fix some tests; allow running tests selectivly with

Author: dhalbert

Makefile

@@ -375,5 +375,6 @@ coverage-fresh:
 	make -j -C ports/unix VARIANT=coverage
 
 .PHONY: run-tests
+# If TESTS="abc.py def.py" is specified as an arg, run only those tests. Otherwise, run all tests.
 run-tests:
-	cd tests; MICROPY_MICROPYTHON=../ports/unix/build-coverage/micropython ./run-tests.py
+	cd tests; MICROPY_MICROPYTHON=../ports/unix/build-coverage/micropython ./run-tests.py $(TESTS)

ports/unix/main.c

@@ -768,7 +768,14 @@ MP_NOINLINE int main_(int argc, char **argv) {
     #endif
 
     // printf("total bytes = %d\n", m_get_total_bytes_allocated());
-    return ret & 0xff;
+
+    // CIRCUITPY-CHANGE: handle PYEXEC_EXCEPTION
+    if (ret & PYEXEC_EXCEPTION) {
+        // Return exit status code 1 so the invoker knows there was an uncaught exception.
+        return 1;
+    } else {
+        return ret & 0xff;
+    }
 }
 
 void nlr_jump_fail(void *val) {

shared/runtime/pyexec.c

@@ -118,7 +118,7 @@ static int parse_compile_execute(const void *source, mp_parse_input_kind_t input
                 // source is a lexer, parse and compile the script
                 qstr source_name = lex->source_name;
                 // CIRCUITPY-CHANGE
-                #if MICROPY_PY___FILE__
+                #if MICROPY_MODULE___FILE__
                 if (input_kind == MP_PARSE_FILE_INPUT) {
                     mp_store_global(MP_QSTR___file__, MP_OBJ_NEW_QSTR(source_name));
                 }

tests/basics/io_buffered_writer.py

@@ -1,7 +1,6 @@
 try:
     import io
 
-try:
     io.BytesIO
     io.BufferedWriter
 except (AttributeError, ImportError):