Add tests for getTokensAsync including schema validation

src/schemas/token_schema.ts

@@ -0,0 +1,12 @@
+export const tokenSchema = {
+    id: '/token',
+    properties: {
+        name: {type: 'string'},
+        symbol: {type: 'string'},
+        decimals: {type: 'number'},
+        address: {type: 'string'},
+        url: {type: 'string'},
+    },
+    required: ['name', 'symbol', 'decimals', 'address', 'url'],
+    type: 'object',
+};

src/utils/schema_validator.ts

@@ -1,5 +1,6 @@
 import {Validator, ValidatorResult} from 'jsonschema';
 import {ecSignatureSchema, ecSignatureParameter} from '../schemas/ec_signature_schema';
+import {tokenSchema} from '../schemas/token_schema';
 
 export class SchemaValidator {
     private validator: Validator;
@@ -7,6 +8,7 @@ export class SchemaValidator {
         this.validator = new Validator();
         this.validator.addSchema(ecSignatureParameter, ecSignatureParameter.id);
         this.validator.addSchema(ecSignatureSchema, ecSignatureSchema.id);
+        this.validator.addSchema(tokenSchema, tokenSchema.id);
     }
     public validate(instance: object, schema: Schema): ValidatorResult {
         return this.validator.validate(instance, schema);

test/token_registry_wrapper_test.ts

@@ -0,0 +1,43 @@
+import * as _ from 'lodash';
+import 'mocha';
+import * as chai from 'chai';
+import chaiAsPromised = require('chai-as-promised');
+import * as Web3 from 'web3';
+import {web3Factory} from './utils/web3_factory';
+import {ZeroEx} from '../src/0x.js';
+import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
+import {Token} from '../src/types';
+import {SchemaValidator} from '../src/utils/schema_validator';
+import {tokenSchema} from '../src/schemas/token_schema';
+
+const expect = chai.expect;
+chai.use(chaiAsPromised);
+const blockchainLifecycle = new BlockchainLifecycle();
+
+const TOKEN_REGISTRY_SIZE_AFTER_MIGRATION = 7;
+
+describe('TokenRegistryWrapper', () => {
+    let zeroEx: ZeroEx;
+    before(async () => {
+        const web3 = web3Factory.create();
+        zeroEx = new ZeroEx(web3);
+    });
+    beforeEach(async () => {
+        await blockchainLifecycle.startAsync();
+    });
+    afterEach(async () => {
+        await blockchainLifecycle.revertAsync();
+    });
+    describe('#getTokensAsync', () => {
+        it('should return all the tokens added to the tokenRegistry during the migration', async () => {
+            const tokens = await zeroEx.tokenRegistry.getTokensAsync();
+            expect(tokens.length).to.be.equal(TOKEN_REGISTRY_SIZE_AFTER_MIGRATION);
+
+            const schemaValidator = new SchemaValidator();
+            _.each(tokens, token => {
+                const validationResult = schemaValidator.validate(token, tokenSchema);
+                expect(validationResult.errors.length).to.be.equal(0);
+            });
+        });
+    });
+});