From 866a9e0cbc9157cd7d57684edf51ae10a859449e Mon Sep 17 00:00:00 2001
From: Kevin Kee <kevinkee9@gmail.com>
Date: Sat, 6 Mar 2021 20:42:28 +0900
Subject: [PATCH] random: Add tests

resolving #4
---
 test/random.test.ts | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 test/random.test.ts

diff --git a/test/random.test.ts b/test/random.test.ts
new file mode 100644
index 0000000..4d1f6af
--- /dev/null
+++ b/test/random.test.ts
@@ -0,0 +1,27 @@
+import * as request from '../source/request';
+import wiki from "../source/index";
+import { summaryJson } from './samples';
+const requestMock = jest.spyOn(request, "makeRestRequest");
+
+afterAll(() => {
+    requestMock.mockRestore();
+})
+
+test('Throws error if response is error', async () => {
+    requestMock.mockImplementation(async () => { throw new Error("This is an error") });
+    const err = async () => { await wiki.random("some_arg") };
+    expect(err).rejects.toThrowError(Error);
+});
+
+test('Returns summary of random article', async () => {
+    requestMock.mockImplementation(async () => { return summaryJson });
+    const result = await wiki.random("summary");
+    expect(result).toStrictEqual(summaryJson);
+});
+
+test('Request includes arg provided to method', async () => {
+    requestMock.mockImplementation(async () => { return summaryJson });
+    const result = await wiki.random("summary");
+    expect(result).toStrictEqual(summaryJson);
+    expect(requestMock).toBeCalledWith(`page/random/summary`);
+});