141 lines
3.4 KiB
Go
141 lines
3.4 KiB
Go
package internal
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import (
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"os/exec"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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type SnakeTest struct {
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input string
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output string
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}
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var tests = []SnakeTest{
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{"a", "a"},
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{"snake", "snake"},
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{"A", "a"},
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{"ID", "id"},
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{"MOTD", "motd"},
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{"Snake", "snake"},
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{"SnakeTest", "snake_test"},
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{"APIResponse", "api_response"},
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{"SnakeID", "snake_id"},
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{"SnakeIDGoogle", "snake_id_google"},
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{"LinuxMOTD", "linux_motd"},
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{"OMGWTFBBQ", "omgwtfbbq"},
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{"omg_wtf_bbq", "omg_wtf_bbq"},
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}
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func TestSnakeCase(t *testing.T) {
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for _, test := range tests {
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if SnakeCase(test.input) != test.output {
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t.Errorf(`SnakeCase("%s"), wanted "%s", got \%s"`, test.input, test.output, SnakeCase(test.input))
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}
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}
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}
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var (
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sleepbin, _ = exec.LookPath("sleep")
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echobin, _ = exec.LookPath("echo")
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)
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func TestRunTimeout(t *testing.T) {
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if sleepbin == "" {
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t.Skip("'sleep' binary not available on OS, skipping.")
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}
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cmd := exec.Command(sleepbin, "10")
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start := time.Now()
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err := RunTimeout(cmd, time.Millisecond*20)
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elapsed := time.Since(start)
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assert.Equal(t, TimeoutErr, err)
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// Verify that command gets killed in 20ms, with some breathing room
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assert.True(t, elapsed < time.Millisecond*75)
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}
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func TestCombinedOutputTimeout(t *testing.T) {
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if sleepbin == "" {
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t.Skip("'sleep' binary not available on OS, skipping.")
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}
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cmd := exec.Command(sleepbin, "10")
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start := time.Now()
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_, err := CombinedOutputTimeout(cmd, time.Millisecond*20)
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elapsed := time.Since(start)
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assert.Equal(t, TimeoutErr, err)
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// Verify that command gets killed in 20ms, with some breathing room
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assert.True(t, elapsed < time.Millisecond*75)
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}
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func TestCombinedOutput(t *testing.T) {
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if echobin == "" {
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t.Skip("'echo' binary not available on OS, skipping.")
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}
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cmd := exec.Command(echobin, "foo")
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out, err := CombinedOutputTimeout(cmd, time.Second)
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assert.NoError(t, err)
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assert.Equal(t, "foo\n", string(out))
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}
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// test that CombinedOutputTimeout and exec.Cmd.CombinedOutput return
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// the same output from a failed command.
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func TestCombinedOutputError(t *testing.T) {
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if sleepbin == "" {
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t.Skip("'sleep' binary not available on OS, skipping.")
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}
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cmd := exec.Command(sleepbin, "foo")
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expected, expectedErr := cmd.CombinedOutput()
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cmd2 := exec.Command(sleepbin, "foo")
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actual, actualErr := CombinedOutputTimeout(cmd2, time.Second)
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if expectedErr != nil {
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assert.Error(t, actualErr)
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}
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assert.Equal(t, expected, actual)
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}
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func TestRunError(t *testing.T) {
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if sleepbin == "" {
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t.Skip("'sleep' binary not available on OS, skipping.")
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}
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cmd := exec.Command(sleepbin, "foo")
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expectedErr := cmd.Run()
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cmd2 := exec.Command(sleepbin, "foo")
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actualErr := RunTimeout(cmd2, time.Second)
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if expectedErr != nil {
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assert.Error(t, actualErr)
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}
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}
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func TestRandomSleep(t *testing.T) {
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// test that zero max returns immediately
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s := time.Now()
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RandomSleep(time.Duration(0), make(chan struct{}))
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elapsed := time.Since(s)
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assert.True(t, elapsed < time.Millisecond)
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// test that max sleep is respected
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s = time.Now()
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RandomSleep(time.Millisecond*50, make(chan struct{}))
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elapsed = time.Since(s)
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assert.True(t, elapsed < time.Millisecond*100)
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// test that shutdown is respected
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s = time.Now()
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shutdown := make(chan struct{})
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go func() {
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time.Sleep(time.Millisecond * 100)
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close(shutdown)
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}()
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RandomSleep(time.Second, shutdown)
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elapsed = time.Since(s)
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assert.True(t, elapsed < time.Millisecond*150)
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}
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