Files
card-to-iban/backend/internal/card/validation_test.go

88 lines
1.5 KiB
Go

package card
import (
"errors"
"testing"
)
func TestValidate(t *testing.T) {
tests := []struct {
name string
number string
wantErr error
}{
{
name: "empty card number",
number: "",
wantErr: ErrCardRequired,
},
{
name: "card number is too short",
number: "123456789",
wantErr: ErrCardLength,
},
{
name: "card number is too long",
number: "12345678901234567",
wantErr: ErrCardLength,
},
{
name: "card number contains letters",
number: "603799ABC4567890",
wantErr: ErrCardNumeric,
},
{
name: "card number contains spaces",
number: "6037 912 3456 78",
wantErr: ErrCardNumeric,
},
{
name: "valid card number structure",
number: "6037991234567890",
wantErr: nil,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
err := Validate(tt.number)
if !errors.Is(err, tt.wantErr) {
t.Errorf("Validate() error = %v, want %v", err, tt.wantErr)
}
})
}
}
func TestMask(t *testing.T) {
tests := []struct {
name string
number string
want string
}{
{
name: "valid card number",
number: "6037997512345678",
want: "603799******5678",
},
{
name: "invalid card number",
number: "603799",
want: "",
},
{
name: "non numeric card number",
number: "603799ABC2345678",
want: "",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := Mask(tt.number); got != tt.want {
t.Errorf("Mask() = %q, want %q", got, tt.want)
}
})
}
}