fingerprint_tests.rs

// Copyright 2022 Pants project contributors (see CONTRIBUTORS.md).
// Licensed under the Apache License, Version 2.0 (see LICENSE).
use crate::Fingerprint;
use serde_test::{assert_ser_tokens, Token};

#[test]
fn from_bytes_unsafe() {
  assert_eq!(
    Fingerprint::from_bytes_unsafe(&[
      0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
      0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
      0xab, 0xab,
    ],),
    Fingerprint([0xab; 32])
  );
}

#[test]
fn from_hex_string() {
  assert_eq!(
    Fingerprint::from_hex_string(
      "0123456789abcdefFEDCBA98765432100000000000000000ffFFfFfFFfFfFFff",
    )
    .unwrap(),
    Fingerprint([
      0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32,
      0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
      0xff, 0xff,
    ],)
  )
}

#[test]
fn from_hex_string_not_long_enough() {
  Fingerprint::from_hex_string("abcd").expect_err("Want err");
}

#[test]
fn from_hex_string_too_long() {
  Fingerprint::from_hex_string("0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0")
    .expect_err("Want err");
}

#[test]
fn from_hex_string_invalid_chars() {
  Fingerprint::from_hex_string("Q123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF")
    .expect_err("Want err");
}

#[test]
fn to_hex() {
  assert_eq!(
    Fingerprint([
      0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32,
      0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
      0xff, 0xff,
    ],)
    .to_hex(),
    "0123456789abcdeffedcba98765432100000000000000000ffffffffffffffff".to_lowercase()
  )
}

#[test]
fn display() {
  let hex = "0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF";
  assert_eq!(
    Fingerprint::from_hex_string(hex).unwrap().to_hex(),
    hex.to_lowercase()
  )
}

#[test]
fn serialize_to_str() {
  let fingerprint = Fingerprint([
    0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  ]);
  assert_ser_tokens(
    &fingerprint,
    &[Token::Str(
      "0123456789abcdeffedcba98765432100000000000000000ffffffffffffffff",
    )],
  );
}