Merge branch 'f-fix-async-timeout' into 'dev'

fix async timeout

See merge request !29

CHANGELOG.md

@@ -19,4 +19,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+* Fixed failing async test.
+
 ### Security

test/test_async.cpp

@@ -53,13 +53,19 @@ TEST(test_async, retrieve_non_existing) {
   auto status = transaction->GetStatus();
   EXPECT_EQ(status.GetCode(), StatusCode::EXECUTING);
 
-  // wait some time
-  std::this_thread::sleep_for(1000ms);
+  // 1000ms are not always sufficient, when there is very high pipeline load.
+  auto count = 1000;
+  auto code = transaction->GetStatus().GetCode();
+  do {
+    // wait some time
+    std::this_thread::sleep_for(10ms);
 
-  // DONT call WaitForIt -> the transaction finishes in the back-ground
-  status = transaction->GetStatus();
-  EXPECT_EQ(status.GetCode(), TransactionStatus::TRANSACTION_ERROR().GetCode());
-  ASSERT_EQ(status.GetCode(), StatusCode::GENERIC_TRANSACTION_ERROR);
+    // DONT call WaitForIt -> the transaction finishes in the background
+    code = transaction->GetStatus().GetCode();
+  } while (--count > 0 && code == StatusCode::EXECUTING);
+  ASSERT_GT(count, 0) << "ERROR: Timeout while waiting for transaction.";
+  EXPECT_EQ(code, TransactionStatus::TRANSACTION_ERROR().GetCode());
+  ASSERT_EQ(code, StatusCode::GENERIC_TRANSACTION_ERROR);
 
   const auto &result_set = transaction->GetResultSet();