Close popup automatically after a successful save

tests/helpers.js

@@ -74,6 +74,11 @@ function loadPopupScript({ initialSettings } = {}) {
   );
   const savedCalls = [];
 
+  window.__closeCalled = false;
+  window.close = () => {
+    window.__closeCalled = true;
+  };
+
   window.chrome = {
     storage: {
       sync: {

tests/popup.test.js

@@ -133,3 +133,31 @@ test("unchecking a toggle and saving persists it as false", async () => {
   assert.strictEqual(savedCalls[0].skipCredits, false);
   assert.strictEqual(savedCalls[0].skipIntro, true);
 });
+
+test("closes the popup shortly after a successful save", async () => {
+  const { window } = loadPopupScript();
+  await wait(20);
+
+  window.document.getElementById("saveBtn").click();
+
+  await wait(50);
+  assert.strictEqual(window.__closeCalled, false, "should not close instantly, so the Saved message is visible");
+
+  await wait(700);
+  assert.strictEqual(window.__closeCalled, true, "should close shortly after saving");
+});
+
+test("does not close the popup when the save is rejected for a blank custom URL", async () => {
+  const { window } = loadPopupScript();
+  await wait(20);
+
+  const urlPreset = window.document.getElementById("urlPreset");
+  urlPreset.value = "custom";
+  urlPreset.dispatchEvent(new window.Event("change"));
+  window.document.getElementById("customUrl").value = "   ";
+
+  window.document.getElementById("saveBtn").click();
+  await wait(700);
+
+  assert.strictEqual(window.__closeCalled, false);
+});