pgLab/tests/integration/tst_DatabaseSizes.cpp
2026-10-18 12:32:16 +02:00

68 lines
1.8 KiB
C++

#include "DbTest.h"
#include "PgTestEnvironment.h"
#include "catalog/PgDatabaseSizes.h"
#include "Pgsql_Result.h"
using namespace pgtest;
namespace {
Oid oidOfDatabase(Pgsql::Connection &c, const QString &db)
{
Pgsql::Result r = c.query(QString("SELECT oid FROM pg_database WHERE datname = '%1'").arg(db));
if (!r || r.rows() != 1)
return InvalidOid;
return QString::fromUtf8(r.val(0, 0)).toUInt();
}
const PgDatabaseSize *findSize(const PgDatabaseSizes &sizes, Oid oid)
{
for (const auto &s : sizes) {
if (s.oid == oid)
return &s;
}
return nullptr;
}
} // namespace
class DatabaseSizes : public DbTest {};
TEST_F(DatabaseSizes, ConnectableDatabaseReturnsSize)
{
auto plain = plainConn();
Oid oid = oidOfDatabase(*plain, dbName());
ASSERT_NE(oid, InvalidOid);
PgDatabaseSizes sizes = loadDatabaseSizes(*plain);
const PgDatabaseSize *s = findSize(sizes, oid);
ASSERT_NE(s, nullptr);
EXPECT_GE(s->totalBytes, 0);
}
TEST_F(DatabaseSizes, RevokedConnectReturnsMinusOne)
{
Oid oid = oidOfDatabase(conn(), dbName());
ASSERT_NE(oid, InvalidOid);
conn().query(QString("REVOKE CONNECT ON DATABASE %1 FROM PUBLIC").arg(quoteIdent(dbName())));
auto plain = std::make_unique<Pgsql::Connection>();
plain->connect(urlForDbAsPlainRole("postgres"));
PgDatabaseSizes sizes = loadDatabaseSizes(*plain);
const PgDatabaseSize *s = findSize(sizes, oid);
ASSERT_NE(s, nullptr);
EXPECT_EQ(s->totalBytes, -1);
}
TEST_F(DatabaseSizes, SuperuserSeesAllDatabases)
{
PgDatabaseSizes sizes = loadDatabaseSizes(conn());
Pgsql::Result r = conn().query("SELECT count(*) FROM pg_database");
ASSERT_EQ(r.rows(), 1);
EXPECT_EQ(static_cast<size_t>(QString::fromUtf8(r.val(0, 0)).toULongLong()), sizes.size());
for (const auto &s : sizes)
EXPECT_GE(s.totalBytes, 0) << "database oid " << s.oid;
}