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