[GitHub] [nifi-minifi-cpp] adamdebreceni commented on a diff in pull request #1461: MINIFICPP-1983 Mount files in MiNiFi test containers and additional refactoring

[GitBox <gi...@apache.org>]

adamdebreceni commented on code in PR #1461:
URL: https://github.com/apache/nifi-minifi-cpp/pull/1461#discussion_r1073705141


##########
docker/test/integration/cluster/checkers/PostgresChecker.py:
##########
@@ -0,0 +1,18 @@
+import time
+
+
+class PostgresChecker:
+    def __init__(self, container_communicator):
+        self.container_communicator = container_communicator
+
+    def __query_postgres_server(self, postgresql_container_name, query, number_of_rows):
+        (code, output) = self.container_communicator.execute_command(postgresql_container_name, ["psql", "-U", "postgres", "-c", query])
+        return code == 0 and str(number_of_rows) + " rows" in output
+
+    def check_query_results(self, postgresql_container_name, query, number_of_rows, timeout_seconds):
+        start_time = time.perf_counter()
+        while (time.perf_counter() - start_time) < timeout_seconds:
+            if self.__query_postgres_server(postgresql_container_name, query, number_of_rows):
+                return True
+            time.sleep(2)
+        return False

Review Comment:
   could we use the `retry_check` wrapper for this method?



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