seata-go/pkg/saga/statemachine/engine/expr/cel_expression_test.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 expr

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestValueWithNil(t *testing.T) {
	expr, err := NewCELExpression("'Hello' + ' World!'")
	assert.NoError(t, err, "Error creating expression")
	value := expr.Value(nil)
	assert.Equal(t, "Hello World!", value, "Expected 'Hello World!'")
}

func TestValue(t *testing.T) {
	expr, err := NewCELExpression("elContext['name'] + ' World!'")
	assert.NoError(t, err, "Error creating expression")
	elContext := map[string]any{
		"name": "Hello",
	}

	value := expr.Value(elContext)
	assert.Equal(t, "Hello World!", value, "Expected 'Hello World!'")
}