// ValidateStoreCode checks if a store code is valid. Returns an ErrStoreCodeInvalid if the
// first letter is not a-zA-Z and followed by a-zA-Z0-9_ or store code length is greater than 32 characters.
func ValidateStoreCode(c string) error {
if c == "" || len(c) > 32 {
return ErrStoreCodeInvalid
}
c1 := c[0]
if false == ((c1 >= 'a' && c1 <= 'z') || (c1 >= 'A' && c1 <= 'Z')) {
return ErrStoreCodeInvalid
}
if false == utils.IsAlphaNumeric(c) {
return ErrStoreCodeInvalid
}
return nil
}
// IsAlphaNumeric returns true if a string consists of characters a-zA-Z0-9_
func TestIsAlphaNumeric(t *testing.T) {
tests := []struct {
have string
want bool
}{
{"Hello World", false},
{"HelloWorld", true},
{"Hello1World", true},
{"Hello0123456789", true},
{"Hello0123456789€", false},
{" Hello0123456789", false},
}
for _, test := range tests {
assert.True(t, utils.IsAlphaNumeric(test.have) == test.want, "%#v", test)
}
}
// BenchmarkIsAlphaNumeric 10000000 132 ns/op 0 B/op 0 allocs/op
func BenchmarkIsAlphaNumeric(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
benchIsAlphaNumeric = utils.IsAlphaNumeric("Hello1WorldOfGophers")
}
}