add functions/vendor files

vendor/github.com/cactus/go-statsd-client/statsd/validator_test.go

@@ -0,0 +1,30 @@
+// Copyright (c) 2012-2016 Eli Janssen
+// Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+package statsd
+
+import "testing"
+
+var validatorTests = []struct {
+	Stat  string
+	Valid bool
+}{
+	{"test.one", true},
+	{"test#two", false},
+	{"test|three", false},
+	{"test@four", false},
+}
+
+func TestValidator(t *testing.T) {
+	var err error
+	for _, tt := range validatorTests {
+		err = CheckName(tt.Stat)
+		switch {
+		case err != nil && tt.Valid:
+			t.Fatal(err)
+		case err == nil && !tt.Valid:
+			t.Fatalf("validation should have failed for %s", tt.Stat)
+		}
+	}
+}