WIP have half of hg commands mapped

spec/vcs.spec.js

@@ -0,0 +1,55 @@
+var _ = require('underscore');
+
+var Command = require('../src/js/models/commandModel').Command;
+
+describe('commands', function() {
+  it('replaces . with HEAD correctly', function() {
+    var testCases = {
+      '.^': 'HEAD^',
+      '.': 'HEAD',
+      '.~4': 'HEAD~4'
+    };
+
+    var c = new Command({rawStr: 'foo'});
+    _.each(testCases, function(expected, input) {
+      var actual = c.replaceDotWithHead(input);
+      expect(actual).toBe(expected);
+    });
+  });
+
+  it('maps options and general args', function() {
+    var testCases = [{
+      args: ['.~4', 'HEAD^'],
+      options: {
+        '--amend': ['.'],
+        '-m': ['"oh hai"']
+      },
+      gitArgs: ['HEAD~4', 'HEAD^'],
+      gitOptions: {
+        '--amend': ['HEAD'],
+        '-m': ['"oh hai"']
+      }
+    }];
+
+    var c = new Command({rawStr: 'foo'});
+    _.each(testCases, function(tCase) {
+      c.setSupportedMap(tCase.options);
+      c.setGeneralArgs(tCase.args);
+      c.mapDotToHead();
+
+      var j = JSON.stringify;
+      expect(
+        j(c.getGeneralArgs())
+      ).toBe(
+        j(tCase.gitArgs)
+      );
+
+      expect(
+        j(c.getSupportedMap())
+      ).toBe(
+        j(tCase.gitOptions)
+      );
+    });
+  });
+});
+