fix: Add web worker unit test

Fix worker issue (missing globalThis)

Signed-off-by: Gordon Smith <GordonJSmith@gmail.com>

.github/workflows/testPullRequest.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-node@v2
         with:
           node-version: "16.x"

karma.conf.js

@@ -4,9 +4,11 @@ module.exports = function (config) {
         files: [
             'dist-test/index.js',
             { pattern: 'dist/*.wasm', watched: false, included: false, served: true },
+            { pattern: 'dist-test/*.js', watched: false, included: false, served: true },
         ],
         proxies: {
-            "/dist/": "/base/dist/"
+            "/dist/": "/base/dist/",
+            "/dist-test/": "/base/dist-test/"
         },
         reporters: ['spec'],
         port: 9876,  // karma web server port

rollup.config.mjs

@@ -100,6 +100,7 @@ export default [
 
     browserTpl("lib-es6/__tests__/index", "dist-test/index", "dist-test/index.es6"),
     nodeTpl("lib-es6/__tests__/index", "dist-test/index.node", "dist-test/index.node.es6"),
+    browserTpl("lib-es6/__tests__/worker", "dist-test/worker", "dist-test/worker.es6"),
 
     binTpl("lib-es6/__bin__/dot-wasm", "bin/dot-wasm.mjs"),
     binTpl("lib-es6/__bin__/sfx-wasm", "bin/sfx-wasm.mjs"),

src/__tests__/base91.ts

@@ -20,7 +20,7 @@ describe("base91", function () {
         expect(data).to.deep.equal(data2);
     });
 
-    it("compressed", async function () {
+    it("encoded", async function () {
         const zstd = await Zstd.load();
         const data = new Uint8Array(Array.from({ length: 1000000 }, (_, i) => i % 256));
         const compressed_data = zstd.compress(data);
@@ -34,4 +34,32 @@ describe("base91", function () {
         const data2 = zstd.decompress(compressed_data2);
         expect(data).to.deep.equal(data2);
     });
+
+    if (globalThis.window?.Worker) {
+        it("worker", async function () {
+            const data = new Uint8Array(Array.from({ length: 1000 }, (_, i) => i % 256));
+
+            const value = await new Promise(resolve => {
+                const myWorker = new Worker("dist-test/worker.js");
+                myWorker.postMessage(data);
+                myWorker.onmessage = function (e) {
+                    resolve(e.data);
+                };
+            });
+            expect(value).to.deep.equal(data);
+        });
+
+        it("worker-es6", async function () {
+            const data = new Uint8Array(Array.from({ length: 1000 }, (_, i) => i % 256));
+
+            const value = await new Promise(resolve => {
+                const myWorker = new Worker("dist-test/worker.es6.js");
+                myWorker.postMessage(data);
+                myWorker.onmessage = function (e) {
+                    resolve(e.data);
+                };
+            });
+            expect(value).to.deep.equal(data);
+        });
+    }
 });

src/__tests__/worker.ts

@@ -0,0 +1,8 @@
+import { Base91 } from "../index";
+
+onmessage = async function (e) {
+    const base91 = await Base91.load();
+    const base91Str = base91.encode(e.data);
+    const data = base91.decode(base91Str);
+    postMessage(data);
+};

src/fetch-browser.ts

@@ -1,2 +1,2 @@
-let _scriptDir = (document?.currentScript as any)?.src ?? "";
+let _scriptDir = (globalThis.document?.currentScript as any)?.src ?? "";
 export const scriptDir = _scriptDir.substring(0, _scriptDir.replace(/[?#].*/, "").lastIndexOf('/') + 1) + "../dist";