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package com.zeapo.pwdstore.utils
import org.junit.Test
import kotlin.test.assertEquals
import kotlin.test.assertNotNull
import kotlin.test.assertNull
class OtpTest {
@Test
fun testOtpGeneration6Digits() {
assertEquals("953550", Otp.calculateCode("JBSWY3DPEHPK3PXP", 1593333298159 / (1000 * 30), "SHA1", "6"))
assertEquals("275379", Otp.calculateCode("JBSWY3DPEHPK3PXP", 1593333571918 / (1000 * 30), "SHA1", "6"))
assertEquals("867507", Otp.calculateCode("JBSWY3DPEHPK3PXP", 1593333600517 / (1000 * 57), "SHA1", "6"))
}
@Test
fun testOtpGeneration10Digits() {
assertEquals("0740900914", Otp.calculateCode("JBSWY3DPEHPK3PXP", 1593333655044 / (1000 * 30), "SHA1", "10"))
assertEquals("0070632029", Otp.calculateCode("JBSWY3DPEHPK3PXP", 1593333691405 / (1000 * 30), "SHA1", "10"))
assertEquals("1017265882", Otp.calculateCode("JBSWY3DPEHPK3PXP", 1593333728893 / (1000 * 83), "SHA1", "10"))
}
@Test
fun testOtpGenerationIllegalInput() {
assertNull(Otp.calculateCode("JBSWY3DPEHPK3PXP", 10000, "SHA0", "10"))
assertNull(Otp.calculateCode("JBSWY3DPEHPK3PXP", 10000, "SHA1", "a"))
assertNull(Otp.calculateCode("JBSWY3DPEHPK3PXP", 10000, "SHA1", "5"))
assertNull(Otp.calculateCode("JBSWY3DPEHPK3PXP", 10000, "SHA1", "11"))
assertNull(Otp.calculateCode("JBSWY3DPEHPK3PXPAAAAB", 10000, "SHA1", "6"))
}
@Test
fun testOtpGenerationUnusualSecrets() {
assertEquals("127764", Otp.calculateCode("JBSWY3DPEHPK3PXPAAAAAAAA", 1593367111963 / (1000 * 30), "SHA1", "6"))
assertEquals("047515", Otp.calculateCode("JBSWY3DPEHPK3PXPAAAAA", 1593367171420 / (1000 * 30), "SHA1", "6"))
}
@Test
fun testOtpGenerationUnpaddedSecrets() {
// Secret was generated with `echo 'string with some padding needed' | base32`
// We don't care for the resultant OTP's actual value, we just want both the padded and
// unpadded variant to generate the same one.
val unpaddedOtp = Otp.calculateCode("ON2HE2LOM4QHO2LUNAQHG33NMUQHAYLEMRUW4ZZANZSWKZDFMQFA", 1593367171420 / (1000 * 30), "SHA1", "6")
val paddedOtp = Otp.calculateCode("ON2HE2LOM4QHO2LUNAQHG33NMUQHAYLEMRUW4ZZANZSWKZDFMQFA====", 1593367171420 / (1000 * 30), "SHA1", "6")
assertNotNull(unpaddedOtp)
assertNotNull(paddedOtp)
assertEquals(unpaddedOtp, paddedOtp)
}
}
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