Files
grafana/pkg/infra/log/log_writer_test.go
2020-08-14 14:43:25 +02:00

123 lines
2.6 KiB
Go

package log
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/inconshreveable/log15"
)
type FakeLogger struct {
m map[string]string
}
func (f *FakeLogger) New(ctx ...interface{}) log15.Logger {
return nil
}
func (f *FakeLogger) Debug(msg string, ctx ...interface{}) {
f.m["debug"] = msg
}
func (f *FakeLogger) Info(msg string, ctx ...interface{}) {
f.m["info"] = msg
}
func (f *FakeLogger) Warn(msg string, ctx ...interface{}) {
f.m["warn"] = msg
}
func (f *FakeLogger) Error(msg string, ctx ...interface{}) {
f.m["err"] = msg
}
func (f *FakeLogger) Crit(msg string, ctx ...interface{}) {
f.m["crit"] = msg
}
func (f *FakeLogger) GetHandler() log15.Handler {
return nil
}
func (f *FakeLogger) SetHandler(l log15.Handler) {}
func TestLogWriter_level(t *testing.T) {
tests := []struct {
description string
logger string
prefix string
level Lvl
input []byte
expectedConsumed int
expectedOutput string
}{
{
description: "level crit",
logger: "crit",
input: []byte("crit"),
level: LvlCrit,
expectedConsumed: 4,
expectedOutput: "crit",
},
{
description: "level error",
logger: "err",
input: []byte("error"),
level: LvlError,
expectedConsumed: 5,
expectedOutput: "error",
},
{
description: "level warn",
logger: "warn",
input: []byte("warn"),
level: LvlWarn,
expectedConsumed: 4,
expectedOutput: "warn",
},
{
description: "level info",
logger: "info",
input: []byte("info"),
level: LvlInfo,
expectedConsumed: 4,
expectedOutput: "info",
},
{
description: "level debug",
logger: "debug",
input: []byte("debug"),
level: LvlDebug,
expectedConsumed: 5,
expectedOutput: "debug",
},
{
description: "prefix",
logger: "debug",
input: []byte("debug"),
prefix: "prefix",
level: LvlDebug,
expectedConsumed: 5,
expectedOutput: "prefixdebug",
},
}
for _, tc := range tests {
tc := tc // to avoid timing issues
t.Run(tc.description, func(t *testing.T) {
t.Parallel()
fake := &FakeLogger{m: map[string]string{}}
w := NewLogWriter(fake, tc.level, tc.prefix)
n, err := w.Write(tc.input)
require.NoError(t, err)
assert.Equal(t, tc.expectedConsumed, n)
assert.Equal(t, tc.expectedOutput, fake.m[tc.logger])
})
}
}