add response and fips tests

Author: ekump

libdd-http-client/Cargo.toml

@@ -26,7 +26,7 @@ fastrand = "2"
 tokio = { version = "1.23", features = ["rt", "time"] }
 reqwest = { version = "0.13", default-features = false, optional = true }
 rustls = { version = "0.23", default-features = false, optional = true }
-libdd-common = { version = "1.1.0", path = "../libdd-common", default-features = false, optional = true }
+libdd-common = { version = "2.0.0", path = "../libdd-common", default-features = false, optional = true }
 hyper = { workspace = true, optional = true }
 hyper-util = { workspace = true, optional = true }
 http-body-util = { version = "0.1", optional = true }

libdd-http-client/src/response.rs

@@ -15,3 +15,44 @@ pub struct HttpResponse {
     /// Response body bytes.
     pub body: bytes::Bytes,
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn fields_accessible() {
+        let resp = HttpResponse {
+            status_code: 200,
+            headers: vec![("content-type".to_owned(), "application/json".to_owned())],
+            body: bytes::Bytes::from_static(b"{\"ok\":true}"),
+        };
+        assert_eq!(resp.status_code, 200);
+        assert_eq!(resp.headers.len(), 1);
+        assert_eq!(resp.headers[0].0, "content-type");
+        assert_eq!(resp.headers[0].1, "application/json");
+        assert_eq!(resp.body.as_ref(), b"{\"ok\":true}");
+    }
+
+    #[test]
+    fn empty_response() {
+        let resp = HttpResponse {
+            status_code: 204,
+            headers: vec![],
+            body: bytes::Bytes::new(),
+        };
+        assert_eq!(resp.status_code, 204);
+        assert!(resp.headers.is_empty());
+        assert!(resp.body.is_empty());
+    }
+
+    #[test]
+    fn debug_includes_status() {
+        let resp = HttpResponse {
+            status_code: 404,
+            headers: vec![],
+            body: bytes::Bytes::new(),
+        };
+        assert!(format!("{resp:?}").contains("404"));
+    }
+}

libdd-http-client/tests/fips_test.rs

@@ -0,0 +1,24 @@
+// Copyright 2026-Present Datadog, Inc. https://www.datadoghq.com/
+// SPDX-License-Identifier: Apache-2.0
+
+#![cfg(feature = "fips")]
+
+use libdd_http_client::init_fips_crypto;
+
+/// Verifies that init_fips_crypto() installs the aws-lc-rs provider and that a
+/// second call returns an error. This confirms the `fips` feature wires up
+/// aws-lc-rs rather than ring.
+#[test]
+fn fips_crypto_provider() {
+    let first = init_fips_crypto();
+    let second = init_fips_crypto();
+
+    assert!(first.is_ok(), "init_fips_crypto() failed: {first:?}");
+    assert!(second.is_err(), "expected Err on second call, got Ok");
+
+    let err_msg = second.unwrap_err().to_string();
+    assert!(
+        err_msg.contains("already installed"),
+        "unexpected error message: {err_msg}"
+    );
+}