github.com/pingcap/tiflow@v0.0.0-20240520035814-5bf52d54e205/engine/jobmaster/dm/metadata/cluster_info_test.go (about)

     1  // Copyright 2022 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package metadata
    15  
    16  import (
    17  	"context"
    18  	"testing"
    19  
    20  	"github.com/coreos/go-semver/semver"
    21  	"github.com/pingcap/tiflow/engine/pkg/adapter"
    22  	"github.com/pingcap/tiflow/engine/pkg/meta/mock"
    23  	"github.com/stretchr/testify/require"
    24  )
    25  
    26  func TestInfoStore(t *testing.T) {
    27  	ver1 := *semver.New("1.0.0")
    28  	clusterInfo := NewClusterInfo(ver1)
    29  	require.True(t, clusterInfo.Version.Equal(ver1))
    30  
    31  	clusterInfoStore := NewClusterInfoStore(mock.NewMetaMock())
    32  	key := clusterInfoStore.key()
    33  	keys, err := adapter.DMInfoKeyAdapter.Decode(key)
    34  	require.NoError(t, err)
    35  	require.Len(t, keys, 1)
    36  	require.Equal(t, keys[0], "")
    37  
    38  	state := clusterInfoStore.createState()
    39  	require.IsType(t, &ClusterInfo{}, state)
    40  
    41  	state, err = clusterInfoStore.Get(context.Background())
    42  	require.EqualError(t, err, "state not found")
    43  	require.Nil(t, state)
    44  	require.EqualError(t, clusterInfoStore.UpdateVersion(context.Background(), ver1), "state not found")
    45  	require.NoError(t, clusterInfoStore.Put(context.Background(), clusterInfo))
    46  	state, err = clusterInfoStore.Get(context.Background())
    47  	require.NoError(t, err)
    48  	clusterInfo2 := state.(*ClusterInfo)
    49  	require.True(t, clusterInfo2.Version.Equal(clusterInfo.Version))
    50  
    51  	ver2 := *semver.New("2.0.0")
    52  	clusterInfoStore.UpdateVersion(context.Background(), ver2)
    53  	state, err = clusterInfoStore.Get(context.Background())
    54  	require.NoError(t, err)
    55  	clusterInfo3 := state.(*ClusterInfo)
    56  	require.True(t, clusterInfo3.Version.Equal(ver2))
    57  }