102 lines
2.3 KiB
Go
102 lines
2.3 KiB
Go
package tail
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import (
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"io/ioutil"
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"os"
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"testing"
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"time"
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"github.com/influxdata/telegraf/plugins/parsers"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestTailFromBeginning(t *testing.T) {
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tmpfile, err := ioutil.TempFile("", "")
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require.NoError(t, err)
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defer os.Remove(tmpfile.Name())
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tt := NewTail()
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tt.FromBeginning = true
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tt.Files = []string{tmpfile.Name()}
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p, _ := parsers.NewInfluxParser()
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tt.SetParser(p)
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defer tt.Stop()
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defer tmpfile.Close()
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acc := testutil.Accumulator{}
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require.NoError(t, tt.Start(&acc))
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_, err = tmpfile.WriteString("cpu,mytag=foo usage_idle=100\n")
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require.NoError(t, err)
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require.NoError(t, tt.Gather(&acc))
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time.Sleep(time.Millisecond * 50)
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acc.AssertContainsTaggedFields(t, "cpu",
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map[string]interface{}{
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"usage_idle": float64(100),
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},
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map[string]string{
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"mytag": "foo",
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})
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}
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func TestTailFromEnd(t *testing.T) {
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tmpfile, err := ioutil.TempFile("", "")
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require.NoError(t, err)
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defer os.Remove(tmpfile.Name())
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_, err = tmpfile.WriteString("cpu,mytag=foo usage_idle=100\n")
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require.NoError(t, err)
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tt := NewTail()
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tt.Files = []string{tmpfile.Name()}
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p, _ := parsers.NewInfluxParser()
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tt.SetParser(p)
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defer tt.Stop()
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defer tmpfile.Close()
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acc := testutil.Accumulator{}
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require.NoError(t, tt.Start(&acc))
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time.Sleep(time.Millisecond * 100)
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_, err = tmpfile.WriteString("cpu,othertag=foo usage_idle=100\n")
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require.NoError(t, err)
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require.NoError(t, tt.Gather(&acc))
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time.Sleep(time.Millisecond * 50)
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acc.AssertContainsTaggedFields(t, "cpu",
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map[string]interface{}{
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"usage_idle": float64(100),
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},
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map[string]string{
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"othertag": "foo",
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})
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assert.Len(t, acc.Metrics, 1)
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}
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func TestTailBadLine(t *testing.T) {
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tmpfile, err := ioutil.TempFile("", "")
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require.NoError(t, err)
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defer os.Remove(tmpfile.Name())
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tt := NewTail()
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tt.FromBeginning = true
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tt.Files = []string{tmpfile.Name()}
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p, _ := parsers.NewInfluxParser()
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tt.SetParser(p)
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defer tt.Stop()
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defer tmpfile.Close()
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acc := testutil.Accumulator{}
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require.NoError(t, tt.Start(&acc))
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_, err = tmpfile.WriteString("cpu mytag= foo usage_idle= 100\n")
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require.NoError(t, err)
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require.NoError(t, tt.Gather(&acc))
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time.Sleep(time.Millisecond * 50)
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assert.Len(t, acc.Metrics, 0)
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}
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