// Ensure tags can be marshaled into a byte slice.
func TestMarshalTags(t *testing.T) {
for i, tt := range []struct {
tags map[string]string
result []byte
}{
{
tags: nil,
result: nil,
},
{
tags: map[string]string{"foo": "bar"},
result: []byte(`foo|bar`),
},
{
tags: map[string]string{"foo": "bar", "baz": "battttt"},
result: []byte(`baz|foo|battttt|bar`),
},
{
tags: map[string]string{"baz": "battttt", "foo": "bar"},
result: []byte(`baz|foo|battttt|bar`),
},
} {
result := tsdb.MarshalTags(tt.tags)
if !bytes.Equal(result, tt.result) {
t.Fatalf("%d. unexpected result: exp=%s, got=%s", i, tt.result, result)
}
}
}
func genTestSeries(mCnt, tCnt, vCnt int) []*TestSeries {
measurements := genStrList("measurement", mCnt)
tagSets := NewTagSetGenerator(tCnt, vCnt).AllSets()
series := []*TestSeries{}
for _, m := range measurements {
for _, ts := range tagSets {
series = append(series, &TestSeries{
Measurement: m,
Series: tsdb.NewSeries(fmt.Sprintf("%s:%s", m, string(tsdb.MarshalTags(ts))), ts),
})
}
}
return series
}
func benchmarkMarshalTags(b *testing.B, keyN int) {
const keySize, valueSize = 8, 15
// Generate tag map.
tags := make(map[string]string)
for i := 0; i < keyN; i++ {
tags[fmt.Sprintf("%0*d", keySize, i)] = fmt.Sprintf("%0*d", valueSize, i)
}
// Unmarshal map into byte slice.
b.ReportAllocs()
for i := 0; i < b.N; i++ {
tsdb.MarshalTags(tags)
}
}