squash merge from dev branch

vendor/gopkg.in/alecthomas/kingpin.v2/parsers_test.go

@@ -0,0 +1,98 @@
+package kingpin
+
+import (
+	"io/ioutil"
+	"net"
+	"net/url"
+	"os"
+
+	"github.com/alecthomas/assert"
+
+	"testing"
+)
+
+func TestParseStrings(t *testing.T) {
+	p := parserMixin{}
+	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 := parserMixin{}
+	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 TestParseIP(t *testing.T) {
+	p := parserMixin{}
+	v := p.IP()
+	p.value.Set("10.1.1.2")
+	ip := net.ParseIP("10.1.1.2")
+	assert.Equal(t, ip, *v)
+}
+
+func TestParseURL(t *testing.T) {
+	p := parserMixin{}
+	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 := parserMixin{}
+	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 TestParseTCPAddr(t *testing.T) {
+	p := parserMixin{}
+	v := p.TCP()
+	err := p.value.Set("127.0.0.1:1234")
+	assert.NoError(t, err)
+	expected, err := net.ResolveTCPAddr("tcp", "127.0.0.1:1234")
+	assert.NoError(t, err)
+	assert.Equal(t, *expected, **v)
+}
+
+func TestParseTCPAddrList(t *testing.T) {
+	p := parserMixin{}
+	_ = p.TCPList()
+	err := p.value.Set("127.0.0.1:1234")
+	assert.NoError(t, err)
+	err = p.value.Set("127.0.0.1:1235")
+	assert.NoError(t, err)
+	assert.Equal(t, "127.0.0.1:1234,127.0.0.1:1235", p.value.String())
+}
+
+func TestFloat32(t *testing.T) {
+	p := parserMixin{}
+	v := p.Float32()
+	err := p.value.Set("123.45")
+	assert.NoError(t, err)
+	assert.InEpsilon(t, 123.45, *v, 0.001)
+}