === 'package.json') { 
+            if (path.basename(configPath) === 'package.json') {
                 // return !!this.getContent(configPath);
             }
 
@@ -38,20 +39,22 @@ function loader(configs, config, cwd) {
     if (content) {
         return content;
     }
-
-    // Try to load standard configs from home dir
-    var directoryArr = [process.env.USERPROFILE, process.env.HOMEPATH, process.env.HOME];
-    for (var i = 0, dirLen = directoryArr.length; i < dirLen; i++) {
-        if (!directoryArr[i]) {
-            continue;
-        }
-
-        for (var j = 0, len = configs.length; j < len; j++) {
-            content = getContent(configs[j], directoryArr[i]);
-
-            if (content) {
-                return content;
-            }
-        }
+    /* istanbul ignore if */
+    if(!isInTest()) {
+      // Try to load standard configs from home dir
+      var directoryArr = [process.env.USERPROFILE, process.env.HOMEPATH, process.env.HOME];
+      for (var i = 0, dirLen = directoryArr.length; i < dirLen; i++) {
+          if (!directoryArr[i]) {
+              continue;
+          }
+
+          for (var j = 0, len = configs.length; j < len; j++) {
+              content = getContent(configs[j], directoryArr[i]);
+
+              if (content) {
+                  return content;
+              }
+          }
+      }
     }
-} 
+}