106 lines
2.0 KiB
Go
106 lines
2.0 KiB
Go
package exec
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import (
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"bytes"
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"strings"
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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/influxdata/telegraf"
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"github.com/influxdata/telegraf/internal"
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"github.com/influxdata/telegraf/plugins/serializers"
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"github.com/influxdata/telegraf/testutil"
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)
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func TestExec(t *testing.T) {
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if testing.Short() {
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t.Skip("Skipping test due to OS/executable dependencies")
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}
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tests := []struct {
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name string
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command []string
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err bool
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metrics []telegraf.Metric
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}{
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{
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name: "test success",
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command: []string{"tee"},
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err: false,
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metrics: testutil.MockMetrics(),
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},
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{
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name: "test doesn't accept stdin",
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command: []string{"sleep", "5s"},
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err: true,
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metrics: testutil.MockMetrics(),
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},
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{
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name: "test command not found",
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command: []string{"/no/exist", "-h"},
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err: true,
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metrics: testutil.MockMetrics(),
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},
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{
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name: "test no metrics output",
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command: []string{"tee"},
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err: false,
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metrics: []telegraf.Metric{},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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e := &Exec{
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Command: tt.command,
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Timeout: internal.Duration{Duration: time.Second},
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runner: &CommandRunner{},
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}
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s, _ := serializers.NewInfluxSerializer()
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e.SetSerializer(s)
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e.Connect()
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require.Equal(t, tt.err, e.Write(tt.metrics) != nil)
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})
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}
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}
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func TestTruncate(t *testing.T) {
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tests := []struct {
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name string
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buf *bytes.Buffer
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len int
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}{
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{
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name: "long out",
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buf: bytes.NewBufferString(strings.Repeat("a", maxStderrBytes+100)),
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len: maxStderrBytes + len("..."),
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},
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{
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name: "multiline out",
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buf: bytes.NewBufferString("hola\ngato\n"),
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len: len("hola") + len("..."),
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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s := truncate(*tt.buf)
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require.Equal(t, tt.len, len(s))
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})
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}
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}
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func TestExecDocs(t *testing.T) {
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e := &Exec{}
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e.Description()
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e.SampleConfig()
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require.NoError(t, e.Close())
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e = &Exec{runner: &CommandRunner{}}
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require.NoError(t, e.Close())
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}
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