acme: async'ify

src/test/promise-retry-test.js

@@ -0,0 +1,38 @@
+/* jslint node:true */
+/* global it:false */
+/* global describe:false */
+
+'use strict';
+
+const expect = require('expect.js'),
+    promiseRetry = require('../promise-retry.js'),
+    safe = require('safetydance');
+
+describe('promiseRetry', function () {
+    this.timeout(0);
+
+    it('normal return', async function () {
+        const result = await promiseRetry({ times: 5, interval: 1000 }, async () => {
+            return 42;
+        });
+
+        expect(result).to.be(42);
+    });
+
+    it('throws error', async function () {
+        await safe(promiseRetry({ times: 5, interval: 1000 }, async () => {
+            throw new Error('42');
+        }));
+
+        expect(safe.error.message).to.be('42');
+    });
+
+    it('3 tries', async function () {
+        let tryCount = 0;
+        const result = await promiseRetry({ times: 5, interval: 1000 }, async () => {
+            if (++tryCount == 3) return 42; else throw new Error('42');
+        });
+
+        expect(result).to.be(42);
+    });
+});