补齐套餐详情页顶部动作回链测试

tests/Feature/AdminPlanShowTest.php

@@ -240,4 +240,41 @@ class AdminPlanShowTest extends TestCase
         $res->assertSee($expectedPaidNoReceiptUrl, false);
         $res->assertDontSee('back=' . $safeBack, false);
     }
+
+    public function test_plan_show_header_actions_should_use_plan_show_self_back_even_when_safe_back_is_present(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $plan = Plan::query()->create([
+            'code' => 'plan_show_header_cta_back_test',
+            'name' => '套餐详情顶部动作回链测试套餐',
+            'billing_cycle' => 'monthly',
+            'price' => 66,
+            'list_price' => 88,
+            'status' => 'active',
+            'sort' => 10,
+        ]);
+
+        $safeBack = '/admin/plans?' . Arr::query([
+            'status' => 'active',
+            'billing_cycle' => 'monthly',
+        ]);
+
+        $res = $this->get('/admin/plans/' . $plan->id . '?back=' . urlencode($safeBack));
+        $res->assertOk();
+
+        $planShowSelf = '/admin/plans/' . $plan->id;
+        $expectedEditUrl = '/admin/plans/' . $plan->id . '/edit?' . Arr::query([
+            'back' => $planShowSelf,
+        ]);
+        $expectedCreateOrderUrl = '/admin/platform-orders/create?' . Arr::query([
+            'plan_id' => $plan->id,
+            'order_type' => 'new_purchase',
+            'back' => $planShowSelf,
+        ]);
+
+        $res->assertSee($expectedEditUrl, false);
+        $res->assertSee($expectedCreateOrderUrl, false);
+        $res->assertDontSee('back=' . $safeBack, false);
+    }
 }