Add tests

packages/ffmpeg/tests/.eslintrc.json

@@ -0,0 +1,14 @@
+{
+  "extends": "eslint:recommended",
+  "globals": {
+    "expect": true,
+    "createFFmpeg": true,
+    "VIDEO_1S_MP4": true
+  },
+  "env": {
+    "node": true,
+    "commonjs": true,
+    "mocha": true,
+    "es2022": true
+  }
+}

packages/ffmpeg/tests/constants.js

@@ -0,0 +1,7 @@
+const VIDEO_1S_MP4 =
+  "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";
+if (typeof module !== "undefined") {
+  module.exports = {
+    VIDEO_1S_MP4,
+  };
+}

packages/ffmpeg/tests/ffmpeg.test.html

@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>FFmpeg Unit Test</title>
+  <link rel="stylesheet" href="../../../node_modules/mocha/mocha.css">
+</head>
+<body>
+  <div id="mocha"></div>
+  <script src="../../../node_modules/mocha/mocha.js"></script>
+  <script src="../../../node_modules/chai/chai.js"></script>
+  <script src="../dist/commonjs/ffmpeg.js"></script>
+  <script src="./constants.js"></script>
+  <script>mocha.setup('bdd');</script>
+  <script src="./ffmpeg.test.js"></script>
+  <script>
+    window.expect = chai.expect;
+    mocha.run();
+  </script>
+</body>
+</html>

packages/ffmpeg/tests/ffmpeg.test.js

@@ -0,0 +1,109 @@
+let ffmpeg;
+
+const b64ToUint8Array = (b64) => {
+  const bin = atob(b64);
+  const len = bin.length;
+  const bytes = new Uint8Array(len);
+  for (let i = 0; i < len; i++) {
+    bytes[i] = bin.charCodeAt(i);
+  }
+  return bytes;
+};
+
+const reset = () => {
+  ffmpeg.reset();
+  ffmpeg.setLogger(() => {});
+  ffmpeg.setProgress(() => {});
+};
+
+before(async () => {
+  ffmpeg = await createFFmpeg();
+  ffmpeg.FS.writeFile("video.mp4", b64ToUint8Array(VIDEO_1S_MP4));
+});
+
+describe("createFFmpeg()", () => {
+  it("should be OK", () => {
+    expect(ffmpeg).to.be.ok;
+  });
+});
+
+describe("reset()", () => {
+  beforeEach(reset);
+
+  it("should exist", () => {
+    expect("reset" in ffmpeg).to.be.true;
+  });
+
+  it("should reset ret and timeout", () => {
+    ffmpeg.ret = 1024;
+    ffmpeg.timeout = 1024;
+
+    ffmpeg.reset();
+
+    expect(ffmpeg.ret).to.equal(-1);
+    expect(ffmpeg.timeout).to.equal(-1);
+  });
+});
+
+describe("exec()", () => {
+  beforeEach(reset);
+
+  it("should exist", () => {
+    expect("exec" in ffmpeg).to.be.true;
+  });
+
+  it("should output help", () => {
+    expect(ffmpeg.exec(["-h"])).to.equal(0);
+  });
+
+  it("should transcode", () => {
+    expect(ffmpeg.exec(["-i", "video.mp4", "video.avi"])).to.equal(0);
+    const out = ffmpeg.FS.readFile("video.avi");
+    expect(out.length).to.not.equal(0);
+    ffmpeg.FS.unlink("video.avi");
+  });
+});
+
+describe("setTimeout()", () => {
+  beforeEach(reset);
+
+  it("should exist", () => {
+    expect("setTimeout" in ffmpeg).to.be.true;
+  });
+
+  it("should timeout", () => {
+    ffmpeg.setTimeout(1); // timeout after 1ms
+    expect(ffmpeg.exec(["-i", "video.mp4", "video.avi"])).to.equal(1);
+  });
+});
+
+describe("setLogger()", () => {
+  beforeEach(reset);
+
+  it("should exist", () => {
+    expect("setLogger" in ffmpeg).to.be.true;
+  });
+
+  it("should handle logs", () => {
+    const logs = [];
+    ffmpeg.setLogger(({ message }) => logs.push(message));
+    ffmpeg.exec(["-h"]);
+    expect(logs.length).to.not.equal(0);
+  });
+});
+
+describe("setProgress()", () => {
+  beforeEach(reset);
+
+  it("should exist", () => {
+    expect("setProgress" in ffmpeg).to.be.true;
+  });
+
+  it("should handle progress", () => {
+    let progress = 0;
+    ffmpeg.setProgress((_progress) => (progress = _progress));
+    expect(ffmpeg.exec(["-i", "video.mp4", "video.avi"])).to.equal(0);
+    expect(progress).to.equal(1);
+    ffmpeg.FS.unlink("video.avi");
+  });
+});

packages/ffmpeg/tests/ffmpeg.test.ts

@@ -1,34 +0,0 @@
-import type { FFmpegModule } from "..";
-import createFFmpeg from "..";
-
-let core: FFmpegModule;
-
-beforeAll(async () => {
-  core = await createFFmpeg();
-});
-
-describe("core", () => {
-  test("core is ready", () => {
-    expect(core).not.toBeUndefined();
-  });
-
-  test("core functions are exported", () => {
-    expect("NULL" in core).toBeTruthy();
-    expect("SIZE_I32" in core).toBeTruthy();
-    expect("exec" in core).toBeTruthy();
-    expect("stringToPtr" in core).toBeTruthy();
-    expect("stringsToPtr" in core).toBeTruthy();
-  });
-});
-
-describe("stringToPtr()", () => {
-  test("convert a string to pointer", () => {
-    expect(core.stringToPtr("string")).not.toBe(core.NULL);
-  });
-});
-
-describe("stringsToPtr()", () => {
-  test("convert a string array to pointer", () => {
-    expect(core.stringsToPtr(["string"])).not.toBe(core.NULL);
-  });
-});

packages/ffmpeg/tests/test-helper.js

@@ -0,0 +1,10 @@
+const chai = require("chai");
+const constants = require("../tests/constants");
+
+global.expect = chai.expect;
+global.createFFmpeg = require("..");
+global.atob = (b64) => Buffer.from(b64, "base64").toString("binary");
+
+Object.keys(constants).forEach((key) => {
+  global[key] = constants[key];
+});