dendrite/vendor/src/gopkg.in/alecthomas/kingpin.v3-unstable/clause_test.go
2017-09-05 17:09:50 +01:00

95 lines
2.1 KiB
Go

package kingpin
import (
"io/ioutil"
"net/url"
"os"
"github.com/stretchr/testify/assert"
"testing"
)
func TestParseStrings(t *testing.T) {
p := Clause{}
v := p.Strings()
p.value.Set("a")
p.value.Set("b")
assert.Equal(t, []string{"a", "b"}, *v)
}
func TestStringsStringer(t *testing.T) {
target := []string{}
v := newAccumulator(&target, func(v interface{}) Value { return newStringValue(v.(*string)) })
v.Set("hello")
v.Set("world")
assert.Equal(t, "hello,world", v.String())
}
func TestParseStringMap(t *testing.T) {
p := Clause{}
v := p.StringMap()
p.value.Set("a:b")
p.value.Set("b:c")
assert.Equal(t, map[string]string{"a": "b", "b": "c"}, *v)
}
func TestParseURL(t *testing.T) {
p := Clause{}
v := p.URL()
p.value.Set("http://w3.org")
u, err := url.Parse("http://w3.org")
assert.NoError(t, err)
assert.Equal(t, *u, **v)
}
func TestParseExistingFile(t *testing.T) {
f, err := ioutil.TempFile("", "")
if err != nil {
t.Fatal(err)
}
defer f.Close()
defer os.Remove(f.Name())
p := Clause{}
v := p.ExistingFile()
err = p.value.Set(f.Name())
assert.NoError(t, err)
assert.Equal(t, f.Name(), *v)
err = p.value.Set("/etc/hostsDEFINITELYMISSING")
assert.Error(t, err)
}
func TestFloat32(t *testing.T) {
p := Clause{}
v := p.Float32()
err := p.value.Set("123.45")
assert.NoError(t, err)
assert.InEpsilon(t, 123.45, *v, 0.001)
}
func TestDefaultScalarValueIsSetBeforeParse(t *testing.T) {
app := newTestApp()
v := app.Flag("a", "").Default("123").Int()
assert.Equal(t, *v, 123)
_, err := app.Parse([]string{"--a", "456"})
assert.NoError(t, err)
assert.Equal(t, *v, 456)
}
func TestDefaultCumulativeValueIsSetBeforeParse(t *testing.T) {
app := newTestApp()
v := app.Flag("a", "").Default("123", "456").Ints()
assert.Equal(t, *v, []int{123, 456})
_, err := app.Parse([]string{"--a", "789", "--a", "123"})
assert.NoError(t, err)
assert.Equal(t, *v, []int{789, 123})
}
func TestUnicodeShortFlag(t *testing.T) {
app := newTestApp()
f := app.Flag("long", "").Short('ä').Bool()
_, err := app.Parse([]string{"-ä"})
assert.NoError(t, err)
assert.True(t, *f)
}