Testing cassandra (#344)

fixing bug from customer ticket https://instana.zendesk.com/agent/tickets/23556

* update version

Author: pdimitra

instana/instrumentation/cassandra_inst.py

@@ -47,7 +47,7 @@ def cb_request_finish(results, span, fn):
 
     def cb_request_error(results, span, fn):
         collect_response(span, fn)
-        span.mark_as_errored({"cassandra.error": results.message})
+        span.mark_as_errored({"cassandra.error": results.summary})
         span.finish()
 
 

instana/version.py

@@ -3,4 +3,4 @@
 
 # Module version file.  Used by setup.py and snapshot reporting.
 
-VERSION = '1.36.1'
+VERSION = '1.36.2'

tests/clients/test_cassandra-driver.py

@@ -19,7 +19,8 @@
 cluster = Cluster([testenv['cassandra_host']], load_balancing_policy=None)
 session = cluster.connect()
 
-session.execute("CREATE KEYSPACE IF NOT EXISTS instana_tests WITH replication = {'class':'SimpleStrategy', 'replication_factor':1};")
+session.execute(
+    "CREATE KEYSPACE IF NOT EXISTS instana_tests WITH replication = {'class':'SimpleStrategy', 'replication_factor':1};")
 session.set_keyspace('instana_tests')
 session.execute("CREATE TABLE IF NOT EXISTS users("
                 "id int PRIMARY KEY,"
@@ -203,7 +204,7 @@ def test_execute_error(self):
         self.assertEqual(cspan.data["cassandra"]["keyspace"], 'instana_tests')
         self.assertIsNone(cspan.data["cassandra"]["achievedConsistency"])
         self.assertIsNotNone(cspan.data["cassandra"]["triedHosts"])
-        self.assertIsNotNone(cspan.data["cassandra"]["error"])
+        self.assertEqual(cspan.data["cassandra"]["error"], "Syntax error in CQL query")
 
     def test_prepared_statement(self):
         prepared = None

tests/requirements-cassandra.txt

@@ -1,4 +1,4 @@
-cassandra-driver==3.20.2
+cassandra-driver>=3.20.2
 mock>=2.0.0
 nose>=1.0
 pytest>=4.6