rclone/vendor/github.com/spf13/pflag/printusage_test.go
Nick Craig-Wood 6427029c4e vendor: update all dependencies
* Update all dependencies
  * Remove all `[[constraint]]` from Gopkg.toml
  * Add in the minimum number of `[[override]]` to build
  * Remove go get of github.com/inconshreveable/mousetrap as it is vendored
  * Update docs with new policy on constraints
2018-05-05 15:52:24 +01:00

75 lines
2.6 KiB
Go

package pflag
import (
"bytes"
"io"
"testing"
)
const expectedOutput = ` --long-form Some description
--long-form2 Some description
with multiline
-s, --long-name Some description
-t, --long-name2 Some description with
multiline
`
func setUpPFlagSet(buf io.Writer) *FlagSet {
f := NewFlagSet("test", ExitOnError)
f.Bool("long-form", false, "Some description")
f.Bool("long-form2", false, "Some description\n with multiline")
f.BoolP("long-name", "s", false, "Some description")
f.BoolP("long-name2", "t", false, "Some description with\n multiline")
f.SetOutput(buf)
return f
}
func TestPrintUsage(t *testing.T) {
buf := bytes.Buffer{}
f := setUpPFlagSet(&buf)
f.PrintDefaults()
res := buf.String()
if res != expectedOutput {
t.Errorf("Expected \n%s \nActual \n%s", expectedOutput, res)
}
}
func setUpPFlagSet2(buf io.Writer) *FlagSet {
f := NewFlagSet("test", ExitOnError)
f.Bool("long-form", false, "Some description")
f.Bool("long-form2", false, "Some description\n with multiline")
f.BoolP("long-name", "s", false, "Some description")
f.BoolP("long-name2", "t", false, "Some description with\n multiline")
f.StringP("some-very-long-arg", "l", "test", "Some very long description having break the limit")
f.StringP("other-very-long-arg", "o", "long-default-value", "Some very long description having break the limit")
f.String("some-very-long-arg2", "very long default value", "Some very long description\nwith line break\nmultiple")
f.SetOutput(buf)
return f
}
const expectedOutput2 = ` --long-form Some description
--long-form2 Some description
with multiline
-s, --long-name Some description
-t, --long-name2 Some description with
multiline
-o, --other-very-long-arg string Some very long description having
break the limit (default
"long-default-value")
-l, --some-very-long-arg string Some very long description having
break the limit (default "test")
--some-very-long-arg2 string Some very long description
with line break
multiple (default "very long default
value")
`
func TestPrintUsage_2(t *testing.T) {
buf := bytes.Buffer{}
f := setUpPFlagSet2(&buf)
res := f.FlagUsagesWrapped(80)
if res != expectedOutput2 {
t.Errorf("Expected \n%q \nActual \n%q", expectedOutput2, res)
}
}