Merge pull request #359 from drd/master

Make currently-executing test's file path available as jest.currentTestPath()

docs/API.md

@@ -12,6 +12,7 @@ permalink: docs/api.html
   - [`jest.autoMockOff()`](#jest-automockoff)
   - [`jest.autoMockOn()`](#jest-automockon)
   - [`jest.clearAllTimers()`](#jest-clearalltimers)
+  - [`jest.currentTestPath()`](#jest-currenttestpath)
   - [`jest.dontMock(moduleName)`](#jest-dontmock-modulename)
   - [`jest.genMockFromModule(moduleName)`](#jest-genmockfrommodule-modulename)
   - [`jest.genMockFunction()`](#jest-genmockfunction)
@@ -107,6 +108,9 @@ Removes any pending timers from the timer system.
 
 This means, if any timers have been scheduled (but have not yet executed), they will be cleared and will never have the opportunity to execute in the future.
 
+### `jest.currentTestPath()`
+Returns the absolute path to the currently executing test file.
+
 ### `jest.dontMock(moduleName)`
 Indicates that the module system should never return a mocked version of the specified module from `require()` (e.g. that it should always return the real module).
 

src/HasteModuleLoader/HasteModuleLoader.js

@@ -976,6 +976,10 @@ Loader.prototype.resetModuleRegistry = function() {
             this._environment.fakeTimers.clearAllTimers();
           }.bind(this),
 
+          currentTestPath: function() {
+            return this._environment.testFilePath;
+          }.bind(this),
+
           dontMock: function(moduleName) {
             var moduleID = this._getNormalizedModuleID(currPath, moduleName);
             this._explicitShouldMock[moduleID] = false;

src/HasteModuleLoader/__tests__/HasteModuleLoader-currentTestPath-test.js

@@ -0,0 +1,18 @@
+/**
+ * Copyright (c) 2014, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+'use strict';
+
+jest.autoMockOff();
+
+describe('nodeHasteModuleLoader', function() {
+    describe('currentTestPath', function() {
+        it('makes the current test path available', function() {
+            expect(jest.currentTestPath()).toMatch(/currentTestPath-test/);
+        });
+    });
+});

src/TestRunner.js

@@ -327,6 +327,10 @@ TestRunner.prototype.runTest = function(testFilePath) {
   var consoleMessages = [];
   env.global.console = new Console(consoleMessages);
 
+  // Pass the testFilePath into the runner, so it can be used to e.g.
+  // configure test reporter output.
+  env.testFilePath = testFilePath;
+
   return this._constructModuleLoader(env, config).then(function(moduleLoader) {
     // This is a kind of janky way to ensure that we only collect coverage
     // information on modules that are immediate dependencies of the test file.