Merge pull request #3293 from danilp-id/http_server_test

http_server test + unignore http_open_hanging

tests-pl/issue-http_open-hanging.pl

@@ -1,5 +1,26 @@
-:- module(http_open_hanging, [submit_request/0]).
+% Server
+:- use_module(library(process)).
+:- use_module(library(iso_ext)).
+:- use_module(library(os)).
 
+prolog_path(Prolog) :-
+    read(Body),
+    term_variables(Body, [Prolog]),
+    Body.
+
+server_start([Process,Out]) :-
+    prolog_path(Prolog),
+    process_create(Prolog,
+        ["tests-pl/issue-http_open-hanging_server", "-t", "server"],
+        [process(Process), stdout(pipe(Out))]).
+
+server_wait_start([_Process, Out]) :-
+    get_char(Out, _C).
+
+server_stop([Process,_Out]) :-
+    process_kill(Process).
+
+% Client 
 :- use_module(library(charsio)).
 :- use_module(library(http/http_open)).
 
@@ -10,14 +31,21 @@ send_request :-
         request_headers([]),
         headers(_)
     ],
-    http_open("https://scryer.pl", _Stream, Options),
+    http_open("http://localhost:8472", _Stream, Options),
     write_term('received response with status code':StatusCode, []), nl.
 
 main :-
+    setup_call_cleanup(
+        server_start(Server),
+        (
+            server_wait_start(Server),
             send_request,
             send_request,
             send_request,
             send_request,
-    send_request.
+            send_request
+        ),
+        server_stop(Server)
+    ).
 
 :- initialization(main).

tests-pl/issue-http_open-hanging_server.pl

@@ -0,0 +1,8 @@
+:- use_module(library(process)).
+:- use_module(library(http/http_server)).
+
+server :-
+    http_listen(8472, [get(/, hello)]).
+
+hello(_Req, Res) :-
+    http_body(Res, text("Ok")).

tests/scryer/helper.rs

@@ -52,6 +52,27 @@ pub(crate) fn load_module_test_with_tokio_runtime<T: Expectable>(file: &str, exp
     });
 }
 
+#[cfg(not(target_arch = "wasm32"))]
+pub(crate) fn load_module_test_with_tokio_runtime_and_input<T: Expectable>(
+    file: &str,
+    input: impl Into<Cow<'static, str>>,
+    expected: T,
+) {
+    let runtime = tokio::runtime::Builder::new_multi_thread()
+        .enable_all()
+        .build()
+        .unwrap();
+
+    runtime.block_on(async move {
+        let mut wam = MachineBuilder::default()
+            .with_streams(
+                StreamConfig::in_memory().with_user_input(InputStreamConfig::string(input)),
+            )
+            .build();
+        expected.assert_eq(wam.test_load_file(file).as_slice())
+    });
+}
+
 pub(crate) fn load_module_test_with_input<T: Expectable>(
     file: &str,
     input: impl Into<Cow<'static, str>>,

tests/scryer/issues.rs

@@ -1,7 +1,7 @@
 use crate::helper::load_module_test;
 use crate::helper::load_module_test_with_input;
 #[cfg(not(target_arch = "wasm32"))]
-use crate::helper::load_module_test_with_tokio_runtime;
+use crate::helper::load_module_test_with_tokio_runtime_and_input;
 use serial_test::serial;
 
 // issue #831
@@ -167,10 +167,10 @@ fn issue3262_read_from_stdin_no_newline() {
 #[cfg(feature = "http")]
 #[cfg(not(target_arch = "wasm32"))]
 #[cfg_attr(miri, ignore = "it takes too long to run")]
-#[cfg_attr(not(miri), ignore = "flaky due to network requests")]
 fn http_open_hanging() {
-    load_module_test_with_tokio_runtime(
+    load_module_test_with_tokio_runtime_and_input(
         "tests-pl/issue-http_open-hanging.pl",
+        format!("PROLOG={:?}.", env!("CARGO_BIN_EXE_scryer-prolog")),
             "received response with status code:200\nreceived response with status code:200\nreceived response with status code:200\nreceived response with status code:200\nreceived response with status code:200\n"
     );
 }