Add specs for $context binding property

vibster · Sep 24, 2012 · 5d5839b · 5d5839b
1 parent be8564f
commit 5d5839b
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Showing 2 changed files with 12 additions and 0 deletions.
diff --git a/spec/bindingAttributeBehaviors.js b/spec/bindingAttributeBehaviors.js
@@ -171,6 +171,12 @@ describe('Binding attribute syntax', {
         value_of(testNode).should_contain_text("DIV");
     },
 
+    'Should be able to use $context in binding value to refer to the context object': function() {
+        testNode.innerHTML = "<div data-bind='text: $context.$data === $data'></div>";
+        ko.applyBindings({}, testNode);
+        value_of(testNode).should_contain_text("true");
+    },
+
     'Should be able to refer to the bound object itself (at the root scope, the viewmodel) via $data': function() {
         testNode.innerHTML = "<div data-bind='text: $data.someProp'></div>";
         ko.applyBindings({ someProp: 'My prop value' }, testNode);

diff --git a/spec/templatingBehaviors.js b/spec/templatingBehaviors.js
@@ -286,6 +286,12 @@ describe('Templating', {
         value_of(testNode.childNodes[0]).should_contain_text("DIV");
     },
 
+    'Data binding syntax should be able to use $context in binding value to refer to the context object': function() {
+        ko.setTemplateEngine(new dummyTemplateEngine({ someTemplate: "<div data-bind='text: $context.$data === $data'></div>" }));
+        ko.renderTemplate("someTemplate", {}, null, testNode);
+        value_of(testNode.childNodes[0]).should_contain_text("true");
+    },
+
     'Data binding syntax should defer evaluation of variables until the end of template rendering (so bindings can take independent subscriptions to them)': function () {
         ko.setTemplateEngine(new dummyTemplateEngine({
             someTemplate: "<input data-bind='value:message' />[js: message = 'goodbye'; undefined; ]"