Questions tagged [testing]
The testing tag has no usage guidance.
76
questions
1
vote
2
answers
38
views
How to print / output from within async tokio test
I am writing a new test and when I run this code, the println's do not output in the terminal.
#[tokio::test]
async fn can_fetch_child_keys() {
if std::option_env!("TEST_WS").is_none() {
...
- 8,140
0
votes
0
answers
10
views
How to test smart contract timestamp dependent behavior?
how can I test block_timestamp-dependent smart contract behavior?
The substrate contact node doesn't allow block_timestamp manipulations.
For context, in the EVM ecosystem, one can use hardhat helpers ...
- 73
0
votes
1
answer
15
views
Creation of account ids
A brief context: I want to deliver the test.
The exact context: Creation of account_id's (first point in an outline).
Question: Do I correctly create account_id in the context of my task. Should I ...
- 739
1
vote
1
answer
54
views
Testing benchmarks with V2
Im writing benchmarks for a pallet using benchmarking version 2. And it seems I cant call Pallet::<Test>::test_benchmarks_"extrinsic_name" inside of a test anymore.
Is it no longer ...
- 395
1
vote
0
answers
56
views
Automating Sync Tests for a Substrate Node: Best Approaches?
I am working on a Substrate node that needs to sync with specific live networks. My goal is to ensure that the node is able to initiate and maintain synchronization with these networks, and I would ...
- 469
1
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0
answers
18
views
e2e-tests We should find port before reader ends - ink! 4.2.1, rust 1.69, cargo contracts 3.0.1
I have the same problem and error message as described here: e2e-tests "We should find a port before the reader ends" for rust = 1.69 and cargo-contract-contract 3.0.1-unknown-x86_64-apple-...
- 11
1
vote
0
answers
22
views
How to resolve "mismatched types" error while ink_e2e test : expected String, found Vec<u8>
I am working with ink_e2e testing framework in ink smart contract, and I have encountered an error message that's a bit confusing. The error says: mismatched types - expected String, found Vec<u8&...
- 442
1
vote
1
answer
48
views
Simulate block finalization error
I would like to simulate how our parachain reacts to events like,
A collator produces a block that is not accepted by other collators in that parachain. Aka a malicious collator.
The relay chain ...
- 107
2
votes
2
answers
40
views
How to get Error from different pallet in test?
In tests we use following statement to check error:
assert_noop!(
ProfileValidation::add_citizen(RuntimeOrigin::signed(1), content.clone()),
Error::<Test>::...
- 663
3
votes
0
answers
57
views
Can we define ink_e2e tests outside of contracts module?
devs. I am writing the e2e tests for my smart contracts using ink_e2e
In contracts, I define the e2e-tests like this.
#[openbrush::contract]
pub mod controller {
...
#[cfg(all(test, ...
- 61
5
votes
1
answer
37
views
__construct_runtime_integrity_test fails after upgrading to polkadot 0.9.38
After upgrading our chain to polkadot version 0.9.38 and run SKIP_WASM_BUILD= cargo test --all I get the following test error
'__construct_runtime_integrity_test::runtime_integrity_tests' panicked at ...
- 325
4
votes
1
answer
43
views
How to stub ink! contract environment to produce fake values for use in tests?
In an ink! contract I need to use Self.env().block_number() to get the current block number to compare it with a block_number_guessed value that I provide when instantiating the contract and check ...
- 2,292
3
votes
1
answer
39
views
A function returning Result::Error will not revert the execution
I used the example Flipper, and changed the code like this:
#[ink(message)]
pub fn flip(&mut self) -> Result<(), Error> {
self.value = !self.value;
return ...
- 137
5
votes
1
answer
30
views
The package `` depends on `ink_env`, with features: `ink-experimental-engine` but `ink_env` does not have these features
I want to write tests and found the question that potentially soles my problem, but made exactly all what is recommended but still have the same issue.
I have added on top of my module with tests ...
- 739
3
votes
1
answer
44
views
No caller has been set
I write tests for my smart contract and got this error:
no caller has been set
The error comes from: ink_engine-4.2.0/src/ext.rs:325:14. In function that I want to write tests I have following line:
...
- 739
4
votes
1
answer
55
views
How we can do the integration testing of a substrate project?
How we can do the integration testing of the substrate application?
- 1,896
5
votes
1
answer
97
views
Why is the AccountId of a contract always 1 when unit testing?
I've been building unit tests in ink and have come across a strange issue. If I instantiate a contract multiple times, the account id is always the same. I thought the account id is the address of the ...
- 549
3
votes
1
answer
48
views
How to obtain code_hash, contract address, etc, when unit testing an ink smart contract?
I've been unit testing an ink smart contract by calling the constructor and testing various methods on the smart contract.
However, I now need to obtain the account of the contract in order to set its ...
- 549
1
vote
1
answer
41
views
How to stub win.injectedWeb3 for testing dApp with Cypress?
I'm looking for guidance on how to best stub the win.injectedWeb3 object that's usually created by Polkadot{.js}. This is so that I can write some automated tests for a dApp frontend in Cypress w/ ...
- 11
3
votes
0
answers
73
views
Steps to import a parachain running in a production environment to test environment?
I am using export-state to copy a parachain running in production environment to development with all the configuration and blocks data. I am following these steps. Can any one please review the steps,...
- 671
1
vote
1
answer
54
views
How to use the follow-chain subcommand in try-runtime?
In the try-runtime documentation, there is note of a follow-chain subcommand which follows the given chain’s finalized blocks and apply all of its extrinsics.
There are also some examples here.
I ...
- 8,140
2
votes
4
answers
100
views
ink-e2e: Metadata artifacts not generated when importing crate
Context:
I am trying to detach end-to-end tests from my main contract lib.rs. I created a new module in tests_e2e.rs.
I import the module in main contract like so:
lib.rs...vvv
#[cfg(all(test, feature ...
1
vote
1
answer
41
views
How to run "paras" extrinsics on local setups
I would like to test a few scenarios about relaychain council / sudo can update our parachain code in case of emergency.
I searched over the web, and try to use "paras" module to do such, ...
- 107
0
votes
2
answers
38
views
How to access StorageValue without getter function in tests?
I have the following StorageValue:
#[pallet::storage]
#[pallet::getter(fn something)]
pub type Something<T> = StorageValue<_, u32>;
With the getter function I can access it like this in ...
- 8,140
0
votes
0
answers
27
views
What is the account code in genesis account?
What does account code use for? No idea why are 0xff (INVALID) and 0x00 (STOP)...
https://github.com/paritytech/frontier/blob/08dfe8986e3f92ce213244c438eb9178653fce59/primitives/evm/src/lib.rs#L87
...
- 41
2
votes
0
answers
74
views
Fuzzing Polkadot produces Invalid Signature after chaos is injected
I'm using Polkadot version 0.9.37-08b1c09ca46, across 4 Nodes - Alice, Bob, Charlie, Dave, in a local testnet environment. I have a period of network chaos applied, and then moments of stabilized '...
- 21
0
votes
1
answer
25
views
construct_runtime macro panics in a mock environment while it builds in normal runtime [closed]
Trying to create a mock environment for testing a pallet, but getting an error msg failed to resolve: could not find tt_error_token in the crate root whenever trying to add my pallet in the mock ...
- 31
0
votes
1
answer
64
views
How do I create Hash in tests?
I have a function that creates hash from AccountId's.
#[pallet::call_index(2)]
#[pallet::weight(10_000 + T::DbWeight::get().writes(1).ref_time())]
pub fn connection_request(origin: OriginFor<T>, ...
- 893
0
votes
1
answer
33
views
How is it possible to avoid a mock runtime and use the actual runtime for testing?
I would like to avoid the most pallet config initialisation and just want to use the actual runtime configuration for the (unit) tests. This would simplify my mock process a lot. The only thing that ...
- 523
1
vote
1
answer
69
views
Integration tests for custom pallets
There is a very nice and structured way of writing unit test against a pallet. One can find a lot of examples of unit tests as well.
I will be thankful if any one can point me to some resources/...
- 671
2
votes
2
answers
114
views
Polkadot - tests fail out-of-the-box
How can I make the tests pass?
Steps to reproduce:
git clone https://github.com/paritytech/polkadot
cd polkadot
cargo build
cargo test
$ cargo test
⚡ Found 3 strongly connected components which ...
- 47
2
votes
2
answers
313
views
Computer crashing on `cargo test`
I use archlinux on x64_64 CPU architecture. Steps to reproduce:
git clone https://github.com/paritytech/substrate
cd substrate
cargo test
it runs up until 1600/1706. And I did it carefully with ...
- 47
1
vote
1
answer
42
views
how to test for storage leaks in pallets
Storage leaks in runtimes can be very damaging and cleaning up with a runtime update migration is non-trivial. I'd like to ensure the absence of storage leaks already in unit testing.
My strategy ...
- 503
1
vote
1
answer
53
views
Best way to automate extrinsic submissions for testing
I am developing a chain in substrate, and am trying to find the best way to run integration tests against certain sets of extrinsic submissions when the network is running in development mode. It's ...
- 418
5
votes
1
answer
202
views
construct_runtime_integrity_test failing
After bumping my substrate branch to 0.9.31 along some other changes,
I came across a test case failure which I have a hard time getting to the bottom of.
The node compiles and runs just fine after ...
- 269
0
votes
1
answer
34
views
How to set Alice as author in the mock.rs for testing?
I want to test my pallet that get digest info to collect the author of the current block.
So, is it possible to set, for example, Alice as a block author in the mock.rs so I can test it?
I set up the ...
- 97
1
vote
1
answer
30
views
How do you hide test accounts when they are not endowed?
Our chain spec does not endow any of the test accounts yet we are still seeing them shown (with zero balances) in the Polkadot UI. How do we hide them?
- 213
3
votes
1
answer
75
views
Potential storage issue with try-runtime tool
Hey guys I'm seeing a weird thing with the following migration code:
pub struct SomeMigration;
impl OnRuntimeUpgrade for SomeMigration {
fn on_runtime_upgrade() -> Weight {
let ...
3
votes
1
answer
102
views
Testing Custom RPC with a Mock Runtime API
I'm trying to test a Custom RPC. Let's make it a simple pass through.
p_api::decl_runtime_apis! {
pub trait SimpleApi<AccountId> where
AccountId: Codec,
{
fn is_true() -&...
- 433
1
vote
1
answer
83
views
How to use an outer mock inside `impl_benchmark_test_suite`?
Hey valuable Substrate pros,
do you know a way to use impl_benchmark_test_suite inside another crate like the runtime? I have multiple pallets. There are no mocks inside these pallets. There is only ...
- 523
0
votes
1
answer
98
views
How to get access to pallet storage from tests
I have approvals map in my pallet
So when i try to get value from my storage, I'm getting this error
So how to properly use pallet storage in tests?
1
vote
1
answer
76
views
Is it possible to test/mock the rpc calls in substrate?
I was trying to mock the rpc calls in substrate, but if there's any example for that then I guess it would help better.
- 59
4
votes
1
answer
87
views
Test hooks weights using dbWeights
Imagine I have a on_initialize hook like this:
impl<T: Config> Hooks<BlockNumberFor<T>> for Pallet<T> {
fn on_initialize(n: T::BlockNumber) -> Weight {
...
- 464
1
vote
1
answer
35
views
Constructor not found when testing smart contract
I am implementing a project using the directory structure proposed by openbrush.
The contract compiles without a problem, but when it comes to testing I run
into the following error:
error[E0599]: no ...
- 491
0
votes
2
answers
58
views
How do I mock `BalanceOf` for testing staking?
I'm trying to learn how to use the staking pallet in a game I'm building as a way to learn substrate, linked here, and I'd like to implement staking an amount when challenging another player.
However, ...
- 101
2
votes
3
answers
264
views
Stress test a substrated based blockchain
Are there any tools/script to stress a substrate bases blockchain? Generating transfers between accounts should be Ok.
I think I saw one a few months ago but I can't find it :-(
Thanks very much.
...
0
votes
1
answer
76
views
Building precompile mock results in error[E0277]: the trait bound `currencies::MultiCurrencyPrecompile<TestRuntime>: Precompile` is not satisfied
I am currently implementing a mock for our EVM precompiles but ran into the following error when building the tests
error[E0277]: the trait bound `currencies::MultiCurrencyPrecompile<...
- 325
2
votes
2
answers
115
views
Testing transaction fee movements
I am attempting to build some tests that initiate and validate transaction fee movements. The problem is that I seem unable to initiate transaction fees in a mock runtime at all. I suspect I am ...
- 41
1
vote
1
answer
75
views
How to persist TestExternalities via impl_benchmark_test_suite testing?
I set up a state via
impl ExtBuilder {
pub fn build(self) -> sp_io::TestExternalities {
let mut t = system::GenesisConfig::default().build_storage::<TestRuntime>().unwrap();
let mut ext =...
- 125
1
vote
1
answer
52
views
How to rerun test with TRYBUILD=overwrite?
I want to rerun a test inside frame-support and overwrite the .stderr file with the actual error. The CI checks give me the instruction to rerun the test with the environment variable TRYBUILD=...
- 623