Files
snort/packages/system-wasm/src/diff.rs

191 lines
4.7 KiB
Rust

use crate::FlatReqFilter;
use itertools::Itertools;
pub fn diff_filter(prev: &Vec<FlatReqFilter>, next: &Vec<FlatReqFilter>) -> Vec<FlatReqFilter> {
let mut added: Vec<FlatReqFilter> = vec![];
for n in next.iter() {
if !prev.iter().contains(&n) {
added.push(n.clone())
}
}
added
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn simple_diff_same() {
let prev = vec![FlatReqFilter {
id: Some("a".to_owned()),
author: None,
kind: None,
e_tag: None,
p_tag: None,
t_tag: None,
d_tag: None,
r_tag: None,
a_tag: None,
g_tag: None,
search: None,
since: None,
until: None,
limit: None,
}];
let next = vec![FlatReqFilter {
id: Some("a".to_owned()),
author: None,
kind: None,
e_tag: None,
p_tag: None,
t_tag: None,
d_tag: None,
r_tag: None,
a_tag: None,
g_tag: None,
search: None,
since: None,
until: None,
limit: None,
}];
let result = diff_filter(&prev, &next);
assert_eq!(result, vec![])
}
#[test]
fn simple_diff_add() {
let prev = vec![FlatReqFilter {
id: Some("a".to_owned()),
author: None,
kind: None,
e_tag: None,
p_tag: None,
t_tag: None,
d_tag: None,
r_tag: None,
a_tag: None,
g_tag: None,
search: None,
since: None,
until: None,
limit: None,
}];
let next = vec![
FlatReqFilter {
id: Some("a".to_owned()),
author: None,
kind: None,
e_tag: None,
p_tag: None,
t_tag: None,
d_tag: None,
r_tag: None,
a_tag: None,
g_tag: None,
search: None,
since: None,
until: None,
limit: None,
},
FlatReqFilter {
id: Some("b".to_owned()),
author: None,
kind: None,
e_tag: None,
p_tag: None,
t_tag: None,
d_tag: None,
r_tag: None,
a_tag: None,
g_tag: None,
search: None,
since: None,
until: None,
limit: None,
},
];
let result = diff_filter(&prev, &next);
assert_eq!(
result,
vec![FlatReqFilter {
id: Some("b".to_owned()),
author: None,
kind: None,
e_tag: None,
p_tag: None,
t_tag: None,
d_tag: None,
r_tag: None,
a_tag: None,
g_tag: None,
search: None,
since: None,
until: None,
limit: None,
}]
)
}
#[test]
fn simple_diff_replace() {
let prev = vec![FlatReqFilter {
id: Some("a".to_owned()),
author: None,
kind: None,
e_tag: None,
p_tag: None,
t_tag: None,
d_tag: None,
r_tag: None,
a_tag: None,
g_tag: None,
search: None,
since: None,
until: None,
limit: None,
}];
let next = vec![FlatReqFilter {
id: Some("b".to_owned()),
author: None,
kind: None,
e_tag: None,
p_tag: None,
t_tag: None,
d_tag: None,
r_tag: None,
a_tag: None,
g_tag: None,
search: None,
since: None,
until: None,
limit: None,
}];
let result = diff_filter(&prev, &next);
assert_eq!(
result,
vec![FlatReqFilter {
id: Some("b".to_owned()),
author: None,
kind: None,
e_tag: None,
p_tag: None,
t_tag: None,
d_tag: None,
r_tag: None,
a_tag: None,
g_tag: None,
search: None,
since: None,
until: None,
limit: None,
}]
)
}
}