From 9ebf963be6826fd30573edd276bd6a170baae144 Mon Sep 17 00:00:00 2001
From: Emily Stark <emily@meteor.com>
Date: Thu, 15 May 2014 13:55:55 -0700
Subject: [PATCH] Add a test for cleaning up event handlers when template is
 destroyed

---
 packages/spacebars-tests/template_tests.html | 10 +++++++
 packages/spacebars-tests/template_tests.js   | 28 ++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/packages/spacebars-tests/template_tests.html b/packages/spacebars-tests/template_tests.html
index 0f2e733dcd..ba8f20fa27 100644
--- a/packages/spacebars-tests/template_tests.html
+++ b/packages/spacebars-tests/template_tests.html
@@ -726,3 +726,13 @@ Hi there!
   <img src="{{foo}}" />
   <input value="{{foo}}" />
 </template>
+
+<template name="spacebars_test_event_handler_cleanup">
+  {{#if foo}}
+    {{>spacebars_test_event_handler_cleanup_sub}}
+  {{/if}}
+</template>
+
+<template name="spacebars_test_event_handler_cleanup_sub">
+  <div></div>
+</template>
diff --git a/packages/spacebars-tests/template_tests.js b/packages/spacebars-tests/template_tests.js
index f6eff667fd..a222349045 100644
--- a/packages/spacebars-tests/template_tests.js
+++ b/packages/spacebars-tests/template_tests.js
@@ -2021,3 +2021,31 @@ Tinytest.add(
     checkAttrs("    javascript:alert(1)", false);
   }
 );
+
+Tinytest.add(
+  "spacebars - template - event handlers get cleaned up with template is removed",
+  function (test) {
+    var tmpl = Template.spacebars_test_event_handler_cleanup;
+    var subtmpl = Template.spacebars_test_event_handler_cleanup_sub;
+
+    var rv = new ReactiveVar(true);
+    tmpl.foo = function () {
+      return rv.get();
+    };
+
+    subtmpl.events({
+      "click/mouseover": function () { }
+    });
+
+    var div = renderToDiv(tmpl);
+
+    test.equal(div.$_uievents["click"].handlers.length, 1);
+    test.equal(div.$_uievents["mouseover"].handlers.length, 1);
+
+    rv.set(false);
+    Deps.flush();
+
+    test.equal(div.$_uievents["click"].handlers.length, 0);
+    test.equal(div.$_uievents["mouseover"].handlers.length, 0);
+  }
+);