姚章浩
39 lines
1.2 KiB
Go
39 lines
1.2 KiB
Go
package libraryrelease
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import (
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"context"
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"errors"
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"testing"
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"time"
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)
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// failingObserver 模拟"预备份引用无法持久化"：真实场景是治理库写入失败。
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type failingObserver struct{ stageLog }
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func (f *failingObserver) BackupPrepared(context.Context, BackupRef) error {
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return errors.New("persist backup ref failed")
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}
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// 预备份引用持久化失败时必须零写入：没有可恢复基线就不许碰目标。
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func TestRunRefusesToWriteWhenBackupReferenceCannotBePersisted(t *testing.T) {
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target := &fakeTarget{}
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backups := &fakeBackups{}
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recorder := &failingObserver{}
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outcome := Run(context.Background(), request(time.Now()), target, backups, recorder)
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if outcome.State == "succeeded" {
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t.Fatalf("state = %s, must not succeed without a recoverable backup", outcome.State)
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}
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if len(target.applied) != 0 {
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t.Fatalf("applied stages = %v, must be zero when the backup reference is lost", target.applied)
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}
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if target.restored != 0 {
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t.Fatalf("restore must not run when nothing was written (restored=%d)", target.restored)
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}
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if !recorder.has("prebackup:failed") {
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t.Fatalf("stage log = %v, want prebackup:failed", recorder.entries)
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}
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if outcome.Recovery == "" {
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t.Fatal("failed outcome must explain how to recover")
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}
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}
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