Ensure that gadget dependencies are loaded in the right order.

Thanks to Thibaut Frain for this patch.

Ensure that gadget dependencies are loaded in the right order.
Thanks to Thibaut Frain for this patch.
91266b6c · Romain Courteaud · 03fbd623 · 91266b6c · 91266b6c
Commit 91266b6c authored Jan 21, 2014 by Romain Courteaud
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Showing with 68 additions and 11 deletions

renderjs.js renderjs.js +11 -4

test/renderjs_test.js test/renderjs_test.js +57 -7

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--- a/renderjs.js
+++ b/renderjs.js
@@ -107,6 +107,13 @@
    if (options.element === undefined) {
      options.element = document.createElement("div");
    }
+
+    function loadDependency(method, url) {
+      return function () {
+        return method(url);
+      };
+    }
+
    return new RSVP.Queue()
      .push(function () {
        return renderJS.declareGadgetKlass(url);
@@ -131,17 +138,17 @@
      })
      // Load all JS/CSS
      .push(function (all_list) {
-        var parameter_list = [],
+        var q = new RSVP.Queue(),
          i;
        // Load JS
        for (i = 0; i < all_list[0].length; i += 1) {
-          parameter_list.push(renderJS.declareJS(all_list[0][i]));
+          q.push(loadDependency(renderJS.declareJS, all_list[0][i]));
        }
        // Load CSS
        for (i = 0; i < all_list[1].length; i += 1) {
-          parameter_list.push(renderJS.declareCSS(all_list[1][i]));
+          q.push(loadDependency(renderJS.declareCSS, all_list[1][i]));
        }
-        return RSVP.all(parameter_list);
+        return q;
      })
      .push(function () {
        return gadget_instance;

--- a/test/renderjs_test.js
+++ b/test/renderjs_test.js
@@ -1540,13 +1540,63 @@
      });
  });

-//   test('load dependency in the right order', function () {
-//     // Check that JS dependencies are loaded in the right order
-//     // Can be reproduce with real loading (http): 
-//     // * enormous 1 js
-//     // * second small js which require the 1 one to be loaded
-//     // How to mock the loading time?
-//   });
+  test('load dependency in the right order', function () {
+    // Check that JS dependencies are loaded in the right order
+    var gadget = new RenderJSGadget(),
+      html_url = 'https://example.org/files/qunittest/test22.html',
+      js1_url = "data:application/javascript;base64," +
+         window.btoa(
+          "test_js1 = {};"
+        ),
+      js2_url = "data:application/javascript;base64," +
+         window.btoa(
+          "test_js1.test_js2 = {}"
+        ),
+      js3_url = "data:application/javascript;base64," +
+         window.btoa(
+          "test_js1.test_js2.test_js3 = {}"
+        ),
+      js4_url = "data:application/javascript;base64," +
+         window.btoa(
+          "test_js1.test_js2.test_js3.test_js4 = {}"
+        ),
+      js5_url = "data:application/javascript;base64," +
+         window.btoa(
+          "test_js1.test_js2.test_js3.test_js4.test_js5 = {}"
+        ),
+      js6_url = "data:application/javascript;base64," +
+         window.btoa(
+          "test_js1.test_js2.test_js3.test_js4.test_js5.test_js6 = 'foo'"
+        ),
+      html = "<html>" +
+        "<head>" +
+        "<title>Foo title</title>" +
+        "<script src='" + js1_url + "' type='text/javascript'></script>" +
+        "<script src='" + js2_url + "' type='text/javascript'></script>" +
+        "<script src='" + js3_url + "' type='text/javascript'></script>" +
+        "<script src='" + js4_url + "' type='text/javascript'></script>" +
+        "<script src='" + js5_url + "' type='text/javascript'></script>" +
+        "<script src='" + js6_url + "' type='text/javascript'></script>" +
+        "</head><body><p>Bar content</p></body></html>";
+
+    this.server.respondWith("GET", html_url, [200, {
+      "Content-Type": "text/html"
+    }, html]);
+
+    stop();
+    gadget.declareGadget(html_url)
+      .then(function (new_gadget) {
+        equal(window.test_js1.test_js2.test_js3.test_js4.test_js5.test_js6,
+              'foo');
+      })
+      .fail(function (e) {
+        ok(false);
+      })
+      .always(function () {
+        start();
+      });
+
+  });

  test('Fail if klass can not be loaded', function () {
    // Check that gadget is not created if klass is can not be loaded