refactor: add specs for buildArtifacts

Author: asambstack

test/unit/bin/helpers/buildArtifacts.js

@@ -0,0 +1,68 @@
+const { expect } = require("chai");
+const chai = require("chai"),
+  chaiAsPromised = require("chai-as-promised"),
+  sinon = require('sinon'),
+  rewire = require('rewire');
+
+const fs = require('fs'),
+      path = require('path'),
+      request = require('request'),
+      unzipper = require("unzipper"),
+      decompress = require('decompress');
+      Constants = require("../../../../bin/helpers/constants"),
+      logger = require("../../../../bin/helpers/logger").winstonLogger,
+      testObjects = require("../../support/fixtures/testObjects"),
+      formatRequest = require("../../../../bin/helpers/utils").formatRequest;
+
+chai.use(chaiAsPromised);
+logger.transports["console.info"].silent = true;
+
+describe('unzipFile', () => {
+  let unzipFile;
+  let decompressStub;
+  let createReadStreamStub;
+  let unzipperStub;
+  let loggerStub;
+  let pathJoinStub;
+  let Constants;
+
+  const filePath = '/some/path';
+  const fileName = 'file.zip';
+
+  beforeEach(() => {
+    const unzipFileModule = rewire('../../../../bin/helpers/buildArtifacts');
+
+    decompressStub = sinon.stub();
+    createReadStreamStub = sinon.stub();
+    unzipperStub = {
+      Extract: sinon.stub(),
+    };
+    loggerStub = { debug: sinon.stub() };
+    pathJoinStub = sinon.stub().returns(`${filePath}/${fileName}`);
+
+    Constants = {
+      debugMessages: {
+        BUILD_ARTIFACTS_UNZIP_FAILURE: 'Unzip failed',
+      },
+    };
+
+    // Injecting the dependencies
+    unzipFileModule.__set__('decompress', decompressStub);
+    unzipFileModule.__set__('fs.createReadStream', createReadStreamStub);
+    unzipFileModule.__set__('unzipper', unzipperStub);
+    unzipFileModule.__set__('logger', loggerStub);
+    unzipFileModule.__set__('path.join', pathJoinStub);
+    unzipFileModule.__set__('Constants', Constants);
+
+    unzipFile = unzipFileModule.__get__('unzipFile');
+  });
+
+  it('should successfully unzip using decompress', async () => {
+    decompressStub.resolves();
+
+    await unzipFile(filePath, fileName);
+
+    expect(decompressStub.calledWith(`${filePath}/${fileName}`, filePath)).to.be.true;
+  });
+
+});