Adds tests for loading reporters w/ relative/absolute paths (mochajs#2773)

* Adds tests for loading reporters w/ relative/absolute paths

* Fixes the test based on CR

* Replaces '+' with path.join()

Author: Sulabh Bista

test/integration/fixtures/simple-reporter.js

@@ -0,0 +1,26 @@
+var baseReporter = require('../../../lib/reporters/base');
+module.exports = simplereporter;
+
+function simplereporter (runner) {
+  baseReporter.call(this, runner);
+
+  runner.on('suite', function (suite) {
+    console.log('on(\'suite\') called');
+  });
+
+  runner.on('fail', function (test, err) {
+    console.log('on(\'fail\') called');
+  });
+
+  runner.on('pass', function (test) {
+    console.log('on(\'pass\') called');
+  });
+
+  runner.on('test end', function (test, err) {
+    console.log('on(\'test end\') called');
+  });
+
+  runner.on('end', function () {
+    console.log('on(\'end\') called');
+  });
+}

test/integration/reporters.spec.js

@@ -60,4 +60,31 @@ describe('reporters', function () {
       });
     });
   });
+
+  describe('loader', function () {
+    it('loads a reporter from a path relative to the current working directory', function (done) {
+      var reporterAtARelativePath = 'test/integration/fixtures/simple-reporter.js';
+
+      var args = ['--reporter=' + reporterAtARelativePath];
+
+      run('passing.fixture.js', args, function (err, result) {
+        assert(!err);
+        assert.equal(result.code, 0);
+        done();
+      });
+    });
+
+    it('loads a reporter from an absolute path', function (done) {
+      // Generates an absolute path string
+      var reporterAtAnAbsolutePath = path.join(process.cwd(), 'test/integration/fixtures/simple-reporter.js');
+
+      var args = ['--reporter=' + reporterAtAnAbsolutePath];
+
+      run('passing.fixture.js', args, function (err, result) {
+        assert(!err);
+        assert.equal(result.code, 0);
+        done();
+      });
+    });
+  });
 });