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logger.go
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logger.go
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package mock
import (
"context"
)
type Logger struct {
Logged []map[string]any
CtxFields map[string]any
}
func NewLogger() (logger *Logger) {
logger = &Logger{
CtxFields: map[string]any{},
Logged: []map[string]any{},
}
return
}
func (ml *Logger) Info(ctx context.Context, msg string, kv ...any) {
ml.log(ctx, msg, kv)
}
func (ml *Logger) Error(ctx context.Context, msg string, err error, kv ...any) {
ml.log(ctx, msg, append(kv, "error", err))
}
func (ml *Logger) WithFields(ctx context.Context, kv ...any) context.Context {
for key, val := range strKey(kv) {
ml.CtxFields[key] = val
}
return ctx
}
// unexported
func (ml *Logger) log(ctx context.Context, msg string, kv []any) {
line := strKey(kv)
for key, val := range ml.CtxFields {
line[key] = val
}
line["msg"] = msg
ml.Logged = append(ml.Logged, line)
}
func strKey(pairs []any) (keyval map[string]any) {
keyval = map[string]any{}
for i := 0; i < len(pairs)-1; i = i + 2 {
key := pairs[i].(string)
val := pairs[i+1]
keyval[key] = val
}
return
}