update controller image and some dependencies

ext/libpqxx-7.7.3/test/test32.cxx

@@ -0,0 +1,78 @@
+#include <pqxx/nontransaction>
+#include <pqxx/transaction>
+#include <pqxx/transactor>
+
+#include "test_helpers.hxx"
+
+using namespace pqxx;
+
+
+// Test program for libpqxx.  Verify abort behaviour of transactor.
+//
+// The program will attempt to add an entry to a table called "pqxxevents",
+// with a key column called "year"--and then abort the change.
+//
+// Note for the superstitious: the numbering for this test program is pure
+// coincidence.
+
+namespace
+{
+// Let's take a boring year that is not going to be in the "pqxxevents" table
+constexpr int BoringYear{1977};
+
+std::pair<int, int> count_events(connection &conn, std::string const &table)
+{
+  std::string const count_query{"SELECT count(*) FROM " + table};
+  work tx{conn};
+  return std::make_pair(
+    tx.query_value<int>(count_query),
+    tx.query_value<int>(count_query + " WHERE year=" + to_string(BoringYear)));
+}
+
+
+struct deliberate_error : std::exception
+{};
+
+
+void test_032()
+{
+  connection conn;
+  {
+    nontransaction tx{conn};
+    test::create_pqxxevents(tx);
+  }
+
+  std::string const Table{"pqxxevents"};
+
+  std::pair<int, int> const Before{
+    perform([&conn, &Table] { return count_events(conn, Table); })};
+  PQXX_CHECK_EQUAL(
+    Before.second, 0,
+    "Already have event for " + to_string(BoringYear) + ", cannot test.");
+
+  {
+    quiet_errorhandler d(conn);
+    PQXX_CHECK_THROWS(
+      perform([&conn, &Table] {
+        work{conn}.exec0(
+          "INSERT INTO " + Table + " VALUES (" + to_string(BoringYear) +
+          ", "
+          "'yawn')");
+        throw deliberate_error();
+      }),
+      deliberate_error,
+      "Did not get expected exception from failing transactor.");
+  }
+
+  std::pair<int, int> const After{
+    perform([&conn, &Table] { return count_events(conn, Table); })};
+
+  PQXX_CHECK_EQUAL(After.first, Before.first, "Event count changed.");
+  PQXX_CHECK_EQUAL(
+    After.second, Before.second,
+    "Event count for " + to_string(BoringYear) + " changed.");
+}
+
+
+PQXX_REGISTER_TEST(test_032);
+} // namespace