1 files changed, 103 insertions, 0 deletions
diff --git a/comm/mail/components/unifiedtoolbar/test/unit/test_customizableItemsDetails.js b/comm/mail/components/unifiedtoolbar/test/unit/test_customizableItemsDetails.js
new file mode 100644
index 0000000000..474e5483ce
--- /dev/null
+++ b/comm/mail/components/unifiedtoolbar/test/unit/test_customizableItemsDetails.js
@@ -0,0 +1,103 @@
+/* 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/. */
+
+const { default: CUSTOMIZABLE_ITEMS } = ChromeUtils.importESModule(
+  "resource:///modules/CustomizableItemsDetails.mjs"
+);
+
+add_task(function test_format() {
+  for (const item of CUSTOMIZABLE_ITEMS) {
+    Assert.equal(typeof item, "object", "Customizable item is an object");
+    Assert.equal(typeof item.id, "string", `id "${item.id}" is a string`);
+    Assert.ok(!item.id.includes(","), `id "${item.id}" may not contain commas`);
+    Assert.greater(item.id.length, 0, `id "${item.id}" is not empty`);
+    Assert.equal(
+      typeof item.labelId,
+      "string",
+      `labelId is a string for ${item.id}`
+    );
+    Assert.greater(
+      item.labelId.length,
+      0,
+      `labelId is not empty for ${item.id}`
+    );
+    Assert.ok(
+      !item.allowMultiple || item.allowMultiple === true,
+      `allowMultiple is falsy or boolean for ${item.id}`
+    );
+    Assert.ok(
+      item.spaces === undefined || Array.isArray(item.spaces),
+      `spaces is undefined or an array for ${item.id}`
+    );
+    if (item.spaces) {
+      for (const space of item.spaces) {
+        Assert.equal(
+          typeof space,
+          "string",
+          `space "${space}" expected to be string for ${item.id}`
+        );
+        Assert.greater(
+          space.length,
+          0,
+          `space is not empty in ${item.id} spaces`
+        );
+      }
+    }
+    Assert.ok(
+      item.templateId === undefined || typeof item.templateId === "string",
+      `templateId must be undefined or a string for ${item.id}`
+    );
+    if (item.templateId !== undefined) {
+      Assert.greater(
+        item.templateId.length,
+        0,
+        `templateId is not empty for ${item.id}`
+      );
+      Assert.ok(
+        item.requiredModules === undefined ||
+          Array.isArray(item.requiredModules),
+        `requiredModules is undefined or an array for ${item.id}`
+      );
+      if (item.requiredModules) {
+        for (const module of item.requiredModules) {
+          Assert.equal(
+            typeof module,
+            "string",
+            `module "${module}" expected to be string for ${item.id}`
+          );
+          Assert.greater(
+            module.length,
+            0,
+            `module is not empty in ${item.id} requiredModules`
+          );
+        }
+      }
+    } else {
+      Assert.strictEqual(
+        item.requiredModules,
+        undefined,
+        `requiredModules must not be set because there is no template for item ${item.id}`
+      );
+    }
+    Assert.ok(
+      item.hasContextMenu === undefined ||
+        typeof item.hasContextMenu === "boolean",
+      `hasContextMenu must be undefined or a boolean for ${item.id}`
+    );
+    Assert.ok(
+      item.skipFocus === undefined || typeof item.skipFocus === "boolean",
+      `skipFocus must be undefined or a boolean for ${item.id}`
+    );
+  }
+});
+
+add_task(function test_idsUnique() {
+  const allIds = CUSTOMIZABLE_ITEMS.map(item => item.id);
+  const idCounts = allIds.reduce((counts, id) => {
+    counts[id] = counts[id] ? counts[id] + 1 : 1;
+    return counts;
+  }, {});
+  const duplicateIds = Object.keys(idCounts).filter(id => idCounts[id] > 1);
+  Assert.deepEqual(duplicateIds, [], "All IDs should only be used once");
+});