Added create namespace API (#808)

restapi/admin_namespaces_test.go

@@ -0,0 +1,63 @@
+// This file is part of MinIO Console Server
+// Copyright (c) 2021 MinIO, Inc.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+package restapi
+
+import (
+	"context"
+	"testing"
+
+	"k8s.io/client-go/kubernetes/fake"
+)
+
+func Test_CreateNamespace(t *testing.T) {
+	type args struct {
+		ctx       context.Context
+		namespace string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name: "Namespace created successfully",
+			args: args{
+				ctx:       context.Background(),
+				namespace: "ns-test",
+			},
+			wantErr: false,
+		},
+		{
+			// Description: If the namespace is blank, an error should be returned
+			name: "Namespace creation failed",
+			args: args{
+				ctx:       context.Background(),
+				namespace: "",
+			},
+			wantErr: true,
+		},
+	}
+	for _, tt := range tests {
+		kubeClient := fake.NewSimpleClientset()
+		t.Run(tt.name, func(t *testing.T) {
+			err := getNamespaceCreated(tt.args.ctx, kubeClient.CoreV1(), tt.args.namespace)
+			if (err != nil) != tt.wantErr {
+				t.Errorf("getNamespaceCreated() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}