Add request parser test cases (#17)

test/json-rpc/index.ts

@@ -1,3 +1,4 @@
+import { RequestParser } from './request-parser.test';
 import { ComputeBunchProposal } from './compute-bunch-proposal.test';
 import { SignBunchRPC } from './sign-bunch.test';
 import { SerializeRequest } from './serialize-request.test';
@@ -8,6 +9,7 @@ import { BlockProposal } from './block-proposal.test';
 
 export const JsonRpc = () =>
   describe('JSON-RPC', () => {
+    RequestParser();
     ComputeBunchProposal();
     SignBunchRPC();
     SerializeRequest();

test/json-rpc/request-parser.test.ts

@@ -0,0 +1,59 @@
+import { parseRequest } from '../../src/json-rpc/parser';
+import { Bytes, Signature } from '../../src/utils/bytes';
+import assert from 'assert';
+import { ethers } from 'ethers';
+
+export const RequestParser = () =>
+  describe('Request Parser', () => {
+    it('parses a valid request correctly', () => {
+      const request = {
+        jsonrpc: '2.0',
+        method: 'temp_method',
+        params: [1, '0x2345'],
+        id: ethers.utils.hexlify(ethers.utils.randomBytes(32)),
+      };
+
+      const parsed = parseRequest(request);
+
+      assert.ok(
+        parsed.id instanceof Bytes,
+        'hex string should be converted into a Bytes instance'
+      );
+    });
+
+    it('throws for invalid json rpc version', () => {
+      try {
+        const request = {
+          jsonrpc: '3.0',
+          method: 'temp_method',
+          params: [1, '0x2345'],
+          id: null,
+        };
+
+        parseRequest(request);
+
+        assert(false, 'should have thrown for invalid json rpc version');
+      } catch {
+        assert(true);
+      }
+    });
+
+    it('parses nonce and signature correctly', () => {
+      const request = {
+        jsonrpc: '2.0',
+        method: 'temp_method',
+        params: [1, '0x2345'],
+        id: null,
+        nonce: 23,
+        signature:
+          '0xd5f3bcfbc09bef8e232bf7090091eb883cf911937175739107fcdca58ffb6d3b5c47ebc40d9820e7d2c104814a36f87bb3f03c09f8cd0361da296d9712a469921b',
+      };
+
+      const parsed = parseRequest(request);
+
+      assert.ok(
+        parsed.signature instanceof Signature,
+        'hex string should be converted into a Signature instance'
+      );
+    });
+  });