From c8c86c44f8b978d74e03c11d4bb1813e76574af3 Mon Sep 17 00:00:00 2001
From: Leonid Logvinov <logvinov.leon@gmail.com>
Date: Fri, 5 Jan 2018 15:33:00 +0100
Subject: Fix callback types

---
 .../0x.js/test/utils/report_callback_errors.ts     | 60 ++++++++++++++++++++--
 1 file changed, 55 insertions(+), 5 deletions(-)

(limited to 'packages/0x.js/test/utils/report_callback_errors.ts')

diff --git a/packages/0x.js/test/utils/report_callback_errors.ts b/packages/0x.js/test/utils/report_callback_errors.ts
index 8a8f4d966..7890e7cd3 100644
--- a/packages/0x.js/test/utils/report_callback_errors.ts
+++ b/packages/0x.js/test/utils/report_callback_errors.ts
@@ -1,10 +1,22 @@
-import { DoneCallback } from '../../src/types';
+import * as chai from 'chai';
+import * as _ from 'lodash';
 
-export const reportCallbackErrors = (done: DoneCallback) => {
-    return (f: (...args: any[]) => void) => {
-        const wrapped = async (...args: any[]) => {
+import { DoneCallback, OrderState } from '../../src/types';
+
+const expect = chai.expect;
+
+export const reportNoErrorCallbackErrors = (done: DoneCallback, expectToBeCalledOnce = true) => {
+    return <T>(f?: (value: T) => void) => {
+        const wrapped = (value: T) => {
+            if (_.isUndefined(f)) {
+                done();
+                return;
+            }
             try {
-                f(...args);
+                f(value);
+                if (expectToBeCalledOnce) {
+                    done();
+                }
             } catch (err) {
                 done(err);
             }
@@ -12,3 +24,41 @@ export const reportCallbackErrors = (done: DoneCallback) => {
         return wrapped;
     };
 };
+
+export const reportNodeCallbackErrors = (done: DoneCallback) => {
+    return <T>(f?: (value: T) => void) => {
+        const wrapped = (error: Error | null, value: T | undefined) => {
+            if (!_.isNull(error)) {
+                done(error);
+            } else {
+                if (_.isUndefined(f)) {
+                    done();
+                    return;
+                }
+                try {
+                    f(value as T);
+                    done();
+                } catch (err) {
+                    done(err);
+                }
+            }
+        };
+        return wrapped;
+    };
+};
+
+export const assertNodeCallbackError = (done: DoneCallback, errMsg: string) => {
+    const wrapped = <T>(error: Error | null, value: T | undefined) => {
+        if (_.isNull(error)) {
+            done(new Error('Expected callback to receive an error'));
+        } else {
+            try {
+                expect(error.message).to.be.equal(errMsg);
+                done();
+            } catch (err) {
+                done(err);
+            }
+        }
+    };
+    return wrapped;
+};
-- 
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