// Copyright 2023 chenmingyong0423

// 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 aggregation

import (
	"testing"

	"github.com/stretchr/testify/assert"
	"go.mongodb.org/mongo-driver/v2/bson"
)

func TestBuilder_KeyValue(t *testing.T) {
	assert.Equal(t, bson.D{bson.E{Key: "name", Value: "chenmingyong"}}, NewBuilder().KeyValue("name", "chenmingyong").Build())
}

func TestBuilder_tryMergeValue(t *testing.T) {
	assert.True(t, NewBuilder().Push("items", "$item").tryMergeValue("items", bson.E{Key: "$avg", Value: "$items"}))
}
