Copyright 2021 Red Hat, Inc
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.
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package push
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Documentation in literate-programming-style is available at:
https://redhatinsights.github.io/insights-operator-utils/packages/metrics/push/pushutilstest.html
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import (
"testing"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/push"
"github.com/stretchr/testify/assert"
)
var testGatewayAuthToken = "auth token"
type mockPusher struct {
callsClient int
callsCollector int
}
func ( p * mockPusher ) Push ( ) error {
return nil
}
func ( p * mockPusher ) Client ( c push . HTTPDoer ) * push . Pusher {
p . callsClient ++
return push . New ( "" , "" )
}
func ( p * mockPusher ) Collector ( c prometheus . Collector ) * push . Pusher {
p . callsCollector ++
return push . New ( "" , "" )
}
var testInitFunctions = [ ] func ( ) ( prometheus . Collector , error ) {
func ( ) ( prometheus . Collector , error ) {
metric2 , err := NewCounterWithError ( prometheus . CounterOpts {
Name : "a_metric" ,
Help : "a metric" ,
} )
return metric2 , err
} ,
}
func TestPushCollectors ( t * testing . T ) {
err := InitMetrics ( testInitFunctions )
assert . NoError ( t , err )
pusher := mockPusher { }
err = pushCollectors ( & pusher , testGatewayAuthToken , collectors )
assert . NoError ( t , err )
assert . Equal ( t , 1 , pusher . callsClient )
assert . Equal ( t , len ( collectors ) , pusher . callsCollector )
err = UnregisterMetrics ( )
assert . NoError ( t , err )
}
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