Add tests

errors.go

@@ -13,17 +13,17 @@ var ErrLessThan10Digits = errors.New("less than 10 symbols, expects exactly 10 s
 var ErrStringDoesNotConsistOfDigits = errors.New("string does not consist of digits")
 
 type ErrNotAllowedDate struct {
-	date time.Time
+	Date time.Time
 }
 
 func (e *ErrNotAllowedDate) Error() string {
-	return fmt.Sprintf("the allowed dates start from 01.01.1900, but your date %s is earlier", e.date.Format("02.04.2006"))
+	return fmt.Sprintf("the allowed dates start from 01.01.1900, but your date %s is earlier", e.Date.Format("02.04.2006"))
 }
 
 type ErrDateInFuture struct {
-	date time.Time
+	Date time.Time
 }
 
 func (e *ErrDateInFuture) Error() string {
-	return fmt.Sprintf("it is allowed to use only dates in past or current date, but your date is in the future %s", e.date.Format("02.04.2006"))
+	return fmt.Sprintf("it is allowed to use only dates in past or current date, but your date is in the future %s", e.Date.Format("02.04.2006"))
 }

errors_test.go

@@ -0,0 +1,26 @@
+package rnokpp_test
+
+import (
+	"testing"
+	"time"
+
+	"github.com/fre5h/rnokpp"
+)
+
+func TestErrNotAllowedDate(t *testing.T) {
+	date, _ := time.Parse("02.04.2006", "31.12.1899")
+	x := &rnokpp.ErrNotAllowedDate{Date: date}
+
+	if x.Error() != "the allowed dates start from 01.01.1900, but your date 31.12.1899 is earlier" {
+		t.Error("Wrong error message for ErrNotAllowedDate")
+	}
+}
+
+func TestErrDateInFuture(t *testing.T) {
+	date, _ := time.Parse("02.04.2006", "01.01.3000")
+	x := &rnokpp.ErrDateInFuture{Date: date}
+
+	if x.Error() != "it is allowed to use only dates in past or current date, but your date is in the future 01.01.3000" {
+		t.Error("Wrong error message for ErrDateInFuture")
+	}
+}

rnokpp.go

@@ -108,13 +108,13 @@ func GetGender(rnokpp string) (*Gender, error) {
 // GenerateRnokpp generates a valid RNOKPP by date and gender
 func GenerateRnokpp(date time.Time, gender Gender) (rnokpp string, err error) {
 	if date.Before(internal.BaseDate) {
-		err = &ErrNotAllowedDate{date: date}
+		err = &ErrNotAllowedDate{Date: date}
 
 		return
 	}
 
 	if date.After(time.Now()) {
-		err = &ErrDateInFuture{date: date}
+		err = &ErrDateInFuture{Date: date}
 
 		return
 	}