tests: rework the actually useful tests to live in the integration crate

crates/irtt-app/tests/cli.rs

@@ -0,0 +1,89 @@
+#![cfg(all(feature = "client", feature = "server", feature = "tui"))]
+
+#[path = "../../irtt-integration-tests/tests/support/in_tree_server.rs"]
+mod in_tree_server;
+
+use irtt_server::ServerConfig;
+use std::process::Command;
+
+// The actual binaries own dispatch, argument handling, exit policy and output.
+// A real authenticated server also detects broken argument-to-config mapping.
+#[test]
+fn applets_dispatch_validate_arguments_and_export_a_real_client_run() {
+    let dispatcher = env!("CARGO_BIN_EXE_irtt-rs");
+    for binary in [
+        dispatcher,
+        env!("CARGO_BIN_EXE_irtt-client"),
+        env!("CARGO_BIN_EXE_irtt-server"),
+        env!("CARGO_BIN_EXE_irtt-tui"),
+    ] {
+        assert!(Command::new(binary)
+            .arg("--help")
+            .output()
+            .unwrap()
+            .status
+            .success());
+        assert!(!Command::new(binary)
+            .arg("--invalid-option")
+            .output()
+            .unwrap()
+            .status
+            .success());
+    }
+    for option in ["--dscp", "--ttl"] {
+        assert!(!Command::new(dispatcher)
+            .args(["client", option, "256", "127.0.0.1:9"])
+            .output()
+            .unwrap()
+            .status
+            .success());
+    }
+    let server =
+        in_tree_server::InTreeServer::start(ServerConfig::default().with_hmac_key(b"cli-test"));
+    let output = Command::new(dispatcher)
+        .args([
+            "client",
+            "--duration",
+            "100ms",
+            "--interval",
+            "20ms",
+            "--hmac",
+            "cli-test",
+            "--length",
+            "128",
+            "--sfill",
+            "pattern:ab",
+            "--clock",
+            "wall",
+            "--tstamp",
+            "both",
+            "--stats",
+            "both",
+            "--ttl",
+            "64",
+            "--format",
+            "jsonl",
+            "--columns",
+            "target,event,bytes",
+            &format!("edge={}", server.addr),
+        ])
+        .output()
+        .unwrap();
+    assert!(
+        output.status.success(),
+        "{}",
+        String::from_utf8_lossy(&output.stderr)
+    );
+    let stdout = String::from_utf8(output.stdout).unwrap();
+    let rows: Vec<_> = stdout.lines().collect();
+    assert!(!rows.is_empty());
+    assert!(rows.iter().all(|row| row.starts_with('{')
+        && row.ends_with('}')
+        && row.contains("\"target\":\"edge\"")));
+    assert!(rows
+        .iter()
+        .any(|row| row.contains("\"event\":\"echo_reply\"") && row.contains("\"bytes\":128")));
+    assert!(rows
+        .iter()
+        .any(|row| row.contains("\"event\":\"session_closed\"")));
+}