Migrate webamp tests from Jest to Vitest

packages/webamp/js/__mocks__/mediaMock.js

@@ -1,9 +1,11 @@
+import { vi } from "vitest";
+
 const media = {
-  addEventListener: jest.fn(),
-  setVolume: jest.fn(),
-  setBalance: jest.fn(),
-  setPreamp: jest.fn(),
+  addEventListener: vi.fn(),
+  setVolume: vi.fn(),
+  setBalance: vi.fn(),
+  setPreamp: vi.fn(),
   getAnalyser: () => null,
-  on: jest.fn(),
+  on: vi.fn(),
 };
 export default media;

packages/webamp/js/__snapshots__/regionParser.test.js.snap

@@ -1,6 +1,6 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`regionParser parses Satellite M's region.txt 1`] = `
+exports[`regionParser > parses Satellite M's region.txt 1`] = `
 {
   "normal": [
     "4,0 271,0 271,116 4,116",
@@ -11,7 +11,7 @@ exports[`regionParser parses Satellite M's region.txt 1`] = `
 }
 `;
 
-exports[`regionParser parses a complex file 1`] = `
+exports[`regionParser > parses a complex file 1`] = `
 {
   "equalizer": [
     "2,0 9,0 9,2 2,2",
@@ -409,7 +409,7 @@ exports[`regionParser parses a complex file 1`] = `
 }
 `;
 
-exports[`regionParser parses a file with section headers but no info 1`] = `
+exports[`regionParser > parses a file with section headers but no info 1`] = `
 {
   "equalizer": [
     "0,0 0,115 20,20 274,115 274,0",
@@ -420,7 +420,7 @@ exports[`regionParser parses a file with section headers but no info 1`] = `
 }
 `;
 
-exports[`regionParser parses a region.txt where the points have leading commas 1`] = `
+exports[`regionParser > parses a region.txt where the points have leading commas 1`] = `
 {
   "equalizer": [
     "5,0 3,1 2,2 1,3 0,5 0,116 275,116 275,6 274,3 273,2 272,1 270,0",
@@ -437,7 +437,7 @@ exports[`regionParser parses a region.txt where the points have leading commas 1
 }
 `;
 
-exports[`regionParser parses the EVAunit region.txt 1`] = `
+exports[`regionParser > parses the EVAunit region.txt 1`] = `
 {
   "equalizer": [
     "4,0 4,3 2,3 0,5 0,116 275,116 275,5 273,3 270,3 270,0 237,0 237,3 183,3 183,0 129,0 129,3 17,3 17,0",
@@ -451,7 +451,7 @@ exports[`regionParser parses the EVAunit region.txt 1`] = `
 }
 `;
 
-exports[`regionParser parses the iTuned region.txt 1`] = `
+exports[`regionParser > parses the iTuned region.txt 1`] = `
 {
   "equalizer": [
     "5,0 269,0 269,116 5,116",

packages/webamp/js/__snapshots__/serialization.test.ts.snap

@@ -1,6 +1,6 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
+// Vitest Snapshot v1, https://vitest.dev/guide/snapshot.html
 
-exports[`can serialize the initial state 1`] = `
+exports[`can serialize > the initial state 1`] = `
 {
   "display": {
     "doubled": false,

packages/webamp/js/actionCreators/index.test.js

@@ -88,7 +88,7 @@ test("setEqBand", () => {
 });
 
 test("setEqToMax", () => {
-  const mockDispatch = jest.fn();
+  const mockDispatch = vi.fn();
   const dispatcher = setEqToMax();
   dispatcher(mockDispatch);
   const expectedCalls = BANDS.map((band) => [
@@ -98,7 +98,7 @@ test("setEqToMax", () => {
 });
 
 test("setEqToMin", () => {
-  const mockDispatch = jest.fn();
+  const mockDispatch = vi.fn();
   const dispatcher = setEqToMin();
   dispatcher(mockDispatch);
   const expectedCalls = BANDS.map((band) => [
@@ -108,7 +108,7 @@ test("setEqToMin", () => {
 });
 
 test("setEqToMid", () => {
-  const mockDispatch = jest.fn();
+  const mockDispatch = vi.fn();
   const dispatcher = setEqToMid();
   dispatcher(mockDispatch);
   const expectedCalls = BANDS.map((band) => [

packages/webamp/js/emitter.test.js

@@ -2,15 +2,15 @@ import Emitter from "./emitter";
 
 describe("Emitter", () => {
   it("calls a callback", () => {
-    const mock = jest.fn();
+    const mock = vi.fn();
     const emitter = new Emitter();
     emitter.on("some-event", mock);
     emitter.trigger("some-event");
     expect(mock).toHaveBeenCalled();
   });
   it("calls multiple callbacks", () => {
-    const mock1 = jest.fn();
-    const mock2 = jest.fn();
+    const mock1 = vi.fn();
+    const mock2 = vi.fn();
     const emitter = new Emitter();
     emitter.on("some-event", mock1);
     emitter.on("some-event", mock2);
@@ -19,7 +19,7 @@ describe("Emitter", () => {
     expect(mock2).toHaveBeenCalled();
   });
   it("returns an unsubscribe function", () => {
-    const mock = jest.fn();
+    const mock = vi.fn();
     const emitter = new Emitter();
     const unsubscribe = emitter.on("some-event", mock);
     emitter.trigger("some-event");
@@ -32,7 +32,7 @@ describe("Emitter", () => {
     expect(mock).toHaveBeenCalledTimes(1);
   });
   it("subscriptions do not take effent until the next event", () => {
-    const mock = jest.fn();
+    const mock = vi.fn();
     const emitter = new Emitter();
     emitter.on("some-event", () => {
       emitter.on("some-event", mock);
@@ -41,7 +41,7 @@ describe("Emitter", () => {
     expect(mock).not.toHaveBeenCalled();
   });
   it("unsubscribe does not take effect until the next event", () => {
-    const mock = jest.fn();
+    const mock = vi.fn();
     const emitter = new Emitter();
     emitter.on("some-event", () => {
       unsubscribe(); // eslint-disable-line no-use-before-define

packages/webamp/js/reducers/milkdrop.test.js

@@ -5,12 +5,12 @@ import * as Selectors from "../selectors";
 
 // Actually tests action creators too
 const media = {
-  addEventListener: jest.fn(),
-  setVolume: jest.fn(),
-  setBalance: jest.fn(),
-  setPreamp: jest.fn(),
+  addEventListener: vi.fn(),
+  setVolume: vi.fn(),
+  setBalance: vi.fn(),
+  setPreamp: vi.fn(),
   getAnalyser: () => null,
-  on: jest.fn(),
+  on: vi.fn(),
 };
 
 test("The first tack is picked at random", () => {