Allow users to set a default spy strategy

spec/core/integration/DefaultSpyStrategySpec.js

@@ -0,0 +1,68 @@
+describe('Default Spy Strategy (Integration)', function() {
+  var env;
+
+  beforeEach(function() {
+    env = new jasmineUnderTest.Env();
+    env.configure({random: false});
+  });
+
+  it('allows defining a default spy strategy', function(done) {
+    env.describe('suite with default strategy', function() {
+      env.beforeEach(function() {
+        env.setDefaultSpyStrategy(function (and) {
+          and.returnValue(42);
+        });
+      });
+
+      env.it('spec in suite', function() {
+        var spy = env.createSpy('something');
+        expect(spy()).toBe(42);
+      });
+    });
+
+    env.it('spec not in suite', function() {
+      var spy = env.createSpy('something');
+      expect(spy()).toBeUndefined();
+    });
+
+    function jasmineDone(result) {
+      expect(result.overallStatus).toEqual('passed');
+      done();
+    }
+
+    env.addReporter({ jasmineDone: jasmineDone });
+    env.execute();
+  });
+
+  it('uses the default spy strategy defined when the spy is created', function (done) {
+    env.it('spec', function() {
+      var a = env.createSpy('a');
+      env.setDefaultSpyStrategy(function (and) { and.returnValue(42); });
+      var b = env.createSpy('b');
+      env.setDefaultSpyStrategy(function (and) { and.stub(); });
+      var c = env.createSpy('c');
+      env.setDefaultSpyStrategy();
+      var d = env.createSpy('d');
+
+      expect(a()).toBeUndefined();
+      expect(b()).toBe(42);
+      expect(c()).toBeUndefined();
+      expect(d()).toBeUndefined();
+
+      // Check our assumptions about which spies are "configured" (this matters because
+      // spies that use withArgs() behave differently if they are not configured).
+      expect(a.and.isConfigured()).toBe(false);
+      expect(b.and.isConfigured()).toBe(true);
+      expect(c.and.isConfigured()).toBe(true);
+      expect(d.and.isConfigured()).toBe(false);
+    });
+
+    function jasmineDone(result) {
+      expect(result.overallStatus).toEqual('passed');
+      done();
+    }
+
+    env.addReporter({ jasmineDone: jasmineDone });
+    env.execute();
+  });
+});