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) }