[grunt:version] added tests

tasks/config/simplemocha.js

@@ -4,5 +4,5 @@ module.exports = {
     ignoreLeaks: false,
     reporter: 'dot'
   },
-  all: { src: ['<%= root %>/test/server/unit/**/*.js']}
+  all: { src: ['<%= root %>/test/unit/{server,tasks}/**/*.js'] }
 };

tasks/utils/updateVersion.js

@@ -17,16 +17,16 @@ var versions = [
  * "tag" then the new value can be left of and the preivous
  * value will simply be incremented by one. if the version
  * peice is tag, some special rules apply:
- * 	  1. leaving the value empty will remove a tag
- * 		2. adding a new tag bumps the minor version
+ *     1. leaving the value empty will remove a tag
+ *     2. adding a new tag bumps the minor version
  *
  * examples:
  *
- * 	expr: minor
- * 	1.4.1 => 1.5.0
+ *  expr: minor
+ *  1.4.1 => 1.5.0
  *
- * 	expr: minor=10
- * 	1.5.5 => 1.10.0
+ *  expr: minor=10
+ *  1.5.5 => 1.10.0
  *
  *  expr: major=4
  *  0.0.1 => 4.0.0
@@ -122,7 +122,7 @@ function updateVersion(version, expr) {
 
     // properties that are zero-d by the previous update
     var emptyUpdates = versions.slice(versions.indexOf(change.name) + 1);
-    while(emptyUpdates.length) {
+    while (emptyUpdates.length) {
       parts[emptyUpdates.shift()] = '';
     }
   })

test/unit/tasks/utils/updateVersion.js

@@ -0,0 +1,33 @@
+var updateVersion = require('../../../../tasks/utils/updateVersion');
+
+describe('tasks/utils/updateVersion', function () {
+
+  it('applies a basic "minor" update', function () {
+    expect(updateVersion('1.4.1', 'minor')).to.be('1.5.0');
+  });
+
+  it('accepts a number for a version name', function () {
+    expect(updateVersion('1.5.5', 'minor=10')).to.be('1.10.0');
+  });
+
+  it('clears the tag and updates all lower version ids', function () {
+    expect(updateVersion('0.0.1-beta2', 'major=4')).to.be('4.0.0');
+  });
+
+  it('updates just a tag', function () {
+    expect(updateVersion('4.0.0-beta1', 'tag=beta2')).to.be('4.0.0-beta2');
+  });
+
+  it('clears a tag', function () {
+    expect(updateVersion('4.0.0-rc1', 'tag=')).to.be('4.0.0');
+  });
+
+  it('adds a tag, bumping the minor version', function () {
+    expect(updateVersion('4.0.0', 'tag=snapshot')).to.be('4.1.0-snapshot');
+  });
+
+  it('changes a tag', function () {
+    expect(updateVersion('4.1.0-snapshot', 'tag=rc1')).to.be('4.1.0-rc1');
+  });
+
+});