Added istanbul for test coverage

Author: jhnns

.istanbul.yml

@@ -0,0 +1,3 @@
+instrumentation:
+    # __get__ and __set__ will be stringified and evaled again. Thus it's difficult to include them into the test coverage
+    excludes: ['lib/__get__.js', 'lib/__set__.js']

.travis.yml

@@ -2,6 +2,11 @@ language: node_js
 node_js:
   - "0.8"
   - "0.10"
+  - "0.11"
 
 script:
-  - npm test
+  - npm test
+after_success:
+  - npm install -g istanbul
+  - npm install coveralls
+  - istanbul cover ./node_modules/mocha/bin/_mocha --report lcovonly -- -R spec && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage

README.md

@@ -1,6 +1,6 @@
 rewire
 =====
-**Dependency injection for node.js applications**.
+**Easy dependency injection for node.js unit testing**.
 
 rewire adds a special setter and getter to modules so you can modify their behaviour for better unit testing. You may
 
@@ -17,8 +17,9 @@ case CoffeeScript needs to be listed in your devDependencies.
 
 If you want to use rewire also on the client-side take a look at [client-side bundlers](https://github.com/jhnns/rewire#client-side-bundlers)
 
-[![Build Status](https://secure.travis-ci.org/jhnns/rewire.png?branch=master)](http://travis-ci.org/jhnns/rewire)
-[![Dependency Status](https://david-dm.org/jhnns/rewire/status.png)](http://david-dm.org/jhnns/rewire)
+[![Build Status](https://travis-ci.org/jhnns/rewire.svg?branch=master)](http://travis-ci.org/jhnns/rewire)
+[![Dependency Status](https://david-dm.org/jhnns/rewire.svg)](https://david-dm.org/jhnns/rewire)
+[![Coverage Status](https://coveralls.io/repos/jhnns/rewire/badge.png)](https://coveralls.io/r/jhnns/rewire)
 
 <br />
 

lib/rewire.js

@@ -6,6 +6,9 @@ var Module = require("module"),
     detectStrictMode = require("./detectStrictMode.js"),
     moduleEnv = require("./moduleEnv.js");
 
+var __get__Src = __get__.toString(),
+    __set__Src = __set__.toString();
+
 /**
  * Does actual rewiring the module. For further documentation @see index.js
  */
@@ -26,6 +29,7 @@ function internalRewire(parentModulePath, targetPath) {
     // Special support for older node versions that returned an array on Module._resolveFilename
     // @see https://github.com/joyent/node/blob/865b077819a9271a29f982faaef99dc635b57fbc/lib/module.js#L319
     // TODO Remove this switch on the next major release
+    /* istanbul ignore next because it will be removed soon */
     if (Array.isArray(targetPath)) {
         targetPath = targetPath[1];
     }
@@ -38,8 +42,8 @@ function internalRewire(parentModulePath, targetPath) {
 
     // We append our special setter and getter.
     appendix = "\n";
-    appendix += "module.exports.__set__ = " + __set__.toString() + "; ";
-    appendix += "module.exports.__get__ = " + __get__.toString() + "; ";
+    appendix += "module.exports.__set__ = " + __set__Src + "; ";
+    appendix += "module.exports.__get__ = " + __get__Src + "; ";
 
     // Check if the module uses the strict mode.
     // If so we must ensure that "use strict"; stays at the beginning of the module.

test/testModules/fake_node_modules/rewire/package.json

@@ -1,3 +1,3 @@
-fs = require "fs"
+fs = require "fs"
 
 exports.readFileSync = () -> fs.readFileSync()

test/testModules/module.coffee

@@ -175,4 +175,9 @@ describe("rewire " + (typeof testEnv === "undefined"? "(node)": "(" + testEnv +
             }
         }
     });
+    it("should throw a TypeError if the path is not a string", function () {
+        expect(function () {
+            rewire(null);
+        }).to.throwException(checkForTypeError);
+    });
 });