feat(admin): initialize procurement service skeleton

admin/internal/server/router.go

@@ -0,0 +1,19 @@
+// Package server 定义采购服务当前拥有的 HTTP 端点。
+package server
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+)
+
+// NewRouter 返回当前服务范围内的完整 HTTP 路由。
+func NewRouter() *gin.Engine {
+	router := gin.New()
+
+	router.GET("/healthz", func(context *gin.Context) {
+		context.JSON(http.StatusOK, gin.H{"status": "ok"})
+	})
+
+	return router
+}

admin/internal/server/router_test.go

@@ -0,0 +1,28 @@
+package server_test
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"cmbuyer/admin/internal/server"
+)
+
+func TestHealthz(t *testing.T) {
+	request := httptest.NewRequest(http.MethodGet, "/healthz", nil)
+	response := httptest.NewRecorder()
+
+	server.NewRouter().ServeHTTP(response, request)
+
+	if response.Code != http.StatusOK {
+		t.Fatalf("healthz status = %d, want %d", response.Code, http.StatusOK)
+	}
+
+	if contentType := response.Header().Get("Content-Type"); contentType != "application/json; charset=utf-8" {
+		t.Fatalf("healthz content type = %q, want application/json; charset=utf-8", contentType)
+	}
+
+	if body := response.Body.String(); body != "{\"status\":\"ok\"}" {
+		t.Fatalf("healthz body = %q, want {\"status\":\"ok\"}", body)
+	}
+}

admin/internal/storage/sqlite/sqlite.go

@@ -0,0 +1,13 @@
+// Package sqlite 提供采购服务的 SQLite 驱动注册。
+package sqlite
+
+import (
+	"database/sql"
+
+	_ "github.com/mattn/go-sqlite3"
+)
+
+// Open 打开 SQLite 数据源；调用方负责其 schema 与生命周期。
+func Open(dataSourceName string) (*sql.DB, error) {
+	return sql.Open("sqlite3", dataSourceName)
+}

admin/internal/storage/sqlite/sqlite_test.go

@@ -0,0 +1,24 @@
+package sqlite_test
+
+import (
+	"context"
+	"testing"
+
+	"cmbuyer/admin/internal/storage/sqlite"
+)
+
+func TestOpen(t *testing.T) {
+	database, err := sqlite.Open(":memory:")
+	if err != nil {
+		t.Fatalf("open SQLite database: %v", err)
+	}
+	t.Cleanup(func() {
+		if err := database.Close(); err != nil {
+			t.Errorf("close SQLite database: %v", err)
+		}
+	})
+
+	if err := database.PingContext(context.Background()); err != nil {
+		t.Fatalf("ping SQLite database: %v", err)
+	}
+}