d4 ex2

SinonStubs-1/.gitignore

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+node_modules/

SinonStubs-1/README.md

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+# SinonStubs-1
+A repo for my article on stubbing http requests with sinon
+
+### Getting started
+Install dependencies:
+
+```bash
+~ yarn install
+```
+
+Run the test:
+
+```bash
+~ yarn test
+```

SinonStubs-1/index.js

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+const request = require('request');
+
+module.exports = {
+        getAlbumById: async function(id) {
+            const requestUrl = `https://jsonplaceholder.typicode.com/albums/${id}/photos?_limit=5`;
+            return new Promise((resolve, reject) => {
+                request.get(requestUrl, (err, res, body) => {
+                    if(err) {
+                        return reject(err);
+                    }
+                    resolve(JSON.parse(body));
+                });
+            });
+        }
+};
+

SinonStubs-1/index.test.js

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+const expect = require('chai').expect;
+const request = require('request');
+const sinon = require('sinon');
+const index = require('./index');
+const index2 = require('./index2');
+
+
+describe('withoutStub: getPhotosByAlbumId', () => {
+    it('should getPhotosByAlbumId', (done) => {
+        index2.getPhotosByAlbumId(1).then((photos) => {
+            expect(photos.length).to.equal(3);
+            photos.forEach(photo => {
+                expect(photo).to.have.property('id');
+                expect(photo).to.have.property('title');
+                expect(photo).to.have.property('url');
+            });
+            done();
+        });
+    });
+});
+
+
+
+describe('with Stub: getPhotosByAlbumId', () => {
+    before(() => {
+        sinon.stub(request, 'get')
+        .yields(null, null, JSON.stringify([
+            {
+              "albumId": 1,
+              "id": 1,
+              "title": "accusamus beatae ad facilis cum similique qui sunt",
+              "url": "https://via.placeholder.com/600/92c952",
+              "thumbnailUrl": "https://via.placeholder.com/150/92c952"
+            },
+            {
+              "albumId": 1,
+              "id": 2,
+              "title": "reprehenderit est deserunt velit ipsam",
+              "url": "https://via.placeholder.com/600/771796",
+              "thumbnailUrl": "https://via.placeholder.com/150/771796"
+            },
+            {
+              "albumId": 1,
+              "id": 3,
+              "title": "officia porro iure quia iusto qui ipsa ut modi",
+              "url": "https://via.placeholder.com/600/24f355",
+              "thumbnailUrl": "https://via.placeholder.com/150/24f355"
+            },
+            {
+              "albumId": 1,
+              "id": 4,
+              "title": "culpa odio esse rerum omnis laboriosam voluptate repudiandae",
+              "url": "https://via.placeholder.com/600/d32776",
+              "thumbnailUrl": "https://via.placeholder.com/150/d32776"
+            },
+            {
+              "albumId": 1,
+              "id": 5,
+              "title": "natus nisi omnis corporis facere molestiae rerum in",
+              "url": "https://via.placeholder.com/600/f66b97",
+              "thumbnailUrl": "https://via.placeholder.com/150/f66b97"
+            }
+          ]));
+    });
+
+    after(() => {
+        request.get.restore();
+    });
+    it('should getPhotosByAlbumId', (done) => {
+        index.getAlbumById(1).then((photos) =>{
+            expect(photos.length).to.equal(5);
+            expect(photos[0]).to.have.property('id');
+            done();
+        });
+    });
+})

SinonStubs-1/index2.js

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+const request = require('request');
+
+module.exports = {
+  getPhotosByAlbumId: async function(id) {
+    const requestUrl = `https://jsonplaceholder.typicode.com/albums/${id}/photos?_limit=3`;
+    return new Promise((resolve, reject) => {
+        request.get(requestUrl, (err, res, body) => {
+            if (err) {
+                return reject(err);
+            }
+            resolve(JSON.parse(body));
+        });
+    });
+  }
+};
+
+

SinonStubs-1/package.json

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+{
+  "name": "PhotoAlbum",
+  "version": "1.0.0",
+  "main": "index.js",
+  "license": "MIT",
+  "dependencies": {
+    "request": "^2.88.0"
+  },
+  "scripts": {
+    "test": "mocha index.test.js"
+  },
+  "devDependencies": {
+    "chai": "^4.2.0",
+    "mocha": "^6.2.2",
+    "sinon": "^8.0.2"
+  }
+}