118 lines
2.6 KiB
Go
118 lines
2.6 KiB
Go
package codec
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import (
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"testing"
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clientmodel "github.com/prometheus/client_golang/model"
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)
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func newCodableFingerprint(fp int64) *CodableFingerprint {
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cfp := CodableFingerprint(fp)
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return &cfp
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}
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func newCodableLabelName(ln string) *CodableLabelName {
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cln := CodableLabelName(ln)
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return &cln
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}
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func TestCodec(t *testing.T) {
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scenarios := []struct {
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in codable
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out codable
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equal func(in, out codable) bool
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}{
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{
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in: &CodableMetric{
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"label_1": "value_2",
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"label_2": "value_2",
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"label_3": "value_3",
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},
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out: &CodableMetric{},
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equal: func(in, out codable) bool {
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m1 := (*clientmodel.Metric)(in.(*CodableMetric))
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m2 := (*clientmodel.Metric)(out.(*CodableMetric))
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return m1.Equal(*m2)
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},
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}, {
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in: newCodableFingerprint(12345),
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out: newCodableFingerprint(0),
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equal: func(in, out codable) bool {
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return *in.(*CodableFingerprint) == *out.(*CodableFingerprint)
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},
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}, {
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in: &CodableFingerprints{1, 2, 56, 1234},
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out: &CodableFingerprints{},
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equal: func(in, out codable) bool {
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fps1 := *in.(*CodableFingerprints)
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fps2 := *out.(*CodableFingerprints)
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if len(fps1) != len(fps2) {
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return false
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}
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for i, _ := range fps1 {
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if fps1[i] != fps2[i] {
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return false
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}
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}
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return true
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},
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}, {
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in: &CodableLabelPair{
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Name: "label_name",
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Value: "label_value",
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},
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out: &CodableLabelPair{},
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equal: func(in, out codable) bool {
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lp1 := *in.(*CodableLabelPair)
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lp2 := *out.(*CodableLabelPair)
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return lp1 == lp2
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},
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}, {
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in: newCodableLabelName("label_name"),
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out: newCodableLabelName(""),
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equal: func(in, out codable) bool {
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ln1 := *in.(*CodableLabelName)
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ln2 := *out.(*CodableLabelName)
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return ln1 == ln2
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},
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}, {
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in: &CodableLabelValues{"value_1", "value_2", "value_3"},
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out: &CodableLabelValues{},
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equal: func(in, out codable) bool {
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lvs1 := *in.(*CodableLabelValues)
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lvs2 := *out.(*CodableLabelValues)
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if len(lvs1) != len(lvs2) {
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return false
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}
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for i, _ := range lvs1 {
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if lvs1[i] != lvs2[i] {
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return false
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}
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}
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return true
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},
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}, {
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in: &CodableTimeRange{42, 2001},
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out: &CodableTimeRange{},
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equal: func(in, out codable) bool {
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ln1 := *in.(*CodableTimeRange)
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ln2 := *out.(*CodableTimeRange)
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return ln1 == ln2
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},
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},
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}
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for i, s := range scenarios {
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encoded, err := s.in.MarshalBinary()
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if err != nil {
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t.Fatal(err)
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}
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if err := s.out.UnmarshalBinary(encoded); err != nil {
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t.Fatal(err)
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}
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if !s.equal(s.in, s.out) {
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t.Errorf("%d. Got: %v; want %v; encoded bytes are: %v", i, s.out, s.in, encoded)
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}
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}
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}
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