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-rw-r--r--packages/metacoin/test/utils/chai_setup.ts8
1 files changed, 8 insertions, 0 deletions
diff --git a/packages/metacoin/test/utils/chai_setup.ts b/packages/metacoin/test/utils/chai_setup.ts
index 1a8733093..49259a368 100644
--- a/packages/metacoin/test/utils/chai_setup.ts
+++ b/packages/metacoin/test/utils/chai_setup.ts
@@ -1,3 +1,4 @@
+import { BigNumber } from '@0xproject/utils';
import * as chai from 'chai';
import chaiAsPromised = require('chai-as-promised');
import ChaiBigNumber = require('chai-bignumber');
@@ -9,5 +10,12 @@ export const chaiSetup = {
chai.use(ChaiBigNumber());
chai.use(dirtyChai);
chai.use(chaiAsPromised);
+
+ // Node uses '.inspect()' instead of '.toString()' for log messages
+ // HACK: Typescript won't allow me to mess with BigNumber.prototype
+ // directly, so I create an instance and then get the prototype.
+ Object.getPrototypeOf(new BigNumber(0)).inspect = function() {
+ return this.toString();
+ };
},
};