StephaneTrebel · February 27, 2020 08:08 · Apr 27, 2016 · Apr 27, 2016
diff --git a/test.js b/test.js
@@ -38,26 +38,25 @@ const createStubs = customStubs => _.defaults({}, customStubs, {
 });
 
 // Then you can use it in your tests :3
-    describe('myAwesomeFunction()', () => {
-        const m = proxyquire(testedModuleName, createStubs({
-          [dep1]: { fnA: () => 'foobar' },
-          // Here dep2.fnB is not stubbed because it's not used by myAwesomeFunction
-          [dep2]: { fnC: () => Promise.resolve('barfob') }
-        }));
-        before(() => {
-            // Stub here all your module functions that the tested function uses (internal dependencies)
-            sinon.stub(m, 'aLocalFunctionMyAwesomeFunctionUses', () => true);
-        });
-        after(() => {
-            // Restore to ensure you don't silently impact other tests (that should stub this function too !)
-            m.aLocalFunctionMyAwesomeFunctionUses.restore();
-        });
-        it('should do stuff', () => expect(
-                m.myAwesomeFunction('foo')
-            )
-            .to.eventually.be.eql('bar')
-        );
+describe('myAwesomeFunction()', () => {
+    const m = proxyquire(testedModuleName, createStubs({
+      [dep1]: { fnA: () => 'foobar' },
+      // Here dep2.fnB is not stubbed because it's not used by myAwesomeFunction
+      [dep2]: { fnC: () => Promise.resolve('barfob') }
+    }));
+    before(() => {
+        // Stub here all your module functions that the tested function uses (internal dependencies)
+        sinon.stub(m, 'aLocalFunctionMyAwesomeFunctionUses', () => true);
     });
+    after(() => {
+        // Restore to ensure you don't silently impact other tests (that should stub this function too !)
+        m.aLocalFunctionMyAwesomeFunctionUses.restore();
+    });
+    it('should do stuff', () => expect(
+            m.myAwesomeFunction('foo')
+        )
+        .to.eventually.be.eql('bar')
+    );
 });
 
 // That's all, folks ! :3
diff --git a/test.js b/test.js
@@ -0,0 +1,63 @@
+// Awesomeness first
+const _ = require('lodash');
+const proxyquire = require('proxyquire');
+const sinon = require('sinon');
+
+// Mocha + Chai are used here but feel free to use your test framework of choice !
+const chai = require('chai');
+const chaiAsPromised = require('chai-as-promised');
+chai.use(chaiAsPromised);
+
+// Start with defining your module name
+const testedModuleName = 'path/to/my/tested/module';
+
+// This function is used as a default stub to force you to override it while adding tests
+const stubMe = fnName => () => {
+    throw new Error('Please stub this function call: ' + fnName);
+};
+
+/**
+ * First you prepare your external dependencies to be mocked
+ * If any external dependency is added to the tested module, you have to add its name here as well
+ */
+const dep1 = 'path/to/dep1';
+const dep2 = 'path/to/dep2';
+
+/**
+ * Then you prepare a higher order function that will help you easily override the default stub
+ * If any external dependency is added to the tested module, you have to add its called functions here as well
+ * As you can see, all default stubs are throwing functions, to ensure you will properly stub in the context of each test,
+ * and that each test will be independent from the others
+ */
+const createStubs = customStubs => _.defaults({}, customStubs, {
+    [dep1]: { fnA: stubMe('fnA') },
+    [dep2]: {
+        fnB: stubMe('fnB'),
+        fnC: stubMe('fnC')
+    }
+});
+
+// Then you can use it in your tests :3
+    describe('myAwesomeFunction()', () => {
+        const m = proxyquire(testedModuleName, createStubs({
+          [dep1]: { fnA: () => 'foobar' },
+          // Here dep2.fnB is not stubbed because it's not used by myAwesomeFunction
+          [dep2]: { fnC: () => Promise.resolve('barfob') }
+        }));
+        before(() => {
+            // Stub here all your module functions that the tested function uses (internal dependencies)
+            sinon.stub(m, 'aLocalFunctionMyAwesomeFunctionUses', () => true);
+        });
+        after(() => {
+            // Restore to ensure you don't silently impact other tests (that should stub this function too !)
+            m.aLocalFunctionMyAwesomeFunctionUses.restore();
+        });
+        it('should do stuff', () => expect(
+                m.myAwesomeFunction('foo')
+            )
+            .to.eventually.be.eql('bar')
+        );
+    });
+});
+
+// That's all, folks ! :3
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