57 lines
1.9 KiB
Rust
57 lines
1.9 KiB
Rust
 
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//! What the command line says about this device, against a running agent.
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//!
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//! These drive the real binary, which is why they live beside it rather
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//! than with the library's own tests: the library cannot depend on a binary
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//! built from a crate that depends on it.
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#![allow(clippy::unwrap_used, clippy::expect_used, clippy::panic)]
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use tempfile::TempDir;
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use tsunagi::Agent;
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use tsunagi::config::{AgentConfig, StoragePaths, TransportPolicy};
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/// Asking who this device is must not need the directory lock.
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///
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/// The lock belongs to the one agent allowed to *write* the state. `id` only
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/// reads, so making it take the lock would mean the question could never be
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/// answered while an agent was running — which is exactly when you want to
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/// ask it.
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#[tokio::test]
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async fn identity_can_be_read_while_an_agent_holds_the_directory() {
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let dir = TempDir::new().unwrap();
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// Hold the directory the way a running agent does.
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let agent = Agent::spawn(
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AgentConfig::new(StoragePaths::under(dir.path()))
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.with_transport(TransportPolicy::LocalOnly)
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.with_loopback_bind(),
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)
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.await
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.unwrap();
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let expected = agent.endpoint_id().to_string();
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let output = tokio::process::Command::new(env!("CARGO_BIN_EXE_tsunagi"))
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.arg("id")
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// The same layout `StoragePaths::under` gives the agent above.
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.arg("--state-dir")
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.arg(dir.path().join("state"))
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.arg("--cache-dir")
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.arg(dir.path().join("cache"))
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.output()
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.await
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.unwrap();
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let stdout = String::from_utf8_lossy(&output.stdout);
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let stderr = String::from_utf8_lossy(&output.stderr);
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assert!(
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output.status.success(),
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"`id` failed while an agent was running:\n{stderr}"
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);
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assert!(
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stdout.contains(&expected),
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"expected {expected} in:\n{stdout}"
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);
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agent.shutdown().await;
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}
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