Add non-submodule vendor directory.

Former-commit-id: 392cdade55487e774e959013d8d25ae0b1dfe93b

vendor/backbone/test/events.js

@@ -0,0 +1,195 @@
+$(document).ready(function() {
+
+  module("Backbone.Events");
+
+  test("Events: on and trigger", 2, function() {
+    var obj = { counter: 0 };
+    _.extend(obj,Backbone.Events);
+    obj.on('event', function() { obj.counter += 1; });
+    obj.trigger('event');
+    equal(obj.counter,1,'counter should be incremented.');
+    obj.trigger('event');
+    obj.trigger('event');
+    obj.trigger('event');
+    obj.trigger('event');
+    equal(obj.counter, 5, 'counter should be incremented five times.');
+  });
+
+  test("Events: binding and triggering multiple events", 4, function() {
+    var obj = { counter: 0 };
+    _.extend(obj,Backbone.Events);
+
+    obj.on('a b c', function() { obj.counter += 1; });
+
+    obj.trigger('a');
+    equal(obj.counter, 1);
+
+    obj.trigger('a b');
+    equal(obj.counter, 3);
+
+    obj.trigger('c');
+    equal(obj.counter, 4);
+
+    obj.off('a c');
+    obj.trigger('a b c');
+    equal(obj.counter, 5);
+  });
+
+  test("Events: trigger all for each event", 3, function() {
+    var a, b, obj = { counter: 0 };
+    _.extend(obj, Backbone.Events);
+    obj.on('all', function(event) {
+      obj.counter++;
+      if (event == 'a') a = true;
+      if (event == 'b') b = true;
+    })
+    .trigger('a b');
+    ok(a);
+    ok(b);
+    equal(obj.counter, 2);
+  });
+
+  test("Events: on, then unbind all functions", 1, function() {
+    var obj = { counter: 0 };
+    _.extend(obj,Backbone.Events);
+    var callback = function() { obj.counter += 1; };
+    obj.on('event', callback);
+    obj.trigger('event');
+    obj.off('event');
+    obj.trigger('event');
+    equal(obj.counter, 1, 'counter should have only been incremented once.');
+  });
+
+  test("Events: bind two callbacks, unbind only one", 2, function() {
+    var obj = { counterA: 0, counterB: 0 };
+    _.extend(obj,Backbone.Events);
+    var callback = function() { obj.counterA += 1; };
+    obj.on('event', callback);
+    obj.on('event', function() { obj.counterB += 1; });
+    obj.trigger('event');
+    obj.off('event', callback);
+    obj.trigger('event');
+    equal(obj.counterA, 1, 'counterA should have only been incremented once.');
+    equal(obj.counterB, 2, 'counterB should have been incremented twice.');
+  });
+
+  test("Events: unbind a callback in the midst of it firing", 1, function() {
+    var obj = {counter: 0};
+    _.extend(obj, Backbone.Events);
+    var callback = function() {
+      obj.counter += 1;
+      obj.off('event', callback);
+    };
+    obj.on('event', callback);
+    obj.trigger('event');
+    obj.trigger('event');
+    obj.trigger('event');
+    equal(obj.counter, 1, 'the callback should have been unbound.');
+  });
+
+  test("Events: two binds that unbind themeselves", 2, function() {
+    var obj = { counterA: 0, counterB: 0 };
+    _.extend(obj,Backbone.Events);
+    var incrA = function(){ obj.counterA += 1; obj.off('event', incrA); };
+    var incrB = function(){ obj.counterB += 1; obj.off('event', incrB); };
+    obj.on('event', incrA);
+    obj.on('event', incrB);
+    obj.trigger('event');
+    obj.trigger('event');
+    obj.trigger('event');
+    equal(obj.counterA, 1, 'counterA should have only been incremented once.');
+    equal(obj.counterB, 1, 'counterB should have only been incremented once.');
+  });
+
+  test("Events: bind a callback with a supplied context", 1, function () {
+    var TestClass = function () {
+      return this;
+    };
+    TestClass.prototype.assertTrue = function () {
+      ok(true, '`this` was bound to the callback');
+    };
+
+    var obj = _.extend({},Backbone.Events);
+    obj.on('event', function () { this.assertTrue(); }, (new TestClass));
+    obj.trigger('event');
+  });
+
+  test("Events: nested trigger with unbind", 1, function () {
+    var obj = { counter: 0 };
+    _.extend(obj, Backbone.Events);
+    var incr1 = function(){ obj.counter += 1; obj.off('event', incr1); obj.trigger('event'); };
+    var incr2 = function(){ obj.counter += 1; };
+    obj.on('event', incr1);
+    obj.on('event', incr2);
+    obj.trigger('event');
+    equal(obj.counter, 3, 'counter should have been incremented three times');
+  });
+
+  test("Events: callback list is not altered during trigger", 2, function () {
+    var counter = 0, obj = _.extend({}, Backbone.Events);
+    var incr = function(){ counter++; };
+    obj.on('event', function(){ obj.on('event', incr).on('all', incr); })
+    .trigger('event');
+    equal(counter, 0, 'bind does not alter callback list');
+    obj.off()
+    .on('event', function(){ obj.off('event', incr).off('all', incr); })
+    .on('event', incr)
+    .on('all', incr)
+    .trigger('event');
+    equal(counter, 2, 'unbind does not alter callback list');
+  });
+
+  test("#1282 - 'all' callback list is retrieved after each event.", 1, function() {
+    var counter = 0;
+    var obj = _.extend({}, Backbone.Events);
+    var incr = function(){ counter++; };
+    obj.on('x', function() {
+      obj.on('y', incr).on('all', incr);
+    })
+    .trigger('x y');
+    strictEqual(counter, 2);
+  });
+
+  test("if no callback is provided, `on` is a noop", 0, function() {
+    _.extend({}, Backbone.Events).on('test').trigger('test');
+  });
+
+  test("remove all events for a specific context", 4, function() {
+    var obj = _.extend({}, Backbone.Events);
+    obj.on('x y all', function() { ok(true); });
+    obj.on('x y all', function() { ok(false); }, obj);
+    obj.off(null, null, obj);
+    obj.trigger('x y');
+  });
+
+  test("remove all events for a specific callback", 4, function() {
+    var obj = _.extend({}, Backbone.Events);
+    var success = function() { ok(true); };
+    var fail = function() { ok(false); };
+    obj.on('x y all', success);
+    obj.on('x y all', fail);
+    obj.off(null, fail);
+    obj.trigger('x y');
+  });
+
+  test("off is chainable", 3, function() {
+    var obj = _.extend({}, Backbone.Events);
+    // With no events
+    ok(obj.off() === obj);
+    // When removing all events
+    obj.on('event', function(){}, obj);
+    ok(obj.off() === obj);
+    // When removing some events
+    obj.on('event', function(){}, obj);
+    ok(obj.off('event') === obj);
+  });
+
+  test("#1310 - off does not skip consecutive events", 0, function() {
+    var obj = _.extend({}, Backbone.Events);
+    obj.on('event', function() { ok(false); }, obj);
+    obj.on('event', function() { ok(false); }, obj);
+    obj.off(null, null, obj);
+    obj.trigger('event');
+  });
+
+});