1 files changed, 62 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/node/middleware/debounce.test.js b/devtools/client/webconsole/test/node/middleware/debounce.test.js
new file mode 100644
index 0000000000..56246286ce
--- /dev/null
+++ b/devtools/client/webconsole/test/node/middleware/debounce.test.js
@@ -0,0 +1,62 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const expect = require("expect");
+
+const {
+  debounceActions,
+} = require("resource://devtools/client/shared/redux/middleware/debounce.js");
+
+describe("Debounce Middleware", () => {
+  let nextArgs = [];
+  const fakeStore = {};
+  const fakeNext = (...args) => {
+    nextArgs.push(args);
+  };
+
+  beforeEach(() => {
+    nextArgs = [];
+  });
+
+  it("should pass the intercepted action to next", () => {
+    const fakeAction = {
+      type: "FAKE_ACTION",
+    };
+
+    debounceActions()(fakeStore)(fakeNext)(fakeAction);
+
+    expect(nextArgs.length).toEqual(1);
+    expect(nextArgs[0]).toEqual([fakeAction]);
+  });
+
+  it("should debounce if specified", () => {
+    const fakeAction = {
+      type: "FAKE_ACTION",
+      meta: {
+        debounce: true,
+      },
+    };
+
+    const executed = debounceActions(1, 1)(fakeStore)(fakeNext)(fakeAction);
+    expect(nextArgs.length).toEqual(0);
+
+    return executed.then(() => {
+      expect(nextArgs.length).toEqual(1);
+    });
+  });
+
+  it("should have no effect if no timeout", () => {
+    const fakeAction = {
+      type: "FAKE_ACTION",
+      meta: {
+        debounce: true,
+      },
+    };
+
+    debounceActions()(fakeStore)(fakeNext)(fakeAction);
+    expect(nextArgs.length).toEqual(1);
+    expect(nextArgs[0]).toEqual([fakeAction]);
+  });
+});