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Introduces contract demonstrating unit + e2e test event decoding. #1738

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Introduces contract demonstrating unit + e2e test event decoding. #1738

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c871d21
Add module and update Cargo.toml
blairmunroakusa Apr 3, 2023
796981a
test_events_decode/lib.rs: Fix punctuation.
blairmunroakusa Apr 3, 2023
74ea83e
test_events_decode/lib.rs: satisfy clippy
blairmunroakusa Apr 3, 2023
8b2de16
test_events_decode/README.md: simplify description and notes
blairmunroakusa Apr 4, 2023
91a196c
Update lib.rs
blairmunroakusa Apr 6, 2023
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test_events_decode/lib.rs: Fix punctuation.
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@blairmunroakusa
blairmunroakusa committed Apr 3, 2023
commit 796981a58689943a2cf000109cc4fe79534bc350
29 changes: 13 additions & 16 deletions integration-tests/test_events_decode/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -42,13 +42,13 @@ mod testing_event_decode {
let caller = self.env().caller();
let contract = self.env().account_id();

// emit FlipEvent
// Emit FlipEvent.
self.env().emit_event(FlipEvent {
flipper: caller,
value: true,
});

// emit FlopEvent
// Emit FlopEvent.
self.env().emit_event(FlopEvent {
flipper: caller,
flopper: contract,
Expand Down Expand Up @@ -79,20 +79,20 @@ mod testing_event_decode {
#[ink::test]
fn unittest_event_emission_capture_decode() {

// given
let accounts = ink::env::test::default_accounts::<ink::env::DefaultEnvironment>();
ink::env::test::set_caller::<ink::env::DefaultEnvironment>(accounts.bob);

let mut contract = TestingEventDecode::new();
contract.flipflop();

// decode event
// Decode event.
let emitted_events = ink::env::test::recorded_events().collect::<Vec<_>>();
let decoded_events = decode_events(emitted_events);

let mut gotflip = false;
let mut gotflop = false;
// check events were emitted by the `flipflop` function

// Check events were emitted by the `flipflop` function.
for event in &decoded_events {
match event {
Event::FlipEvent(FlipEvent { flipper, value }) => {
Expand Down Expand Up @@ -126,7 +126,6 @@ mod testing_event_decode {
#[ink_e2e::test]
async fn e2etest_event_emission_capture_decode(mut client: ink_e2e::Client<C, E>) -> E2EResult<()> {

// Given
let bob_account = ink_e2e::account_id(ink_e2e::AccountKeyring::Bob);
let constructor = TestingEventDecodeRef::new();
let contract_account_id = client
Expand All @@ -141,7 +140,7 @@ mod testing_event_decode {
.expect("instantiate failed")
.account_id;

// Check that FlipEvent was successfully emitted
// Check that FlipEvent was successfully emitted.
let flipflop_msg =
build_message::<TestingEventDecodeRef>(contract_account_id.clone())
.call(|contract| contract.flipflop());
Expand All @@ -150,7 +149,7 @@ mod testing_event_decode {
.await
.expect("flipflop failed");

// Filter the events
// Filter the events.
let contract_emitted_event = flipflop_result
.events
.iter()
Expand All @@ -169,19 +168,18 @@ mod testing_event_decode {
.expect("Expected flip event")
.unwrap();

// Decode the expected event type
// Decode the expected event type.
let event = contract_emitted_event.field_bytes();
let decode_event = <FlipEvent as scale::Decode>::decode(&mut &event[34..])
.expect("invalid data");

// Destructor
let FlipEvent { flipper, value } = decode_event;

// Check that FlopEvent was successully emitted
// Check that FlopEvent was successully emitted.
assert_eq!(value, true, "unexpected FlipEvent.value");
assert_eq!(flipper, bob_account, "unexpected FlipEvent.flipper");

// When
// Build flipflop message.
let flipflop_msg =
build_message::<TestingEventDecodeRef>(contract_account_id.clone())
.call(|contract| contract.flipflop());
Expand All @@ -190,7 +188,7 @@ mod testing_event_decode {
.await
.expect("flipflop failed");

// Filter the events
// Filter the events.
let contract_emitted_event = flipflop_result
.events
.iter()
Expand All @@ -209,15 +207,14 @@ mod testing_event_decode {
.expect("Expected flop event")
.unwrap();

// Decode the expected event type
// Decode the expected event type.
let event = contract_emitted_event.field_bytes();
let decode_event = <FlopEvent as scale::Decode>::decode(&mut &event[35..])
.expect("invalid data");

// Destructor
let FlopEvent { flipper, flopper, value } = decode_event;

// check event emitted by the `flip` function
// Check event emitted by the `flip` function.
assert_eq!(value, false, "unexpected FlopEvent.value");
assert_eq!(flipper, bob_account, "unexpected FlopEvent.flipper");
assert_eq!(flopper, contract_account_id, "unexpected FlopEvent.flopper");
Expand Down