harness-drone/metric/builds_test.go

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// Copyright 2019 Drone.IO Inc. All rights reserved.
// Use of this source code is governed by the Drone Non-Commercial License
// that can be found in the LICENSE file.
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// +build !oss
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package metric
import (
"testing"
"github.com/drone/drone/core"
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"github.com/drone/drone/mock"
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"github.com/golang/mock/gomock"
"github.com/prometheus/client_golang/prometheus"
)
func TestBuildCount(t *testing.T) {
controller := gomock.NewController(t)
// restore the default prometheus registerer
// when the unit test is complete.
snapshot := prometheus.DefaultRegisterer
defer func() {
prometheus.DefaultRegisterer = snapshot
controller.Finish()
}()
// creates a blank registry
registry := prometheus.NewRegistry()
prometheus.DefaultRegisterer = registry
// x2 repository count
count := int64(5)
builds := mock.NewMockBuildStore(controller)
builds.EXPECT().Count(gomock.Any()).Return(count, nil)
BuildCount(builds)
metrics, err := registry.Gather()
if err != nil {
t.Error(err)
return
}
if want, got := len(metrics), 1; want != got {
t.Errorf("Expect registered metric")
return
}
metric := metrics[0]
if want, got := metric.GetName(), "drone_build_count"; want != got {
t.Errorf("Expect metric name %s, got %s", want, got)
}
if want, got := metric.Metric[0].Gauge.GetValue(), float64(count); want != got {
t.Errorf("Expect metric value %f, got %f", want, got)
}
}
func TestBuildPendingCount(t *testing.T) {
controller := gomock.NewController(t)
// restore the default prometheus registerer
// when the unit test is complete.
snapshot := prometheus.DefaultRegisterer
defer func() {
prometheus.DefaultRegisterer = snapshot
controller.Finish()
}()
// creates a blank registry
registry := prometheus.NewRegistry()
prometheus.DefaultRegisterer = registry
// x2 repository count
data := []*core.Build{{}, {}, {}, {}, {}}
builds := mock.NewMockBuildStore(controller)
builds.EXPECT().Pending(gomock.Any()).Return(data, nil)
PendingBuildCount(builds)
metrics, err := registry.Gather()
if err != nil {
t.Error(err)
return
}
if want, got := len(metrics), 1; want != got {
t.Errorf("Expect registered metric")
return
}
metric := metrics[0]
if want, got := metric.GetName(), "drone_pending_builds"; want != got {
t.Errorf("Expect metric name %s, got %s", want, got)
}
if want, got := metric.Metric[0].Gauge.GetValue(), float64(len(data)); want != got {
t.Errorf("Expect metric value %f, got %f", want, got)
}
}
func TestBuildRunningCount(t *testing.T) {
controller := gomock.NewController(t)
// restore the default prometheus registerer
// when the unit test is complete.
snapshot := prometheus.DefaultRegisterer
defer func() {
prometheus.DefaultRegisterer = snapshot
controller.Finish()
}()
// creates a blank registry
registry := prometheus.NewRegistry()
prometheus.DefaultRegisterer = registry
// x2 repository count
data := []*core.Build{{}, {}, {}, {}, {}}
builds := mock.NewMockBuildStore(controller)
builds.EXPECT().Running(gomock.Any()).Return(data, nil)
RunningBuildCount(builds)
metrics, err := registry.Gather()
if err != nil {
t.Error(err)
return
}
if want, got := len(metrics), 1; want != got {
t.Errorf("Expect registered metric")
return
}
metric := metrics[0]
if want, got := metric.GetName(), "drone_running_builds"; want != got {
t.Errorf("Expect metric name %s, got %s", want, got)
}
if want, got := metric.Metric[0].Gauge.GetValue(), float64(len(data)); want != got {
t.Errorf("Expect metric value %f, got %f", want, got)
}
}