Added arn to the main repository

arn/validate/Validate.go

@@ -0,0 +1,68 @@
+package validate
+
+import (
+	"net/url"
+	"regexp"
+	"strings"
+	"time"
+
+	"github.com/animenotifier/notify.moe/arn/autocorrect"
+)
+
+const (
+	// DateFormat is the format used for short dates that don't include the time.
+	DateFormat = "2006-01-02"
+
+	// DateTimeFormat is the format used for long dates that include the time.
+	DateTimeFormat = time.RFC3339
+)
+
+var (
+	discordNickRegex = regexp.MustCompile(`^([^#]{2,32})#(\d{4})$`)
+)
+
+// Nick tests if the given nickname is valid.
+func Nick(nick string) bool {
+	if len(nick) < 2 {
+		return false
+	}
+
+	return nick == autocorrect.UserNick(nick)
+}
+
+// DiscordNick tests if the given Discord nickname is valid.
+func DiscordNick(nick string) bool {
+	return discordNickRegex.MatchString(nick)
+}
+
+// DateTime tells you whether the datetime is valid.
+func DateTime(date string) bool {
+	if date == "" || strings.HasPrefix(date, "0001") {
+		return false
+	}
+
+	_, err := time.Parse(DateTimeFormat, date)
+	return err == nil
+}
+
+// Date tells you whether the datetime is valid.
+func Date(date string) bool {
+	if date == "" || strings.HasPrefix(date, "0001") {
+		return false
+	}
+
+	_, err := time.Parse(DateFormat, date)
+	return err == nil
+}
+
+// Email tests if the given email address is valid.
+func Email(email string) bool {
+	// TODO: Add email check
+	return email != ""
+}
+
+// URI validates a URI.
+func URI(uri string) bool {
+	_, err := url.ParseRequestURI(uri)
+	return err == nil
+}

arn/validate/Validate_test.go

@@ -0,0 +1,49 @@
+package validate_test
+
+import (
+	"testing"
+
+	"github.com/animenotifier/notify.moe/arn/validate"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIsValidNick(t *testing.T) {
+	// Invalid nicknames
+	assert.False(t, validate.Nick(""))
+	assert.False(t, validate.Nick("A"))
+	assert.False(t, validate.Nick("AB CD"))
+	assert.False(t, validate.Nick("A123"))
+	assert.False(t, validate.Nick("A!§$%&/()=?`"))
+	assert.False(t, validate.Nick("__"))
+	assert.False(t, validate.Nick("Tsun.Dere"))
+	assert.False(t, validate.Nick("Tsun Dere"))
+	assert.False(t, validate.Nick("さとう"))
+
+	// Valid nicknames
+	assert.True(t, validate.Nick("Tsundere"))
+	assert.True(t, validate.Nick("TsunDere"))
+	assert.True(t, validate.Nick("Tsun_Dere"))
+	assert.True(t, validate.Nick("Akyoto"))
+}
+
+func TestIsValidEmail(t *testing.T) {
+	assert.False(t, validate.Email(""))
+	assert.True(t, validate.Email("support@notify.moe"))
+}
+
+func TestIsValidDate(t *testing.T) {
+	assert.False(t, validate.DateTime(""))
+	assert.False(t, validate.DateTime("0001-01-01T01:01:00Z"))
+	assert.False(t, validate.DateTime("292277026596-12-04T15:30:07Z"))
+	assert.True(t, validate.DateTime("2017-03-09T10:25:00Z"))
+}
+
+func TestIsValidURI(t *testing.T) {
+	assert.False(t, validate.URI(""))
+	assert.False(t, validate.URI("a"))
+	assert.False(t, validate.URI("google.com"))
+	assert.True(t, validate.URI("https://google.com"))
+	assert.True(t, validate.URI("https://google.com/"))
+	assert.True(t, validate.URI("https://google.com/images"))
+	assert.True(t, validate.URI("https://google.com/images/"))
+}