feat: add image optimization task model

internal/services/image_optimization_service_test.go

@@ -0,0 +1,80 @@
+package services
+
+import (
+	"errors"
+	"path/filepath"
+	"strings"
+	"testing"
+
+	"cmbone/internal/models"
+)
+
+func TestMigrateCreatesImageTaskTables(t *testing.T) {
+	store := newTestStore(t)
+
+	for _, table := range []string{"image_tasks", "image_task_results"} {
+		var name string
+		if err := store.DB.QueryRow("SELECT name FROM sqlite_master WHERE type = 'table' AND name = ?", table).Scan(&name); err != nil {
+			t.Fatalf("query table %s: %v", table, err)
+		}
+		if name != table {
+			t.Fatalf("table = %q, want %q", name, table)
+		}
+	}
+}
+
+func TestImageOptimizationServiceCreateTask(t *testing.T) {
+	store := newTestStore(t)
+	service := NewImageOptimizationService(store)
+	sourcePath := filepath.Join(t.TempDir(), "sku-main.jpg")
+
+	detail, err := service.CreateTask(models.ImageTaskInput{
+		SourcePath: sourcePath,
+		Operation:  "enhance",
+	})
+	if err != nil {
+		t.Fatalf("create task: %v", err)
+	}
+
+	if detail.Task.ID == 0 {
+		t.Fatal("task id is empty")
+	}
+	if detail.Task.Status != imageTaskStatusSucceeded {
+		t.Fatalf("status = %q, want %q", detail.Task.Status, imageTaskStatusSucceeded)
+	}
+	if detail.Task.Operation != "enhance" {
+		t.Fatalf("operation = %q, want enhance", detail.Task.Operation)
+	}
+	if detail.Result.TaskID != detail.Task.ID {
+		t.Fatalf("result task id = %d, want %d", detail.Result.TaskID, detail.Task.ID)
+	}
+	if !strings.Contains(detail.Result.OutputPath, "sku-main_enhance_optimized.jpg") {
+		t.Fatalf("output path = %q, want simulated optimized path", detail.Result.OutputPath)
+	}
+
+	got, err := service.GetTask(detail.Task.ID)
+	if err != nil {
+		t.Fatalf("get task: %v", err)
+	}
+	if got.Task.ID != detail.Task.ID {
+		t.Fatalf("got task id = %d, want %d", got.Task.ID, detail.Task.ID)
+	}
+
+	tasks, err := service.ListTasks(models.ImageTaskFilter{Status: imageTaskStatusSucceeded})
+	if err != nil {
+		t.Fatalf("list tasks: %v", err)
+	}
+	if len(tasks) != 1 {
+		t.Fatalf("tasks len = %d, want 1", len(tasks))
+	}
+}
+
+func TestImageOptimizationServiceCreateTaskRequiresSourcePath(t *testing.T) {
+	store := newTestStore(t)
+	service := NewImageOptimizationService(store)
+
+	_, err := service.CreateTask(models.ImageTaskInput{})
+	if !errors.Is(err, errImageTaskSourcePathRequired) {
+		t.Fatalf("create task error = %v, want source path required", err)
+	}
+}