62 lines
1.2 KiB
Go
62 lines
1.2 KiB
Go
package tsm1_test
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import (
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"io"
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"os"
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"reflect"
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"testing"
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"github.com/influxdata/influxdb/tsdb/engine/tsm1"
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)
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func TestEngine_DigestWriterReader(t *testing.T) {
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f := MustTempFile("")
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w, err := tsm1.NewDigestWriter(f)
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if err != nil {
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t.Fatalf("NewDigestWriter: %v", err)
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}
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ts := &tsm1.DigestTimeSpan{}
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ts.Add(1, 2, 3, 4)
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if err := w.WriteTimeSpan("cpu", ts); err != nil {
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t.Fatalf("WriteTimeSpan: %v", err)
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}
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if err := w.Close(); err != nil {
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t.Fatalf("Close: %v", err)
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}
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f, err = os.Open(f.Name())
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if err != nil {
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t.Fatalf("Open: %v", err)
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}
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r, err := tsm1.NewDigestReader(f)
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if err != nil {
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t.Fatalf("NewDigestReader: %v", err)
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}
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for {
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key, ts, err := r.ReadTimeSpan()
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if err == io.EOF {
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break
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} else if err != nil {
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t.Fatalf("ReadTimeSpan: %v", err)
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}
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if exp, got := "cpu", key; exp != got {
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t.Fatalf("key mismatch: exp %v, got %v", exp, got)
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}
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if exp, got := 1, len(ts.Ranges); exp != got {
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t.Fatalf("range len mismatch: exp %v, got %v", exp, got)
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}
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exp := tsm1.DigestTimeRange{Min: 1, Max: 2, N: 3, CRC: 4}
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if got := ts.Ranges[0]; !reflect.DeepEqual(exp, got) {
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t.Fatalf("time range mismatch: exp %v, got %v", exp, got)
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}
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}
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}
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