test(clusterconfig): add unit test for active_alerts.go and rename it to gather_active_alerts.go

pkg/gatherers/clusterconfig/gather_active_alerts_test.go

@@ -0,0 +1,101 @@
+package clusterconfig
+
+import (
+	"context"
+	"testing"
+
+	"github.com/openshift/insights-operator/pkg/record"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_gatherActiveAlerts(t *testing.T) {
+	responseData := `
+[
+  {
+    "annotations": {
+      "description": "This is just an sample alert description",
+      "summary": "An alert sample summary."
+    },
+    "endsAt": "2023-02-07T15:19:22.206Z",
+    "fingerprint": "6934731368443c07",
+    "receivers": [
+      {
+        "name": "Watchdog"
+      }
+    ],
+    "startsAt": "2023-02-07T13:16:22.206Z",
+    "status": {
+      "inhibitedBy": [],
+      "silencedBy": [],
+      "state": "active"
+    },
+    "updatedAt": "2023-02-07T15:15:22.207Z",
+    "generatorURL": "https://console-openshift-console.apps.cluster.test/monitoring/graph?g0.expr=vector%281%29&g0.tab=1",
+    "labels": {
+      "alertname": "Watchdog",
+      "namespace": "openshift-monitoring",
+      "openshift_io_alert_source": "platform",
+      "prometheus": "openshift-monitoring/k8s",
+      "severity": "none"
+    }
+  }
+]`
+
+	tests := []struct {
+		name             string
+		mockAlertsClient *mockAlertsClient
+		wantRecords      []record.Record
+		wantErrsCount    int
+	}{
+		{
+			name: "Get active alerts successfully",
+			mockAlertsClient: &mockAlertsClient{
+				data: []byte(responseData),
+			},
+			wantRecords: []record.Record{
+				{
+					Name: "config/alerts",
+					Item: record.JSONMarshaller{Object: []alert{
+						{
+							Labels: map[string]string{
+								"alertname":                 "Watchdog",
+								"namespace":                 "openshift-monitoring",
+								"openshift_io_alert_source": "platform",
+								"prometheus":                "openshift-monitoring/k8s",
+								"severity":                  "none",
+							},
+							Annotations: map[string]string{
+								"description": "This is just an sample alert description",
+								"summary":     "An alert sample summary.",
+							},
+							EndsAt:    "2023-02-07T15:19:22.206Z",
+							StartsAt:  "2023-02-07T13:16:22.206Z",
+							UpdatedAt: "2023-02-07T15:15:22.207Z",
+							Status: map[string]interface{}{
+								"inhibitedBy": []interface{}{},
+								"silencedBy":  []interface{}{},
+								"state":       "active",
+							},
+						},
+					}},
+				},
+			},
+			wantErrsCount: 0,
+		},
+		{
+			name:             "Get active alerts with error",
+			mockAlertsClient: &mockAlertsClient{data: nil},
+			wantRecords:      nil,
+			wantErrsCount:    1,
+		},
+	}
+
+	ctx := context.Background()
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			records, errs := gatherActiveAlerts(ctx, tt.mockAlertsClient.RestClient(t))
+			assert.Len(t, errs, tt.wantErrsCount)
+			assert.Equal(t, tt.wantRecords, records)
+		})
+	}
+}