test: add integration tests (#36)

tests/cors.rs

@@ -0,0 +1,37 @@
+mod fixtures;
+mod utils;
+
+use fixtures::{server, Error, TestServer};
+use rstest::rstest;
+
+#[rstest]
+fn cors(#[with(&["--cors"])] server: TestServer) -> Result<(), Error> {
+    let resp = reqwest::blocking::get(server.url())?;
+
+    assert_eq!(
+        resp.headers().get("access-control-allow-origin").unwrap(),
+        "*"
+    );
+    assert_eq!(
+        resp.headers().get("access-control-allow-headers").unwrap(),
+        "range, content-type, accept, origin, www-authenticate"
+    );
+
+    Ok(())
+}
+
+#[rstest]
+fn cors_options(#[with(&["--cors"])] server: TestServer) -> Result<(), Error> {
+    let resp = fetch!(b"OPTIONS", server.url()).send()?;
+
+    assert_eq!(
+        resp.headers().get("access-control-allow-origin").unwrap(),
+        "*"
+    );
+    assert_eq!(
+        resp.headers().get("access-control-allow-headers").unwrap(),
+        "range, content-type, accept, origin, www-authenticate"
+    );
+
+    Ok(())
+}