fix: stackit beta quota command - add nil pointer checks and tests for the outputResult functions

internal/cmd/beta/quota/list/list.go

@@ -52,6 +52,8 @@ func NewCmd(p *print.Printer) *cobra.Command {
 			if err != nil {
 				p.Debug(print.ErrorLevel, "get project name: %v", err)
 				projectLabel = model.ProjectId
+			} else if projectLabel == "" {
+				projectLabel = model.ProjectId
 			}
 
 			// Call API
@@ -106,6 +108,9 @@ func buildRequest(ctx context.Context, model *inputModel, apiClient *iaas.APICli
 }
 
 func outputResult(p *print.Printer, outputFormat string, quotas *iaas.QuotaList) error {
+	if quotas == nil {
+		return fmt.Errorf("quotas is nil")
+	}
 	switch outputFormat {
 	case print.JSONOutputFormat:
 		details, err := json.MarshalIndent(quotas, "", "  ")

internal/cmd/beta/quota/list/list_test.go

@@ -162,3 +162,37 @@ func TestBuildRequest(t *testing.T) {
 		})
 	}
 }
+
+func Test_outputResult(t *testing.T) {
+	type args struct {
+		outputFormat string
+		quotas       *iaas.QuotaList
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{
+			name:    "empty",
+			args:    args{},
+			wantErr: true,
+		},
+		{
+			name: "set quota empty",
+			args: args{
+				quotas: &iaas.QuotaList{},
+			},
+			wantErr: false,
+		},
+	}
+	p := print.NewPrinter()
+	p.Cmd = NewCmd(p)
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := outputResult(p, tt.args.outputFormat, tt.args.quotas); (err != nil) != tt.wantErr {
+				t.Errorf("outputResult() error = %v, wantErr %v", err, tt.wantErr)
+			}
+		})
+	}
+}