Handle empty requests

Author: kyleect

src/parse.rs

@@ -3,6 +3,17 @@ use std::ops::Range;
 use crate::{error::Error, models::partial_request::PartialHttpRequest, span::get_line_spans};
 
 pub(crate) fn parse_request(input: &str) -> Result<PartialHttpRequest, Error> {
+    if input.trim().is_empty() {
+        return Ok(PartialHttpRequest::new(
+            input,
+            None,
+            None,
+            None,
+            vec![],
+            None,
+        ));
+    }
+
     let line_spans = get_line_spans(input);
 
     let first_empty_line_idx = line_spans.iter().position(|span| span.len() == 1);

tests/fixtures/empty.request

@@ -5,6 +5,32 @@ use http_message::models::{request::HttpRequest, uri::Uri};
 
 use pretty_assertions::assert_eq;
 
+#[test]
+fn parse_empty_request() {
+    let content =
+        fs::read_to_string("./tests/fixtures/empty.request").expect("should read test fixture");
+
+    let partial = PartialHttpRequest::from_str(&content).expect("should be parsable");
+
+    assert_eq!(
+        PartialHttpRequest::new(&content, None, None, None, vec![], None),
+        partial
+    );
+}
+
+#[test]
+fn parse_whitespace_request() {
+    let content = fs::read_to_string("./tests/fixtures/whitespace.request")
+        .expect("should read test fixture");
+
+    let partial = PartialHttpRequest::from_str(&content).expect("should be parsable");
+
+    assert_eq!(
+        PartialHttpRequest::new(&content, None, None, None, vec![], None),
+        partial
+    );
+}
+
 #[test]
 fn parse_get_request() {
     let content =