diff options
Diffstat (limited to 'vendor/github.com/prometheus/client_golang/prometheus/gauge_test.go')
| -rw-r--r-- | vendor/github.com/prometheus/client_golang/prometheus/gauge_test.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/vendor/github.com/prometheus/client_golang/prometheus/gauge_test.go b/vendor/github.com/prometheus/client_golang/prometheus/gauge_test.go index 48cab4636..8e5f002c9 100644 --- a/vendor/github.com/prometheus/client_golang/prometheus/gauge_test.go +++ b/vendor/github.com/prometheus/client_golang/prometheus/gauge_test.go @@ -19,6 +19,7 @@ import ( "sync" "testing" "testing/quick" + "time" dto "github.com/prometheus/client_model/go" ) @@ -180,3 +181,22 @@ func TestGaugeFunc(t *testing.T) { t.Errorf("expected %q, got %q", expected, got) } } + +func TestGaugeSetCurrentTime(t *testing.T) { + g := NewGauge(GaugeOpts{ + Name: "test_name", + Help: "test help", + }) + g.SetToCurrentTime() + unixTime := float64(time.Now().Unix()) + + m := &dto.Metric{} + g.Write(m) + + delta := unixTime - m.GetGauge().GetValue() + // This is just a smoke test to make sure SetToCurrentTime is not + // totally off. Tests with current time involved are hard... + if math.Abs(delta) > 5 { + t.Errorf("Gauge set to current time deviates from current time by more than 5s, delta is %f seconds", delta) + } +} |