mirror of
https://github.com/prometheus/prometheus.git
synced 2024-11-14 17:44:06 -08:00
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
// Copyright 2014 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 metric
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/prometheus/common/model"
|
|
)
|
|
|
|
func TestMetric(t *testing.T) {
|
|
testMetric := model.Metric{
|
|
"to_delete": "test1",
|
|
"to_change": "test2",
|
|
}
|
|
|
|
scenarios := []struct {
|
|
fn func(*Metric)
|
|
out model.Metric
|
|
}{
|
|
{
|
|
fn: func(cm *Metric) {
|
|
cm.Del("to_delete")
|
|
},
|
|
out: model.Metric{
|
|
"to_change": "test2",
|
|
},
|
|
},
|
|
{
|
|
fn: func(cm *Metric) {
|
|
cm.Set("to_change", "changed")
|
|
},
|
|
out: model.Metric{
|
|
"to_delete": "test1",
|
|
"to_change": "changed",
|
|
},
|
|
},
|
|
}
|
|
|
|
for i, s := range scenarios {
|
|
orig := testMetric.Clone()
|
|
cm := &Metric{
|
|
Metric: orig,
|
|
Copied: false,
|
|
}
|
|
|
|
s.fn(cm)
|
|
|
|
// Test that the original metric was not modified.
|
|
if !orig.Equal(testMetric) {
|
|
t.Fatalf("%d. original metric changed; expected %v, got %v", i, testMetric, orig)
|
|
}
|
|
|
|
// Test that the new metric has the right changes.
|
|
if !cm.Metric.Equal(s.out) {
|
|
t.Fatalf("%d. copied metric doesn't contain expected changes; expected %v, got %v", i, s.out, cm.Metric)
|
|
}
|
|
}
|
|
}
|