4 files changed, 64 insertions, 0 deletions
diff --git a/packages/contract-wrappers/test/utils/chai_setup.ts b/packages/contract-wrappers/test/utils/chai_setup.ts
new file mode 100644
index 000000000..078edd309
--- /dev/null
+++ b/packages/contract-wrappers/test/utils/chai_setup.ts
@@ -0,0 +1,13 @@
+import * as chai from 'chai';
+import chaiAsPromised = require('chai-as-promised');
+import ChaiBigNumber = require('chai-bignumber');
+import * as dirtyChai from 'dirty-chai';
+
+export const chaiSetup = {
+    configure() {
+        chai.config.includeStack = true;
+        chai.use(ChaiBigNumber());
+        chai.use(dirtyChai);
+        chai.use(chaiAsPromised);
+    },
+};
diff --git a/packages/contract-wrappers/test/utils/constants.ts b/packages/contract-wrappers/test/utils/constants.ts
new file mode 100644
index 000000000..cf030259c
--- /dev/null
+++ b/packages/contract-wrappers/test/utils/constants.ts
@@ -0,0 +1,9 @@
+export const constants = {
+    NULL_ADDRESS: '0x0000000000000000000000000000000000000000',
+    ROPSTEN_NETWORK_ID: 3,
+    KOVAN_NETWORK_ID: 42,
+    TESTRPC_NETWORK_ID: 50,
+    KOVAN_RPC_URL: 'https://kovan.infura.io/',
+    ROPSTEN_RPC_URL: 'https://ropsten.infura.io/',
+    ZRX_DECIMALS: 18,
+};
diff --git a/packages/contract-wrappers/test/utils/token_utils.ts b/packages/contract-wrappers/test/utils/token_utils.ts
new file mode 100644
index 000000000..fe85de085
--- /dev/null
+++ b/packages/contract-wrappers/test/utils/token_utils.ts
@@ -0,0 +1,33 @@
+import * as _ from 'lodash';
+
+import { InternalContractWrappersError, Token } from '../../src/types';
+
+const PROTOCOL_TOKEN_SYMBOL = 'ZRX';
+const WETH_TOKEN_SYMBOL = 'WETH';
+
+export class TokenUtils {
+    private _tokens: Token[];
+    constructor(tokens: Token[]) {
+        this._tokens = tokens;
+    }
+    public getProtocolTokenOrThrow(): Token {
+        const zrxToken = _.find(this._tokens, { symbol: PROTOCOL_TOKEN_SYMBOL });
+        if (_.isUndefined(zrxToken)) {
+            throw new Error(InternalContractWrappersError.ZrxNotInTokenRegistry);
+        }
+        return zrxToken;
+    }
+    public getWethTokenOrThrow(): Token {
+        const wethToken = _.find(this._tokens, { symbol: WETH_TOKEN_SYMBOL });
+        if (_.isUndefined(wethToken)) {
+            throw new Error(InternalContractWrappersError.WethNotInTokenRegistry);
+        }
+        return wethToken;
+    }
+    public getDummyTokens(): Token[] {
+        const dummyTokens = _.filter(this._tokens, token => {
+            return !_.includes([PROTOCOL_TOKEN_SYMBOL, WETH_TOKEN_SYMBOL], token.symbol);
+        });
+        return dummyTokens;
+    }
+}
diff --git a/packages/contract-wrappers/test/utils/web3_wrapper.ts b/packages/contract-wrappers/test/utils/web3_wrapper.ts
new file mode 100644
index 000000000..b0ccfa546
--- /dev/null
+++ b/packages/contract-wrappers/test/utils/web3_wrapper.ts
@@ -0,0 +1,9 @@
+import { devConstants, web3Factory } from '@0xproject/dev-utils';
+import { Provider } from '@0xproject/types';
+import { Web3Wrapper } from '@0xproject/web3-wrapper';
+
+const web3 = web3Factory.create({ shouldUseInProcessGanache: true });
+const provider: Provider = web3.currentProvider;
+const web3Wrapper = new Web3Wrapper(web3.currentProvider);
+
+export { provider, web3Wrapper };