Partial conversion to ts-node/mocha

.mocharc.json

@@ -0,0 +1,5 @@
+{
+  "extension": ["ts"],
+  "spec": "src/**/*.spec.ts",
+  "require": "ts-node/register"
+}

package.json

@@ -23,7 +23,7 @@
     "test:lint": "eslint src --ext .ts",
     "test:prettier": "prettier \"src/**/*.ts\" --list-different",
     "test:spelling": "cspell \"{README.md,.github/*.md,src/**/*.ts}\"",
-    "test:unit": "nyc --silent jest",
+    "test:unit": "mocha -r ts-node/register '**/*.spec.ts'",
     "test:lint-proto": "buf lint",
     "check-cli": "run-s test diff-integration-tests check-integration-tests",
     "check-integration-tests": "run-s check-integration-test:*",
@@ -63,14 +63,16 @@
     "@istanbuljs/nyc-config-typescript": "^1.0.1",
     "@types/app-root-path": "^1.2.4",
     "@types/axios": "^0.14.0",
+    "@types/chai": "^4.2.15",
     "@types/google-protobuf": "^3.7.4",
-    "@types/jest": "^26.0.20",
+    "@types/mocha": "^8.2.2",
     "@types/node": "^14.14.31",
     "@types/tail": "^2.0.0",
     "@typescript-eslint/eslint-plugin": "^4.0.1",
     "@typescript-eslint/parser": "^4.0.1",
     "app-root-path": "^3.0.0",
     "axios": "^0.21.1",
+    "chai": "^4.3.4",
     "codecov": "^3.5.0",
     "cspell": "^4.1.0",
     "cz-conventional-changelog": "^3.3.0",
@@ -82,8 +84,7 @@
     "fast-check": "^2.14.0",
     "gh-pages": "^3.1.0",
     "grpc_tools_node_protoc_ts": "^5.1.3",
-    "jest": "^26.6.3",
-    "jest-fast-check": "^1.0.2",
+    "mocha": "^8.3.2",
     "npm-run-all": "^4.1.5",
     "nyc": "^15.1.0",
     "open-cli": "^6.0.1",
@@ -91,7 +92,7 @@
     "prettier": "^2.1.1",
     "standard-version": "^9.0.0",
     "tail": "^2.2.0",
-    "ts-node": "^9.0.0",
+    "ts-node": "^9.1.1",
     "typedoc": "^0.20.29",
     "typescript": "^4.0.2"
   },

src/lib/waku_message.ts

@@ -1,3 +1,4 @@
+/// <reference types="../gen/proto/waku/v2/waku_pb" />
 import { WakuMessage } from '../gen/proto/waku/v2/waku_pb';
 
 // Ensure that this class matches the proto interface while

src/lib/waku_relay.spec.ts

@@ -1,4 +1,4 @@
-import 'jest';
+import { expect } from 'chai';
 import Libp2p from 'libp2p';
 import Pubsub from 'libp2p-interfaces/src/pubsub';
 
@@ -10,7 +10,7 @@ import { CODEC, TOPIC } from './waku_relay';
 
 describe('Waku Relay', () => {
   // TODO: Fix this, see https://github.com/ChainSafe/js-libp2p-gossipsub/issues/151
-  test.skip('Publish', async () => {
+  it.skip('Publish', async () => {
     const message = Message.fromUtf8String('Bird bird bird, bird is the word!');
 
     const [waku1, waku2] = await Promise.all([Waku.create(), Waku.create()]);
@@ -36,26 +36,26 @@ describe('Waku Relay', () => {
 
     const node1Received = await promise;
 
-    expect(node1Received.isEqualTo(message)).toBeTruthy();
+    expect(node1Received.isEqualTo(message)).to.be.true;
 
     await Promise.all([waku1.stop(), waku2.stop()]);
   });
 
-  test('Registers waku relay protocol', async () => {
+  it('Registers waku relay protocol', async () => {
     const waku = await Waku.create();
 
     const protocols = Array.from(waku.libp2p.upgrader.protocols.keys());
 
-    expect(protocols.findIndex((value) => value == CODEC)).toBeTruthy();
+    expect(protocols.findIndex((value) => value == CODEC)).to.be.true;
 
     await waku.stop();
   });
 
-  test('Does not register any sub protocol', async () => {
+  it('Does not register any sub protocol', async () => {
     const waku = await Waku.create();
 
     const protocols = Array.from(waku.libp2p.upgrader.protocols.keys());
-    expect(protocols.findIndex((value) => value.match(/sub/))).toBeTruthy();
+    expect(protocols.findIndex((value) => value.match(/sub/))).to.be.true;
 
     await waku.stop();
   });
@@ -73,7 +73,8 @@ describe('Waku Relay', () => {
       );
       const multiAddrWithId = localMultiaddr + '/p2p/' + peerId;
 
-      nimWaku = new NimWaku(expect.getState().currentTestName);
+      console.log(this);
+      nimWaku = new NimWaku('foo');
       await nimWaku.start({ staticnode: multiAddrWithId });
     });
 
@@ -82,14 +83,14 @@ describe('Waku Relay', () => {
       waku ? await waku.stop() : null;
     });
 
-    test('nim subscribes to js', async () => {
+    it('nim subscribes to js', async () => {
       const nimPeerId = await nimWaku.getPeerId();
       const subscribers = waku.libp2p.pubsub.getSubscribers(TOPIC);
 
-      expect(subscribers).toContain(nimPeerId.toB58String());
+      expect(subscribers).to.contain(nimPeerId.toB58String());
     });
 
-    test('Js publishes to nim', async () => {
+    it('Js publishes to nim', async () => {
       const message = Message.fromUtf8String('This is a message');
       // TODO: nim-waku does follow the `StrictNoSign` policy hence we need to change
       // it for nim-waku to process our messages. Can be removed once
@@ -104,14 +105,14 @@ describe('Waku Relay', () => {
 
       const msgs = await nimWaku.messages();
 
-      expect(msgs[0].contentTopic).toEqual(message.contentTopic);
-      expect(msgs[0].version).toEqual(message.version);
+      expect(msgs[0].contentTopic).to.equal(message.contentTopic);
+      expect(msgs[0].version).to.equal(message.version);
 
       const payload = Buffer.from(msgs[0].payload);
-      expect(Buffer.compare(payload, message.payload)).toBe(0);
+      expect(Buffer.compare(payload, message.payload)).to.equal(0);
     });
 
-    test('Nim publishes to js', async () => {
+    it('Nim publishes to js', async () => {
       const message = Message.fromUtf8String('Here is another message.');
 
       await patchPeerStore(nimWaku, waku.libp2p);
@@ -128,11 +129,11 @@ describe('Waku Relay', () => {
 
       const receivedMsg = await receivedPromise;
 
-      expect(receivedMsg.contentTopic).toBe(message.contentTopic);
-      expect(receivedMsg.version).toBe(message.version);
+      expect(receivedMsg.contentTopic).to.eq(message.contentTopic);
+      expect(receivedMsg.version).to.eq(message.version);
 
       const payload = Buffer.from(receivedMsg.payload);
-      expect(Buffer.compare(payload, message.payload)).toBe(0);
+      expect(Buffer.compare(payload, message.payload)).to.eq(0);
     });
   });
 });

tsconfig.json

@@ -41,10 +41,13 @@
     // "emitDecoratorMetadata": true /* Enables experimental support for emitting type metadata for decorators. */,
 
     "lib": ["es2017"],
-    "types": ["node", "jest"],
-    "typeRoots": ["node_modules/@types", "src/types"]
+    "types": ["node", "mocha"],
+    "typeRoots": ["node_modules/@types", "src/types", "src/gen/proto"]
   },
-  "include": ["src/**/*.ts"],
+  "include": ["src/**/*.ts", "src/**/*.d.ts"],
   "exclude": ["node_modules/**"],
-  "compileOnSave": false
+  "compileOnSave": false,
+  "ts-node": {
+    "files": true
+  }
 }