VictoriaMetrics/lib/protoparser/opentsdbhttp/parser_timing_test.go
Aliaksandr Valialkin d5dddb0953 all: use %w instead of %s for wrapping errors in fmt.Errorf
This will simplify examining the returned errors such as httpserver.ErrorWithStatusCode .
See https://blog.golang.org/go1.13-errors for details.
2020-06-30 23:05:11 +03:00

34 lines
915 B
Go

package opentsdbhttp
import (
"fmt"
"testing"
"github.com/valyala/fastjson"
)
func BenchmarkRowsUnmarshal(b *testing.B) {
s := `[{"metric": "cpu.usage_user", "timestamp": 1234556768, "value": 1.23, "tags": {"a":"b", "x": "y"}},
{"metric": "cpu.usage_system", "timestamp": 1234556768, "value": 23.344, "tags": {"a":"b"}},
{"metric": "cpu.usage_iowait", "timestamp": 1234556769, "value":3.3443, "tags": {"a":"b"}},
{"metric": "cpu.usage_irq", "timestamp": 1234556768, "value": 0.34432, "tags": {"a":"b"}}
]
`
b.SetBytes(int64(len(s)))
b.ReportAllocs()
b.RunParallel(func(pb *testing.PB) {
var rows Rows
var p fastjson.Parser
for pb.Next() {
v, err := p.Parse(s)
if err != nil {
panic(fmt.Errorf("cannot parse %q: %w", s, err))
}
rows.Unmarshal(v)
if len(rows.Rows) != 4 {
panic(fmt.Errorf("unexpected number of rows unmarshaled; got %d; want 4", len(rows.Rows)))
}
}
})
}