96 lines
1.8 KiB
Go
96 lines
1.8 KiB
Go
package exec
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import (
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"fmt"
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"testing"
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"github.com/influxdb/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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// Midnight 9/22/2015
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const baseTimeSeconds = 1442905200
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const validJson = `
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{
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"status": "green",
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"num_processes": 82,
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"cpu": {
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"status": "red",
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"nil_status": null,
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"used": 8234,
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"free": 32
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},
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"percent": 0.81,
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"users": [0, 1, 2, 3]
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}`
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const malformedJson = `
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{
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"status": "green",
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`
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type runnerMock struct {
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out []byte
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err error
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}
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func newRunnerMock(out []byte, err error) Runner {
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return &runnerMock{
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out: out,
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err: err,
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}
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}
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func (r runnerMock) Run(e *Exec) ([]byte, error) {
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if r.err != nil {
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return nil, r.err
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}
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return r.out, nil
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}
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func TestExec(t *testing.T) {
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e := &Exec{
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runner: newRunnerMock([]byte(validJson), nil),
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Command: "testcommand arg1",
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}
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var acc testutil.Accumulator
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err := e.Gather(&acc)
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require.NoError(t, err)
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assert.Equal(t, acc.NFields(), 4, "non-numeric measurements should be ignored")
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fields := map[string]interface{}{
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"num_processes": float64(82),
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"cpu_used": float64(8234),
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"cpu_free": float64(32),
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"percent": float64(0.81),
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}
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acc.AssertContainsFields(t, "exec", fields)
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}
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func TestExecMalformed(t *testing.T) {
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e := &Exec{
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runner: newRunnerMock([]byte(malformedJson), nil),
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Command: "badcommand arg1",
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}
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var acc testutil.Accumulator
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err := e.Gather(&acc)
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require.Error(t, err)
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assert.Equal(t, acc.NFields(), 0, "No new points should have been added")
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}
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func TestCommandError(t *testing.T) {
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e := &Exec{
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runner: newRunnerMock(nil, fmt.Errorf("exit status code 1")),
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Command: "badcommand",
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}
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var acc testutil.Accumulator
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err := e.Gather(&acc)
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require.Error(t, err)
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assert.Equal(t, acc.NFields(), 0, "No new points should have been added")
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}
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