Add fallback for the manifest URL

Author: shivammathur

__tests__/utils.test.ts

@@ -1,6 +1,7 @@
 import fs from 'fs';
 import * as path from 'path';
 import * as utils from '../src/utils';
+import * as fetchModule from '../src/fetch';
 
 /**
  * Mock @actions/core
@@ -12,15 +13,6 @@ jest.mock('@actions/core', () => ({
   info: jest.fn()
 }));
 
-/**
- * Mock fetch.ts
- */
-jest.mock('../src/fetch', () => ({
-  fetch: jest.fn().mockImplementation(() => {
-    return {data: '{ "latest": "8.1", "5.x": "5.6" }'};
-  })
-}));
-
 describe('Utils tests', () => {
   it('checking readEnv', async () => {
     process.env['test'] = 'setup-php';
@@ -43,15 +35,35 @@ describe('Utils tests', () => {
   });
 
   it('checking getManifestURL', async () => {
-    expect(await utils.getManifestURL()).toContain('php-versions.json');
+    for (const url of await utils.getManifestURLS()) {
+      expect(url).toContain('php-versions.json');
+    }
   });
 
   it('checking parseVersion', async () => {
+    jest
+      .spyOn(utils, 'getManifestURLS')
+      .mockResolvedValue([
+        'https://u1/versions.json',
+        'https://u2/versions.json'
+      ]);
+    const fetchSpy = jest
+      .spyOn(fetchModule, 'fetch')
+      .mockResolvedValue({data: '{ "latest": "8.1", "5.x": "5.6" }'});
     expect(await utils.parseVersion('latest')).toBe('8.1');
     expect(await utils.parseVersion('7')).toBe('7.0');
     expect(await utils.parseVersion('7.4')).toBe('7.4');
     expect(await utils.parseVersion('5.x')).toBe('5.6');
     expect(await utils.parseVersion('4.x')).toBe(undefined);
+
+    fetchSpy.mockReset();
+    fetchSpy.mockResolvedValueOnce({}).mockResolvedValueOnce({});
+
+    await expect(utils.parseVersion('latest')).rejects.toThrow(
+      'Could not fetch the PHP version manifest.'
+    );
+
+    expect(fetchSpy).toHaveBeenCalledTimes(2);
   });
 
   it('checking parseIniFile', async () => {

dist/index.js

@@ -48,8 +48,11 @@ export async function getInput(
 /**
  * Function to get manifest URL
  */
-export async function getManifestURL(): Promise<string> {
-  return 'https://raw.githubusercontent.com/shivammathur/setup-php/develop/src/configs/php-versions.json';
+export async function getManifestURLS(): Promise<string[]> {
+  return [
+    'https://raw.githubusercontent.com/shivammathur/setup-php/develop/src/configs/php-versions.json',
+    'https://setup-php.com/php-versions.json'
+  ];
 }
 
 /**
@@ -60,9 +63,13 @@ export async function getManifestURL(): Promise<string> {
 export async function parseVersion(version: string): Promise<string> {
   switch (true) {
     case /^(latest|lowest|highest|nightly|\d+\.x)$/.test(version):
-      return JSON.parse((await fetch.fetch(await getManifestURL()))['data'])[
-        version
-      ];
+      for (const manifestURL of await getManifestURLS()) {
+        const fetchResult = await fetch.fetch(manifestURL);
+        if (fetchResult['data'] ?? false) {
+          return JSON.parse(fetchResult['data'])[version];
+        }
+      }
+      throw new Error(`Could not fetch the PHP version manifest.`);
     default:
       switch (true) {
         case version.length > 1: