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test: Add more tests for DustLost event in Energy pallet #201

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test: Add more tests for DustLost event in Energy pallet #201

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TarekkMA Mar 29, 2023
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F3Joule Jan 5, 2024
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53 changes: 52 additions & 1 deletion pallets/energy/src/tests.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -572,7 +572,58 @@ fn existential_deposit_and_providers() {
});
}

// TODO Add a test for DustLost event

// Tests for DustLost event

#[test]
fn dust_lost_should_not_be_emitted_when_ed_is_zero() {
ExtBuilder::default()
.energy_existential_deposit(0)
.build()
.execute_with(|| {
let account = 1;
set_energy_balance(account, 100);

assert_ok!(charge_transaction(&account, 100, 100, 0, || {}));

assert!(!System::events()
.iter()
.any(|record| matches!(record.event, RuntimeEvent::Energy(EnergyEvent::DustLost { .. }))));
});
}

#[test]
fn dust_lost_should_not_be_emitted_when_energy_still_above_ed() {
ExtBuilder::default()
.energy_existential_deposit(10)
.build()
.execute_with(|| {
let account = 1;
set_energy_balance(account, 100);

assert_ok!(charge_transaction(&account, 90, 90, 0, || {}));

assert!(!System::events()
.iter()
.any(|record| matches!(record.event, RuntimeEvent::Energy(EnergyEvent::DustLost { .. }))));
});
}

#[test]
fn dust_lost_should_be_emitted_when_energy_still_below_ed() {
ExtBuilder::default()
.energy_existential_deposit(10)
.build()
.execute_with(|| {
let account = 1;
set_energy_balance(account, 100);

assert_ok!(charge_transaction(&account, 98, 98, 0, || {}));

System::assert_has_event(EnergyEvent::DustLost { account, amount: 2 }.into());
});
}


///// test native_token_to_energy

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