2015-02-04 03:51:35 +00:00
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package main
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import (
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2016-03-21 20:06:34 +00:00
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"fmt"
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2015-02-06 22:17:34 +00:00
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"runtime"
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2015-02-04 03:51:35 +00:00
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"strings"
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2015-02-04 23:28:51 +00:00
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"unicode"
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2015-02-18 21:32:42 +00:00
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2016-12-30 17:23:00 +00:00
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"github.com/docker/docker/integration-cli/checker"
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2015-02-18 21:32:42 +00:00
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"github.com/docker/docker/pkg/homedir"
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2016-12-30 17:23:00 +00:00
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icmd "github.com/docker/docker/pkg/testutil/cmd"
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2015-04-18 16:46:47 +00:00
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"github.com/go-check/check"
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2015-02-04 03:51:35 +00:00
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)
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2015-04-18 16:46:47 +00:00
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func (s *DockerSuite) TestHelpTextVerify(c *check.C) {
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2017-01-05 11:38:34 +00:00
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// FIXME(vdemeester) should be a unit test, probably using golden files ?
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2015-08-28 17:36:42 +00:00
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testRequires(c, DaemonIsLinux)
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2016-03-21 20:06:34 +00:00
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2015-02-04 03:51:35 +00:00
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// Make sure main help text fits within 80 chars and that
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2015-02-06 22:17:34 +00:00
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// on non-windows system we use ~ when possible (to shorten things).
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// Test for HOME set to its default value and set to "/" on linux
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// Yes on windows setting up an array and looping (right now) isn't
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// necessary because we just have one value, but we'll need the
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// array/loop on linux so we might as well set it up so that we can
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// test any number of home dirs later on and all we need to do is
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// modify the array - the rest of the testing infrastructure should work
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homes := []string{homedir.Get()}
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2015-02-04 03:51:35 +00:00
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2015-02-06 22:17:34 +00:00
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// Non-Windows machines need to test for this special case of $HOME
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if runtime.GOOS != "windows" {
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homes = append(homes, "/")
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2015-02-04 03:51:35 +00:00
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}
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2015-02-18 21:32:42 +00:00
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2015-02-06 22:17:34 +00:00
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homeKey := homedir.Key()
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2016-02-24 22:59:11 +00:00
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baseEnvs := appendBaseEnv(true)
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2015-02-04 03:51:35 +00:00
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2015-02-06 22:17:34 +00:00
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// Remove HOME env var from list so we can add a new value later.
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for i, env := range baseEnvs {
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if strings.HasPrefix(env, homeKey+"=") {
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baseEnvs = append(baseEnvs[:i], baseEnvs[i+1:]...)
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2015-02-04 23:28:51 +00:00
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break
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}
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2015-02-06 22:17:34 +00:00
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}
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2015-02-04 23:28:51 +00:00
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2015-02-06 22:17:34 +00:00
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for _, home := range homes {
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2016-03-21 20:06:34 +00:00
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2015-02-06 22:17:34 +00:00
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// Dup baseEnvs and add our new HOME value
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newEnvs := make([]string, len(baseEnvs)+1)
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copy(newEnvs, baseEnvs)
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newEnvs[len(newEnvs)-1] = homeKey + "=" + home
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2015-02-04 23:28:51 +00:00
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2015-02-06 22:17:34 +00:00
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scanForHome := runtime.GOOS != "windows" && home != "/"
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2015-02-04 23:28:51 +00:00
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2015-02-06 22:17:34 +00:00
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// Check main help text to make sure its not over 80 chars
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2017-01-05 11:38:34 +00:00
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result := icmd.RunCmd(icmd.Cmd{
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2017-01-05 18:08:24 +00:00
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Command: []string{dockerBinary, "help"},
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Env: newEnvs,
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2017-01-05 11:38:34 +00:00
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})
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result.Assert(c, icmd.Success)
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lines := strings.Split(result.Combined(), "\n")
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2015-02-04 03:51:35 +00:00
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for _, line := range lines {
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2015-03-11 13:11:15 +00:00
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// All lines should not end with a space
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2015-10-20 09:40:24 +00:00
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c.Assert(line, checker.Not(checker.HasSuffix), " ", check.Commentf("Line should not end with a space"))
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2015-03-11 13:11:15 +00:00
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2015-02-06 22:17:34 +00:00
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if scanForHome && strings.Contains(line, `=`+home) {
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2015-04-18 16:46:47 +00:00
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c.Fatalf("Line should use '%q' instead of %q:\n%s", homedir.GetShortcutString(), home, line)
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2015-02-06 22:17:34 +00:00
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}
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if runtime.GOOS != "windows" {
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i := strings.Index(line, homedir.GetShortcutString())
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if i >= 0 && i != len(line)-1 && line[i+1] != '/' {
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2015-04-18 16:46:47 +00:00
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c.Fatalf("Main help should not have used home shortcut:\n%s", line)
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2015-02-06 22:17:34 +00:00
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}
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2015-02-04 03:51:35 +00:00
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}
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}
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2015-10-07 12:09:46 +00:00
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// Make sure each cmd's help text fits within 90 chars and that
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2015-02-06 22:17:34 +00:00
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// on non-windows system we use ~ when possible (to shorten things).
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// Pull the list of commands from the "Commands:" section of docker help
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2017-01-05 11:38:34 +00:00
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// FIXME(vdemeester) Why re-run help ?
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//helpCmd = exec.Command(dockerBinary, "help")
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//helpCmd.Env = newEnvs
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//out, _, err = runCommandWithOutput(helpCmd)
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//c.Assert(err, checker.IsNil, check.Commentf(out))
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i := strings.Index(result.Combined(), "Commands:")
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c.Assert(i, checker.GreaterOrEqualThan, 0, check.Commentf("Missing 'Commands:' in:\n%s", result.Combined()))
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2015-02-06 22:17:34 +00:00
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cmds := []string{}
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2015-05-01 14:00:43 +00:00
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// Grab all chars starting at "Commands:"
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2017-01-05 11:38:34 +00:00
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helpOut := strings.Split(result.Combined()[i:], "\n")
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2016-09-22 20:38:18 +00:00
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// Skip first line, it is just "Commands:"
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helpOut = helpOut[1:]
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2015-05-23 15:57:50 +00:00
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2015-09-08 21:19:27 +00:00
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// Create the list of commands we want to test
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cmdsToTest := []string{}
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for _, cmd := range helpOut {
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2015-02-06 22:17:34 +00:00
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// Stop on blank line or non-idented line
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if cmd == "" || !unicode.IsSpace(rune(cmd[0])) {
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break
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}
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// Grab just the first word of each line
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cmd = strings.Split(strings.TrimSpace(cmd), " ")[0]
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2015-09-08 21:19:27 +00:00
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cmds = append(cmds, cmd) // Saving count for later
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cmdsToTest = append(cmdsToTest, cmd)
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}
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// Add some 'two word' commands - would be nice to automatically
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// calculate this list - somehow
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cmdsToTest = append(cmdsToTest, "volume create")
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cmdsToTest = append(cmdsToTest, "volume inspect")
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cmdsToTest = append(cmdsToTest, "volume ls")
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cmdsToTest = append(cmdsToTest, "volume rm")
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2016-06-06 08:28:52 +00:00
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cmdsToTest = append(cmdsToTest, "network connect")
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cmdsToTest = append(cmdsToTest, "network create")
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cmdsToTest = append(cmdsToTest, "network disconnect")
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cmdsToTest = append(cmdsToTest, "network inspect")
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cmdsToTest = append(cmdsToTest, "network ls")
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cmdsToTest = append(cmdsToTest, "network rm")
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2015-09-08 21:19:27 +00:00
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2016-10-06 14:09:54 +00:00
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if experimentalDaemon {
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2016-05-12 14:52:00 +00:00
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cmdsToTest = append(cmdsToTest, "checkpoint create")
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cmdsToTest = append(cmdsToTest, "checkpoint ls")
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cmdsToTest = append(cmdsToTest, "checkpoint rm")
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}
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2016-03-21 20:06:34 +00:00
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// Divide the list of commands into go routines and run the func testcommand on the commands in parallel
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// to save runtime of test
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2015-05-23 15:57:50 +00:00
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2016-03-21 20:06:34 +00:00
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errChan := make(chan error)
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2015-05-23 15:57:50 +00:00
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2016-03-21 20:06:34 +00:00
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for index := 0; index < len(cmdsToTest); index++ {
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go func(index int) {
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errChan <- testCommand(cmdsToTest[index], newEnvs, scanForHome, home)
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}(index)
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}
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2015-05-23 15:57:50 +00:00
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2016-03-21 20:06:34 +00:00
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for index := 0; index < len(cmdsToTest); index++ {
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err := <-errChan
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if err != nil {
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c.Fatal(err)
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2015-05-23 15:57:50 +00:00
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}
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2015-02-06 22:17:34 +00:00
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}
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2015-02-04 23:28:51 +00:00
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}
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2015-02-04 03:51:35 +00:00
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}
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2015-05-09 18:33:06 +00:00
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2015-05-23 15:57:50 +00:00
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func (s *DockerSuite) TestHelpExitCodesHelpOutput(c *check.C) {
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// Test to make sure the exit code and output (stdout vs stderr) of
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// various good and bad cases are what we expect
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2015-05-09 18:33:06 +00:00
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2015-05-23 15:57:50 +00:00
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// docker : stdout=all, stderr=empty, rc=0
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2016-12-13 20:21:51 +00:00
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out, _ := dockerCmd(c)
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2015-05-23 15:57:50 +00:00
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// Be really pick
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2015-10-20 09:40:24 +00:00
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c.Assert(out, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker'\n"))
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2015-05-09 18:33:06 +00:00
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2015-05-23 15:57:50 +00:00
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// docker help: stdout=all, stderr=empty, rc=0
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2016-12-13 20:21:51 +00:00
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out, _ = dockerCmd(c, "help")
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2015-05-23 15:57:50 +00:00
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// Be really pick
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2015-10-20 09:40:24 +00:00
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c.Assert(out, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker help'\n"))
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2015-05-09 18:33:06 +00:00
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2015-05-23 15:57:50 +00:00
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// docker --help: stdout=all, stderr=empty, rc=0
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2016-12-13 20:21:51 +00:00
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out, _ = dockerCmd(c, "--help")
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2015-05-23 15:57:50 +00:00
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// Be really pick
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2015-10-20 09:40:24 +00:00
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c.Assert(out, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker --help'\n"))
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2015-05-09 18:33:06 +00:00
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2015-05-23 15:57:50 +00:00
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// docker inspect busybox: stdout=all, stderr=empty, rc=0
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// Just making sure stderr is empty on valid cmd
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2016-12-13 20:21:51 +00:00
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out, _ = dockerCmd(c, "inspect", "busybox")
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2015-05-23 15:57:50 +00:00
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// Be really pick
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2015-10-20 09:40:24 +00:00
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c.Assert(out, checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker inspect busyBox'\n"))
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2015-05-23 15:57:50 +00:00
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// docker rm: stdout=empty, stderr=all, rc!=0
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// testing the min arg error msg
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2016-12-13 20:21:51 +00:00
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icmd.RunCommand(dockerBinary, "rm").Assert(c, icmd.Expected{
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ExitCode: 1,
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Error: "exit status 1",
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Out: "",
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// Should not contain full help text but should contain info about
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// # of args and Usage line
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Err: "requires at least 1 argument",
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})
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2015-05-23 15:57:50 +00:00
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// docker rm NoSuchContainer: stdout=empty, stderr=all, rc=0
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// testing to make sure no blank line on error
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2016-12-13 20:21:51 +00:00
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result := icmd.RunCommand(dockerBinary, "rm", "NoSuchContainer")
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result.Assert(c, icmd.Expected{
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ExitCode: 1,
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Error: "exit status 1",
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Out: "",
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})
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2015-05-23 15:57:50 +00:00
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// Be really picky
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2016-12-13 20:21:51 +00:00
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c.Assert(len(result.Stderr()), checker.Not(checker.Equals), 0)
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c.Assert(result.Stderr(), checker.Not(checker.HasSuffix), "\n\n", check.Commentf("Should not have a blank line at the end of 'docker rm'\n"))
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2015-05-23 15:57:50 +00:00
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// docker BadCmd: stdout=empty, stderr=all, rc=0
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2016-12-13 20:21:51 +00:00
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icmd.RunCommand(dockerBinary, "BadCmd").Assert(c, icmd.Expected{
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ExitCode: 1,
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Error: "exit status 1",
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Out: "",
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Err: "docker: 'BadCmd' is not a docker command.\nSee 'docker --help'\n",
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})
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2015-05-09 18:33:06 +00:00
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}
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2016-03-21 20:06:34 +00:00
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func testCommand(cmd string, newEnvs []string, scanForHome bool, home string) error {
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args := strings.Split(cmd+" --help", " ")
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// Check the full usage text
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2016-12-13 20:21:51 +00:00
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result := icmd.RunCmd(icmd.Cmd{
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Command: append([]string{dockerBinary}, args...),
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Env: newEnvs,
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})
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err := result.Error
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out := result.Stdout()
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stderr := result.Stderr()
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2016-03-21 20:06:34 +00:00
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if len(stderr) != 0 {
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return fmt.Errorf("Error on %q help. non-empty stderr:%q\n", cmd, stderr)
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}
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if strings.HasSuffix(out, "\n\n") {
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return fmt.Errorf("Should not have blank line on %q\n", cmd)
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}
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if !strings.Contains(out, "--help") {
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return fmt.Errorf("All commands should mention '--help'. Command '%v' did not.\n", cmd)
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}
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if err != nil {
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return fmt.Errorf(out)
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}
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// Check each line for lots of stuff
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lines := strings.Split(out, "\n")
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for _, line := range lines {
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i := strings.Index(line, "~")
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if i >= 0 && i != len(line)-1 && line[i+1] != '/' {
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return fmt.Errorf("Help for %q should not have used ~:\n%s", cmd, line)
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}
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// If a line starts with 4 spaces then assume someone
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// added a multi-line description for an option and we need
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// to flag it
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2016-05-16 21:20:29 +00:00
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if strings.HasPrefix(line, " ") &&
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!strings.HasPrefix(strings.TrimLeft(line, " "), "--") {
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2016-03-21 20:06:34 +00:00
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return fmt.Errorf("Help for %q should not have a multi-line option", cmd)
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}
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// Options should NOT end with a period
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if strings.HasPrefix(line, " -") && strings.HasSuffix(line, ".") {
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return fmt.Errorf("Help for %q should not end with a period: %s", cmd, line)
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}
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// Options should NOT end with a space
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if strings.HasSuffix(line, " ") {
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2016-05-16 21:20:29 +00:00
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return fmt.Errorf("Help for %q should not end with a space: %s", cmd, line)
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2016-03-21 20:06:34 +00:00
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}
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}
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// For each command make sure we generate an error
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// if we give a bad arg
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args = strings.Split(cmd+" --badArg", " ")
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out, _, err = dockerCmdWithError(args...)
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if err == nil {
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return fmt.Errorf(out)
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}
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// Be really picky
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if strings.HasSuffix(stderr, "\n\n") {
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return fmt.Errorf("Should not have a blank line at the end of 'docker rm'\n")
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}
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// Now make sure that each command will print a short-usage
|
|
|
|
// (not a full usage - meaning no opts section) if we
|
|
|
|
// are missing a required arg or pass in a bad arg
|
|
|
|
|
|
|
|
// These commands will never print a short-usage so don't test
|
|
|
|
noShortUsage := map[string]string{
|
2016-06-14 22:42:30 +00:00
|
|
|
"images": "",
|
|
|
|
"login": "",
|
|
|
|
"logout": "",
|
|
|
|
"network": "",
|
|
|
|
"stats": "",
|
|
|
|
"volume create": "",
|
2016-03-21 20:06:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if _, ok := noShortUsage[cmd]; !ok {
|
|
|
|
// skipNoArgs are ones that we don't want to try w/o
|
|
|
|
// any args. Either because it'll hang the test or
|
|
|
|
// lead to incorrect test result (like false negative).
|
|
|
|
// Whatever the reason, skip trying to run w/o args and
|
|
|
|
// jump to trying with a bogus arg.
|
|
|
|
skipNoArgs := map[string]struct{}{
|
|
|
|
"daemon": {},
|
|
|
|
"events": {},
|
|
|
|
"load": {},
|
|
|
|
}
|
|
|
|
|
2016-08-03 16:20:46 +00:00
|
|
|
var result *icmd.Result
|
2016-03-21 20:06:34 +00:00
|
|
|
if _, ok := skipNoArgs[cmd]; !ok {
|
2016-08-03 16:20:46 +00:00
|
|
|
result = dockerCmdWithResult(strings.Split(cmd, " ")...)
|
2016-03-21 20:06:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
// If its ok w/o any args then try again with an arg
|
2016-08-03 16:20:46 +00:00
|
|
|
if result == nil || result.ExitCode == 0 {
|
|
|
|
result = dockerCmdWithResult(strings.Split(cmd+" badArg", " ")...)
|
2016-03-21 20:06:34 +00:00
|
|
|
}
|
|
|
|
|
2016-08-03 16:20:46 +00:00
|
|
|
if err := result.Compare(icmd.Expected{
|
|
|
|
Out: icmd.None,
|
|
|
|
Err: "\nUsage:",
|
|
|
|
ExitCode: 1,
|
|
|
|
}); err != nil {
|
|
|
|
return err
|
2016-03-21 20:06:34 +00:00
|
|
|
}
|
2016-08-03 16:20:46 +00:00
|
|
|
|
|
|
|
stderr := result.Stderr()
|
|
|
|
// Shouldn't have full usage
|
2016-03-21 20:06:34 +00:00
|
|
|
if strings.Contains(stderr, "--help=false") {
|
2016-08-03 16:20:46 +00:00
|
|
|
return fmt.Errorf("Should not have full usage on %q:%v", result.Cmd.Args, stderr)
|
2016-03-21 20:06:34 +00:00
|
|
|
}
|
|
|
|
if strings.HasSuffix(stderr, "\n\n") {
|
2016-08-03 16:20:46 +00:00
|
|
|
return fmt.Errorf("Should not have a blank line on %q\n%v", result.Cmd.Args, stderr)
|
2016-03-21 20:06:34 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return nil
|
|
|
|
}
|