test: migrate validator tests to vitest

packages/validator/package.json

@@ -28,10 +28,10 @@
     "lint": "eslint --color --ext .ts src/ test/",
     "lint:fix": "yarn run lint --fix",
     "pretest": "yarn run check-types",
-    "test:unit": "nyc --cache-dir .nyc_output/.cache -e .ts mocha 'test/unit/**/*.test.ts'",
+    "test:unit": "vitest --run --dir test/unit --coverage",
     "test": "yarn test:unit",
     "test:spec": "vitest --run --config vitest.config.spec.ts --dir test/spec/",
-    "test:e2e": "mocha 'test/e2e/**/*.test.ts'",
+    "test:e2e": "LODESTAR_PRESET=mainnet vitest --run --poolOptions.threads.singleThread true --dir test/e2e",
     "download-spec-tests": "node --loader=ts-node/esm test/spec/downloadTests.ts",
     "coverage": "codecov -F lodestar-validator",
     "check-readme": "typescript-docs-verifier"

packages/validator/test/e2e/web3signer.test.ts

@@ -1,4 +1,4 @@
-import {expect} from "chai";
+import {expect, describe, it, vi, beforeAll, afterAll} from "vitest";
 import {fromHex, toHex} from "@lodestar/utils";
 import {config} from "@lodestar/config/default";
 import {computeStartSlotAtEpoch, interopSecretKey, interopSecretKeys} from "@lodestar/state-transition";
@@ -13,7 +13,7 @@ import {IndicesService} from "../../src/services/indices.js";
 import {testLogger} from "../utils/logger.js";
 
 describe("web3signer signature test", function () {
-  this.timeout("60s");
+  vi.setConfig({testTimeout: 60_000, hookTimeout: 60_000});
 
   const altairSlot = 2375711;
   const epoch = 0;
@@ -39,7 +39,7 @@ describe("web3signer signature test", function () {
     pubkey: pubkeyBytes,
   };
 
-  before("set up validator stores", async () => {
+  beforeAll(async () => {
     validatorStoreLocal = await getValidatorStore({type: SignerType.Local, secretKey: secretKey});
 
     const password = "password";
@@ -57,15 +57,16 @@ describe("web3signer signature test", function () {
     });
   });
 
-  after("stop external signer container", async () => {
+  afterAll(async () => {
     await externalSigner.container.stop();
   });
 
   for (const fork of config.forksAscendingEpochOrder) {
-    it(`signBlock ${fork.name}`, async function () {
+    it(`signBlock ${fork.name}`, async ({skip}) => {
       // Only test till the fork the signer version supports
       if (ForkSeq[fork.name] > externalSigner.supportedForkSeq) {
-        this.skip();
+        skip();
+        return;
       }
 
       const block = ssz[fork.name].BeaconBlock.defaultValue();

packages/validator/test/unit/services/attestation.test.ts

@@ -1,4 +1,4 @@
-import {expect} from "chai";
+import {describe, it, expect, beforeAll, beforeEach, afterEach, vi} from "vitest";
 import sinon from "sinon";
 import bls from "@chainsafe/bls";
 import {toHexString} from "@chainsafe/ssz";
@@ -14,32 +14,36 @@ import {ChainHeaderTracker} from "../../../src/services/chainHeaderTracker.js";
 import {ValidatorEventEmitter} from "../../../src/services/emitter.js";
 import {ZERO_HASH, ZERO_HASH_HEX} from "../../utils/types.js";
 
+vi.mock("../../../src/services/validatorStore.js");
+vi.mock("../../../src/services/emitter.js");
+vi.mock("../../../src/services/chainHeaderTracker.js");
+
 describe("AttestationService", function () {
-  const sandbox = sinon.createSandbox();
-
-  const api = getApiClientStub(sandbox);
-  const validatorStore = sinon.createStubInstance(ValidatorStore) as ValidatorStore &
-    sinon.SinonStubbedInstance<ValidatorStore>;
-  const emitter = sinon.createStubInstance(ValidatorEventEmitter) as ValidatorEventEmitter &
-    sinon.SinonStubbedInstance<ValidatorEventEmitter>;
-  const chainHeadTracker = sinon.createStubInstance(ChainHeaderTracker) as ChainHeaderTracker &
-    sinon.SinonStubbedInstance<ChainHeaderTracker>;
+  const api = getApiClientStub();
+  // @ts-expect-error - Mocked class don't need parameters
+  const validatorStore = vi.mocked(new ValidatorStore());
+  const emitter = vi.mocked(new ValidatorEventEmitter());
+  // @ts-expect-error - Mocked class don't need parameters
+  const chainHeadTracker = vi.mocked(new ChainHeaderTracker());
+
   let pubkeys: Uint8Array[]; // Initialize pubkeys in before() so bls is already initialized
 
-  before(() => {
+  beforeAll(() => {
     const secretKeys = Array.from({length: 1}, (_, i) => bls.SecretKey.fromBytes(Buffer.alloc(32, i + 1)));
     pubkeys = secretKeys.map((sk) => sk.toPublicKey().toBytes());
-    validatorStore.votingPubkeys.returns(pubkeys.map(toHexString));
-    validatorStore.hasVotingPubkey.returns(true);
-    validatorStore.hasSomeValidators.returns(true);
-    validatorStore.signAttestationSelectionProof.resolves(ZERO_HASH);
+    validatorStore.votingPubkeys.mockReturnValue(pubkeys.map(toHexString));
+    validatorStore.hasVotingPubkey.mockReturnValue(true);
+    validatorStore.hasSomeValidators.mockReturnValue(true);
+    validatorStore.signAttestationSelectionProof.mockResolvedValue(ZERO_HASH);
   });
 
   let controller: AbortController; // To stop clock
-  beforeEach(() => (controller = new AbortController()));
+  beforeEach(() => {
+    controller = new AbortController();
+  });
   afterEach(() => {
     controller.abort();
-    sandbox.resetHistory();
+    vi.resetAllMocks();
   });
 
   const testContexts: [string, AttestationServiceOpts][] = [
@@ -49,7 +53,7 @@ describe("AttestationService", function () {
   ];
 
   for (const [title, opts] of testContexts) {
-    context(title, () => {
+    describe(title, () => {
       it("Should produce, sign, and publish an attestation + aggregate", async () => {
         const clock = new ClockMock();
         const attestationService = new AttestationService(
@@ -82,12 +86,12 @@ describe("AttestationService", function () {
         ];
 
         // Return empty replies to duties service
-        api.beacon.getStateValidators.resolves({
+        api.beacon.getStateValidators.mockResolvedValue({
           response: {executionOptimistic: false, data: []},
           ok: true,
           status: HttpStatusCode.OK,
         });
-        api.validator.getAttesterDuties.resolves({
+        api.validator.getAttesterDuties.mockResolvedValue({
           response: {dependentRoot: ZERO_HASH_HEX, executionOptimistic: false, data: []},
           ok: true,
           status: HttpStatusCode.OK,
@@ -98,22 +102,22 @@ describe("AttestationService", function () {
 
         // Mock beacon's attestation and aggregates endpoints
 
-        api.validator.produceAttestationData.resolves({
+        api.validator.produceAttestationData.mockResolvedValue({
           response: {data: attestation.data},
           ok: true,
           status: HttpStatusCode.OK,
         });
-        api.validator.getAggregatedAttestation.resolves({
+        api.validator.getAggregatedAttestation.mockResolvedValue({
           response: {data: attestation},
           ok: true,
           status: HttpStatusCode.OK,
         });
-        api.beacon.submitPoolAttestations.resolves({
+        api.beacon.submitPoolAttestations.mockResolvedValue({
           response: undefined,
           ok: true,
           status: HttpStatusCode.OK,
         });
-        api.validator.publishAggregateAndProofs.resolves({
+        api.validator.publishAggregateAndProofs.mockResolvedValue({
           response: undefined,
           ok: true,
           status: HttpStatusCode.OK,
@@ -122,22 +126,22 @@ describe("AttestationService", function () {
         if (opts.distributedAggregationSelection) {
           // Mock distributed validator middleware client selections endpoint
           // and return a selection proof that passes `is_aggregator` test
-          api.validator.submitBeaconCommitteeSelections.resolves({
+          api.validator.submitBeaconCommitteeSelections.mockResolvedValue({
             response: {data: [{validatorIndex: 0, slot: 0, selectionProof: Buffer.alloc(1, 0x10)}]},
             ok: true,
             status: HttpStatusCode.OK,
           });
           // Accept all subscriptions
-          api.validator.prepareBeaconCommitteeSubnet.resolves({
+          api.validator.prepareBeaconCommitteeSubnet.mockResolvedValue({
             response: undefined,
             ok: true,
             status: HttpStatusCode.OK,
           });
         }
 
         // Mock signing service
-        validatorStore.signAttestation.resolves(attestation);
-        validatorStore.signAggregateAndProof.resolves(aggregate);
+        validatorStore.signAttestation.mockResolvedValue(attestation);
+        validatorStore.signAggregateAndProof.mockResolvedValue(aggregate);
 
         // Trigger clock onSlot for slot 0
         await clock.tickSlotFns(0, controller.signal);
@@ -149,14 +153,8 @@ describe("AttestationService", function () {
             slot: 0,
             selectionProof: ZERO_HASH,
           };
-          expect(api.validator.submitBeaconCommitteeSelections.callCount).to.equal(
-            1,
-            "submitBeaconCommitteeSelections() must be called once"
-          );
-          expect(api.validator.submitBeaconCommitteeSelections.getCall(0).args).to.deep.equal(
-            [[selection]], // 1 arg, = selection[]
-            "wrong submitBeaconCommitteeSelections() args"
-          );
+          expect(api.validator.submitBeaconCommitteeSelections).toHaveBeenCalledOnce();
+          expect(api.validator.submitBeaconCommitteeSelections).toHaveBeenCalledWith([selection]);
 
           // Must resubscribe validator as aggregator on beacon committee subnet
           const subscription: routes.validator.BeaconCommitteeSubscription = {
@@ -166,32 +164,17 @@ describe("AttestationService", function () {
             slot: 0,
             isAggregator: true,
           };
-          expect(api.validator.prepareBeaconCommitteeSubnet.callCount).to.equal(
-            1,
-            "prepareBeaconCommitteeSubnet() must be called once"
-          );
-          expect(api.validator.prepareBeaconCommitteeSubnet.getCall(0).args).to.deep.equal(
-            [[subscription]], // 1 arg, = subscription[]
-            "wrong prepareBeaconCommitteeSubnet() args"
-          );
+          expect(api.validator.prepareBeaconCommitteeSubnet).toHaveBeenCalledOnce();
+          expect(api.validator.prepareBeaconCommitteeSubnet).toHaveBeenCalledWith([subscription]);
         }
 
         // Must submit the attestation received through produceAttestationData()
-        expect(api.beacon.submitPoolAttestations.callCount).to.equal(1, "submitAttestations() must be called once");
-        expect(api.beacon.submitPoolAttestations.getCall(0).args).to.deep.equal(
-          [[attestation]], // 1 arg, = attestation[]
-          "wrong submitAttestations() args"
-        );
+        expect(api.beacon.submitPoolAttestations).toHaveBeenCalledOnce();
+        expect(api.beacon.submitPoolAttestations).toHaveBeenCalledWith([attestation]);
 
         // Must submit the aggregate received through getAggregatedAttestation() then createAndSignAggregateAndProof()
-        expect(api.validator.publishAggregateAndProofs.callCount).to.equal(
-          1,
-          "publishAggregateAndProofs() must be called once"
-        );
-        expect(api.validator.publishAggregateAndProofs.getCall(0).args).to.deep.equal(
-          [[aggregate]], // 1 arg, = aggregate[]
-          "wrong publishAggregateAndProofs() args"
-        );
+        expect(api.validator.publishAggregateAndProofs).toHaveBeenCalledOnce();
+        expect(api.validator.publishAggregateAndProofs).toHaveBeenCalledWith([aggregate]);
       });
     });
   }