statsd_exporter/pkg/level/level_test.go
royeo c3a818ef62 replace level pkg
Signed-off-by: royeo <ljn6176@gmail.com>
2021-08-17 23:27:27 +08:00

97 lines
2 KiB
Go

package level
import (
"bytes"
"strings"
"testing"
"github.com/go-kit/log"
)
func TestSetLogLevel(t *testing.T) {
tests := []struct {
name string
level string
logLevel Level
wantErr bool
}{
{"wrong level", "foo", LevelInfo, true},
{"level debug", "debug", LevelDebug, false},
{"level info", "info", LevelInfo, false},
{"level warn", "warn", LevelWarn, false},
{"level error", "error", LevelError, false},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := SetLogLevel(tt.level); (err != nil) != tt.wantErr {
t.Fatalf("Expected log level to be set successfully, but got %v", err)
}
if tt.logLevel != logLevel {
t.Fatalf("Expected log level %v, but got %v", tt.logLevel, logLevel)
}
})
}
}
func TestVariousLevels(t *testing.T) {
tests := []struct {
name string
level string
want string
}{
{
"level debug",
"debug",
strings.Join([]string{
"level=debug log=debug",
"level=info log=info",
"level=warn log=warn",
"level=error log=error",
}, "\n"),
},
{
"level info",
"info",
strings.Join([]string{
"level=info log=info",
"level=warn log=warn",
"level=error log=error",
}, "\n"),
},
{
"level warn",
"warn",
strings.Join([]string{
"level=warn log=warn",
"level=error log=error",
}, "\n"),
},
{
"level error",
"error",
strings.Join([]string{
"level=error log=error",
}, "\n"),
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
var buf bytes.Buffer
logger := log.NewLogfmtLogger(&buf)
if err := SetLogLevel(tt.level); err != nil {
t.Fatalf("Expected log level to be set successfully, but got %v", err)
}
Debug(logger).Log("log", "debug")
Info(logger).Log("log", "info")
Warn(logger).Log("log", "warn")
Error(logger).Log("log", "error")
got := strings.TrimSpace(buf.String())
if tt.want != got {
t.Fatalf("Expected log output %v, but got %v", tt.want, got)
}
})
}
}