74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
package config
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import (
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"log/slog"
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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func TestNewLogger_Invalid(t *testing.T) {
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if _, _, err := NewLogger(LoggingConfig{Format: "xml"}); err == nil {
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t.Error("expected error for format xml")
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}
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if _, _, err := NewLogger(LoggingConfig{Level: "loud"}); err == nil {
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t.Error("expected error for level loud")
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}
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}
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func TestNewLogger_Levels(t *testing.T) {
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for _, tt := range []struct {
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in string
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want slog.Level
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}{{"", slog.LevelInfo}, {"debug", slog.LevelDebug}, {"INFO", slog.LevelInfo}, {"warn", slog.LevelWarn}, {"warning", slog.LevelWarn}, {"error", slog.LevelError}} {
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got, err := parseLogLevel(tt.in)
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if err != nil || got != tt.want {
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t.Errorf("parseLogLevel(%q) = %v, %v; want %v", tt.in, got, err, tt.want)
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}
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}
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}
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// Rotation: after the file is renamed away, Reopen must create a fresh file at
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// the configured path and subsequent writes must land there.
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func TestLogWriter_Reopen(t *testing.T) {
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dir := t.TempDir()
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path := filepath.Join(dir, "app.log")
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w, err := newLogWriter(path)
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if err != nil {
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t.Fatal(err)
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}
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defer w.Close()
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if _, err := w.Write([]byte("one\n")); err != nil {
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t.Fatal(err)
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}
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rotated := filepath.Join(dir, "app.log.0")
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if err := os.Rename(path, rotated); err != nil {
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t.Fatal(err)
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}
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if err := w.Reopen(); err != nil {
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t.Fatalf("Reopen: %v", err)
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}
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if _, err := w.Write([]byte("two\n")); err != nil {
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t.Fatal(err)
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}
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old, _ := os.ReadFile(rotated)
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fresh, _ := os.ReadFile(path)
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if strings.TrimSpace(string(old)) != "one" || strings.TrimSpace(string(fresh)) != "two" {
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t.Errorf("rotated=%q fresh=%q", old, fresh)
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}
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}
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func TestLogWriter_StderrReopenIsNoop(t *testing.T) {
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w, err := newLogWriter("stderr")
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if err != nil {
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t.Fatal(err)
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}
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if err := w.Reopen(); err != nil {
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t.Errorf("Reopen on stderr: %v", err)
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}
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if err := w.Close(); err != nil {
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t.Errorf("Close on stderr: %v", err)
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}
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}
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