feat: rebuild CSP practice workflow, UX and automation

backend/tests/contest_service_test.cc

@@ -0,0 +1,75 @@
+#include <catch2/catch_test_macros.hpp>
+
+#include "csp/db/sqlite_db.h"
+#include "csp/services/auth_service.h"
+#include "csp/services/contest_service.h"
+#include "csp/services/submission_service.h"
+
+namespace {
+
+const char* kAcCode = R"CPP(#include <bits/stdc++.h>
+using namespace std;
+int main() {
+  long long a, b;
+  if (!(cin >> a >> b)) return 0;
+  cout << (a + b) << "\n";
+  return 0;
+}
+)CPP";
+
+const char* kWaCode = R"CPP(#include <bits/stdc++.h>
+using namespace std;
+int main() {
+  cout << 0 << "\n";
+  return 0;
+}
+)CPP";
+
+}  // namespace
+
+TEST_CASE("contest service leaderboard") {
+  auto db = csp::db::SqliteDb::OpenMemory();
+  csp::db::ApplyMigrations(db);
+  csp::db::SeedDemoData(db);
+
+  csp::services::AuthService auth(db);
+  const auto u1 = auth.Register("contest_user_1", "password123");
+  const auto u2 = auth.Register("contest_user_2", "password123");
+
+  csp::services::ContestService contest(db);
+  const auto contests = contest.ListContests();
+  REQUIRE_FALSE(contests.empty());
+
+  const int64_t contest_id = contests.front().id;
+  contest.Register(contest_id, u1.user_id);
+  contest.Register(contest_id, u2.user_id);
+
+  const auto problems = contest.ListContestProblems(contest_id);
+  REQUIRE_FALSE(problems.empty());
+  const int64_t problem_id = problems.front().id;
+
+  csp::services::SubmissionService submissions(db);
+
+  csp::services::SubmissionCreateRequest r1;
+  r1.user_id = u1.user_id;
+  r1.problem_id = problem_id;
+  r1.contest_id = contest_id;
+  r1.language = "cpp";
+  r1.code = kAcCode;
+  const auto s1 = submissions.CreateAndJudge(r1);
+  REQUIRE(s1.status == csp::domain::SubmissionStatus::AC);
+
+  csp::services::SubmissionCreateRequest r2;
+  r2.user_id = u2.user_id;
+  r2.problem_id = problem_id;
+  r2.contest_id = contest_id;
+  r2.language = "cpp";
+  r2.code = kWaCode;
+  const auto s2 = submissions.CreateAndJudge(r2);
+  REQUIRE(s2.status == csp::domain::SubmissionStatus::WA);
+
+  const auto board = contest.Leaderboard(contest_id);
+  REQUIRE(board.size() >= 2);
+  REQUIRE(board.front().user_id == u1.user_id);
+  REQUIRE(board.front().solved >= 1);
+}