cipd: Add -tag option to 'create' and 'pkg-register' subcomands.

go/src/infra/tools/cipd/common_test.go

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package cipd
 
 import (
         "bytes"
         "strings"
         "testing"
@@ skipping 54 matching lines @@
                 So(ValidateInstanceID(""), ShouldNotBeNil)
                 So(ValidateInstanceID("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), ShouldBeNil)
                 So(ValidateInstanceID("0123456789abcdefaaaaaaaaaaaaaaaaaaaaaaaa"), ShouldBeNil)
                 So(ValidateInstanceID("€aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), ShouldNotBeNil)
                 So(ValidateInstanceID("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), ShouldNotBeNil)
                 So(ValidateInstanceID("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), ShouldNotBeNil)
                 So(ValidateInstanceID("gaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), ShouldNotBeNil)
                 So(ValidateInstanceID("AAAaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"), ShouldNotBeNil)
         })
 }
+
+func TestValidateInstanceTag(t *testing.T) {
+        Convey("ValidateInstanceTag works", t, func() {
+                So(ValidateInstanceTag(""), ShouldNotBeNil)
+                So(ValidateInstanceTag("notapair"), ShouldNotBeNil)
+                So(ValidateInstanceTag(strings.Repeat("long", 200)+":abc"), ShouldNotBeNil)
+                So(ValidateInstanceTag("BADKEY:value"), ShouldNotBeNil)
+                So(ValidateInstanceTag("good:tag"), ShouldBeNil)
+                So(ValidateInstanceTag("good_tag:"), ShouldBeNil)
+                So(ValidateInstanceTag("good:tag:blah"), ShouldBeNil)
+                So(ValidateInstanceTag("good_tag:asdad/asdad/adad/a\\asdasdad"), ShouldBeNil)
+        })
+}