add spy.reset method and tests

chaijs · Jul 7, 2015 · 381511d · 381511d
1 parent d881adf
commit 381511d
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Showing 2 changed files with 45 additions and 5 deletions.
diff --git a/lib/spy.js b/lib/spy.js
@@ -71,13 +71,23 @@ module.exports = function (chai, _) {
       s += " }";
       return s;
     };
-    proxy.__spy = {
+
+  /**
+   * # proxy.reset (function)
+   *
+   * Resets __spy object parameters for instantiation and reuse
+   * @returns proxy spy object
+   */
+    proxy.reset = function() {
+      this.__spy = {
         calls: []
-      , called: false
-      , name: name
-    };
+        , called: false
+        , name: name
+      };
+      return this;
+    }
 
-    return proxy;
+    return proxy.reset();
   }
 
   /**

diff --git a/test/spies.js b/test/spies.js
@@ -401,4 +401,34 @@ describe('Chai Spies', function () {
       object.push().should.equal('push');
     });
   });
+
+  describe('reset method', function() {
+    it('should reset spy object values to defaults when called', function() {
+      var name = 'proxy';
+      var spy = chai.spy(name);
+
+      spy();
+      spy.should.have.been.called();
+      spy.__spy.called.should.be.true;
+      spy.__spy.calls.should.have.length(1);
+      spy.__spy.name.should.be.equal(name);
+
+      spy.reset();
+
+      spy.should.not.have.been.called();
+      spy.__spy.called.should.be.false;
+      spy.__spy.calls.should.have.length(0);
+      spy.__spy.name.should.be.equal(name);
+    });
+
+    it('should setup spy with default values when spy is instantiated', function() {
+      var name     = 'proxy';
+      var spy      = chai.spy(name);
+
+      spy.should.be.spy;
+      spy.__spy.called.should.be.false;
+      spy.__spy.calls.should.have.length(0);
+      spy.__spy.name.should.be.equal(name);
+    });
+  });
 });