Allow adding custom spy strategies

[#37288941]

spec/core/integration/CustomSpyStrategiesSpec.js

@@ -0,0 +1,98 @@
+describe('Custom Spy Strategies (Integration)', function() {
+  var env;
+
+  beforeEach(function() {
+    env = new jasmineUnderTest.Env();
+    env.randomizeTests(false);
+  });
+
+  it('allows adding more strategies local to a suite', function(done) {
+    var strategyInstance = jasmine.createSpy('custom strategy instance')
+      .and.returnValue(42);
+    var strategyFactory = jasmine.createSpy('custom strategy factory')
+      .and.returnValue(strategyInstance);
+
+    env.describe('suite defining a custom spy strategy', function() {
+      env.beforeEach(function() {
+        env.addSpyStrategy('frobnicate', strategyFactory);
+      });
+
+      env.it('spec in the suite', function() {
+        var spy = env.createSpy('something').and.frobnicate(17);
+        expect(spy(1, 2, 3)).toEqual(42);
+        expect(strategyFactory).toHaveBeenCalledWith(17);
+        expect(strategyInstance).toHaveBeenCalledWith(1, 2, 3);
+      });
+    });
+
+    env.it('spec without custom strategy defined', function() {
+      expect(env.createSpy('something').and.frobnicate).toBeUndefined();
+    });
+
+    function jasmineDone(result) {
+      expect(result.overallStatus).toEqual('passed');
+      done();
+    }
+
+    env.addReporter({ jasmineDone: jasmineDone });
+    env.execute();
+  });
+
+  it('allows adding more strategies local to a spec', function(done) {
+    var strategyInstance = jasmine.createSpy('custom strategy instance')
+      .and.returnValue(42);
+    var strategyFactory = jasmine.createSpy('custom strategy factory')
+      .and.returnValue(strategyInstance);
+
+    env.it('spec defining a custom spy strategy', function() {
+      env.addSpyStrategy('frobnicate', strategyFactory);
+      var spy = env.createSpy('something').and.frobnicate(17);
+      expect(spy(1, 2, 3)).toEqual(42);
+      expect(strategyFactory).toHaveBeenCalledWith(17);
+      expect(strategyInstance).toHaveBeenCalledWith(1, 2, 3);
+    });
+
+    env.it('spec without custom strategy defined', function() {
+      expect(env.createSpy('something').and.frobnicate).toBeUndefined();
+    });
+
+    function jasmineDone(result) {
+      expect(result.overallStatus).toEqual('passed');
+      done();
+    }
+
+    env.addReporter({ jasmineDone: jasmineDone });
+    env.execute();
+  });
+
+  it('allows using custom strategies on a per-argument basis', function(done) {
+    var strategyInstance = jasmine.createSpy('custom strategy instance')
+      .and.returnValue(42);
+    var strategyFactory = jasmine.createSpy('custom strategy factory')
+      .and.returnValue(strategyInstance);
+
+    env.it('spec defining a custom spy strategy', function() {
+      env.addSpyStrategy('frobnicate', strategyFactory);
+      var spy = env.createSpy('something')
+        .and.returnValue('no args return')
+        .withArgs(1, 2, 3).and.frobnicate(17);
+
+      expect(spy()).toEqual('no args return');
+      expect(strategyInstance).not.toHaveBeenCalled();
+      expect(spy(1, 2, 3)).toEqual(42);
+      expect(strategyInstance).toHaveBeenCalledWith(1, 2, 3);
+    });
+
+    env.it('spec without custom strategy defined', function() {
+      expect(env.createSpy('something').and.frobnicate).toBeUndefined();
+    });
+
+    function jasmineDone(result) {
+      expect(result.overallStatus).toEqual('passed');
+      done();
+    }
+
+    env.addReporter({ jasmineDone: jasmineDone });
+    env.execute();
+  });
+});