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package getopt
import (
"gopkg.in/check.v1"
"netbsd.org/pkglint/intqa"
"strings"
"testing"
)
type Suite struct{}
var _ = check.Suite(new(Suite))
func Test(t *testing.T) { check.TestingT(t) }
func (s *Suite) Test_Options_Parse__short(c *check.C) {
opts := NewOptions()
var help bool
opts.AddFlagVar('h', "help", &help, false, "prints a help page")
args, err := opts.Parse([]string{"progname", "-h"})
c.Assert(err, check.IsNil)
c.Check(args, check.IsNil)
c.Check(help, check.Equals, true)
}
func (s *Suite) Test_Options_Parse__short_string(c *check.C) {
opts := NewOptions()
var help bool
var src string
var dst string
opts.AddFlagVar('h', "help", &help, false, "prints a help page")
opts.AddStrVar('s', "src", &src, "", "source of the copy operation")
opts.AddStrVar('d', "dst", &dst, "", "destination of the copy operation")
args, err := opts.Parse([]string{"copy", "-hssource", "-d", "destination"})
c.Assert(err, check.IsNil)
c.Check(args, check.IsNil)
c.Check(help, check.Equals, true)
c.Check(src, check.Equals, "source")
c.Check(dst, check.Equals, "destination")
}
func (s *Suite) Test_Options_Parse__short_string_unfinished(c *check.C) {
opts := NewOptions()
var unfinished string
opts.AddStrVar('u', "unfinished", &unfinished, "", "demo")
args, err := opts.Parse([]string{"program", "-u"})
c.Assert(err.Error(), check.Equals, "program: option requires an argument: -u")
c.Check(args, check.IsNil)
c.Check(unfinished, check.Equals, "")
}
func (s *Suite) Test_Options_Parse__unknown_short(c *check.C) {
opts := NewOptions()
_, err := opts.Parse([]string{"progname", "-z"})
c.Check(err.Error(), check.Equals, "progname: unknown option: -z")
}
func (s *Suite) Test_Options_Parse__unknown_short_with_argument(c *check.C) {
opts := NewOptions()
_, err := opts.Parse([]string{"progname", "-z", "arg"})
c.Check(err.Error(), check.Equals, "progname: unknown option: -z")
}
func (s *Suite) Test_Options_Parse__unknown_long(c *check.C) {
opts := NewOptions()
_, err := opts.Parse([]string{"progname", "--unknown-long"})
c.Check(err.Error(), check.Equals, "progname: unknown option: --unknown-long")
}
func (s *Suite) Test_Options_Parse__unknown_flag_in_group(c *check.C) {
opts := NewOptions()
opts.AddFlagGroup('W', "warnings", "", "")
_, err := opts.Parse([]string{"progname", "-Wall", "-Werror"})
c.Check(err.Error(), check.Equals, "progname: unknown option: -Werror")
_, err = opts.Parse([]string{"progname", "--warnings=all", "--warnings=no-error"})
c.Check(err.Error(), check.Equals, "progname: unknown option: --warnings=no-error")
_, err = opts.Parse([]string{"progname", "-W"})
c.Check(err.Error(), check.Equals, "progname: option requires an argument: -W")
}
func (s *Suite) Test_Options_Parse__abbreviated_long(c *check.C) {
opts := NewOptions()
var longFlag, longerFlag bool
opts.AddFlagVar('?', "long", &longFlag, false, "")
opts.AddFlagVar('?', "longer", &longerFlag, false, "")
_, err := opts.Parse([]string{"progname", "--lo"})
c.Check(err.Error(), check.Equals, "progname: ambiguous option: --lo could mean --long or --longer")
args, err := opts.Parse([]string{"progname", "--long"})
c.Assert(err, check.IsNil)
c.Check(args, check.IsNil)
c.Check(longFlag, check.Equals, true)
c.Check(longerFlag, check.Equals, false)
longFlag = false
args, err = opts.Parse([]string{"progname", "--longe"})
c.Assert(err, check.IsNil)
c.Check(args, check.IsNil)
c.Check(longFlag, check.Equals, false)
c.Check(longerFlag, check.Equals, true)
}
func (s *Suite) Test_Options_Parse__mixed_args_and_options(c *check.C) {
opts := NewOptions()
var aflag, bflag bool
opts.AddFlagVar('a', "aflag", &aflag, false, "")
opts.AddFlagVar('b', "bflag", &bflag, false, "")
args, err := opts.Parse([]string{"progname", "-a", "arg1", "-b", "arg2"})
c.Assert(err, check.IsNil)
c.Check(args, check.DeepEquals, []string{"arg1", "arg2"})
c.Check(aflag, check.Equals, true)
c.Check(bflag, check.Equals, true)
aflag = false
bflag = false
args, err = opts.Parse([]string{"progname", "-a", "--", "arg1", "-b", "arg2"})
c.Assert(err, check.IsNil)
c.Check(args, check.DeepEquals, []string{"arg1", "-b", "arg2"})
c.Check(aflag, check.Equals, true)
c.Check(bflag, check.Equals, false)
}
func (s *Suite) Test_Options_Parse__string_list(c *check.C) {
opts := NewOptions()
var verbose bool
var includes []string
var excludes []string
opts.AddStrList('e', "exclude", &excludes, "")
opts.AddStrList('i', "include", &includes, "")
opts.AddFlagVar('v', "verbose", &verbose, false, "")
args, err := opts.Parse([]string{"progname",
"-viincluded1",
"-i", "included2",
"--include=included3",
"--include", "included4",
"-eexcluded1",
"-e", "excluded2",
"--exclude=excluded3",
"--exclude", "excluded4"})
c.Check(args, check.IsNil)
c.Check(err, check.IsNil)
c.Check(includes, check.DeepEquals, []string{"included1", "included2", "included3", "included4"})
c.Check(excludes, check.DeepEquals, []string{"excluded1", "excluded2", "excluded3", "excluded4"})
_, err = opts.Parse([]string{"progname", "-i"})
if c.Check(err, check.NotNil) {
c.Check(err.Error(), check.Equals, "progname: option requires an argument: -i")
}
_, err = opts.Parse([]string{"progname", "--include"})
if c.Check(err, check.NotNil) {
c.Check(err.Error(), check.Equals, "progname: option requires an argument: --include")
}
}
func (s *Suite) Test_Options_Parse__long_flags(c *check.C) {
var posFlags [5]bool
var negFlags [5]bool
var otherFlags [2]bool
opts := NewOptions()
opts.AddFlagVar(0, "pos0", &posFlags[0], false, "")
opts.AddFlagVar(0, "pos1", &posFlags[1], false, "")
opts.AddFlagVar(0, "pos2", &posFlags[2], false, "")
opts.AddFlagVar(0, "pos3", &posFlags[3], false, "")
opts.AddFlagVar(0, "pos4", &posFlags[4], false, "")
opts.AddFlagVar(0, "neg0", &negFlags[0], true, "")
opts.AddFlagVar(0, "neg1", &negFlags[1], true, "")
opts.AddFlagVar(0, "neg2", &negFlags[2], true, "")
opts.AddFlagVar(0, "neg3", &negFlags[3], true, "")
opts.AddFlagVar(0, "neg4", &negFlags[4], true, "")
opts.AddFlagVar(0, "other0", &otherFlags[0], false, "")
opts.AddFlagVar(0, "other1", &otherFlags[1], false, "")
args, err := opts.Parse([]string{"progname",
"--pos0=true",
"--pos1=on",
"--pos2=enabled",
"--pos3=1",
"--pos4=yes",
"--neg0=false",
"--neg1=off",
"--neg2=disabled",
"--neg3=0",
"--neg4=no",
"--other0",
"--other1=unknown"})
c.Check(args, check.HasLen, 0)
c.Check(posFlags, check.Equals, [5]bool{true, true, true, true, true})
c.Check(negFlags, check.Equals, [5]bool{false, false, false, false, false})
c.Check(otherFlags, check.Equals, [2]bool{true, false})
c.Check(err.Error(), check.Equals, "progname: invalid argument for option --other1")
}
func (s *Suite) Test_Options_Parse__long_string(c *check.C) {
opts := NewOptions()
var src, dst string
opts.AddStrVar('s', "src", &src, "", "source of the copy operation")
opts.AddStrVar('d', "dst", &dst, "", "destination of the copy operation")
args, err := opts.Parse([]string{"copy", "--src=source", "--dst", "destination", "arg"})
c.Assert(err, check.IsNil)
c.Check(args, check.DeepEquals, []string{"arg"})
c.Check(src, check.Equals, "source")
c.Check(dst, check.Equals, "destination")
}
func (s *Suite) Test_Options_Parse__long_string_unfinished(c *check.C) {
opts := NewOptions()
var unfinished string
opts.AddStrVar('u', "unfinished", &unfinished, "", "unfinished option")
args, err := opts.Parse([]string{"program", "--unfinished"})
c.Check(err.Error(), check.Equals, "program: option requires an argument: --unfinished")
c.Check(args, check.IsNil)
c.Check(unfinished, check.Equals, "")
}
func (s *Suite) Test_Options_handleLongOption__string(c *check.C) {
var extra bool
opts := NewOptions()
group := opts.AddFlagGroup('W', "warnings", "warning,...", "Print selected warnings")
group.AddFlagVar("extra", &extra, false, "Print extra warnings")
args, err := opts.Parse([]string{"progname", "--warnings"})
c.Check(args, check.IsNil)
c.Check(err.Error(), check.Equals, "progname: option requires an argument: --warnings")
c.Check(extra, check.Equals, false)
}
func (s *Suite) Test_Options_handleLongOption__flag_group_without_argument(c *check.C) {
var extra bool
opts := NewOptions()
group := opts.AddFlagGroup('W', "warnings", "warning,...", "Print selected warnings")
group.AddFlagVar("extra", &extra, false, "Print extra warnings")
args, err := opts.Parse([]string{"progname", "--warnings"})
c.Check(args, check.IsNil)
c.Check(err.Error(), check.Equals, "progname: option requires an argument: --warnings")
c.Check(extra, check.Equals, false)
}
func (s *Suite) Test_Options_handleLongOption__flag_group_separate_argument(c *check.C) {
var extra bool
opts := NewOptions()
group := opts.AddFlagGroup('W', "warnings", "warning,...", "Print selected warnings")
group.AddFlagVar("extra", &extra, false, "Print extra warnings")
args, err := opts.Parse([]string{"progname", "--warnings", "extra,unknown"})
c.Check(args, check.IsNil)
c.Check(err.Error(), check.Equals, "progname: unknown option: --warnings=unknown")
c.Check(extra, check.Equals, true)
}
func (s *Suite) Test_Options_handleLongOption__flag_group_all_then_disable(c *check.C) {
var false1, false2, true1, true2 bool
opts := NewOptions()
group := opts.AddFlagGroup('a', "answers", "answer,...", "Choose the answers")
group.AddFlagVar("false1", &false1, false, "A")
group.AddFlagVar("false2", &false2, false, "B")
group.AddFlagVar("true1", &true1, true, "C")
group.AddFlagVar("true2", &true2, true, "C")
args, err := opts.Parse([]string{"progname", "--answers", "all,no-false1,no-true1", "arg"})
c.Check(err, check.IsNil)
c.Check(args, check.DeepEquals, []string{"arg"})
c.Check(false1, check.Equals, false)
c.Check(false2, check.Equals, true)
c.Check(true1, check.Equals, false)
c.Check(true2, check.Equals, true)
}
func (s *Suite) Test_Options_handleLongOption__flag_group_none_then_enable(c *check.C) {
var false1, false2, true1, true2 bool
opts := NewOptions()
group := opts.AddFlagGroup('a', "answers", "answer,...", "Choose the answers")
group.AddFlagVar("false1", &false1, false, "A")
group.AddFlagVar("false2", &false2, false, "B")
group.AddFlagVar("true1", &true1, true, "C")
group.AddFlagVar("true2", &true2, true, "C")
args, err := opts.Parse([]string{"progname", "--answers", "none,false1,true1", "arg"})
c.Check(err, check.IsNil)
c.Check(args, check.DeepEquals, []string{"arg"})
c.Check(false1, check.Equals, true)
c.Check(false2, check.Equals, false)
c.Check(true1, check.Equals, true)
c.Check(true2, check.Equals, false)
}
func (s *Suite) Test_Options_handleLongOption__internal_error(c *check.C) {
var extra bool
opts := NewOptions()
group := opts.AddFlagGroup('W', "warnings", "warning,...", "Print selected warnings")
group.AddFlagVar("extra", &extra, false, "Print extra warnings")
// Intentionally damage internal structure to reach full code coverage.
opts.options[0].data = "unexpected value"
c.Check(
func() { _, _ = opts.Parse([]string{"progname", "--warnings"}) },
check.Panics,
"getopt: internal error: unknown option type")
}
func (s *Suite) Test_Options_parseShortOptions__flag_group_separate_argument(c *check.C) {
var extra bool
opts := NewOptions()
group := opts.AddFlagGroup('W', "warnings", "warning,...", "Print selected warnings")
group.AddFlagVar("extra", &extra, false, "Print extra warnings")
args, err := opts.Parse([]string{"progname", "-W", "extra,unknown"})
c.Check(args, check.IsNil)
c.Check(err.Error(), check.Equals, "progname: unknown option: -Wunknown")
c.Check(extra, check.Equals, true)
}
func (s *Suite) Test_Options_Help(c *check.C) {
var verbose bool
var name string
opts := NewOptions()
opts.AddFlagVar('v', "verbose", &verbose, false, "Print a detailed log")
opts.AddStrVar('n', "name", &name, "", "Name of the print job")
var out strings.Builder
opts.Help(&out, "progname [options] args")
c.Check(out.String(), check.Equals, ""+
"usage: progname [options] args\n"+
"\n"+
" -v, --verbose Print a detailed log\n"+
" -n, --name Name of the print job\n")
}
func (s *Suite) Test_Options_Help__with_flag_group(c *check.C) {
var verbose, basic, extra bool
var name string
opts := NewOptions()
opts.AddFlagVar('v', "verbose", &verbose, false, "Print a detailed log")
opts.AddStrVar('n', "name", &name, "", "Name of the print job")
group := opts.AddFlagGroup('W', "warnings", "warning,...", "Print selected warnings")
group.AddFlagVar("basic", &basic, true, "Print basic warnings")
group.AddFlagVar("extra", &extra, false, "Print extra warnings")
var out strings.Builder
opts.Help(&out, "progname [options] args")
c.Check(out.String(), check.Equals, ""+
"usage: progname [options] args\n"+
"\n"+
" -v, --verbose Print a detailed log\n"+
" -n, --name Name of the print job\n"+
" -W, --warnings=warning,... Print selected warnings\n"+
"\n"+
" Flags for -W, --warnings:\n"+
" all all of the following\n"+
" none none of the following\n"+
" basic Print basic warnings (enabled)\n"+
" extra Print extra warnings (disabled)\n"+
"\n"+
" (Prefix a flag with \"no-\" to disable it.)\n")
}
func (s *Suite) Test__test_names(c *check.C) {
ck := intqa.NewTestNameChecker(c.Errorf)
ck.Configure("*", "*", "*", -intqa.EMissingTest)
ck.Check()
}
|
