--- /dev/null
+//
+// Copyright 2019 AT&T Intellectual Property
+// Copyright 2019 Nokia
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+package common
+
+import (
+ "fmt"
+ "github.com/stretchr/testify/assert"
+ "testing"
+)
+
+func TestNewValidationError(t *testing.T){
+ msg := "Expected error"
+ expectedErr := NewValidationError(msg)
+ assert.NotNil(t, expectedErr)
+ assert.IsType(t, &ValidationError{}, expectedErr)
+ assert.Contains(t, expectedErr.Error(), msg)
+}
+
+func TestNewValidationErrorf(t *testing.T){
+ msg := "Expected error: %s, %s"
+ var args []interface{}
+ args = append(args, "arg1", "arg2")
+ expectedErr := NewValidationErrorf(msg, args...)
+ assert.NotNil(t, expectedErr)
+ assert.IsType(t, &ValidationError{}, expectedErr)
+ assert.Contains(t, expectedErr.Error(), fmt.Sprintf(msg, args...))
+}
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