runWhenCalled

usage.js

it('opens the options with the correct constraints details', function(done) {
    // It shouldn't show constraints details if the manual placement radio
    // is selected.
    var toggleScaleUp = utils.makeStubMethod(View.prototype, '_toggleScaleUp');
    this._cleanups.push(toggleScaleUp.reset);
    var toggleConstraints = utils.makeStubMethod(
        View.prototype, '_toggleConstraints');
    this._cleanups.push(toggleConstraints.reset);

    instantiateView(this).render();
    var button = container.one('.add.button');

    toggleScaleUp.resume(function() {
      validateVisibility({ constraints: 'block' });
      // Change the radio options to 'manually place'
      var radio = container.one('input#manually-place');
      radio.simulate('click');
    }, view);

    toggleConstraints.resume(null, view);

    toggleConstraints.resume(function() {
      // Constraints should not be shown if 'manually-place' radio button is
      // checked.
      validateVisibility({ constraints: 'none' });
      // Close the scale-up up
      button.simulate('click');
    }, view);

    toggleScaleUp.resume(function() {
      // The placement UI should be hidden.
      validateVisibility({ placement: 'none' });
      // Open the scale-up view
      button.simulate('click');
    }, view);

    toggleScaleUp.resume(function() {
      // Validate that it ends up in the proper state.
      validateVisibility({
        placement: 'block',
        constraints: 'none',
        editConstraints: 'none',
        inspectorButtons: 'block'
      });
      done();
    }, view);

    // Open the scale-up view.
    button.simulate('click');

  });

utils.js

diff --git a/test/utils.js b/test/utils.js
index 493a99c..15b5ed9 100644
--- a/test/utils.js
+++ b/test/utils.js
@@ -38,8 +38,14 @@ YUI(GlobalConfig).add('juju-tests-utils', function(Y) {
       }
       var f = function() {
         var response = responses[(f._allArguments.length) % responses.length];
-        f._allArguments.push(Array.prototype.slice.call(arguments, 0));
+        var index = f._allArguments.push(
+                              Array.prototype.slice.call(arguments, 0));
         f._callbacks.forEach(function(cb) {cb.call(f);});
+        if (Y.Lang.isArray(f._resumeCallbacks)) {
+          if (typeof f._resumeCallbacks[index - 1] === 'function') {
+            f._resumeCallbacks[index - 1]();
+          }
+        }
         return response;
       };
       f._allArguments = [];
@@ -83,6 +89,18 @@ YUI(GlobalConfig).add('juju-tests-utils', function(Y) {
       var original = context[name];
       var f = context[name] = jujuTests.utils.makeStubFunction.apply(
           jujuTests.utils, responses);
+      f._resumeCallbacks = [];
+      f.resume = function(callback, instance) {
+        if (!Y.Lang.isValue(instance)) {
+          instance = context;
+        }
+        f._resumeCallbacks.push(function() {
+          f.passThroughToOriginalMethod(instance);
+          if (typeof callback === 'function') {
+            callback.apply(instance, f.lastArguments());
+          }
+        });
+      };
       f.reset = function() {
         context[name] = original;
       };