Function TestCompositeBackend_EdgeCases

pkg/backends/composite_test.go:213–263

TestCompositeBackend_EdgeCases 测试边界情况

(t *testing.T)

// TestCompositeBackend_EdgeCases 测试边界情况
func TestCompositeBackend_EdgeCases(t *testing.T) {
	ctx := context.Background()

	defaultBackend := NewStateBackend()
	specialBackend := NewStateBackend()

	composite := NewCompositeBackend(defaultBackend, []RouteConfig{
		{Prefix: "/special/", Backend: specialBackend},
	})

	// 测试根路径 "/"
	t.Run("Root path", func(t *testing.T) {
		_, err := composite.Write(ctx, "/special/", "root content")
		if err != nil {
			t.Fatalf("Write to root failed: %v", err)
		}

		// 应该在 specialBackend 中作为 "/"
		content, err := specialBackend.Read(ctx, "/", 0, 0)
		if err != nil {
			t.Fatalf("Read root from specialBackend failed: %v", err)
		}

		if content != "root content" {
			t.Errorf("Expected 'root content', got '%s'", content)
		}
	})

	// 测试前缀不以 / 结尾的情况(虽然不推荐)
	t.Run("Path without leading slash after strip", func(t *testing.T) {
		backend2 := NewStateBackend()
		composite2 := NewCompositeBackend(defaultBackend, []RouteConfig{
			{Prefix: "/prefix", Backend: backend2}, // 注意没有尾部 /
		})

		_, err := composite2.Write(ctx, "/prefixfile.txt", "content")
		if err != nil {
			t.Fatalf("Write failed: %v", err)
		}

		// 应该在 backend2 中作为 "/file.txt"
		content, err := backend2.Read(ctx, "/file.txt", 0, 0)
		if err != nil {
			t.Fatalf("Read failed: %v", err)
		}

		if content != "content" {
			t.Errorf("Expected 'content', got '%s'", content)
		}
	})
}