[#287] Add tests for WebAuthnVerifier in passkey package

modules/passkey/test/verifiers/WebAuthnVerifier.spec.ts

@@ -0,0 +1,78 @@
+import { expect } from 'chai'
+import { deployments, ethers } from 'hardhat'
+
+describe.only('WebAuthnVerifier', () => {
+  const setupTests = deployments.createFixture(async ({ deployments }) => {
+    const { WebAuthnVerifier } = await deployments.fixture()
+    const webAuthnVerifier = await ethers.getContractAt('WebAuthnVerifier', WebAuthnVerifier.address)
+    return { webAuthnVerifier }
+  })
+
+  it('Should return false when invalid signature', async () => {
+    const webAuthnVerifier = await setupTests()
+
+    const authenticatorData = ethers.randomBytes(100)
+    authenticatorData[32] = 0x01
+
+    const challenge = ethers.randomBytes(32)
+    const clientDataFields = ethers.randomBytes(100)
+
+    expect(
+      await webAuthnVerifier.webAuthnVerifier.verifyWebAuthnSignature(
+        authenticatorData,
+        '0x01',
+        challenge,
+        clientDataFields,
+        [0n, 0n],
+        0n,
+        0n,
+      ),
+    ).to.be.false
+
+    expect(
+      await webAuthnVerifier.webAuthnVerifier.verifyWebAuthnSignatureAllowMalleability(
+        authenticatorData,
+        '0x01',
+        challenge,
+        clientDataFields,
+        [0n, 0n],
+        0n,
+        0n,
+      ),
+    ).to.be.false
+  })
+
+  it('Should return false on non-matching authenticator flags', async () => {
+    const webAuthnVerifier = await setupTests()
+
+    const authenticatorData = ethers.randomBytes(100)
+    authenticatorData[32] = 0x02
+
+    const challenge = ethers.randomBytes(32)
+    const clientDataFields = ethers.randomBytes(100)
+
+    expect(
+      await webAuthnVerifier.webAuthnVerifier.verifyWebAuthnSignature(
+        authenticatorData,
+        '0x01',
+        challenge,
+        clientDataFields,
+        [0n, 0n],
+        0n,
+        0n,
+      ),
+    ).to.be.false
+
+    expect(
+      await webAuthnVerifier.webAuthnVerifier.verifyWebAuthnSignatureAllowMalleability(
+        authenticatorData,
+        '0x01',
+        challenge,
+        clientDataFields,
+        [0n, 0n],
+        0n,
+        0n,
+      ),
+    ).to.be.false
+  })
+})