mod cmp_oid { use std::cmp::Ordering; use git_testtools::hex_to_id; #[test] fn it_detects_inequality() { let prefix = git_hash::Prefix::new(hex_to_id("b920bbb055e1efb9080592a409d3975738b6efb3"), 7).unwrap(); assert_eq!( prefix.cmp_oid(&hex_to_id("a920bbb055e1efb9080592a409d3975738b6efb3")), Ordering::Greater ); assert_eq!( prefix.cmp_oid(&hex_to_id("b920bbf055e1efb9080592a409d3975738b6efb3")), Ordering::Less ); assert_eq!(prefix.to_string(), "b920bbb"); } #[test] fn it_detects_equality() { let id = hex_to_id("a920bbb055e1efb9080592a409d3975738b6efb3"); let prefix = git_hash::Prefix::new(id, 6).unwrap(); assert_eq!(prefix.cmp_oid(&id), Ordering::Equal); assert_eq!( prefix.cmp_oid(&hex_to_id("a920bbffffffffffffffffffffffffffffffffff")), Ordering::Equal ); assert_eq!(prefix.to_string(), "a920bb"); }} mod new { use std::cmp::Ordering; use git_hash::{Kind, ObjectId}; use git_testtools::hex_to_id; #[test] fn various_valid_inputs() { let oid_hex = "abcdefabcdefabcdefabcdefabcdefabcdefabcd"; let oid = hex_to_id(oid_hex); for hex_len in 4..oid.kind().len_in_hex() { let mut expected = String::from(&oid_hex[..hex_len]); let num_of_zeros = oid.kind().len_in_hex() - hex_len; expected.extend(std::iter::repeat('0').take(num_of_zeros)); let prefix = git_hash::Prefix::new(oid, hex_len).unwrap(); assert_eq!(prefix.as_oid().to_hex().to_string(), expected, "{}", hex_len); assert_eq!(prefix.hex_len(), hex_len); assert_eq!(prefix.cmp_oid(&oid), Ordering::Equal); } } #[test] fn errors_if_hex_len_is_longer_than_oid_len_in_hex() { let kind = Kind::Sha1; assert!(matches!( git_hash::Prefix::new(ObjectId::null(kind), kind.len_in_hex() + 1), Err(git_hash::prefix::Error::TooLong { .. }) )); } #[test] fn errors_if_hex_len_is_too_short() { let kind = Kind::Sha1; assert!(matches!( git_hash::Prefix::new(ObjectId::null(kind), 3), Err(git_hash::prefix::Error::TooShort { .. }) )); }} mod try_from { use std::{cmp::Ordering, convert::TryFrom}; use git_hash::{prefix::from_hex::Error, Prefix}; use git_testtools::hex_to_id; #[test] fn id_8_chars() { let oid_hex = "abcdefabcdefabcdefabcdefabcdefabcdefabcd"; let input = "abcdef"; let expected = hex_to_id(oid_hex); let actual = Prefix::try_from(input).expect("No errors"); assert_eq!(actual.cmp_oid(&expected), Ordering::Equal); } #[test] fn id_9_chars() { let oid_hex = "abcdefabcdefabcdefabcdefabcdefabcdefabcd"; let input = "abcdefa"; let expected = hex_to_id(oid_hex); let actual = Prefix::try_from(input).expect("No errors"); assert_eq!(actual.cmp_oid(&expected), Ordering::Equal); } #[test] fn id_to_short() { let input = "ab"; let expected = Error::TooShort { hex_len: 2 }; let actual = Prefix::try_from(input).unwrap_err(); assert_eq!(actual, expected); } #[test] fn id_to_long() { let input = "abcdefabcdefabcdefabcdefabcdefabcdefabcd123123123123123123"; let expected = Error::TooLong { hex_len: 58 }; let actual = Prefix::try_from(input).unwrap_err(); assert_eq!(actual, expected); } #[test] fn invalid_chars() { let input = "abcdfOsd"; let expected = Error::Invalid { c: 'O', index: 5 }; let actual = Prefix::try_from(input).unwrap_err(); assert_eq!(actual, expected); }}
mod cmp_oid {
use std::cmp::Ordering;
use git_testtools::hex_to_id;
#[test]
fn it_detects_inequality() {
let prefix = git_hash::Prefix::new(hex_to_id("b920bbb055e1efb9080592a409d3975738b6efb3"), 7).unwrap();
assert_eq!(
prefix.cmp_oid(&hex_to_id("a920bbb055e1efb9080592a409d3975738b6efb3")),
Ordering::Greater
);
assert_eq!(
prefix.cmp_oid(&hex_to_id("b920bbf055e1efb9080592a409d3975738b6efb3")),
Ordering::Less
);
assert_eq!(prefix.to_string(), "b920bbb");
}
#[test]
fn it_detects_equality() {
let id = hex_to_id("a920bbb055e1efb9080592a409d3975738b6efb3");
let prefix = git_hash::Prefix::new(id, 6).unwrap();
assert_eq!(prefix.cmp_oid(&id), Ordering::Equal);
assert_eq!(
prefix.cmp_oid(&hex_to_id("a920bbffffffffffffffffffffffffffffffffff")),
Ordering::Equal
);
assert_eq!(prefix.to_string(), "a920bb");
}
}
mod new {
use std::cmp::Ordering;
use git_hash::{Kind, ObjectId};
use git_testtools::hex_to_id;
#[test]
fn various_valid_inputs() {
let oid_hex = "abcdefabcdefabcdefabcdefabcdefabcdefabcd";
let oid = hex_to_id(oid_hex);
for hex_len in 4..oid.kind().len_in_hex() {
let mut expected = String::from(&oid_hex[..hex_len]);
let num_of_zeros = oid.kind().len_in_hex() - hex_len;
expected.extend(std::iter::repeat('0').take(num_of_zeros));
let prefix = git_hash::Prefix::new(oid, hex_len).unwrap();
assert_eq!(prefix.as_oid().to_hex().to_string(), expected, "{}", hex_len);
assert_eq!(prefix.hex_len(), hex_len);
assert_eq!(prefix.cmp_oid(&oid), Ordering::Equal);
}
}
#[test]
fn errors_if_hex_len_is_longer_than_oid_len_in_hex() {
let kind = Kind::Sha1;
assert!(matches!(
git_hash::Prefix::new(ObjectId::null(kind), kind.len_in_hex() + 1),
Err(git_hash::prefix::Error::TooLong { .. })
));
}
#[test]
fn errors_if_hex_len_is_too_short() {
let kind = Kind::Sha1;
assert!(matches!(
git_hash::Prefix::new(ObjectId::null(kind), 3),
Err(git_hash::prefix::Error::TooShort { .. })
));
}
}
mod try_from {
use std::{cmp::Ordering, convert::TryFrom};
use git_hash::{prefix::from_hex::Error, Prefix};
use git_testtools::hex_to_id;
#[test]
fn id_8_chars() {
let oid_hex = "abcdefabcdefabcdefabcdefabcdefabcdefabcd";
let input = "abcdef";
let expected = hex_to_id(oid_hex);
let actual = Prefix::try_from(input).expect("No errors");
assert_eq!(actual.cmp_oid(&expected), Ordering::Equal);
}
#[test]
fn id_9_chars() {
let oid_hex = "abcdefabcdefabcdefabcdefabcdefabcdefabcd";
let input = "abcdefa";
let expected = hex_to_id(oid_hex);
let actual = Prefix::try_from(input).expect("No errors");
assert_eq!(actual.cmp_oid(&expected), Ordering::Equal);
}
#[test]
fn id_to_short() {
let input = "ab";
let expected = Error::TooShort { hex_len: 2 };
let actual = Prefix::try_from(input).unwrap_err();
assert_eq!(actual, expected);
}
#[test]
fn id_to_long() {
let input = "abcdefabcdefabcdefabcdefabcdefabcdefabcd123123123123123123";
let expected = Error::TooLong { hex_len: 58 };
let actual = Prefix::try_from(input).unwrap_err();
assert_eq!(actual, expected);
}
#[test]
fn invalid_chars() {
let input = "abcdfOsd";
let expected = Error::Invalid { c: 'O', index: 5 };
let actual = Prefix::try_from(input).unwrap_err();
assert_eq!(actual, expected);
}
}