Function TestLogger_AppendToExistingFile

internal/logger/logger_test.go:481–514

(t *testing.T)

}

func TestLogger_AppendToExistingFile(t *testing.T) {
	// Create temporary directory
	tempDir, err := os.MkdirTemp("", "logger_test")
	require.NoError(t, err)
	defer os.RemoveAll(tempDir)

	logFile := filepath.Join(tempDir, "append_test.log")

	// Create first logger and write a message
	logger1, err := NewFileLogger(LevelInfo, logFile)
	require.NoError(t, err)

	defer logger1.Close()
	logger1.Info("first message")

	// Create second logger and write another message
	logger2, err := NewFileLogger(LevelInfo, logFile)
	require.NoError(t, err)

	defer logger2.Close()
	logger2.Info("second message")

	// Verify both messages are in the file
	content, err := os.ReadFile(logFile)
	require.NoError(t, err)

	contentStr := string(content)
	assert.Contains(t, contentStr, "first message")
	assert.Contains(t, contentStr, "second message")

	// Count occurrences to ensure both are there
	assert.Equal(t, 1, strings.Count(contentStr, "first message"))
	assert.Equal(t, 1, strings.Count(contentStr, "second message"))
}