ironflow_engine/executor/
http.rs

1//! HTTP step executor.
2
3use std::sync::Arc;
4use std::time::{Duration, Instant};
5
6use rust_decimal::Decimal;
7use serde_json::json;
8use tracing::info;
9
10use ironflow_core::operations::http::Http;
11use ironflow_core::provider::AgentProvider;
12
13use crate::config::HttpConfig;
14use crate::error::EngineError;
15
16use super::{StepExecutor, StepOutput};
17
18/// Executor for HTTP steps.
19///
20/// Sends an HTTP request and captures the response status, headers, and body.
21pub struct HttpExecutor<'a> {
22    config: &'a HttpConfig,
23}
24
25impl<'a> HttpExecutor<'a> {
26    /// Create a new HTTP executor from a config reference.
27    pub fn new(config: &'a HttpConfig) -> Self {
28        Self { config }
29    }
30}
31
32impl StepExecutor for HttpExecutor<'_> {
33    async fn execute(&self, _provider: &Arc<dyn AgentProvider>) -> Result<StepOutput, EngineError> {
34        let start = Instant::now();
35
36        let mut http = match self.config.method.to_uppercase().as_str() {
37            "GET" => Http::get(&self.config.url),
38            "POST" => Http::post(&self.config.url),
39            "PUT" => Http::put(&self.config.url),
40            "PATCH" => Http::patch(&self.config.url),
41            "DELETE" => Http::delete(&self.config.url),
42            other => {
43                return Err(EngineError::StepConfig(format!(
44                    "unsupported HTTP method: {other}"
45                )));
46            }
47        };
48
49        for (name, value) in &self.config.headers {
50            http = http.header(name, value);
51        }
52        if let Some(ref body) = self.config.body {
53            http = http.json(body.clone());
54        }
55        if let Some(secs) = self.config.timeout_secs {
56            http = http.timeout(Duration::from_secs(secs));
57        }
58
59        let output = http.run().await?;
60        let duration_ms = start.elapsed().as_millis() as u64;
61
62        info!(
63            step_kind = "http",
64            method = %self.config.method,
65            url = %self.config.url,
66            status = output.status(),
67            duration_ms,
68            "http step completed"
69        );
70
71        #[cfg(feature = "prometheus")]
72        {
73            use ironflow_core::metric_names::{HTTP_DURATION_SECONDS, HTTP_TOTAL, STATUS_SUCCESS};
74            use metrics::{counter, histogram};
75            counter!(HTTP_TOTAL, "method" => self.config.method.clone(), "status" => STATUS_SUCCESS).increment(1);
76            histogram!(HTTP_DURATION_SECONDS).record(duration_ms as f64 / 1000.0);
77        }
78
79        Ok(StepOutput {
80            output: json!({
81                "status": output.status(),
82                "headers": output.headers(),
83                "body": output.body(),
84            }),
85            duration_ms,
86            cost_usd: Decimal::ZERO,
87            input_tokens: None,
88            output_tokens: None,
89        })
90    }
91}
92
93#[cfg(test)]
94mod tests {
95    use super::*;
96    use axum::Router;
97    use axum::routing::{delete, get, patch, post, put};
98    use ironflow_core::providers::claude::ClaudeCodeProvider;
99    use ironflow_core::providers::record_replay::RecordReplayProvider;
100    use tokio::net::TcpListener;
101
102    fn create_test_provider() -> Arc<dyn AgentProvider> {
103        let inner = ClaudeCodeProvider::new();
104        Arc::new(RecordReplayProvider::replay(
105            inner,
106            "/tmp/ironflow-fixtures",
107        ))
108    }
109
110    async fn start_test_server() -> String {
111        let app = Router::new()
112            .route("/status/200", get(|| async { "ok" }))
113            .route("/post", post(|| async { "ok" }))
114            .route("/put", put(|| async { "ok" }))
115            .route("/patch", patch(|| async { "ok" }))
116            .route("/delete", delete(|| async { "ok" }))
117            .route("/headers", get(|| async { "ok" }));
118
119        let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
120        let port = listener.local_addr().unwrap().port();
121        tokio::spawn(async move {
122            axum::serve(listener, app).await.unwrap();
123        });
124        format!("http://localhost:{port}")
125    }
126
127    #[tokio::test]
128    async fn http_get_method() {
129        let base = start_test_server().await;
130        let config = HttpConfig::get(&format!("{base}/status/200"));
131        let executor = HttpExecutor::new(&config);
132        let provider = create_test_provider();
133
134        let result = executor.execute(&provider).await;
135        assert!(result.is_ok());
136        let output = result.unwrap();
137        assert!(output.output.get("status").is_some());
138        assert!(output.output.get("headers").is_some());
139        assert!(output.output.get("body").is_some());
140    }
141
142    #[tokio::test]
143    async fn http_post_method() {
144        let base = start_test_server().await;
145        let config = HttpConfig::post(&format!("{base}/post"));
146        let executor = HttpExecutor::new(&config);
147        let provider = create_test_provider();
148
149        let result = executor.execute(&provider).await;
150        assert!(result.is_ok());
151    }
152
153    #[tokio::test]
154    async fn http_put_method() {
155        let base = start_test_server().await;
156        let config = HttpConfig::put(&format!("{base}/put"));
157        let executor = HttpExecutor::new(&config);
158        let provider = create_test_provider();
159
160        let result = executor.execute(&provider).await;
161        assert!(result.is_ok());
162    }
163
164    #[tokio::test]
165    async fn http_patch_method() {
166        let base = start_test_server().await;
167        let config = HttpConfig::patch(&format!("{base}/patch"));
168        let executor = HttpExecutor::new(&config);
169        let provider = create_test_provider();
170
171        let result = executor.execute(&provider).await;
172        assert!(result.is_ok());
173    }
174
175    #[tokio::test]
176    async fn http_delete_method() {
177        let base = start_test_server().await;
178        let config = HttpConfig::delete(&format!("{base}/delete"));
179        let executor = HttpExecutor::new(&config);
180        let provider = create_test_provider();
181
182        let result = executor.execute(&provider).await;
183        assert!(result.is_ok());
184    }
185
186    #[tokio::test]
187    async fn http_unsupported_method_returns_error() {
188        let base = start_test_server().await;
189        let mut config = HttpConfig::get(&format!("{base}/status/200"));
190        config.method = "INVALID".to_string();
191        let executor = HttpExecutor::new(&config);
192        let provider = create_test_provider();
193
194        let result = executor.execute(&provider).await;
195        assert!(result.is_err());
196        match result {
197            Err(EngineError::StepConfig(msg)) => {
198                assert!(msg.contains("unsupported HTTP method"));
199            }
200            _ => panic!("expected StepConfig error"),
201        }
202    }
203
204    #[tokio::test]
205    async fn http_with_custom_headers() {
206        let base = start_test_server().await;
207        let config = HttpConfig::get(&format!("{base}/headers"))
208            .header("X-Custom-Header", "test-value")
209            .header("Authorization", "Bearer token");
210        let executor = HttpExecutor::new(&config);
211        let provider = create_test_provider();
212
213        let result = executor.execute(&provider).await;
214        assert!(result.is_ok());
215    }
216
217    #[tokio::test]
218    async fn http_with_json_body() {
219        let base = start_test_server().await;
220        let config =
221            HttpConfig::post(&format!("{base}/post")).json(json!({"key": "value", "number": 42}));
222        let executor = HttpExecutor::new(&config);
223        let provider = create_test_provider();
224
225        let result = executor.execute(&provider).await;
226        assert!(result.is_ok());
227    }
228
229    #[tokio::test]
230    async fn http_step_output_has_structure() {
231        let base = start_test_server().await;
232        let config = HttpConfig::get(&format!("{base}/status/200"));
233        let executor = HttpExecutor::new(&config);
234        let provider = create_test_provider();
235
236        let output = executor.execute(&provider).await.unwrap();
237        assert!(output.output.get("status").is_some());
238        assert!(output.output.get("headers").is_some());
239        assert!(output.output.get("body").is_some());
240        assert_eq!(output.cost_usd, Decimal::ZERO);
241    }
242}
ironflow_engine/executor/http.rs

ironflow_engine/executor/
http.rs
