Extract a shared fixtures file

test/fixtures/index.js

@@ -0,0 +1,113 @@
+'use strict';
+
+const Fs = require('fs');
+const Nock = require('nock');
+const Path = require('path');
+const SimpleGit = require('simple-git/promise');
+const Sinon = require('sinon');
+const Tmp = require('tmp');
+
+const Utils = require('../../lib/utils');
+
+
+module.exports = class TestContext {
+
+    constructor() {
+
+        this._cleanup = [];
+        this.stubs = {};
+
+        Sinon.useFakeTimers({
+            now: +new Date('2020-02-02T20:00:02Z'),
+            toFake: ['Date']
+        });
+
+        this._mockSimpleGit();
+        this._mockNetwork();
+    }
+
+    cleanup() {
+
+        Sinon.restore();
+
+        this._cleanup.forEach((cleanup) => cleanup());
+
+        this._cleanup = [];
+    }
+
+    _mockSimpleGit() {
+
+        this.stubs.listRemote = Sinon.stub().throws();
+
+        Sinon.stub(Utils, 'simpleGit').callsFake((...args) => {
+
+            const simpleGit = SimpleGit(...args);
+
+            Sinon.stub(simpleGit, 'listRemote').callsFake(this.stubs.listRemote);
+
+            return simpleGit;
+        });
+    }
+
+    _mockNetwork() {
+
+        if (!Nock.isActive()) {
+            Nock.activate();
+        }
+
+        Nock.disableNetConnect();
+
+        Nock('https://raw.githubusercontent.com')
+            .persist()
+            .get('/nodejs/Release/master/schedule.json')
+            .reply(200, Fs.readFileSync(Path.join(__dirname, 'node-release-schedule.json')));
+
+        Nock('https://nodejs.org')
+            .persist()
+            .get('/dist/index.json')
+            .reply(200, Fs.readFileSync(Path.join(__dirname, 'node-release-dist.json')));
+
+        this._cleanup.push(() => {
+
+            Nock.restore();
+            Nock.cleanAll();
+            Nock.enableNetConnect();
+        });
+    }
+
+    async setupRepoFolder({ travisYml, packageJson, npmShrinkwrapJson, packageLockJson, git = true } = {}) {
+
+        const tmpObj = Tmp.dirSync({ unsafeCleanup: true });
+
+        this.path = tmpObj.name;
+
+        this._cleanup.push(() => tmpObj.removeCallback());
+
+        if (travisYml) {
+            Fs.copyFileSync(Path.join(__dirname, 'travis-ymls', travisYml), Path.join(this.path, '.travis.yml'));
+        }
+
+        if (packageJson !== false) {
+            Fs.writeFileSync(Path.join(this.path, 'package.json'), JSON.stringify(packageJson || {
+                name: 'test-module',
+                version: '0.0.0-development'
+            }));
+        }
+
+        if (npmShrinkwrapJson) {
+            Fs.copyFileSync(Path.join(__dirname, npmShrinkwrapJson), Path.join(this.path, 'npm-shrinkwrap.json'));
+        }
+
+        if (packageLockJson) {
+            Fs.copyFileSync(Path.join(__dirname, packageLockJson), Path.join(this.path, 'package-lock.json'));
+        }
+
+        if (git) {
+            const simpleGit = SimpleGit(this.path);
+            await simpleGit.init();
+            await simpleGit.add('./*');
+            await simpleGit.commit('initial commit', ['--no-gpg-sign']);
+        }
+    }
+
+};