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Feat: Test for entities #9

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a2ad3c4
tests
malik672 Aug 18, 2024
e9d7c81
changes
malik672 Aug 25, 2024
6863e75
entities_test
malik672 Aug 25, 2024
c98a30a
entities_test
malik672 Aug 25, 2024
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346 changes: 346 additions & 0 deletions src/entities/entities_test.rs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,346 @@
#[cfg(test)]
mod tests {

use crate::entities::{Pair, Route, Trade};
use alloy_primitives::address;
use once_cell::sync::Lazy;
use uniswap_sdk_core::prelude::*;

const CHAIN_ID: u64 = 3;

static WETH9: Lazy<Token> = Lazy::new(|| {
Token::new(
CHAIN_ID,
address!("C02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2"),
18,
Some("WETH".to_string()),
Some("Wrapped Ether".to_string()),
None,
None,
)
});
static DECIMAL_PERMUTATIONS: [[u8; 3]; 3] = [[0, 0, 0], [0, 9, 18], [18, 18, 18]];

fn decimalize(amount: u128, decimals: u8) -> BigInt {
BigInt::from(amount) * BigInt::from(10).pow(decimals as u32)
}

#[test]
fn test_entities() {
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Why don't you use modules and functions to scope unit tests? How is this a unit test?

fn setup_tokens(decimals: &[u8; 3]) -> Vec<Token> {
let addresses: [Address; 3] = [
address!("0000000000000000000000000000000000000001"),
address!("0000000000000000000000000000000000000002"),
address!("0000000000000000000000000000000000000003"),
];

addresses
.iter()
.enumerate()
.map(|(i, &addr)| {
let adde = addr;
Token::new(
CHAIN_ID,
adde,
decimals[i],
Some(format!("TOKEN{}", i + 1)),
None,
None,
None,
)
})
.collect()
}
for decimals in DECIMAL_PERMUTATIONS.iter() {
let tokens = setup_tokens(decimals);

// Test Pair
let pairs = vec![
Pair::new(
CurrencyAmount::from_raw_amount(
tokens[0].clone(),
decimalize(1, tokens[0].decimals),
)
.unwrap(),
CurrencyAmount::from_raw_amount(
tokens[1].clone(),
decimalize(1, tokens[1].decimals),
)
.unwrap(),
)
.unwrap(),
Pair::new(
CurrencyAmount::from_raw_amount(
tokens[1].clone(),
decimalize(1, tokens[1].decimals),
)
.unwrap(),
CurrencyAmount::from_raw_amount(
tokens[2].clone(),
decimalize(1, tokens[2].decimals),
)
.unwrap(),
)
.unwrap(),
Pair::new(
CurrencyAmount::from_raw_amount(
tokens[2].clone(),
decimalize(1, tokens[2].decimals),
)
.unwrap(),
CurrencyAmount::from_raw_amount(
WETH9.clone(),
decimalize(1234, WETH9.decimals),
)
.unwrap(),
)
.unwrap(),
];

// Test Route
let mut route = Route::new(pairs.clone(), tokens[0].clone(), WETH9.clone());
assert_eq!(route.pairs, pairs);
assert_eq!(
route.path,
vec![
tokens[0].clone(),
tokens[1].clone(),
tokens[2].clone(),
WETH9.clone()
]
);
assert_eq!(route.input, tokens[0]);
assert_eq!(route.output, WETH9.clone());

// Test midPrice
let input_amount = CurrencyAmount::from_raw_amount(
route.input.clone(),
decimalize(1, route.input.decimals),
)
.unwrap();
let output_amount = CurrencyAmount::from_raw_amount(
route.output.clone(),
decimalize(1234, route.output.decimals),
)
.unwrap();

assert_eq!(
route
.mid_price()
.unwrap()
.quote(input_amount.clone())
.unwrap(),
output_amount
);
assert_eq!(
route
.mid_price()
.unwrap()
.invert()
.quote(output_amount.clone())
.unwrap(),
input_amount
);

assert_eq!(
route
.mid_price()
.unwrap()
.invert()
.to_significant(5, Rounding::RoundDown)
.unwrap(),
"0.00081037"
);
assert_eq!(
route.mid_price().unwrap().to_fixed(2, Rounding::RoundDown),
"1234.00"
);
assert_eq!(
route
.mid_price()
.unwrap()
.invert()
.to_fixed(8, Rounding::RoundDown),
"0.00081037"
);

// Test Trade
let route = Route::new(
vec![Pair::new(
CurrencyAmount::from_raw_amount(
tokens[1].clone(),
decimalize(5, tokens[1].decimals),
)
.unwrap(),
CurrencyAmount::from_raw_amount(WETH9.clone(), decimalize(10, WETH9.decimals))
.unwrap(),
)
.unwrap()],
tokens[1].clone(),
WETH9.clone(),
);

// TradeType.EXACT_INPUT
let input_amount = CurrencyAmount::from_raw_amount(
tokens[1].clone(),
decimalize(1, tokens[1].decimals),
)
.unwrap();
let expected_output_amount = CurrencyAmount::from_raw_amount(
WETH9.clone(),
BigInt::from_str("1662497915624478906").unwrap(),
)
.unwrap();
let trade =
Trade::new(route.clone(), input_amount.clone(), TradeType::ExactInput).unwrap();

assert_eq!(trade.route, route);
assert_eq!(trade.trade_type, TradeType::ExactInput);
assert_eq!(trade.input_amount, input_amount);
assert_eq!(trade.output_amount, expected_output_amount);

assert_eq!(
trade
.execution_price
.to_significant(18, Rounding::RoundDown)
.unwrap(),
"1.6624979156244789"
);
assert_eq!(
trade
.execution_price
.invert()
.to_significant(18, Rounding::RoundDown)
.unwrap(),
"0.601504513540621865"
);
assert_eq!(
trade
.execution_price
.quote(input_amount.clone())
.unwrap()
.quotient(),
expected_output_amount.quotient()
);
assert_eq!(
trade
.execution_price
.invert()
.quote(expected_output_amount.clone())
.unwrap()
.quotient(),
input_amount.quotient()
);

assert_eq!(
trade
.price_impact
.to_significant(18, Rounding::RoundDown)
.unwrap(),
"16.8751042187760547"
);

// TradeType.EXACT_OUTPUT
let output_amount = CurrencyAmount::from_raw_amount(
WETH9.clone(),
BigInt::from_str("1662497915624478906").unwrap(),
)
.unwrap();
let expected_input_amount = CurrencyAmount::from_raw_amount(
tokens[1].clone(),
decimalize(1, tokens[1].decimals),
)
.unwrap();
let trade =
Trade::new(route.clone(), output_amount.clone(), TradeType::ExactOutput).unwrap();

assert_eq!(trade.route, route);
assert_eq!(trade.trade_type, TradeType::ExactOutput);
assert_eq!(trade.output_amount, output_amount);
assert_eq!(trade.input_amount, expected_input_amount);

assert_eq!(
trade
.execution_price
.to_significant(18, Rounding::RoundDown)
.unwrap(),
"1.6624979156244789"
);
assert_eq!(
trade
.execution_price
.invert()
.to_significant(18, Rounding::RoundDown)
.unwrap(),
"0.601504513540621865"
);
assert_eq!(
trade
.execution_price
.quote(expected_input_amount.clone())
.unwrap()
.quotient(),
output_amount.quotient()
);
assert_eq!(
trade
.execution_price
.invert()
.quote(output_amount)
.unwrap()
.quotient(),
expected_input_amount.quotient()
);

assert_eq!(
trade
.price_impact
.to_significant(18, Rounding::RoundDown)
.unwrap(),
"16.8751042187760547"
);

// Minimum TradeType.EXACT_INPUT
if [9, 18].contains(&tokens[1].decimals) {
let route = Route::new(
vec![Pair::new(
CurrencyAmount::from_raw_amount(
tokens[1].clone(),
decimalize(1, tokens[1].decimals),
)
.unwrap(),
CurrencyAmount::from_raw_amount(
WETH9.clone(),
(decimalize(10, WETH9.decimals))
+ if tokens[1].decimals == 9 {
BigInt::from_str("30090280812437312").unwrap()
} else {
BigInt::from_str("30090270812437322").unwrap()
},
)
.unwrap(),
)
.unwrap()],
tokens[1].clone(),
WETH9.clone(),
);
let input_amount =
CurrencyAmount::from_raw_amount(tokens[1].clone(), BigInt::from(1)).unwrap();
let trade = Trade::new(route, input_amount, TradeType::ExactInput).unwrap();

let expected_impact = if tokens[1].decimals == 9 {
"0.300000099400899901"
} else {
"0.3000000000000001"
};
assert_eq!(
trade
.price_impact
.to_significant(18, Rounding::RoundDown)
.unwrap(),
expected_impact
);
}
}
}
}
1 change: 1 addition & 0 deletions src/entities/mod.rs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
mod entities_test;
mod pair;
mod route;
mod trade;
Expand Down