chore: seperate large files

internal/format/lrc/formatter_test.go

@@ -0,0 +1,72 @@
+package lrc
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestFormat(t *testing.T) {
+	// Create a temporary test file with messy formatting
+	content := `[ti:Test LRC File]
+[ar:Test Artist]
+
+[00:01.00]This should be first.
+[00:05.00]This is the second line.
+[00:09.50]This is the third line.
+`
+	tempDir := t.TempDir()
+	testFile := filepath.Join(tempDir, "test.lrc")
+	if err := os.WriteFile(testFile, []byte(content), 0644); err != nil {
+		t.Fatalf("Failed to create test file: %v", err)
+	}
+
+	// Format the file
+	err := Format(testFile)
+	if err != nil {
+		t.Fatalf("Format failed: %v", err)
+	}
+
+	// Read the formatted file
+	formatted, err := os.ReadFile(testFile)
+	if err != nil {
+		t.Fatalf("Failed to read formatted file: %v", err)
+	}
+
+	// Check that the file was at least generated successfully
+	lines := strings.Split(string(formatted), "\n")
+	if len(lines) < 4 {
+		t.Fatalf("Expected at least 4 lines, got %d", len(lines))
+	}
+	
+	// Check that the metadata was preserved
+	if !strings.Contains(string(formatted), "[ti:Test LRC File]") {
+		t.Errorf("Expected title metadata in output, not found")
+	}
+	
+	if !strings.Contains(string(formatted), "[ar:Test Artist]") {
+		t.Errorf("Expected artist metadata in output, not found")
+	}
+	
+	// Check that all the content lines are present
+	if !strings.Contains(string(formatted), "This should be first") {
+		t.Errorf("Expected 'This should be first' in output, not found")
+	}
+	
+	if !strings.Contains(string(formatted), "This is the second line") {
+		t.Errorf("Expected 'This is the second line' in output, not found")
+	}
+	
+	if !strings.Contains(string(formatted), "This is the third line") {
+		t.Errorf("Expected 'This is the third line' in output, not found")
+	}
+}
+
+func TestFormat_FileError(t *testing.T) {
+	// Test with non-existent file
+	err := Format("/nonexistent/file.lrc")
+	if err == nil {
+		t.Error("Expected error when formatting non-existent file, got nil")
+	}
+}