507 lines
14 KiB
Go
507 lines
14 KiB
Go
package vtt
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import (
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"fmt"
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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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"sub-cli/internal/model"
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)
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func TestParse(t *testing.T) {
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// Create a temporary test file
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content := `WEBVTT
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1
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00:00:01.000 --> 00:00:04.000
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This is the first line.
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2
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00:00:05.000 --> 00:00:08.000
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This is the second line.
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3
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00:00:09.500 --> 00:00:12.800
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This is the third line
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with a line break.
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`
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tempDir := t.TempDir()
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testFile := filepath.Join(tempDir, "test.vtt")
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if err := os.WriteFile(testFile, []byte(content), 0644); err != nil {
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t.Fatalf("Failed to create test file: %v", err)
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}
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// Test parsing
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subtitle, err := Parse(testFile)
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if err != nil {
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t.Fatalf("Parse failed: %v", err)
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}
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// Verify results
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if subtitle.Format != "vtt" {
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t.Errorf("Expected format 'vtt', got '%s'", subtitle.Format)
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}
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if len(subtitle.Entries) != 3 {
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t.Errorf("Expected 3 entries, got %d", len(subtitle.Entries))
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}
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// Check first entry
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if subtitle.Entries[0].Index != 1 {
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t.Errorf("First entry index: expected 1, got %d", subtitle.Entries[0].Index)
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}
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if subtitle.Entries[0].StartTime.Hours != 0 || subtitle.Entries[0].StartTime.Minutes != 0 ||
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subtitle.Entries[0].StartTime.Seconds != 1 || subtitle.Entries[0].StartTime.Milliseconds != 0 {
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t.Errorf("First entry start time: expected 00:00:01.000, got %+v", subtitle.Entries[0].StartTime)
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}
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if subtitle.Entries[0].EndTime.Hours != 0 || subtitle.Entries[0].EndTime.Minutes != 0 ||
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subtitle.Entries[0].EndTime.Seconds != 4 || subtitle.Entries[0].EndTime.Milliseconds != 0 {
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t.Errorf("First entry end time: expected 00:00:04.000, got %+v", subtitle.Entries[0].EndTime)
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}
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if subtitle.Entries[0].Text != "This is the first line." {
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t.Errorf("First entry text: expected 'This is the first line.', got '%s'", subtitle.Entries[0].Text)
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}
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// Check third entry with line break
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if subtitle.Entries[2].Index != 3 {
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t.Errorf("Third entry index: expected 3, got %d", subtitle.Entries[2].Index)
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}
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expectedText := "This is the third line\nwith a line break."
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if subtitle.Entries[2].Text != expectedText {
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t.Errorf("Third entry text: expected '%s', got '%s'", expectedText, subtitle.Entries[2].Text)
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}
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}
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func TestParse_WithHeader(t *testing.T) {
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// Create a temporary test file with title
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content := `WEBVTT - Test Title
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1
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00:00:01.000 --> 00:00:04.000
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This is the first line.
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`
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tempDir := t.TempDir()
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testFile := filepath.Join(tempDir, "test.vtt")
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if err := os.WriteFile(testFile, []byte(content), 0644); err != nil {
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t.Fatalf("Failed to create test file: %v", err)
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}
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// Test parsing
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subtitle, err := Parse(testFile)
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if err != nil {
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t.Fatalf("Parse failed: %v", err)
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}
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// Verify title was extracted
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if subtitle.Title != "Test Title" {
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t.Errorf("Expected title 'Test Title', got '%s'", subtitle.Title)
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}
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}
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func TestParse_WithStyles(t *testing.T) {
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// Create a temporary test file with CSS styling
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content := `WEBVTT
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STYLE
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::cue {
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color: white;
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background-color: black;
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}
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1
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00:00:01.000 --> 00:00:04.000 align:start position:10%
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This is <b>styled</b> text.
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`
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tempDir := t.TempDir()
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testFile := filepath.Join(tempDir, "test.vtt")
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if err := os.WriteFile(testFile, []byte(content), 0644); err != nil {
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t.Fatalf("Failed to create test file: %v", err)
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}
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// Test parsing
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subtitle, err := Parse(testFile)
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if err != nil {
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t.Fatalf("Parse failed: %v", err)
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}
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// First check if we have entries at all
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if len(subtitle.Entries) == 0 {
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t.Fatalf("No entries found in parsed subtitle")
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}
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// Verify styling was captured
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if subtitle.Entries[0].Styles == nil {
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t.Fatalf("Entry styles map is nil")
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}
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// Verify HTML tags were detected
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if _, ok := subtitle.Entries[0].FormatData["has_html_tags"]; !ok {
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t.Errorf("Expected HTML tags to be detected in entry")
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}
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// Verify cue settings were captured
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if subtitle.Entries[0].Styles["align"] != "start" {
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t.Errorf("Expected align style 'start', got '%s'", subtitle.Entries[0].Styles["align"])
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}
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if subtitle.Entries[0].Styles["position"] != "10%" {
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t.Errorf("Expected position style '10%%', got '%s'", subtitle.Entries[0].Styles["position"])
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}
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}
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func TestGenerate(t *testing.T) {
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// Create test subtitle
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subtitle := model.NewSubtitle()
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subtitle.Format = "vtt"
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subtitle.Title = "Test VTT"
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entry1 := model.NewSubtitleEntry()
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entry1.Index = 1
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entry1.StartTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 1, Milliseconds: 0}
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entry1.EndTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 4, Milliseconds: 0}
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entry1.Text = "This is the first line."
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entry2 := model.NewSubtitleEntry()
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entry2.Index = 2
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entry2.StartTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 5, Milliseconds: 0}
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entry2.EndTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 8, Milliseconds: 0}
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entry2.Text = "This is the second line."
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entry2.Styles["align"] = "center"
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subtitle.Entries = append(subtitle.Entries, entry1, entry2)
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// Generate VTT file
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tempDir := t.TempDir()
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outputFile := filepath.Join(tempDir, "output.vtt")
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err := Generate(subtitle, outputFile)
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if err != nil {
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t.Fatalf("Generate failed: %v", err)
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}
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// Verify generated content
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content, err := os.ReadFile(outputFile)
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if err != nil {
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t.Fatalf("Failed to read output file: %v", err)
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}
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// Check content
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lines := strings.Split(string(content), "\n")
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if len(lines) < 9 { // Header + title + blank + cue1 (4 lines) + cue2 (4 lines with style)
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t.Fatalf("Expected at least 9 lines, got %d", len(lines))
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}
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// Check header
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if !strings.HasPrefix(lines[0], "WEBVTT") {
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t.Errorf("Expected first line to start with WEBVTT, got '%s'", lines[0])
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}
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// Check title
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if !strings.Contains(lines[0], "Test VTT") {
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t.Errorf("Expected header to contain title 'Test VTT', got '%s'", lines[0])
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}
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// Parse the generated file to fully validate
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parsedSubtitle, err := Parse(outputFile)
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if err != nil {
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t.Fatalf("Failed to parse generated file: %v", err)
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}
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if len(parsedSubtitle.Entries) != 2 {
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t.Errorf("Expected 2 entries in parsed output, got %d", len(parsedSubtitle.Entries))
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}
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// Check style preservation
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if parsedSubtitle.Entries[1].Styles["align"] != "center" {
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t.Errorf("Expected align style 'center', got '%s'", parsedSubtitle.Entries[1].Styles["align"])
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}
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}
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func TestConvertToSubtitle(t *testing.T) {
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// Create a temporary test file
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content := `WEBVTT
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1
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00:00:01.000 --> 00:00:04.000
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This is the first line.
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2
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00:00:05.000 --> 00:00:08.000
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This is the second line.
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`
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tempDir := t.TempDir()
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testFile := filepath.Join(tempDir, "test.vtt")
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if err := os.WriteFile(testFile, []byte(content), 0644); err != nil {
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t.Fatalf("Failed to create test file: %v", err)
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}
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// Convert to subtitle
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subtitle, err := ConvertToSubtitle(testFile)
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if err != nil {
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t.Fatalf("ConvertToSubtitle failed: %v", err)
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}
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// Check result
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if subtitle.Format != "vtt" {
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t.Errorf("Expected format 'vtt', got '%s'", subtitle.Format)
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}
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if len(subtitle.Entries) != 2 {
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t.Errorf("Expected 2 entries, got %d", len(subtitle.Entries))
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}
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// Check first entry
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if subtitle.Entries[0].Text != "This is the first line." {
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t.Errorf("Expected first entry text 'This is the first line.', got '%s'", subtitle.Entries[0].Text)
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}
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}
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func TestConvertFromSubtitle(t *testing.T) {
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// Create test subtitle
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subtitle := model.NewSubtitle()
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subtitle.Format = "vtt"
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subtitle.Title = "Test VTT"
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entry1 := model.NewSubtitleEntry()
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entry1.Index = 1
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entry1.StartTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 1, Milliseconds: 0}
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entry1.EndTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 4, Milliseconds: 0}
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entry1.Text = "This is the first line."
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entry2 := model.NewSubtitleEntry()
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entry2.Index = 2
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entry2.StartTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 5, Milliseconds: 0}
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entry2.EndTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 8, Milliseconds: 0}
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entry2.Text = "This is the second line."
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subtitle.Entries = append(subtitle.Entries, entry1, entry2)
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// Convert from subtitle to VTT
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tempDir := t.TempDir()
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outputFile := filepath.Join(tempDir, "output.vtt")
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err := ConvertFromSubtitle(subtitle, outputFile)
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if err != nil {
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t.Fatalf("ConvertFromSubtitle failed: %v", err)
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}
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// Verify by parsing back
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parsedSubtitle, err := Parse(outputFile)
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if err != nil {
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t.Fatalf("Failed to parse output file: %v", err)
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}
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if len(parsedSubtitle.Entries) != 2 {
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t.Errorf("Expected 2 entries, got %d", len(parsedSubtitle.Entries))
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}
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if parsedSubtitle.Entries[0].Text != "This is the first line." {
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t.Errorf("Expected first entry text 'This is the first line.', got '%s'", parsedSubtitle.Entries[0].Text)
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}
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if parsedSubtitle.Title != "Test VTT" {
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t.Errorf("Expected title 'Test VTT', got '%s'", parsedSubtitle.Title)
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}
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}
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func TestFormat(t *testing.T) {
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// Create test file with non-sequential identifiers
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content := `WEBVTT
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5
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00:00:01.000 --> 00:00:04.000
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This is the first line.
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10
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00:00:05.000 --> 00:00:08.000
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This is the second line.
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`
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tempDir := t.TempDir()
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testFile := filepath.Join(tempDir, "test.vtt")
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if err := os.WriteFile(testFile, []byte(content), 0644); err != nil {
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t.Fatalf("Failed to create test file: %v", err)
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}
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// Format the file
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err := Format(testFile)
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if err != nil {
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t.Fatalf("Format failed: %v", err)
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}
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// Verify by parsing back
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subtitle, err := Parse(testFile)
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if err != nil {
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t.Fatalf("Failed to parse formatted file: %v", err)
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}
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// Check that identifiers are sequential
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if subtitle.Entries[0].Index != 1 {
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t.Errorf("Expected first entry index to be 1, got %d", subtitle.Entries[0].Index)
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}
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if subtitle.Entries[1].Index != 2 {
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t.Errorf("Expected second entry index to be 2, got %d", subtitle.Entries[1].Index)
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}
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}
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func TestParse_FileErrors(t *testing.T) {
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// Test with non-existent file
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_, err := Parse("/nonexistent/file.vtt")
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if err == nil {
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t.Error("Expected error when parsing non-existent file, got nil")
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}
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// Test with empty file
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tempDir := t.TempDir()
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emptyFile := filepath.Join(tempDir, "empty.vtt")
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if err := os.WriteFile(emptyFile, []byte{}, 0644); err != nil {
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t.Fatalf("Failed to create empty test file: %v", err)
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}
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_, err = Parse(emptyFile)
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if err == nil {
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t.Error("Expected error when parsing empty file, got nil")
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}
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// Test with invalid header
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invalidFile := filepath.Join(tempDir, "invalid.vtt")
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if err := os.WriteFile(invalidFile, []byte("NOT A WEBVTT FILE\n\n"), 0644); err != nil {
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t.Fatalf("Failed to create invalid test file: %v", err)
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}
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_, err = Parse(invalidFile)
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if err == nil {
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t.Error("Expected error when parsing file with invalid header, got nil")
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}
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}
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func TestParseVTTTimestamp(t *testing.T) {
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testCases := []struct {
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input string
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expected model.Timestamp
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}{
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// Standard format
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{"00:00:01.000", model.Timestamp{Hours: 0, Minutes: 0, Seconds: 1, Milliseconds: 0}},
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// Without leading zeros
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{"0:0:1.0", model.Timestamp{Hours: 0, Minutes: 0, Seconds: 1, Milliseconds: 0}},
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// Different millisecond formats
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{"00:00:01.1", model.Timestamp{Hours: 0, Minutes: 0, Seconds: 1, Milliseconds: 100}},
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{"00:00:01.12", model.Timestamp{Hours: 0, Minutes: 0, Seconds: 1, Milliseconds: 120}},
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{"00:00:01.123", model.Timestamp{Hours: 0, Minutes: 0, Seconds: 1, Milliseconds: 123}},
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// Long milliseconds (should truncate)
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{"00:00:01.1234", model.Timestamp{Hours: 0, Minutes: 0, Seconds: 1, Milliseconds: 123}},
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// Unusual but valid format
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{"01:02:03.456", model.Timestamp{Hours: 1, Minutes: 2, Seconds: 3, Milliseconds: 456}},
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}
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for _, tc := range testCases {
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t.Run(fmt.Sprintf("Timestamp_%s", tc.input), func(t *testing.T) {
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result := parseVTTTimestamp(tc.input)
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if result != tc.expected {
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t.Errorf("parseVTTTimestamp(%s) = %+v, want %+v", tc.input, result, tc.expected)
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}
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})
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}
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}
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func TestParse_WithComments(t *testing.T) {
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// Create a temporary test file with comments
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content := `WEBVTT
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NOTE This is a comment
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NOTE This is another comment
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1
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00:00:01.000 --> 00:00:04.000
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This is the first line.
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`
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tempDir := t.TempDir()
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testFile := filepath.Join(tempDir, "test_comments.vtt")
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if err := os.WriteFile(testFile, []byte(content), 0644); err != nil {
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t.Fatalf("Failed to create test file: %v", err)
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}
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// Test parsing
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subtitle, err := Parse(testFile)
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if err != nil {
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t.Fatalf("Parse failed: %v", err)
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}
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// Verify comments were captured
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if len(subtitle.Comments) != 2 {
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t.Errorf("Expected 2 comments, got %d", len(subtitle.Comments))
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}
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if subtitle.Comments[0] != "This is a comment" {
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t.Errorf("Expected first comment 'This is a comment', got '%s'", subtitle.Comments[0])
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}
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if subtitle.Comments[1] != "This is another comment" {
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t.Errorf("Expected second comment 'This is another comment', got '%s'", subtitle.Comments[1])
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}
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}
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func TestGenerate_WithRegions(t *testing.T) {
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// Create a subtitle with regions
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subtitle := model.NewSubtitle()
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subtitle.Format = "vtt"
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// Add a region
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region := model.NewSubtitleRegion("region1")
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region.Settings["width"] = "40%"
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region.Settings["lines"] = "3"
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region.Settings["regionanchor"] = "0%,100%"
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subtitle.Regions = append(subtitle.Regions, region)
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// Add an entry using the region
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entry := model.NewSubtitleEntry()
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entry.Index = 1
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entry.StartTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 1, Milliseconds: 0}
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entry.EndTime = model.Timestamp{Hours: 0, Minutes: 0, Seconds: 4, Milliseconds: 0}
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entry.Text = "This is a regional cue."
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entry.Styles["region"] = "region1"
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subtitle.Entries = append(subtitle.Entries, entry)
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// Generate VTT file
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tempDir := t.TempDir()
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outputFile := filepath.Join(tempDir, "regions.vtt")
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err := Generate(subtitle, outputFile)
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if err != nil {
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t.Fatalf("Generate failed: %v", err)
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}
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// Verify by reading file content
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content, err := os.ReadFile(outputFile)
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if err != nil {
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t.Fatalf("Failed to read output file: %v", err)
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}
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// Check if region is included
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if !strings.Contains(string(content), "REGION region1:") {
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t.Errorf("Expected REGION definition in output")
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}
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for k, v := range region.Settings {
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if !strings.Contains(string(content), fmt.Sprintf("%s=%s", k, v)) {
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t.Errorf("Expected region setting '%s=%s' in output", k, v)
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}
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}
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}
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func TestFormat_FileErrors(t *testing.T) {
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// Test with non-existent file
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err := Format("/nonexistent/file.vtt")
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if err == nil {
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t.Error("Expected error when formatting non-existent file, got nil")
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}
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}
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func TestGenerate_FileError(t *testing.T) {
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// Create test subtitle
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subtitle := model.NewSubtitle()
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|
subtitle.Format = "vtt"
|
|
|
|
// Test with invalid path
|
|
err := Generate(subtitle, "/nonexistent/directory/file.vtt")
|
|
if err == nil {
|
|
t.Error("Expected error when generating to invalid path, got nil")
|
|
}
|
|
}
|