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Add test to example rpc extension #4872

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merged 4 commits into from
Oct 2, 2023
Merged

Add test to example rpc extension #4872

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dca4dd6
Add test to example rpc extension
ckoopmann Oct 2, 2023
354dbc7
cargo fmt
ckoopmann Oct 2, 2023
f7ada22
Generate ApiClient only when running tests
ckoopmann Oct 2, 2023
04e995c
Fix test name
ckoopmann Oct 2, 2023
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1 change: 1 addition & 0 deletions Cargo.lock
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3 changes: 3 additions & 0 deletions examples/additional-rpc-namespace-in-cli/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -12,3 +12,6 @@ reth-transaction-pool.workspace = true
clap = { version = "4", features = ["derive"] }
jsonrpsee = { workspace = true, features = ["server", "macros"] }
eyre = "0.6"

[dev-dependencies]
tokio.workspace = true
31 changes: 30 additions & 1 deletion examples/additional-rpc-namespace-in-cli/src/main.rs
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Expand Up @@ -91,7 +91,8 @@ impl RethNodeCommandConfig for RethCliTxpoolExt {
/// trait interface for a custom rpc namespace: `txpool`
///
/// This defines an additional namespace where all methods are configured as trait functions.
#[rpc(server, namespace = "txpoolExt")]
#[cfg_attr(not(test), rpc(server, namespace = "txpoolExt"))]
#[cfg_attr(test, rpc(server, client, namespace = "txpoolExt"))]
pub trait TxpoolExtApi {
/// Returns the number of transactions in the pool.
#[method(name = "transactionCount")]
Expand All @@ -111,3 +112,31 @@ where
Ok(self.pool.pool_size().total)
}
}

#[cfg(test)]
mod tests {
use super::*;
use jsonrpsee::{http_client::HttpClientBuilder, server::ServerBuilder};
use reth_transaction_pool::noop::NoopTransactionPool;

#[tokio::test(flavor = "multi_thread")]
async fn test_call_transaction_count_http() {
let server_addr = start_server().await;
let uri = format!("http://{}", server_addr);
let client = HttpClientBuilder::default().build(&uri).unwrap();
let count = TxpoolExtApiClient::transaction_count(&client).await.unwrap();
assert_eq!(count, 0);
}

async fn start_server() -> std::net::SocketAddr {
let server = ServerBuilder::default().build("127.0.0.1:0").await.unwrap();
let addr = server.local_addr().unwrap();
let pool = NoopTransactionPool::default();
let api = TxpoolExt { pool };
let server_handle = server.start(api.into_rpc());

tokio::spawn(server_handle.stopped());

addr
}
}
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