gb vendor fetch github.com/alecthomas/gometalinter

vendor/src/gopkg.in/alecthomas/kingpin.v3-unstable/clause_test.go

@@ -0,0 +1,95 @@
+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)
+}