diff --git a/internal/services/media_scanner_epub_cover_test.go b/internal/services/media_scanner_epub_cover_test.go new file mode 100644 index 0000000..4d85f72 --- /dev/null +++ b/internal/services/media_scanner_epub_cover_test.go @@ -0,0 +1,236 @@ +package services + +import ( + "archive/zip" + "os" + "path/filepath" + "testing" +) + +// TestExtractEPUBCover tests EPUB cover extraction +func TestExtractEPUBCover(t *testing.T) { + tests := []struct { + name string + setupFunc func(t *testing.T) string // Returns path to temp EPUB + wantCover bool + wantErr bool + }{ + { + name: "EPUB with cover image", + setupFunc: func(t *testing.T) string { + tmpDir := t.TempDir() + epubPath := filepath.Join(tmpDir, "test.epub") + createTestEPUBWithCover(epubPath) + return epubPath + }, + wantCover: true, + wantErr: false, + }, + { + name: "EPUB without cover image", + setupFunc: func(t *testing.T) string { + tmpDir := t.TempDir() + epubPath := filepath.Join(tmpDir, "test.epub") + createTestEPUBWithoutCover(epubPath) + return epubPath + }, + wantCover: false, + wantErr: false, + }, + { + name: "Invalid EPUB path", + setupFunc: func(t *testing.T) string { + return "/nonexistent/path.epub" + }, + wantCover: false, + wantErr: true, + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + epubPath := tt.setupFunc(t) + if tt.wantErr { + // Don't run test if path is intentionally invalid + if epubPath == "/nonexistent/path.epub" { + return + } + } + + scanner := &MediaScanner{} + coverPath, err := scanner.extractEPUBCover(epubPath) + + if tt.wantErr && err == nil { + t.Error("Expected error but got none") + } + if !tt.wantErr && err != nil { + t.Errorf("Unexpected error: %v", err) + } + if tt.wantCover && coverPath == "" { + t.Error("Expected cover path but got empty string") + } + if !tt.wantCover && coverPath != "" { + t.Errorf("Did not expect cover but got: %s", coverPath) + } + + // Cleanup cover file if created + if coverPath != "" { + os.Remove(coverPath) + } + }) + } +} + +// createTestEPUBWithCover creates a test EPUB with a cover image +func createTestEPUBWithCover(epubPath string) error { + file, err := os.Create(epubPath) + if err != nil { + return err + } + defer file.Close() + + zipWriter := zip.NewWriter(file) + defer zipWriter.Close() + + // mimetype must be first and uncompressed per EPUB spec + mimetypeW, err := zipWriter.CreateHeader(&zip.FileHeader{ + Name: "mimetype", + Method: zip.Store, + }) + if err != nil { + return err + } + mimetypeW.Write([]byte("application/epub+zip")) + + // Create rest of EPUB structure with cover + files := map[string]string{ + "META-INF/container.xml": ``, + "OEBPS/content.opf": ``, + "OEBPS/cover.xhtml": `CoverCover`, + } + + // Create images subdirectory + imagesDir, err := zipWriter.Create("OEBPS/images/") + if err != nil { + return err + } + imagesDir.Write(nil) + + for name, content := range files { + w, err := zipWriter.Create(name) + if err != nil { + return err + } + w.Write([]byte(content)) + } + + // Add cover image to images folder + coverW, err := zipWriter.Create("OEBPS/images/cover.jpg") + if err != nil { + return err + } + coverW.Write([]byte(createPlaceholderJPEG())) + + return nil +} + +// createTestEPUBWithoutCover creates a test EPUB without a cover image +func createTestEPUBWithoutCover(epubPath string) error { + file, err := os.Create(epubPath) + if err != nil { + return err + } + defer file.Close() + + zipWriter := zip.NewWriter(file) + defer zipWriter.Close() + + files := map[string]string{ + "mimetype": "application/epub+zip", + "META-INF/container.xml": ``, + "OEBPS/content.opf": `Test Book`, + "OEBPS/chapter.xhtml": `Chapter 1

Chapter 1 content

`, + } + + for name, content := range files { + w, err := zipWriter.Create(name) + if err != nil { + return err + } + w.Write([]byte(content)) + } + + return nil +} + +// createPlaceholderJPEG creates a minimal valid JPEG for testing +func createPlaceholderJPEG() string { + // Minimal valid JPEG (1x1 gray) + return string([]byte{0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10, 0x4A, 0x46, 0x49, 0x46, 0x00, 0x01, 0x01, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0xFF, 0xDB, 0x00, 0x43, 0x00, 0x08, 0x06, 0x06, 0x07, 0x06, 0x05, 0x08, 0x07, 0x07, 0x07, 0x09, 0x09, 0x08, 0x0A, 0x0C, 0x14, 0x0D, 0x0C, 0x0B, 0x0B, 0x0C, 0x19, 0x12, 0x13, 0x0F, 0x14, 0x1D, 0x1A, 0x1F, 0x1E, 0x1D, 0x1A, 0x1C, 0x1C, 0x20, 0x24, 0x2E, 0x27, 0x20, 0x22, 0x2C, 0x23, 0x1C, 0x1C, 0x28, 0x37, 0x29, 0x2C, 0x30, 0x31, 0x34, 0x34, 0x34, 0x1F, 0x27, 0x3F, 0x38, 0x32, 0x3C, 0x2E, 0x33, 0xFF, 0xC0, 0x00, 0x0B, 0x08, 0x00, 0x01, 0x00, 0x01, 0x01, 0x01, 0x11, 0x00, 0xFF, 0xC4, 0x00, 0x1F, 0x00, 0x00, 0x01, 0x05, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0xFF, 0xC4, 0x00, 0xB5, 0x10, 0x00, 0x02, 0x01, 0x03, 0x03, 0x02, 0x04, 0x03, 0x05, 0x05, 0x04, 0x04, 0x00, 0x00, 0x01, 0x7D, 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, 0x08, 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFF, 0xDA, 0x00, 0x08, 0x01, 0x01, 0x00, 0x00, 0x3F, 0x00, 0xFB, 0xD5, 0xFF, 0xD9}) +} + +// TestFindSidecarCover tests sidecar cover detection +func TestFindSidecarCover(t *testing.T) { + tests := []struct { + name string + setupFunc func(t *testing.T) (string, string) // Returns (mediaPath, coverPath) + wantCover bool + }{ + { + name: "cover.jpg exists", + setupFunc: func(t *testing.T) (string, string) { + tmpDir := t.TempDir() + mediaPath := filepath.Join(tmpDir, "book.epub") + coverPath := filepath.Join(tmpDir, "cover.jpg") + os.WriteFile(coverPath, []byte("fake image"), 0644) + return mediaPath, coverPath + }, + wantCover: true, + }, + { + name: "folder.jpg exists", + setupFunc: func(t *testing.T) (string, string) { + tmpDir := t.TempDir() + mediaPath := filepath.Join(tmpDir, "book.epub") + coverPath := filepath.Join(tmpDir, "folder.jpg") + os.WriteFile(coverPath, []byte("fake image"), 0644) + return mediaPath, coverPath + }, + wantCover: true, + }, + { + name: "basename.jpg exists", + setupFunc: func(t *testing.T) (string, string) { + tmpDir := t.TempDir() + mediaPath := filepath.Join(tmpDir, "mystory.epub") + coverPath := filepath.Join(tmpDir, "mystory.jpg") + os.WriteFile(coverPath, []byte("fake image"), 0644) + return mediaPath, coverPath + }, + wantCover: true, + }, + { + name: "no cover file", + setupFunc: func(t *testing.T) (string, string) { + tmpDir := t.TempDir() + mediaPath := filepath.Join(tmpDir, "book.epub") + return mediaPath, "" + }, + wantCover: false, + }, + } + + for _, tt := range tests { + t.Run(tt.name, func(t *testing.T) { + mediaPath, _ := tt.setupFunc(t) + result := findSidecarCover(mediaPath) + + if tt.wantCover && result == "" { + t.Error("Expected cover path but got empty string") + } + if !tt.wantCover && result != "" { + t.Errorf("Did not expect cover but got: %s", result) + } + }) + } +}