Check that events are at least expected ones

Events are not guaranteed to be sent once, so allow for more than
one in the cancel_test.

Fixes #3374

Signed-off-by: Andrea Frittoli <[email protected]>

test/cancel_test.go

@@ -144,23 +144,41 @@ func TestTaskRunPipelineRunCancel(t *testing.T) {
 				trName = append(trName, taskrunItem.Name)
 			}
 
-			matchKinds := map[string][]string{"PipelineRun": {pipelineRunName}, "TaskRun": trName}
-			// Expected failure events: 1 for the pipelinerun cancel, 1 for each TaskRun
-			expectedNumberOfEvents := 1 + len(trName)
+			matchKinds := map[string][]string{"PipelineRun": {pipelineRunName}}
+			// Expected failure events: 1 for the pipelinerun cancel
+			expectedNumberOfEvents := 1
 			t.Logf("Making sure %d events were created from pipelinerun with kinds %v", expectedNumberOfEvents, matchKinds)
 			events, err := collectMatchingEvents(ctx, c.KubeClient, namespace, matchKinds, "Failed")
 			if err != nil {
 				t.Fatalf("Failed to collect matching events: %q", err)
 			}
-			if len(events) != expectedNumberOfEvents {
+			if len(events) < expectedNumberOfEvents {
 				collectedEvents := ""
 				for i, event := range events {
 					collectedEvents += fmt.Sprintf("%#v", event)
 					if i < (len(events) - 1) {
 						collectedEvents += ", "
 					}
 				}
-				t.Fatalf("Expected %d number of successful events from pipelinerun and taskrun but got %d; list of received events : %#v", expectedNumberOfEvents, len(events), collectedEvents)
+				t.Fatalf("Expected %d number of failed events from pipelinerun but got %d; list of received events : %#v", expectedNumberOfEvents, len(events), collectedEvents)
+			}
+			matchKinds = map[string][]string{"TaskRun": trName}
+			// Expected failure events: 1 for each TaskRun
+			expectedNumberOfEvents = len(trName)
+			t.Logf("Making sure %d events were created from taskruns with kinds %v", expectedNumberOfEvents, matchKinds)
+			events, err = collectMatchingEvents(ctx, c.KubeClient, namespace, matchKinds, "Failed")
+			if err != nil {
+				t.Fatalf("Failed to collect matching events: %q", err)
+			}
+			if len(events) < expectedNumberOfEvents {
+				collectedEvents := ""
+				for i, event := range events {
+					collectedEvents += fmt.Sprintf("%#v", event)
+					if i < (len(events) - 1) {
+						collectedEvents += ", "
+					}
+				}
+				t.Fatalf("Expected %d number of failed events from taskrun but got %d; list of received events : %#v", expectedNumberOfEvents, len(events), collectedEvents)
 			}
 		})
 	}