added tests to cli

local-cli/__tests__/setupPodfileTests.js

@@ -0,0 +1,38 @@
+'use strict';
+
+jest.dontMock('../install');
+
+var install = require('../install.js');
+var fs = require('fs');
+
+describe('setup Podfile', function() {
+  it('creates a Podfile', function() {
+    fs.mkdirSync('./podfile-test');
+    process.chdir('./podfile-test');
+    var setupPodfile = install.setupPodfile();
+
+    expect(setupPodfile.podfileExists()).toBe(true);
+    process.chdir('../');
+  });
+
+  it('expects Podfile to containing opening & closing react native tag', function() {
+    process.chdir('./podfile-test');
+    var setupPodfile = install.setupPodfile();
+
+    var openingReactTag = '#<React-Native>';
+    var closingReactTag = '#</React-Native>';
+
+    expect(setupPodfile.podfileText()).toContain(openingReactTag);
+    expect(setupPodfile.podfileText()).toContain(closingReactTag);
+    process.chdir('../');
+  });
+
+  it('expects Podfile to contain React Pod', function() {
+    process.chdir('./podfile-test');
+    var setupPodfile = install.setupPodfile();
+    expect(setupPodfile.podfileText()).toContain('pod \'React\'');
+    process.chdir('../');
+    fs.unlink("./podfile-test/Podfile");
+    fs.rmdirSync("./podfile-test");
+  });
+});