54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Drone Non-Commercial License
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// that can be found in the LICENSE file.
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package metric
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import (
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"testing"
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"github.com/drone/drone/mock"
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"github.com/golang/mock/gomock"
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"github.com/prometheus/client_golang/prometheus"
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)
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func TestUserCount(t *testing.T) {
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controller := gomock.NewController(t)
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// restore the default prometheus registerer
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// when the unit test is complete.
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snapshot := prometheus.DefaultRegisterer
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defer func() {
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prometheus.DefaultRegisterer = snapshot
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controller.Finish()
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}()
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// creates a blank registry
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registry := prometheus.NewRegistry()
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prometheus.DefaultRegisterer = registry
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// x2 repository count
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count := int64(5)
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store := mock.NewMockUserStore(controller)
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store.EXPECT().Count(gomock.Any()).Return(count, nil)
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UserCount(store)
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metrics, err := registry.Gather()
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if err != nil {
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t.Error(err)
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return
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}
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if want, got := len(metrics), 1; want != got {
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t.Errorf("Expect registered metric")
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return
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}
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metric := metrics[0]
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if want, got := metric.GetName(), "drone_user_count"; want != got {
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t.Errorf("Expect metric name %s, got %s", want, got)
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}
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if want, got := metric.Metric[0].Gauge.GetValue(), float64(count); want != got {
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t.Errorf("Expect metric value %f, got %f", want, got)
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}
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}
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