Fix long test names with xdist (#77)

src/pytest_memray/plugin.py

@@ -91,7 +91,7 @@ def __init__(self, config: Config) -> None:
         path: Path | None = config.getvalue("memray_bin_path")
         self._tmp_dir: None | TemporaryDirectory[str] = None
         if path is None:
-            # Check the MEMRAY_RESULT_PAtH environment variable. If this
+            # Check the MEMRAY_RESULT_PATH environment variable. If this
             # is set, it means that we are running in a worker and the main
             # process has set it so we'll use it as the directory to store
             # the results.
@@ -135,7 +135,7 @@ def pytest_pyfunc_call(self, pyfuncitem: Function) -> object | None:
             return
 
         def _build_bin_path() -> Path:
-            if self._tmp_dir is None:
+            if self._tmp_dir is None and not os.getenv("MEMRAY_RESULT_PATH"):
                 of_id = pyfuncitem.nodeid.replace("::", "-")
                 of_id = of_id.replace(os.sep, "-")
                 name = f"{self._bin_prefix}-{of_id}.bin"

tests/test_pytest_memray.py

@@ -470,7 +470,8 @@ def allocating_func2():
             allocator.valloc(1024*2)
             allocator.free()
 
-        def test_foo():
+        @pytest.mark.parametrize("param", [("unused",)], ids=["x" * 1024])
+        def test_foo(param):
             allocating_func1()
 
         def test_bar():