node tests: Extract render.find_included_partials().

frontend_tests/node_tests/templates.js

@@ -42,6 +42,18 @@ fs.readdirSync(path.join(__dirname, "../../static/templates/", "settings")).forE
     render(o.replace(/\.handlebars/, ""));
 });
 
+(function test_finding_partials () {
+    var fns = global.find_included_partials('settings_tab');
+    assert.deepEqual(fns, [
+        'account-settings',
+        'display-settings',
+        'notification-settings',
+        'bot-settings',
+        'alert-word-settings',
+        'ui-settings'
+    ]);
+}());
+
 (function test_handlebars_bug () {
     // There was a bug in 1.0.9 where identically structured
     // blocks get confused, so when foo is false, it still

frontend_tests/zjsunit/index.js

@@ -24,6 +24,7 @@ var render = require('./render.js');
 global.use_template = render.use_template;
 global.make_sure_all_templates_have_been_compiled = render.make_sure_all_templates_have_been_compiled;
 global.partial_finder = render.partial_finder;
+global.find_included_partials = render.find_included_partials;
 global.walk = render.walk;
 
 // Set up helpers to output HTML

frontend_tests/zjsunit/render.js

@@ -112,6 +112,27 @@ exports.template_finder = (function () {
     return self;
 }());
 
+exports.find_included_partials = function (name) {
+
+    var file = exports.template_finder.get(name);
+
+    assert(file);
+
+    var template = fs.readFileSync(file.url, "utf8");
+
+    var lst = [];
+
+    // match partial tags.
+    // this uses String.prototype.replace which is kind of hacky but
+    // it is the only JS function IIRC that allows you to match all
+    // instances of a pattern AND return capture groups.
+    template.replace(/\{\{\s*partial\s*"(.+?)"/ig, function (match, $1) {
+        lst.push($1);
+    });
+
+    return lst;
+};
+
 exports.partial_finder = (function () {
     var meta = {
         read: []
@@ -128,20 +149,12 @@ exports.partial_finder = (function () {
             }
 
             meta.read.push(name);
+            var included_fns = exports.find_included_partials(name);
 
-            var file = exports.template_finder.get(name);
+            _.each(included_fns, function (fn) {
+                __prototype__(fn, callback);
+            });
 
-            if (file) {
-                var template = fs.readFileSync(file.url, "utf8");
-
-                // match partial tags.
-                // this uses String.prototype.replace which is kind of hacky but
-                // it is the only JS function IIRC that allows you to match all
-                // instances of a pattern AND return capture groups.
-                template.replace(/\{\{\s*partial\s*"(.+?)"/ig, function (match, $1) {
-                    __prototype__($1, callback);
-                });
-            }
         }
     };