96 lines
2.7 KiB
Go
96 lines
2.7 KiB
Go
package models
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import (
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"path/filepath"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/tidwall/wal"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/metric"
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"github.com/influxdata/telegraf/testutil"
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)
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func TestDiskBufferRetainsTrackingInformation(t *testing.T) {
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m := metric.New("cpu", map[string]string{}, map[string]interface{}{"value": 42.0}, time.Unix(0, 0))
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var delivered int
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mm, _ := metric.WithTracking(m, func(telegraf.DeliveryInfo) { delivered++ })
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buf, err := NewBuffer("test", "123", "", 0, "disk", t.TempDir())
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require.NoError(t, err)
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buf.Stats().MetricsAdded.Set(0)
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buf.Stats().MetricsWritten.Set(0)
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buf.Stats().MetricsDropped.Set(0)
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defer buf.Close()
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buf.Add(mm)
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tx := buf.BeginTransaction(1)
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tx.AcceptAll()
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buf.EndTransaction(tx)
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require.Equal(t, 1, delivered)
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}
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func TestDiskBufferTrackingDroppedFromOldWal(t *testing.T) {
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m := metric.New("cpu", map[string]string{}, map[string]interface{}{"value": 42.0}, time.Unix(0, 0))
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tm, _ := metric.WithTracking(m, func(telegraf.DeliveryInfo) {})
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metrics := []telegraf.Metric{
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// Basic metric with 1 field, 0 timestamp
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metric.New("cpu", map[string]string{}, map[string]interface{}{"value": 42.0}, time.Unix(0, 0)),
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// Basic metric with 1 field, different timestamp
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metric.New("cpu", map[string]string{}, map[string]interface{}{"value": 20.0}, time.Now()),
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// Metric with a field
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metric.New("cpu", map[string]string{"x": "y"}, map[string]interface{}{"value": 18.0}, time.Now()),
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// Tracking metric
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tm,
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// Metric with lots of tag types
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metric.New(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"value_f64": 20.0,
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"value_uint64": uint64(10),
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"value_int16": int16(5),
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"value_string": "foo",
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"value_boolean": true,
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"value_byte_array": []byte{1, 2, 3, 4, 5},
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},
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time.Now(),
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),
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}
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// call manually so that we can properly use metric.ToBytes() without having initialized a buffer
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registerGob()
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// Prefill the WAL file
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path := t.TempDir()
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walfile, err := wal.Open(filepath.Join(path, "123"), nil)
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require.NoError(t, err)
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defer walfile.Close()
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for i, m := range metrics {
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data, err := metric.ToBytes(m)
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require.NoError(t, err)
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require.NoError(t, walfile.Write(uint64(i+1), data))
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}
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walfile.Close()
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// Create a buffer
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buf, err := NewBuffer("123", "123", "", 0, "disk", path)
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require.NoError(t, err)
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buf.Stats().MetricsAdded.Set(0)
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buf.Stats().MetricsWritten.Set(0)
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buf.Stats().MetricsDropped.Set(0)
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defer buf.Close()
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tx := buf.BeginTransaction(4)
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// Check that the tracking metric is skipped
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expected := []telegraf.Metric{
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metrics[0], metrics[1], metrics[2], metrics[4],
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}
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testutil.RequireMetricsEqual(t, expected, tx.Batch)
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}
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