补强订阅列表已付无回执快捷筛选口径护栏测试

tests/Feature/AdminSiteSubscriptionIndexPaidNoReceiptQuickFilterShouldUseSubscriptionIndexSelfBackTest.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Arr;
+use Tests\TestCase;
+
+class AdminSiteSubscriptionIndexPaidNoReceiptQuickFilterShouldUseSubscriptionIndexSelfBackTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_paid_no_receipt_quick_filter_should_keep_safe_back_context_like_other_quick_filters(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $res = $this->get('/admin/site-subscriptions?' . Arr::query([
+            'merchant_id' => 2,
+            'plan_id' => 3,
+            'keyword' => 'alpha',
+            'back' => '/admin/platform-orders?payment_status=paid',
+        ]));
+        $res->assertOk();
+
+        $html = (string) $res->getContent();
+        $matched = preg_match('/<a[^>]+href="([^"]+)"[^>]*>\s*已付无回执\s*<\/a>/u', $html, $m);
+        $this->assertSame(1, $matched, '未找到订阅列表页“已付无回执”快捷筛选');
+
+        $href = html_entity_decode($m[1] ?? '');
+        $parts = parse_url($href);
+        parse_str($parts['query'] ?? '', $q);
+
+        $this->assertSame('2', (string) ($q['merchant_id'] ?? ''));
+        $this->assertSame('3', (string) ($q['plan_id'] ?? ''));
+        $this->assertSame('alpha', (string) ($q['keyword'] ?? ''));
+        $this->assertSame('paid', (string) ($q['payment_status'] ?? ''));
+        $this->assertSame('none', (string) ($q['receipt_status'] ?? ''));
+        $this->assertSame('/admin/platform-orders?payment_status=paid', (string) ($q['back'] ?? ''));
+    }
+}