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			62 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2021 The etcd Authors
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| //
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| //     http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| package schema
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| 
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| import (
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| 	"testing"
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| 	"time"
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| 
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| 	betesting "go.etcd.io/etcd/server/v3/storage/backend/testing"
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| )
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| 
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| func TestUpgradeDowngrade(t *testing.T) {
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| 	tcs := []struct {
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| 		name                      string
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| 		change                    schemaChange
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| 		expectStateAfterUpgrade   map[string]string
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| 		expectStateAfterDowngrade map[string]string
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| 	}{
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| 		{
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| 			name:                    "addNewField empty",
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| 			change:                  addNewField(Meta, []byte("/test"), []byte("1")),
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| 			expectStateAfterUpgrade: map[string]string{"/test": "1"},
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| 		},
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| 	}
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| 	for _, tc := range tcs {
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| 		t.Run(tc.name, func(t *testing.T) {
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| 			be, _ := betesting.NewTmpBackend(t, time.Microsecond, 10)
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| 			defer be.Close()
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| 			tx := be.BatchTx()
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| 			if tx == nil {
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| 				t.Fatal("batch tx is nil")
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| 			}
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| 			tx.Lock()
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| 			defer tx.Unlock()
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| 			UnsafeCreateMetaBucket(tx)
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| 
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| 			_, err := tc.change.upgradeAction().unsafeDo(tx)
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| 			if err != nil {
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| 				t.Errorf("Failed to upgrade, err: %v", err)
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| 			}
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| 			assertBucketState(t, tx, Meta, tc.expectStateAfterUpgrade)
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| 			_, err = tc.change.downgradeAction().unsafeDo(tx)
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| 			if err != nil {
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| 				t.Errorf("Failed to downgrade, err: %v", err)
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| 			}
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| 			assertBucketState(t, tx, Meta, tc.expectStateAfterDowngrade)
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| 		})
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| 	}
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| }
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