112 lines
2.2 KiB
Go
112 lines
2.2 KiB
Go
package tsm1_test
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import (
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"reflect"
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"testing"
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"testing/quick"
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"github.com/influxdata/influxdb/tsdb/engine/tsm1"
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)
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func Test_BooleanEncoder_NoValues(t *testing.T) {
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enc := tsm1.NewBooleanEncoder()
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b, err := enc.Bytes()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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dec := tsm1.NewBooleanDecoder(b)
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if dec.Next() {
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t.Fatalf("unexpected next value: got true, exp false")
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}
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}
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func Test_BooleanEncoder_Single(t *testing.T) {
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enc := tsm1.NewBooleanEncoder()
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v1 := true
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enc.Write(v1)
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b, err := enc.Bytes()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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dec := tsm1.NewBooleanDecoder(b)
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if !dec.Next() {
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t.Fatalf("unexpected next value: got false, exp true")
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}
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if v1 != dec.Read() {
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t.Fatalf("unexpected value: got %v, exp %v", dec.Read(), v1)
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}
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}
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func Test_BooleanEncoder_Multi_Compressed(t *testing.T) {
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enc := tsm1.NewBooleanEncoder()
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values := make([]bool, 10)
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for i := range values {
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values[i] = i%2 == 0
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enc.Write(values[i])
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}
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b, err := enc.Bytes()
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if exp := 4; len(b) != exp {
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t.Fatalf("unexpected length: got %v, exp %v", len(b), exp)
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}
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dec := tsm1.NewBooleanDecoder(b)
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for i, v := range values {
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if !dec.Next() {
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t.Fatalf("unexpected next value: got false, exp true")
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}
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if v != dec.Read() {
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t.Fatalf("unexpected value at pos %d: got %v, exp %v", i, dec.Read(), v)
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}
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}
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if dec.Next() {
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t.Fatalf("unexpected next value: got true, exp false")
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}
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}
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func Test_BooleanEncoder_Quick(t *testing.T) {
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if err := quick.Check(func(values []bool) bool {
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expected := values
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if values == nil {
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expected = []bool{}
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}
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// Write values to encoder.
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enc := tsm1.NewBooleanEncoder()
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for _, v := range values {
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enc.Write(v)
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}
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// Retrieve compressed bytes.
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buf, err := enc.Bytes()
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if err != nil {
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t.Fatal(err)
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}
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// Read values out of decoder.
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got := make([]bool, 0, len(values))
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dec := tsm1.NewBooleanDecoder(buf)
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for dec.Next() {
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got = append(got, dec.Read())
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}
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// Verify that input and output values match.
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if !reflect.DeepEqual(expected, got) {
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t.Fatalf("mismatch:\n\nexp=%#v\n\ngot=%#v\n\n", expected, got)
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}
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return true
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}, nil); err != nil {
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t.Fatal(err)
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}
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}
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