1 files changed, 77 insertions, 0 deletions
diff --git a/devtools/client/storage/test/browser_storage_empty_objectstores.js b/devtools/client/storage/test/browser_storage_empty_objectstores.js
new file mode 100644
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+++ b/devtools/client/storage/test/browser_storage_empty_objectstores.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Basic test to assert that the storage tree and table corresponding to each
+// item in the storage tree is correctly displayed.
+
+"use strict";
+
+// Entries that should be present in the tree for this test
+// Format for each entry in the array:
+// [
+//   ["path", "to", "tree", "item"],
+//   - The path to the tree item to click formed by id of each item
+//   ["key_value1", "key_value2", ...]
+//   - The value of the first (unique) column for each row in the table
+//     corresponding to the tree item selected.
+// ]
+// These entries are formed by the cookies, local storage, session storage and
+// indexedDB entries created in storage-listings.html,
+// storage-secured-iframe.html and storage-unsecured-iframe.html
+const storeItems = [
+  [["indexedDB", "http://test1.example.org"],
+   ["idb1", "idb2"]],
+  [["indexedDB", "http://test1.example.org", "idb1"],
+   ["obj1", "obj2"]],
+  [["indexedDB", "http://test1.example.org", "idb2"],
+   []],
+  [["indexedDB", "http://test1.example.org", "idb1", "obj1"],
+   [1, 2, 3]],
+  [["indexedDB", "http://test1.example.org", "idb1", "obj2"],
+   [1]]
+];
+
+/**
+ * Test that the desired number of tree items are present
+ */
+function testTree() {
+  let doc = gPanelWindow.document;
+  for (let [item] of storeItems) {
+    ok(doc.querySelector(`[data-id='${JSON.stringify(item)}']`),
+      `Tree item ${item} should be present in the storage tree`);
+  }
+}
+
+/**
+ * Test that correct table entries are shown for each of the tree item
+ */
+let testTables = function* () {
+  let doc = gPanelWindow.document;
+  // Expand all nodes so that the synthesized click event actually works
+  gUI.tree.expandAll();
+
+  // Click the tree items and wait for the table to be updated
+  for (let [item, ids] of storeItems) {
+    yield selectTreeItem(item);
+
+    // Check whether correct number of items are present in the table
+    is(doc.querySelectorAll(
+         ".table-widget-wrapper:first-of-type .table-widget-cell"
+       ).length, ids.length, "Number of items in table is correct");
+
+    // Check if all the desired items are present in the table
+    for (let id of ids) {
+      ok(doc.querySelector(".table-widget-cell[data-id='" + id + "']"),
+        `Table item ${id} should be present`);
+    }
+  }
+};
+
+add_task(function* () {
+  yield openTabAndSetupStorage(MAIN_DOMAIN + "storage-empty-objectstores.html");
+
+  testTree();
+  yield testTables();
+  yield finishTests();
+});