package datacoord

import (
	"context"
	"testing"

	"github.com/stretchr/testify/assert"

	"github.com/milvus-io/milvus-proto/go-api/commonpb"
	"github.com/milvus-io/milvus/internal/proto/datapb"
)

func TestBroadcastAlteredCollection(t *testing.T) {
	t.Run("test server is closed", func(t *testing.T) {
		s := &Server{}
		s.stateCode.Store(commonpb.StateCode_Initializing)
		ctx := context.Background()
		resp, err := s.BroadcastAlteredCollection(ctx, nil)
		assert.NotNil(t, resp.Reason)
		assert.Nil(t, err)
	})

	t.Run("test meta non exist", func(t *testing.T) {
		s := &Server{meta: &meta{collections: make(map[UniqueID]*collectionInfo, 1)}}
		s.stateCode.Store(commonpb.StateCode_Healthy)
		ctx := context.Background()
		req := &datapb.AlterCollectionRequest{
			CollectionID: 1,
			PartitionIDs: []int64{1},
			Properties:   []*commonpb.KeyValuePair{{Key: "k", Value: "v"}},
		}
		resp, err := s.BroadcastAlteredCollection(ctx, req)
		assert.NotNil(t, resp)
		assert.NoError(t, err)
		assert.Equal(t, 1, len(s.meta.collections))
	})

	t.Run("test update meta", func(t *testing.T) {
		s := &Server{meta: &meta{collections: map[UniqueID]*collectionInfo{
			1: {ID: 1},
		}}}
		s.stateCode.Store(commonpb.StateCode_Healthy)
		ctx := context.Background()
		req := &datapb.AlterCollectionRequest{
			CollectionID: 1,
			PartitionIDs: []int64{1},
			Properties:   []*commonpb.KeyValuePair{{Key: "k", Value: "v"}},
		}

		assert.Nil(t, s.meta.collections[1].Properties)
		resp, err := s.BroadcastAlteredCollection(ctx, req)
		assert.NotNil(t, resp)
		assert.NoError(t, err)
		assert.NotNil(t, s.meta.collections[1].Properties)
	})
}