test(clusterconfig): add tests for gather_cluster_authentication

pkg/gatherers/clusterconfig/gather_cluster_authentication_test.go

@@ -0,0 +1,63 @@
+package clusterconfig
+
+import (
+	"context"
+	"testing"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	configfake "github.com/openshift/client-go/config/clientset/versioned/fake"
+
+	v1 "github.com/openshift/api/config/v1"
+	"github.com/openshift/insights-operator/pkg/record"
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_gatherClusterAuthentication(t *testing.T) {
+	tests := []struct {
+		name           string
+		authentication *v1.Authentication
+		result         []record.Record
+		errCount       int
+	}{
+		{
+			name: "Retrieving authentication returns record of that authentication and no errors",
+			authentication: &v1.Authentication{
+				ObjectMeta: metav1.ObjectMeta{
+					Name: "cluster",
+				},
+			},
+			result: []record.Record{
+				{
+					Name: "config/authentication",
+					Item: record.ResourceMarshaller{
+						Resource: &v1.Authentication{
+							ObjectMeta: metav1.ObjectMeta{Name: "cluster"},
+						},
+					},
+				},
+			},
+			errCount: 0,
+		},
+		{
+			name:           "Retrieving no authentication returns no error/no records",
+			authentication: &v1.Authentication{},
+			result:         nil,
+		},
+	}
+	for _, testCase := range tests {
+		tc := testCase
+		t.Run(tc.name, func(t *testing.T) {
+			t.Parallel()
+			// Given
+			configClient := configfake.NewSimpleClientset(tc.authentication)
+
+			// When
+			got, gotErrs := gatherClusterAuthentication(context.Background(), configClient.ConfigV1())
+
+			// Assert
+			assert.Equal(t, tc.result, got)
+			assert.Len(t, gotErrs, tc.errCount)
+		})
+	}
+}