add unittest to test that the problems page does not show page, state…

…ment, sample data before contest start.

webapp/tests/Unit/Controller/Team/ProblemControllerTest.php

@@ -2,6 +2,9 @@
 
 namespace App\Tests\Unit\Controller\Team;
 
+use App\DataFixtures\Test\DemoAboutToStartContestFixture;
+use App\Entity\Contest;
+use App\Entity\ContestProblem;
 use App\Entity\Problem;
 use App\Entity\Testcase;
 use App\Tests\Unit\BaseTestCase;
@@ -183,4 +186,43 @@ public function testInteractiveSamples(): void
         $response = $this->client->getResponse();
         self::assertEquals(404, $response->getStatusCode());
     }
+
+    /**
+     * Test that the problems page does not show page, statement, sample data before contest start.
+     */
+    public function testAccessProblemBeforeContestStarts(): void
+    {
+        $this->loadFixtures([DemoAboutToStartContestFixture::class]);
+
+        /** @var EntityManagerInterface $em */
+        $em = self::getContainer()->get(EntityManagerInterface::class);
+        $problemCount = $em->createQueryBuilder()
+            ->select('COUNT(cp.problem)')
+            ->from(ContestProblem::class, 'cp')
+            ->join('cp.contest', 'c')
+            ->where('c.shortname = :shortname')
+            ->setParameter('shortname', 'demo')
+            ->getQuery()
+            ->getSingleScalarResult();
+
+        $this->withChangedConfiguration('public_access_before_contest', true, function () use ($problemCount) {
+            $this->client->request('GET', '/public/problems');
+            static::assertSelectorTextContains('.nav-item .nav-link.disabled', 'Problems');
+            static::assertSelectorTextContains('.alert.alert-secondary', 'No problem texts available at this point.');
+
+            for ($i = 1; $i <= $problemCount; $i++) {
+                $endpoints = [
+                    "/team/problems/{$i}",
+                    "/team/problems/{$i}/statement",
+                    "/team/problems/{$i}/samples.zip"
+                ];
+
+                foreach ($endpoints as $endpoint) {
+                    $this->client->request('GET', $endpoint);
+                    $statusCode = $this->client->getResponse()->getStatusCode();
+                    static::assertSame(404, $statusCode, "Expected status code 404, got {$statusCode} for {$endpoint}");
+                }
+            }
+        });
+    }
 }