chore: seperate large files

internal/format/ass/formatter_test.go

@@ -0,0 +1,99 @@
+package ass
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestFormat(t *testing.T) {
+	// Create a test ASS file with non-standard formatting
+	content := `[Script Info]
+ScriptType:v4.00+
+Title:  Format Test  
+PlayResX:640
+PlayResY:   480
+
+[V4+ Styles]
+Format:  Name,  Fontname,Fontsize,PrimaryColour,SecondaryColour,OutlineColour,BackColour,Bold,Italic,Underline,StrikeOut,ScaleX,ScaleY,Spacing,Angle,BorderStyle,Outline,Shadow,Alignment,MarginL,MarginR,MarginV,Encoding
+Style:Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,2,2,2,10,10,10,1
+
+[Events]
+Format:Layer,  Start,End,Style,Name,MarginL,MarginR,MarginV,Effect,Text
+Dialogue:0,0:00:01.00,0:00:04.00,Default,,0,0,0,,This is the first subtitle line.
+Dialogue:  0,0:00:05.00,0:00:08.00,Default,,0,0,0,,This is the second subtitle line.
+`
+	tempDir := t.TempDir()
+	testFile := filepath.Join(tempDir, "format_test.ass")
+	if err := os.WriteFile(testFile, []byte(content), 0644); err != nil {
+		t.Fatalf("Failed to create test file: %v", err)
+	}
+	
+	// Test format
+	err := Format(testFile)
+	if err != nil {
+		t.Fatalf("Format failed: %v", err)
+	}
+	
+	// Read the formatted file
+	formattedContent, err := os.ReadFile(testFile)
+	if err != nil {
+		t.Fatalf("Failed to read formatted file: %v", err)
+	}
+	
+	contentStr := string(formattedContent)
+	
+	// Check for consistency and proper spacing
+	if !strings.Contains(contentStr, "Title: Format Test") {
+		t.Errorf("Title should be properly formatted, got: %s", contentStr)
+	}
+	
+	// Check style section formatting
+	if !strings.Contains(contentStr, "Format: Name, Fontname, Fontsize") {
+		t.Errorf("Style format should be properly spaced, got: %s", contentStr)
+	}
+	
+	// Check event section formatting
+	if !strings.Contains(contentStr, "Dialogue: 0,") {
+		t.Errorf("Dialogue should be properly formatted, got: %s", contentStr)
+	}
+	
+	// Parse formatted file to ensure it's valid
+	assFile, err := Parse(testFile)
+	if err != nil {
+		t.Fatalf("Failed to parse formatted file: %v", err)
+	}
+	
+	// Verify basic structure remains intact
+	if assFile.ScriptInfo["Title"] != "Format Test" {
+		t.Errorf("Title mismatch after formatting: expected 'Format Test', got '%s'", assFile.ScriptInfo["Title"])
+	}
+	
+	if len(assFile.Events) != 2 {
+		t.Errorf("Expected 2 events after formatting, got %d", len(assFile.Events))
+	}
+}
+
+func TestFormat_NonExistentFile(t *testing.T) {
+	err := Format("/nonexistent/file.ass")
+	if err == nil {
+		t.Error("Formatting non-existent file should return an error")
+	}
+}
+
+func TestFormat_InvalidWritable(t *testing.T) {
+	// Create a directory instead of a file
+	tempDir := t.TempDir()
+	dirAsFile := filepath.Join(tempDir, "dir_as_file")
+	
+	if err := os.Mkdir(dirAsFile, 0755); err != nil {
+		t.Fatalf("Failed to create test directory: %v", err)
+	}
+	
+	// Try to format a directory
+	err := Format(dirAsFile)
+	if err == nil {
+		t.Error("Formatting a directory should return an error")
+	}
+}