86 lines
1.8 KiB
Go
86 lines
1.8 KiB
Go
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// +build !windows
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package execd
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import (
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"testing"
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"time"
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"github.com/influxdata/telegraf/agent"
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"github.com/influxdata/telegraf/config"
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"github.com/influxdata/telegraf/models"
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"github.com/stretchr/testify/require"
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"github.com/influxdata/telegraf/plugins/parsers"
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"github.com/influxdata/telegraf"
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)
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func TestExternalInputWorks(t *testing.T) {
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jsonParser, err := parsers.NewInfluxParser()
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require.NoError(t, err)
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e := &Execd{
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Command: []string{shell(), fileShellScriptPath()},
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RestartDelay: config.Duration(5 * time.Second),
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parser: jsonParser,
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Signal: "STDIN",
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}
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metrics := make(chan telegraf.Metric, 10)
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defer close(metrics)
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acc := agent.NewAccumulator(&TestMetricMaker{}, metrics)
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require.NoError(t, e.Start(acc))
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require.NoError(t, e.Gather(acc))
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e.Stop()
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// grab a metric and make sure it's a thing
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m := readChanWithTimeout(t, metrics, 10*time.Second)
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require.Equal(t, "counter_bash", m.Name())
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val, ok := m.GetField("count")
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require.True(t, ok)
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require.Equal(t, float64(0), val)
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// test that a later gather will not panic
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e.Gather(acc)
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}
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func readChanWithTimeout(t *testing.T, metrics chan telegraf.Metric, timeout time.Duration) telegraf.Metric {
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to := time.NewTimer(timeout)
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defer to.Stop()
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select {
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case m := <-metrics:
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return m
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case <-to.C:
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require.FailNow(t, "timeout waiting for metric")
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}
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return nil
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}
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func fileShellScriptPath() string {
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return "./examples/count.sh"
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}
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func shell() string {
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return "sh"
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}
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type TestMetricMaker struct{}
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func (tm *TestMetricMaker) Name() string {
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return "TestPlugin"
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}
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func (tm *TestMetricMaker) LogName() string {
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return tm.Name()
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}
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func (tm *TestMetricMaker) MakeMetric(metric telegraf.Metric) telegraf.Metric {
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return metric
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}
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func (tm *TestMetricMaker) Log() telegraf.Logger {
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return models.NewLogger("TestPlugin", "test", "")
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}
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