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parse_test.go
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package cliargs_test
import (
"github.com/stretchr/testify/assert"
"github.com/sttk-go/cliargs"
"os"
"testing"
)
var osArgs []string = os.Args
func resetOsArgs() {
os.Args = osArgs
}
func TestParse_zeroArg(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 1)
os.Args[0] = osArgs[0]
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_oneNonOptArg(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "abcd"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{"abcd"})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_oneLongOpt(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "--silent"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.True(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string{})
}
func TestParse_oneLongOptWithParam(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "--alphabet=ABC"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.True(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "ABC")
assert.Equal(t, args.OptParams("alphabet"), []string{"ABC"})
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_oneShortOpt(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "-s"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.True(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string{})
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_oneShortOptWithParam(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "-a=123"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{})
assert.True(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "123")
assert.Equal(t, args.OptParams("a"), []string{"123"})
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_oneArgByMultipleShortOpts(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "-sa"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, len(args.CmdParams()), 0)
assert.True(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string{})
assert.False(t, args.HasOpt("alphabet"))
assert.True(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string{})
assert.False(t, args.HasOpt("silent"))
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{})
assert.True(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string{})
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.True(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string{})
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_oneArgByMultipleShortOptsWithParam(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "-sa=123"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{})
assert.True(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "123")
assert.Equal(t, args.OptParams("a"), []string{"123"})
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.True(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string{})
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_longOptNameIncludesHyphenMark(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "--aaa-bbb-ccc=123"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, len(args.CmdParams()), 0)
assert.True(t, args.HasOpt("aaa-bbb-ccc"))
assert.Equal(t, args.OptParam("aaa-bbb-ccc"), "123")
assert.Equal(t, args.OptParams("aaa-bbb-ccc"), []string{"123"})
}
func TestParse_optParamsIncludesEqualMark(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "-sa=b=c"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{})
assert.True(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "b=c")
assert.Equal(t, args.OptParams("a"), []string{"b=c"})
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.True(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string{})
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_optParamsIncludesMarks(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "-sa=1,2-3"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{})
assert.True(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "1,2-3")
assert.Equal(t, args.OptParams("a"), []string{"1,2-3"})
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.True(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string{})
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_illegalLongOptIfIncludingInvalidChar(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 4)
os.Args[0] = osArgs[0]
os.Args[1] = "-s"
os.Args[2] = "--abc%def"
os.Args[3] = "-a"
args, err := cliargs.Parse()
assert.NotNil(t, err)
assert.Equal(t, err.Error(), "OptionHasInvalidChar")
switch err.(type) {
case cliargs.OptionHasInvalidChar:
assert.Equal(t, err.(cliargs.OptionHasInvalidChar).Option, "abc%def")
default:
assert.Fail(t, err.Error())
}
assert.Equal(t, args.CmdParams(), []string{})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_illegalLongOptIfFirstCharIsNumber(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "--1abc"
args, err := cliargs.Parse()
assert.NotNil(t, err)
assert.Equal(t, err.Error(), "OptionHasInvalidChar")
switch err.(type) {
case cliargs.OptionHasInvalidChar:
assert.Equal(t, err.(cliargs.OptionHasInvalidChar).Option, "1abc")
default:
assert.Fail(t, err.Error())
}
assert.Equal(t, args.CmdParams(), []string{})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_illegalLongOptIfFirstCharIsHyphen(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "---aaa=123"
args, err := cliargs.Parse()
assert.NotNil(t, err)
assert.Equal(t, err.Error(), "OptionHasInvalidChar")
switch err.(type) {
case cliargs.OptionHasInvalidChar:
assert.Equal(t, err.(cliargs.OptionHasInvalidChar).Option, "-aaa=123")
default:
assert.Fail(t, err.Error())
}
assert.Equal(t, args.CmdParams(), []string{})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_IllegalCharInShortOpt(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 4)
os.Args[0] = osArgs[0]
os.Args[1] = "-s"
os.Args[2] = "--alphabet"
os.Args[3] = "-s@"
args, err := cliargs.Parse()
assert.NotNil(t, err)
assert.Equal(t, err.Error(), "OptionHasInvalidChar")
switch err.(type) {
case cliargs.OptionHasInvalidChar:
assert.Equal(t, err.(cliargs.OptionHasInvalidChar).Option, "@")
default:
assert.Fail(t, err.Error())
}
assert.Equal(t, args.CmdParams(), []string{})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_useEndOptMark(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 7)
os.Args[0] = osArgs[0]
os.Args[1] = "-s"
os.Args[2] = "--"
os.Args[3] = "-s"
os.Args[4] = "--"
os.Args[5] = "-s@"
os.Args[6] = "xxx"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{"-s", "--", "-s@", "xxx"})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.True(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string{})
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_singleHyphen(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 2)
os.Args[0] = osArgs[0]
os.Args[1] = "-"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.Equal(t, args.CmdParams(), []string{"-"})
assert.False(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string(nil))
assert.False(t, args.HasOpt("alphabet"))
assert.Equal(t, args.OptParam("alphabet"), "")
assert.Equal(t, args.OptParams("alphabet"), []string(nil))
assert.False(t, args.HasOpt("s"))
assert.Equal(t, args.OptParam("s"), "")
assert.Equal(t, args.OptParams("s"), []string(nil))
assert.False(t, args.HasOpt("silent"))
assert.Equal(t, args.OptParam("silent"), "")
assert.Equal(t, args.OptParams("silent"), []string(nil))
}
func TestParse_multipleArgs(t *testing.T) {
defer resetOsArgs()
os.Args = make([]string, 8)
os.Args[0] = osArgs[0]
os.Args[1] = "--foo-bar"
os.Args[2] = "-a"
os.Args[3] = "--baz"
os.Args[4] = "-bc=3"
os.Args[5] = "qux"
os.Args[6] = "-c=4"
os.Args[7] = "quux"
args, err := cliargs.Parse()
assert.Nil(t, err)
assert.True(t, args.HasOpt("a"))
assert.Equal(t, args.OptParam("a"), "")
assert.Equal(t, args.OptParams("a"), []string{})
assert.True(t, args.HasOpt("b"))
assert.Equal(t, args.OptParam("b"), "")
assert.Equal(t, args.OptParams("b"), []string{})
assert.True(t, args.HasOpt("c"))
assert.Equal(t, args.OptParam("c"), "3")
assert.Equal(t, args.OptParams("c"), []string{"3", "4"})
assert.True(t, args.HasOpt("foo-bar"))
assert.Equal(t, args.OptParam("foo-bar"), "")
assert.Equal(t, args.OptParams("foo-bar"), []string{})
assert.True(t, args.HasOpt("baz"))
assert.Equal(t, args.OptParam("baz"), "")
assert.Equal(t, args.OptParams("baz"), []string{})
assert.Equal(t, args.CmdParams(), []string{"qux", "quux"})
}