Достижение: Добавлены скрипты и документация для релиза PDF Compressor.

- Добавлен release-body.md для подробных заметок о релизе на русском языке.
- Реализован release-gitea.ps1 для автоматизированного релиза Gitea с помощью PowerShell.
- Создан release-gitea.sh для автоматизированного релиза Gitea с помощью Bash.
- Добавлен release.sh для сборки и маркировки релизов с поддержкой нескольких платформ.
- Улучшен пользовательский интерфейс благодаря информативному логированию и обработке ошибок.
- Добавлена ​​поддержка переменных окружения и управления конфигурацией.
- Добавлена ​​функция создания архивов и загрузки ресурсов в Gitea.

internal/domain/entities/pdf_test.go

@@ -0,0 +1,112 @@
+package entities_test
+
+import (
+	"testing"
+
+	"compressor/internal/domain/entities"
+)
+
+func TestCompressionResult_CalculateCompressionRatio(t *testing.T) {
+	tests := []struct {
+		name               string
+		originalSize       int64
+		compressedSize     int64
+		expectedRatio      float64
+		expectedSavedSpace int64
+	}{
+		{
+			name:               "50% compression",
+			originalSize:       1000,
+			compressedSize:     500,
+			expectedRatio:      50.0,
+			expectedSavedSpace: 500,
+		},
+		{
+			name:               "25% compression",
+			originalSize:       1000,
+			compressedSize:     750,
+			expectedRatio:      25.0,
+			expectedSavedSpace: 250,
+		},
+		{
+			name:               "No compression",
+			originalSize:       1000,
+			compressedSize:     1000,
+			expectedRatio:      0.0,
+			expectedSavedSpace: 0,
+		},
+		{
+			name:               "File got bigger",
+			originalSize:       1000,
+			compressedSize:     1100,
+			expectedRatio:      -10.0,
+			expectedSavedSpace: -100,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := &entities.CompressionResult{
+				OriginalSize:   tt.originalSize,
+				CompressedSize: tt.compressedSize,
+			}
+
+			result.CalculateCompressionRatio()
+
+			if result.CompressionRatio != tt.expectedRatio {
+				t.Errorf("Expected compression ratio %f, got %f", tt.expectedRatio, result.CompressionRatio)
+			}
+
+			if result.SavedSpace != tt.expectedSavedSpace {
+				t.Errorf("Expected saved space %d, got %d", tt.expectedSavedSpace, result.SavedSpace)
+			}
+		})
+	}
+}
+
+func TestCompressionResult_IsEffective(t *testing.T) {
+	tests := []struct {
+		name              string
+		result            *entities.CompressionResult
+		expectedEffective bool
+	}{
+		{
+			name: "Effective compression",
+			result: &entities.CompressionResult{
+				OriginalSize:     1000,
+				CompressedSize:   500,
+				CompressionRatio: 50.0,
+				Success:          true,
+			},
+			expectedEffective: true,
+		},
+		{
+			name: "No compression but successful",
+			result: &entities.CompressionResult{
+				OriginalSize:     1000,
+				CompressedSize:   1000,
+				CompressionRatio: 0.0,
+				Success:          true,
+			},
+			expectedEffective: false,
+		},
+		{
+			name: "Good compression but failed",
+			result: &entities.CompressionResult{
+				OriginalSize:     1000,
+				CompressedSize:   500,
+				CompressionRatio: 50.0,
+				Success:          false,
+			},
+			expectedEffective: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.result.IsEffective(); got != tt.expectedEffective {
+				t.Errorf("IsEffective() = %v, want %v", got, tt.expectedEffective)
+			}
+		})
+	}
+}