go-ethereum/libevm/ethtest/logger_test.go
2026-03-02 11:39:59 -05:00

86 lines
2.3 KiB
Go

// Copyright 2026 the libevm authors.
//
// The libevm additions to go-ethereum are free software: you can redistribute
// them and/or modify them under the terms of the GNU Lesser General Public License
// as published by the Free Software Foundation, either version 3 of the License,
// or (at your option) any later version.
//
// The libevm additions are distributed in the hope that they will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
// General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see
// <http://www.gnu.org/licenses/>.
package ethtest
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"golang.org/x/exp/slog"
"github.com/ava-labs/libevm/log"
)
type tbRecorder struct {
testing.TB
logged, errored []string
}
func (r *tbRecorder) Logf(format string, a ...any) {
r.logged = append(r.logged, fmt.Sprintf(format, a...))
}
func (r *tbRecorder) Errorf(format string, a ...any) {
r.errored = append(r.errored, fmt.Sprintf(format, a...))
}
func TestTBLogHandler(t *testing.T) {
tests := []struct {
name string
level slog.Level
wantLog []string
wantErr []string
}{
{
name: "warn_level",
level: slog.LevelWarn,
wantLog: []string{"Cockroach", "Hello"},
wantErr: []string{"Smoke", "Fire"},
},
{
name: "error_level",
level: slog.LevelError,
wantLog: []string{"Cockroach", "Hello", "Smoke"},
wantErr: []string{"Fire"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := &tbRecorder{}
l := log.NewLogger(NewTBLogHandler(got, tt.level))
l.Debug("Cockroach")
l.Info("Hello", "who", "world")
l.Warn("Smoke")
l.Error("Fire")
// Crit will call os.Exit(1) so we don't test it.
require.Len(t, got.logged, len(tt.wantLog), "Logf() calls")
require.Len(t, got.errored, len(tt.wantErr), "Errorf() calls")
for i, want := range tt.wantLog {
assert.Contains(t, got.logged[i], want, "Logf()[%d]", i)
}
for i, want := range tt.wantErr {
assert.Contains(t, got.errored[i], want, "Errorf()[%d]", i)
}
})
}
}