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// Copyright 2018 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package prometheus
import (
"testing"
)
func TestNewDescInvalidLabelValues(t *testing.T) {
desc := NewDesc(
"sample_label",
"sample label",
nil,
Labels{"a": "\xFF"},
)
if desc.err == nil {
t.Errorf("NewDesc: expected error because: %s", desc.err)
}
}
func TestNewDescNilLabelValues(t *testing.T) {
desc := NewDesc(
"sample_label",
"sample label",
nil,
nil,
)
if desc.err != nil {
t.Errorf("NewDesc: unexpected error: %s", desc.err)
}
}
func TestNewDescWithNilLabelValues_String(t *testing.T) {
desc := NewDesc(
"sample_label",
"sample label",
nil,
nil,
)
if desc.String() != `Desc{fqName: "sample_label", help: "sample label", constLabels: {}, variableLabels: {}}` {
t.Errorf("String: unexpected output: %s", desc.String())
}
}
func TestNewInvalidDesc_String(t *testing.T) {
desc := NewInvalidDesc(
nil,
)
if desc.String() != `Desc{fqName: "", help: "", constLabels: {}, variableLabels: {}}` {
t.Errorf("String: unexpected output: %s", desc.String())
}
}
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