support multi-module (#4)

* add multimodule
* re-package modules

server/internal/router/router_helper_test.go

@@ -0,0 +1,75 @@
+package router_test
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"galaxy/model/order"
+	"galaxy/model/rest"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+	"github.com/iliadenisov/galaxy/server/internal/router"
+	"github.com/iliadenisov/galaxy/server/internal/router/handler"
+)
+
+var (
+	commandNoErrorsStatus = http.StatusNoContent
+	commandDefaultActor   = "Gorlum"
+	apiCommandMethod      = "PUT"
+	apiCommandPath        = "/api/v1/command"
+	apiOrderPath          = "/api/v1/order"
+	validId1              = id()
+	validId2              = id()
+	invalidId             = "fd091c69-5976-4775-b2f9-7ba77735afb"
+)
+
+func id() string {
+	return uuid.New().String()
+}
+
+type dummyExecutor struct {
+	CommandsExecuted int
+}
+
+func (e *dummyExecutor) ValidateOrder(actor string, cmd ...order.DecodableCommand) error {
+	e.CommandsExecuted = len(cmd)
+	return nil
+}
+
+func (e *dummyExecutor) Execute(command ...handler.Command) error {
+	e.CommandsExecuted = len(command)
+	return nil
+}
+
+func (e *dummyExecutor) GenerateGame(races []string) (rest.StateResponse, error) {
+	return rest.StateResponse{}, nil
+}
+
+func (e *dummyExecutor) GenerateTurn() (rest.StateResponse, error) {
+	return rest.StateResponse{}, nil
+}
+
+func (e *dummyExecutor) GameState() (rest.StateResponse, error) {
+	return rest.StateResponse{}, nil
+}
+
+func setupRouter() *gin.Engine {
+	return setupRouterExecutor(newExecutor())
+}
+
+func setupRouterExecutor(e handler.CommandExecutor) *gin.Engine {
+	return router.SetupRouter(e)
+}
+
+func newExecutor() handler.CommandExecutor {
+	return &dummyExecutor{}
+}
+
+func encodeCommand(cmd any) json.RawMessage {
+	v, err := json.Marshal(cmd)
+	if err != nil {
+		panic(err)
+	}
+	return v
+}