Add git SCM scheme unit test.

Author: cliffano

test/scm-schemes/git.js

@@ -0,0 +1,45 @@
+"use strict";
+import assert from 'assert';
+import esmock from 'esmock';
+import sinon from 'sinon';
+
+describe('git', function () {
+
+  describe('addVersion', async function () {
+    it('should call simpleGit addTag', async function () {
+      const version = '1.0.0';
+      const simpleGitStub = sinon.stub().returns({
+        addTag: function (_version, cb) {
+          assert.equal(_version, version);
+          cb(null);
+        }
+      });
+      const gitScheme = await esmock('../../lib/scm-schemes/git.js', {
+        'simple-git': simpleGitStub
+      });
+      await gitScheme.addVersion(version, function (err) {
+        assert.equal(err, null);
+      });
+    });
+  });
+
+  describe('saveChanges', async function () {
+    it('should call simpleGit commit', async function () {
+      const message = 'some message';
+      const paths = ['somefile1.txt', 'somefile2.txt'];
+      const simpleGitStub = sinon.stub().returns({
+        commit: function (_message, _paths, _options, cb) {
+          assert.equal(_message, message);
+          assert.deepEqual(_paths, paths);
+          cb(null);
+        }
+      });
+      const gitScheme = await esmock('../../lib/scm-schemes/git.js', {
+        'simple-git': simpleGitStub
+      });
+      await gitScheme.saveChanges(message, paths, function (err) {
+        assert.equal(err, null);
+      });
+    });
+  });
+});