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            debug_messages: None,
90        })
91    }
92}
93
94#[cfg(test)]
95mod tests {
96    use super::*;
97    use axum::Router;
98    use axum::routing::{delete, get, patch, post, put};
99    use ironflow_core::providers::claude::ClaudeCodeProvider;
100    use ironflow_core::providers::record_replay::RecordReplayProvider;
101    use tokio::net::TcpListener;
102
103    fn create_test_provider() -> Arc<dyn AgentProvider> {
104        let inner = ClaudeCodeProvider::new();
105        Arc::new(RecordReplayProvider::replay(
106            inner,
107            "/tmp/ironflow-fixtures",
108        ))
109    }
110
111    async fn start_test_server() -> String {
112        let app = Router::new()
113            .route("/status/200", get(|| async { "ok" }))
114            .route("/post", post(|| async { "ok" }))
115            .route("/put", put(|| async { "ok" }))
116            .route("/patch", patch(|| async { "ok" }))
117            .route("/delete", delete(|| async { "ok" }))
118            .route("/headers", get(|| async { "ok" }));
119
120        let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
121        let port = listener.local_addr().unwrap().port();
122        tokio::spawn(async move {
123            axum::serve(listener, app).await.unwrap();
124        });
125        format!("http://localhost:{port}")
126    }
127
128    #[tokio::test]
129    async fn http_get_method() {
130        let base = start_test_server().await;
131        let config = HttpConfig::get(&format!("{base}/status/200"));
132        let executor = HttpExecutor::new(&config);
133        let provider = create_test_provider();
134
135        let result = executor.execute(&provider).await;
136        assert!(result.is_ok());
137        let output = result.unwrap();
138        assert!(output.output.get("status").is_some());
139        assert!(output.output.get("headers").is_some());
140        assert!(output.output.get("body").is_some());
141    }
142
143    #[tokio::test]
144    async fn http_post_method() {
145        let base = start_test_server().await;
146        let config = HttpConfig::post(&format!("{base}/post"));
147        let executor = HttpExecutor::new(&config);
148        let provider = create_test_provider();
149
150        let result = executor.execute(&provider).await;
151        assert!(result.is_ok());
152    }
153
154    #[tokio::test]
155    async fn http_put_method() {
156        let base = start_test_server().await;
157        let config = HttpConfig::put(&format!("{base}/put"));
158        let executor = HttpExecutor::new(&config);
159        let provider = create_test_provider();
160
161        let result = executor.execute(&provider).await;
162        assert!(result.is_ok());
163    }
164
165    #[tokio::test]
166    async fn http_patch_method() {
167        let base = start_test_server().await;
168        let config = HttpConfig::patch(&format!("{base}/patch"));
169        let executor = HttpExecutor::new(&config);
170        let provider = create_test_provider();
171
172        let result = executor.execute(&provider).await;
173        assert!(result.is_ok());
174    }
175
176    #[tokio::test]
177    async fn http_delete_method() {
178        let base = start_test_server().await;
179        let config = HttpConfig::delete(&format!("{base}/delete"));
180        let executor = HttpExecutor::new(&config);
181        let provider = create_test_provider();
182
183        let result = executor.execute(&provider).await;
184        assert!(result.is_ok());
185    }
186
187    #[tokio::test]
188    async fn http_unsupported_method_returns_error() {
189        let base = start_test_server().await;
190        let mut config = HttpConfig::get(&format!("{base}/status/200"));
191        config.method = "INVALID".to_string();
192        let executor = HttpExecutor::new(&config);
193        let provider = create_test_provider();
194
195        let result = executor.execute(&provider).await;
196        assert!(result.is_err());
197        match result {
198            Err(EngineError::StepConfig(msg)) => {
199                assert!(msg.contains("unsupported HTTP method"));
200            }
201            _ => panic!("expected StepConfig error"),
202        }
203    }
204
205    #[tokio::test]
206    async fn http_with_custom_headers() {
207        let base = start_test_server().await;
208        let config = HttpConfig::get(&format!("{base}/headers"))
209            .header("X-Custom-Header", "test-value")
210            .header("Authorization", "Bearer token");
211        let executor = HttpExecutor::new(&config);
212        let provider = create_test_provider();
213
214        let result = executor.execute(&provider).await;
215        assert!(result.is_ok());
216    }
217
218    #[tokio::test]
219    async fn http_with_json_body() {
220        let base = start_test_server().await;
221        let config =
222            HttpConfig::post(&format!("{base}/post")).json(json!({"key": "value", "number": 42}));
223        let executor = HttpExecutor::new(&config);
224        let provider = create_test_provider();
225
226        let result = executor.execute(&provider).await;
227        assert!(result.is_ok());
228    }
229
230    #[tokio::test]
231    async fn http_step_output_has_structure() {
232        let base = start_test_server().await;
233        let config = HttpConfig::get(&format!("{base}/status/200"));
234        let executor = HttpExecutor::new(&config);
235        let provider = create_test_provider();
236
237        let output = executor.execute(&provider).await.unwrap();
238        assert!(output.output.get("status").is_some());
239        assert!(output.output.get("headers").is_some());
240        assert!(output.output.get("body").is_some());
241        assert_eq!(output.cost_usd, Decimal::ZERO);
242    }
243}
ironflow_engine/executor/http.rs

ironflow_engine/executor/
http.rs
