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| 1 | +// Copyright 2015-2025 Bleemeo |
| 2 | +// |
| 3 | +// bleemeo.com an infrastructure monitoring solution in the Cloud |
| 4 | +// |
| 5 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | +// you may not use this file except in compliance with the License. |
| 7 | +// You may obtain a copy of the License at |
| 8 | +// |
| 9 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | +// |
| 11 | +// Unless required by applicable law or agreed to in writing, software |
| 12 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | +// See the License for the specific language governing permissions and |
| 15 | +// limitations under the License. |
| 16 | + |
| 17 | +package modify |
| 18 | + |
| 19 | +import ( |
| 20 | + "maps" |
| 21 | + "testing" |
| 22 | + "time" |
| 23 | + |
| 24 | + "github.com/bleemeo/glouton/inputs/internal" |
| 25 | + "github.com/bleemeo/glouton/types" |
| 26 | + "github.com/google/go-cmp/cmp" |
| 27 | + "github.com/influxdata/telegraf" |
| 28 | +) |
| 29 | + |
| 30 | +type fixedInput struct { |
| 31 | + measurementName string |
| 32 | + tags map[string]string |
| 33 | + fields map[string]interface{} |
| 34 | + now time.Time |
| 35 | +} |
| 36 | + |
| 37 | +func (i *fixedInput) Gather(acc telegraf.Accumulator) error { |
| 38 | + tagsCopy := maps.Clone(i.tags) |
| 39 | + fieldsCopy := maps.Clone(i.fields) |
| 40 | + acc.AddFields(i.measurementName, fieldsCopy, tagsCopy, i.now) |
| 41 | + |
| 42 | + return nil |
| 43 | +} |
| 44 | + |
| 45 | +func (*fixedInput) SampleConfig() string { |
| 46 | + return "" |
| 47 | +} |
| 48 | + |
| 49 | +func TestAddInstance(t *testing.T) { |
| 50 | + const ( |
| 51 | + containerName = "container_name" |
| 52 | + measurementName = "fixed_measure" |
| 53 | + ) |
| 54 | + |
| 55 | + fields := map[string]interface{}{"cpu": 4.2} |
| 56 | + now := time.Now() |
| 57 | + |
| 58 | + tests := []struct { |
| 59 | + name string |
| 60 | + instance string |
| 61 | + tags map[string]string |
| 62 | + want []internal.Measurement |
| 63 | + }{ |
| 64 | + { |
| 65 | + name: "instance-without-tags", |
| 66 | + instance: containerName, |
| 67 | + tags: map[string]string{}, |
| 68 | + want: []internal.Measurement{ |
| 69 | + { |
| 70 | + Name: measurementName, |
| 71 | + Fields: fields, |
| 72 | + Tags: map[string]string{types.LabelItem: containerName}, |
| 73 | + T: []time.Time{now}, |
| 74 | + }, |
| 75 | + }, |
| 76 | + }, |
| 77 | + { |
| 78 | + name: "instance-with-tags", |
| 79 | + instance: containerName, |
| 80 | + tags: map[string]string{ |
| 81 | + "key": "value", |
| 82 | + }, |
| 83 | + want: []internal.Measurement{ |
| 84 | + { |
| 85 | + Name: measurementName, |
| 86 | + Fields: fields, |
| 87 | + Tags: map[string]string{types.LabelItem: containerName, "key": "value"}, |
| 88 | + T: []time.Time{now}, |
| 89 | + }, |
| 90 | + }, |
| 91 | + }, |
| 92 | + { |
| 93 | + name: "instance-with-item", |
| 94 | + instance: containerName, |
| 95 | + tags: map[string]string{ |
| 96 | + types.LabelItem: "value", |
| 97 | + }, |
| 98 | + want: []internal.Measurement{ |
| 99 | + { |
| 100 | + Name: measurementName, |
| 101 | + Fields: fields, |
| 102 | + Tags: map[string]string{types.LabelItem: containerName + "_value"}, |
| 103 | + T: []time.Time{now}, |
| 104 | + }, |
| 105 | + }, |
| 106 | + }, |
| 107 | + } |
| 108 | + for _, tt := range tests { |
| 109 | + t.Run(tt.name, func(t *testing.T) { |
| 110 | + acc := &internal.StoreAccumulator{} |
| 111 | + |
| 112 | + input := AddInstance(&fixedInput{tags: tt.tags, measurementName: measurementName, fields: fields, now: now}, tt.instance) |
| 113 | + |
| 114 | + if err := input.Gather(acc); err != nil { |
| 115 | + t.Error(err) |
| 116 | + } |
| 117 | + |
| 118 | + if diff := cmp.Diff(tt.want, acc.Measurement); diff != "" { |
| 119 | + t.Errorf("measurement mismatch (-want +got)\n%s", diff) |
| 120 | + } |
| 121 | + }) |
| 122 | + } |
| 123 | +} |
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