64 lines
2.0 KiB
Go
64 lines
2.0 KiB
Go
// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package tsdb_test
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import (
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"testing"
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dto "github.com/prometheus/client_model/go"
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"github.com/prometheus/common/model"
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"github.com/prometheus/prometheus/pkg/labels"
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"github.com/prometheus/prometheus/storage/tsdb"
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"github.com/prometheus/prometheus/util/testutil"
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)
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func TestMetrics(t *testing.T) {
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db := testutil.NewStorage(t)
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defer db.Close()
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metrics := &dto.Metric{}
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startTime := *tsdb.StartTime
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headMinTime := *tsdb.HeadMinTime
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headMaxTime := *tsdb.HeadMaxTime
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// Check initial values.
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testutil.Ok(t, startTime.Write(metrics))
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testutil.Equals(t, float64(model.Latest)/1000, metrics.Gauge.GetValue())
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testutil.Ok(t, headMinTime.Write(metrics))
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testutil.Equals(t, float64(model.Latest)/1000, metrics.Gauge.GetValue())
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testutil.Ok(t, headMaxTime.Write(metrics))
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testutil.Equals(t, float64(model.Earliest)/1000, metrics.Gauge.GetValue())
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app, err := db.Appender()
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testutil.Ok(t, err)
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app.Add(labels.FromStrings(model.MetricNameLabel, "a"), 1, 1)
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app.Add(labels.FromStrings(model.MetricNameLabel, "a"), 2, 1)
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app.Add(labels.FromStrings(model.MetricNameLabel, "a"), 3, 1)
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testutil.Ok(t, app.Commit())
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// Check after adding some samples.
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testutil.Ok(t, startTime.Write(metrics))
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testutil.Equals(t, 0.001, metrics.Gauge.GetValue())
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testutil.Ok(t, headMinTime.Write(metrics))
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testutil.Equals(t, 0.001, metrics.Gauge.GetValue())
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testutil.Ok(t, headMaxTime.Write(metrics))
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testutil.Equals(t, 0.003, metrics.Gauge.GetValue())
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}
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