fix: floating point arithmetic is shaky
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https://floating-point-gui.de/
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3 changed files with 530 additions and 128 deletions
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|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c9c3bcd00383608992fd3e960f0a6e93a3b1e98218451aa1ca05a44505e5d52a"
|
||||||
|
dependencies = [
|
||||||
|
"quote",
|
||||||
|
"rust_decimal",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "ryu"
|
||||||
|
version = "1.0.15"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "seahash"
|
||||||
|
version = "4.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1c107b6f4780854c8b126e228ea8869f4d7b71260f962fefb57b996b8959ba6b"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "serde"
|
name = "serde"
|
||||||
version = "1.0.183"
|
version = "1.0.183"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "32ac8da02677876d532745a130fc9d8e6edfa81a269b107c5b00829b91d8eb3c"
|
checksum = "32ac8da02677876d532745a130fc9d8e6edfa81a269b107c5b00829b91d8eb3c"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "serde_json"
|
||||||
|
version = "1.0.105"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "693151e1ac27563d6dbcec9dee9fbd5da8539b20fa14ad3752b2e6d363ace360"
|
||||||
|
dependencies = [
|
||||||
|
"itoa",
|
||||||
|
"ryu",
|
||||||
|
"serde",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "simdutf8"
|
||||||
|
version = "0.1.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f27f6278552951f1f2b8cf9da965d10969b2efdea95a6ec47987ab46edfe263a"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "split"
|
name = "split"
|
||||||
version = "0.1.0"
|
version = "0.1.0"
|
||||||
dependencies = [
|
dependencies = [
|
||||||
|
"rust_decimal",
|
||||||
|
"rust_decimal_macros",
|
||||||
"uuid",
|
"uuid",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "1.0.109"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "72b64191b275b66ffe2469e8af2c1cfe3bafa67b529ead792a6d0160888b4237"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-ident",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tap"
|
||||||
|
version = "1.0.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tinyvec"
|
||||||
|
version = "1.6.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
|
||||||
|
dependencies = [
|
||||||
|
"tinyvec_macros",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tinyvec_macros"
|
||||||
|
version = "0.1.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "toml"
|
||||||
|
version = "0.5.11"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
|
||||||
|
dependencies = [
|
||||||
|
"serde",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-ident"
|
||||||
|
version = "1.0.11"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "301abaae475aa91687eb82514b328ab47a211a533026cb25fc3e519b86adfc3c"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "uuid"
|
name = "uuid"
|
||||||
version = "1.4.1"
|
version = "1.4.1"
|
||||||
|
|
@ -48,8 +449,23 @@ dependencies = [
|
||||||
"serde",
|
"serde",
|
||||||
]
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "version_check"
|
||||||
|
version = "0.9.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
|
||||||
|
|
||||||
[[package]]
|
[[package]]
|
||||||
name = "wasi"
|
name = "wasi"
|
||||||
version = "0.11.0+wasi-snapshot-preview1"
|
version = "0.11.0+wasi-snapshot-preview1"
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "wyz"
|
||||||
|
version = "0.5.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
|
||||||
|
dependencies = [
|
||||||
|
"tap",
|
||||||
|
]
|
||||||
|
|
|
||||||
|
|
@ -12,4 +12,6 @@ edition = "2021"
|
||||||
#build = "build.rs"
|
#build = "build.rs"
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
|
rust_decimal = "1.31.0"
|
||||||
|
rust_decimal_macros = "1.31.0"
|
||||||
uuid = { version = "1.4.1", features = ["v4", "serde"] }
|
uuid = { version = "1.4.1", features = ["v4", "serde"] }
|
||||||
|
|
|
||||||
240
src/lib.rs
240
src/lib.rs
|
|
@ -17,18 +17,16 @@
|
||||||
use std::collections::HashMap;
|
use std::collections::HashMap;
|
||||||
use std::rc::Rc;
|
use std::rc::Rc;
|
||||||
|
|
||||||
|
use rust_decimal::prelude::*;
|
||||||
|
use rust_decimal_macros::dec;
|
||||||
use uuid::Uuid;
|
use uuid::Uuid;
|
||||||
|
|
||||||
pub trait Purchasable {
|
pub trait Purchasable {
|
||||||
fn cost(&self) -> f64;
|
fn cost(&self) -> Decimal;
|
||||||
fn name(&self) -> &str;
|
fn name(&self) -> &str;
|
||||||
fn paid_by(&self) -> Rc<dyn Actor>;
|
fn paid_by(&self) -> Rc<dyn Actor>;
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn money_owned(splits: &[Split]) {
|
|
||||||
for split in splits.iter() {}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Clone)]
|
#[derive(Clone)]
|
||||||
pub struct Split {
|
pub struct Split {
|
||||||
purchase: Rc<dyn Purchasable>,
|
purchase: Rc<dyn Purchasable>,
|
||||||
|
|
@ -36,68 +34,78 @@ pub struct Split {
|
||||||
parties: Vec<Rc<dyn Actor>>,
|
parties: Vec<Rc<dyn Actor>>,
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
//#[derive(Clone)]
|
|
||||||
//pub struct Split {
|
|
||||||
// shares: ShareHashMap,
|
|
||||||
// paid_by: Rc<dyn Actor>,
|
|
||||||
//}
|
|
||||||
|
|
||||||
impl Split {
|
impl Split {
|
||||||
pub fn new(purchase: Rc<dyn Purchasable>, split_strategy: SplitStrategy, parties: Vec<Rc<dyn Actor>>) -> Self {
|
pub fn new(
|
||||||
|
purchase: Rc<dyn Purchasable>,
|
||||||
|
split_strategy: SplitStrategy,
|
||||||
|
parties: Vec<Rc<dyn Actor>>,
|
||||||
|
) -> Self {
|
||||||
Self {
|
Self {
|
||||||
split_strategy, parties, purchase
|
split_strategy,
|
||||||
|
parties,
|
||||||
|
purchase,
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// pub fn iter(&self) -> SplitIter {
|
pub fn money_owed(&self) -> ShareHashMap {
|
||||||
// let iter = self.shares.iter();
|
match &self.split_strategy {
|
||||||
// let paid_by = self.paid_by;
|
SplitStrategy::Unequal(shares) => {
|
||||||
// SplitIter { iter, paid_by}
|
let mut s = shares.clone();
|
||||||
// }
|
let payer = self.purchase.paid_by();
|
||||||
//
|
if let Some((_, money)) = s.get_mut(payer.name()) {
|
||||||
// pub fn insert(&mut self, actor: Rc<dyn Actor>, amount: f64) {
|
*money = dec!(0.0);
|
||||||
// let name = actor.name().to_owned();
|
}
|
||||||
// self.shares.insert(name, (actor, amount));
|
s
|
||||||
// }
|
}
|
||||||
|
SplitStrategy::Equal => {
|
||||||
|
let mut shares = ShareHashMap::default();
|
||||||
|
let cost = self.purchase.cost();
|
||||||
|
let total_parties = Decimal::new(self.parties.len() as i64, 0);
|
||||||
|
for actor in self.parties.iter() {
|
||||||
|
if *actor == self.purchase.paid_by() {
|
||||||
|
shares.insert(actor.name().to_owned(), (actor.clone(), dec!(0.00)));
|
||||||
|
} else {
|
||||||
|
shares.insert(
|
||||||
|
actor.name().to_owned(),
|
||||||
|
(actor.clone(), cost / total_parties),
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
pub fn get(&mut self, actor: Rc<dyn Actor>) -> Option<f64> {
|
shares
|
||||||
|
}
|
||||||
|
SplitStrategy::Shares(c) => {
|
||||||
|
let mut shares = ShareHashMap::default();
|
||||||
|
let cost = self.purchase.cost();
|
||||||
|
for (actor_name, (actor, share)) in c.iter() {
|
||||||
|
//if actor.name() == split.purchase.paid_by().name() {
|
||||||
|
if *actor == self.purchase.paid_by() {
|
||||||
|
shares.insert(actor_name.clone(), (actor.clone(), dec!(0.00)));
|
||||||
|
} else {
|
||||||
|
shares.insert(actor_name.clone(), (actor.clone(), cost * share));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
shares
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pub fn get(&mut self, actor: Rc<dyn Actor>) -> Option<Decimal> {
|
||||||
unimplemented!();
|
unimplemented!();
|
||||||
// if let Some((_actor, cost)) = self.shares.get(actor.name()) {
|
// if let Some((_actor, cost)) = self.shares.get(actor.name()) {
|
||||||
// Some(*cost)
|
// Some(*cost)
|
||||||
// } else {
|
// } else {
|
||||||
// None
|
// None
|
||||||
// }
|
// }
|
||||||
}
|
}
|
||||||
}
|
|
||||||
|
|
||||||
//pub struct SplitIter<'a> {
|
|
||||||
// iter: std::collections::hash_map::Iter<'a, String, (Rc<dyn Actor>, f64)>,
|
|
||||||
// paid_by: Rc<dyn Actor>,
|
|
||||||
//}
|
|
||||||
//
|
|
||||||
//impl<'a> Iterator for SplitIter<'a> {
|
|
||||||
// type Item = (Rc<dyn Actor>, f64);
|
|
||||||
//
|
|
||||||
// fn next(&mut self) -> Option<Self::Item> {
|
|
||||||
// if let Some((_, (actor, cost))) = self.iter.next() {
|
|
||||||
// Some((actor.clone(), *cost))
|
|
||||||
// } else {
|
|
||||||
// None
|
|
||||||
// }
|
|
||||||
// }
|
|
||||||
//}
|
|
||||||
|
|
||||||
impl Split {
|
|
||||||
pub fn validate(&self) -> bool {
|
pub fn validate(&self) -> bool {
|
||||||
self.split_strategy.validate(&self)
|
self.split_strategy.validate(self.purchase.as_ref())
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
// key is a string for getting Eq and PartialEq w object safety
|
// key is a string for getting Eq and PartialEq w object safety
|
||||||
pub type ShareHashMap = HashMap<String, (Rc<dyn Actor>, f64)>;
|
pub type ShareHashMap = HashMap<String, (Rc<dyn Actor>, Decimal)>;
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* SPLITTING STRATEGIES:
|
* SPLITTING STRATEGIES:
|
||||||
|
|
@ -113,74 +121,35 @@ pub enum SplitStrategy {
|
||||||
}
|
}
|
||||||
|
|
||||||
impl SplitStrategy {
|
impl SplitStrategy {
|
||||||
pub fn validate(&self, split: &Split) -> bool {
|
fn validate(&self, purchase: &dyn Purchasable) -> bool {
|
||||||
match self {
|
match self {
|
||||||
SplitStrategy::Unequal(shares) => {
|
SplitStrategy::Unequal(shares) => {
|
||||||
let mut total = 0.00;
|
let mut total = dec!(0.00);
|
||||||
for (_actor_str, (_actor_obj, share)) in shares.iter() {
|
for (_actor_str, (_actor_obj, share)) in shares.iter() {
|
||||||
total += share;
|
total += share;
|
||||||
}
|
}
|
||||||
|
|
||||||
let cost = split.purchase.cost();
|
let cost = purchase.cost();
|
||||||
println!("Unequal sharing: expected {cost} got {total}");
|
println!("Unequal sharing: expected {cost} got {total}");
|
||||||
total == cost
|
total == cost
|
||||||
}
|
}
|
||||||
SplitStrategy::Shares(shares) => {
|
SplitStrategy::Shares(shares) => {
|
||||||
let mut total = 0.00;
|
let mut total = dec!(0.00);
|
||||||
let cost = split.purchase.cost();
|
let cost = purchase.cost();
|
||||||
let mut total_shares = 0.00;
|
let mut total_shares = dec!(0.00);
|
||||||
for (_actor_str, (_actor_obj, share)) in shares.iter() {
|
for (_actor_str, (_actor_obj, share)) in shares.iter() {
|
||||||
total_shares += share;
|
total_shares += share;
|
||||||
total += cost * share;
|
total += cost * share;
|
||||||
|
println!("Shares: {:?}, total: {total_shares}", share);
|
||||||
}
|
}
|
||||||
|
|
||||||
println!("Unequal sharing: expected shares 1 got {total_shares}");
|
println!("Unequal sharing: expected shares 1 got {total_shares}");
|
||||||
println!("Unequal sharing: expected {cost} got {total}");
|
println!("Unequal sharing: expected {cost} got {total}");
|
||||||
total_shares == 1.00 && total == cost
|
total_shares == dec!(1.00) && total == cost
|
||||||
}
|
}
|
||||||
SplitStrategy::Equal => true,
|
SplitStrategy::Equal => true,
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
pub fn money_owed(&self, split: &Split) -> ShareHashMap {
|
|
||||||
match self {
|
|
||||||
SplitStrategy::Unequal(shares) => {
|
|
||||||
let mut s = shares.clone();
|
|
||||||
let payer = split.purchase.paid_by();
|
|
||||||
if let Some((_,money)) = s.get_mut(payer.name()) {
|
|
||||||
*money = 0.0;
|
|
||||||
}
|
|
||||||
s
|
|
||||||
|
|
||||||
}
|
|
||||||
SplitStrategy::Equal => {
|
|
||||||
let mut shares = ShareHashMap::default();
|
|
||||||
let cost = split.purchase.cost();
|
|
||||||
for actor in split.parties.iter() {
|
|
||||||
if *actor == split.purchase.paid_by() {
|
|
||||||
shares.insert(actor.name().to_owned(), (actor.clone(), 0.00));
|
|
||||||
} else {
|
|
||||||
shares.insert(actor.name().to_owned(), (actor.clone(), cost / split.parties.len() as f64));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
shares
|
|
||||||
}
|
|
||||||
SplitStrategy::Shares(c) => {
|
|
||||||
let mut shares = ShareHashMap::default();
|
|
||||||
let cost = split.purchase.cost();
|
|
||||||
for (actor_name,(actor, share)) in c.iter() {
|
|
||||||
//if actor.name() == split.purchase.paid_by().name() {
|
|
||||||
if *actor == split.purchase.paid_by() {
|
|
||||||
shares.insert(actor_name.clone(), (actor.clone(), 0.00));
|
|
||||||
} else {
|
|
||||||
shares.insert(actor_name.clone(), (actor.clone(), cost * share));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
shares
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
||||||
pub trait Actor {
|
pub trait Actor {
|
||||||
|
|
@ -209,7 +178,12 @@ impl Person {
|
||||||
let owes = Vec::default();
|
let owes = Vec::default();
|
||||||
let spent = Vec::default();
|
let spent = Vec::default();
|
||||||
|
|
||||||
Self { name, spent, owes, id}
|
Self {
|
||||||
|
name,
|
||||||
|
spent,
|
||||||
|
owes,
|
||||||
|
id,
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
@ -234,23 +208,22 @@ impl Actor for Person {
|
||||||
fn id(&self) -> &Uuid {
|
fn id(&self) -> &Uuid {
|
||||||
&self.id
|
&self.id
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
pub struct Item {
|
pub struct Item {
|
||||||
cost: f64,
|
cost: Decimal,
|
||||||
name: String,
|
name: String,
|
||||||
payer: Rc<dyn Actor>,
|
payer: Rc<dyn Actor>,
|
||||||
}
|
}
|
||||||
|
|
||||||
impl Item {
|
impl Item {
|
||||||
pub fn new(name: String, cost: f64, payer: Rc<dyn Actor>) -> Self {
|
pub fn new(name: String, cost: Decimal, payer: Rc<dyn Actor>) -> Self {
|
||||||
Self { cost, name, payer }
|
Self { cost, name, payer }
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
impl Purchasable for Item {
|
impl Purchasable for Item {
|
||||||
fn cost(&self) -> f64 {
|
fn cost(&self) -> Decimal {
|
||||||
self.cost
|
self.cost
|
||||||
}
|
}
|
||||||
fn name(&self) -> &str {
|
fn name(&self) -> &str {
|
||||||
|
|
@ -278,7 +251,7 @@ mod tests {
|
||||||
let person3: Rc<dyn Actor> = Rc::new(Person::new("person3".into(), Uuid::new_v4()));
|
let person3: Rc<dyn Actor> = Rc::new(Person::new("person3".into(), Uuid::new_v4()));
|
||||||
let person4: Rc<dyn Actor> = Rc::new(Person::new("person4".into(), Uuid::new_v4()));
|
let person4: Rc<dyn Actor> = Rc::new(Person::new("person4".into(), Uuid::new_v4()));
|
||||||
|
|
||||||
let item = Item::new("test item".into(), 240.00, person1.clone());
|
let item = Item::new("test item".into(), dec!(240.00), person1.clone());
|
||||||
let actors = vec![
|
let actors = vec![
|
||||||
person1.clone(),
|
person1.clone(),
|
||||||
person2.clone(),
|
person2.clone(),
|
||||||
|
|
@ -286,37 +259,39 @@ mod tests {
|
||||||
person4.clone(),
|
person4.clone(),
|
||||||
];
|
];
|
||||||
|
|
||||||
|
|
||||||
// equal split
|
// equal split
|
||||||
let strategy = SplitStrategy::Equal;
|
let strategy = SplitStrategy::Equal;
|
||||||
|
|
||||||
let mut split = Split::new(Rc::new(item), strategy, actors);
|
let mut split = Split::new(Rc::new(item), strategy, actors);
|
||||||
assert!(split.split_strategy.validate(&split));
|
assert!(split.validate());
|
||||||
let dues = split.split_strategy.money_owed(&split);
|
let dues = split.money_owed();
|
||||||
for (_actor_name,(actor, due)) in dues.iter() {
|
for (_actor_name, (actor, due)) in dues.iter() {
|
||||||
if split.purchase.paid_by().name() == actor.name() {
|
if split.purchase.paid_by().name() == actor.name() {
|
||||||
assert_eq!(*due, 0.00);
|
assert_eq!(*due, dec!(0.00));
|
||||||
} else {
|
} else {
|
||||||
assert_eq!(*due, split.purchase.cost() / split.parties.len() as f64);
|
assert_eq!(
|
||||||
|
*due,
|
||||||
|
split.purchase.cost() / Decimal::new(split.parties.len() as i64, 0)
|
||||||
|
);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// share split
|
// share split
|
||||||
let mut shares = ShareHashMap::default();
|
let mut shares = ShareHashMap::default();
|
||||||
shares.insert(person1.name().to_owned(), (person1.clone(), 0.3));
|
shares.insert(person1.name().to_owned(), (person1.clone(), dec!(0.3)));
|
||||||
shares.insert(person2.name().to_owned(), (person2.clone(), 0.4));
|
shares.insert(person2.name().to_owned(), (person2.clone(), dec!(0.4)));
|
||||||
shares.insert(person3.name().to_owned(), (person3.clone(), 0.2));
|
shares.insert(person3.name().to_owned(), (person3.clone(), dec!(0.2)));
|
||||||
shares.insert(person4.name().to_owned(), (person4.clone(), 0.1));
|
shares.insert(person4.name().to_owned(), (person4.clone(), dec!(0.1)));
|
||||||
let strategy = SplitStrategy::Shares(shares.clone());
|
let strategy = SplitStrategy::Shares(shares.clone());
|
||||||
|
|
||||||
split.split_strategy = strategy;
|
split.split_strategy = strategy;
|
||||||
assert!(split.split_strategy.validate(&split));
|
assert!(split.validate());
|
||||||
|
|
||||||
let dues = split.split_strategy.money_owed(&split);
|
let dues = split.money_owed();
|
||||||
for (actor_name, (actor, due)) in dues.iter() {
|
for (actor_name, (actor, due)) in dues.iter() {
|
||||||
println!("Testing for actor: {actor_name} with due: {due}");
|
println!("Testing for actor: {actor_name} with due: {due}");
|
||||||
if split.purchase.paid_by().name() == actor.name() {
|
if split.purchase.paid_by().name() == actor.name() {
|
||||||
assert_eq!(*due, 0.00);
|
assert_eq!(*due, dec!(0.00));
|
||||||
} else {
|
} else {
|
||||||
let (_, share) = shares.get(actor_name).unwrap();
|
let (_, share) = shares.get(actor_name).unwrap();
|
||||||
assert_eq!(*due, split.purchase.cost() * *share);
|
assert_eq!(*due, split.purchase.cost() * *share);
|
||||||
|
|
@ -325,15 +300,24 @@ mod tests {
|
||||||
|
|
||||||
// Unequal split
|
// Unequal split
|
||||||
let mut shares = ShareHashMap::default();
|
let mut shares = ShareHashMap::default();
|
||||||
shares.insert(person1.name().to_owned(), (person1.clone(), 0.3 * split.purchase.cost()));
|
shares.insert(
|
||||||
shares.insert(person2.name().to_owned(), (person2.clone(), 0.4 * split.purchase.cost()));
|
person1.name().to_owned(),
|
||||||
shares.insert(person3.name().to_owned(), (person3.clone(), 0.2 * split.purchase.cost()));
|
(person1.clone(), dec!(0.3) * split.purchase.cost()),
|
||||||
shares.insert(person4.name().to_owned(), (person4.clone(), 0.1 * split.purchase.cost()));
|
);
|
||||||
|
shares.insert(
|
||||||
|
person2.name().to_owned(),
|
||||||
|
(person2.clone(), dec!(0.4) * split.purchase.cost()),
|
||||||
|
);
|
||||||
|
shares.insert(
|
||||||
|
person3.name().to_owned(),
|
||||||
|
(person3.clone(), dec!(0.2) * split.purchase.cost()),
|
||||||
|
);
|
||||||
|
shares.insert(
|
||||||
|
person4.name().to_owned(),
|
||||||
|
(person4.clone(), dec!(0.1) * split.purchase.cost()),
|
||||||
|
);
|
||||||
let strategy = SplitStrategy::Unequal(shares);
|
let strategy = SplitStrategy::Unequal(shares);
|
||||||
split.split_strategy = strategy;
|
split.split_strategy = strategy;
|
||||||
assert!(split.split_strategy.validate(&split));
|
assert!(split.validate());
|
||||||
|
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue