Move "common/config" common types into cfgtypes.

luci_config/common/cfgtypes/config_set_test.go

Index: luci_config/common/cfgtypes/config_set_test.go
diff --git a/luci_config/common/cfgtypes/config_set_test.go b/luci_config/common/cfgtypes/config_set_test.go
new file mode 100644
index 0000000000000000000000000000000000000000..de6e5944db9b0c2518ab3ff79ab1a41368152d0e
--- /dev/null
+++ b/luci_config/common/cfgtypes/config_set_test.go
@@ -0,0 +1,36 @@
+// Copyright 2016 The LUCI Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+
+package cfgtypes
+
+import (
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestConfigSet(t *testing.T) {
+	t.Parallel()
+
+	Convey(`Testing config set utility methods`, t, func() {
+		So(ServiceConfigSet("my-service"), ShouldEqual, "services/my-service")
+		So(ProjectConfigSet("my-project"), ShouldEqual, "projects/my-project")
+		So(RefConfigSet("my-project", "refs/heads/master"), ShouldEqual, "projects/my-project/refs/heads/master")
+
+		project, configSet, tail := ConfigSet("projects/foo").SplitProject()
+		So(project, ShouldEqual, "foo")
+		So(configSet, ShouldEqual, "projects/foo")
+		So(tail, ShouldEqual, "")
+
+		project, configSet, tail = ConfigSet("projects/foo/refs/heads/master").SplitProject()
+		So(project, ShouldEqual, "foo")
+		So(configSet, ShouldEqual, "projects/foo")
+		So(tail, ShouldEqual, "refs/heads/master")
+
+		project, configSet, tail = ConfigSet("not/a/project/config/set").SplitProject()
+		So(project, ShouldEqual, "")
+		So(configSet, ShouldEqual, "")
+		So(tail, ShouldEqual, "")
+	})
+}