From c53e29c6c6a6c570f6962d8d107edb16c3d2974d Mon Sep 17 00:00:00 2001
From: Axel Huebl <axel.huebl@plasma.ninja>
Date: Mon, 28 Aug 2023 14:20:27 -0700
Subject: [PATCH 1/3] pytest: Temporary Working Directory

Tests can generate temporary output and directories, which
might clash and/or need cleaning between tests.

This changes the current working directory to a unique
directory per test.
---
 tests/conftest.py | 29 +++++++++++++++--------------
 1 file changed, 15 insertions(+), 14 deletions(-)

diff --git a/tests/conftest.py b/tests/conftest.py
index f6dd861b..af22c9c4 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -20,20 +20,21 @@
 
 
 @pytest.fixture(autouse=True, scope="function")
-def amrex_init():
-    amr.initialize(
-        [
-            # print AMReX status messages
-            "amrex.verbose=2",
-            # throw exceptions and create core dumps instead of
-            # AMReX backtrace files: allows to attach to
-            # debuggers
-            "amrex.throw_exception=1",
-            "amrex.signal_handling=0",
-            # abort GPU runs if out-of-memory instead of swapping to host RAM
-            # "abort_on_out_of_gpu_memory=1",
-        ]
-    )
+def amrex_init(tmpdir):
+    with tmpdir.as_cwd():
+        amr.initialize(
+            [
+                # print AMReX status messages
+                "amrex.verbose=2",
+                # throw exceptions and create core dumps instead of
+                # AMReX backtrace files: allows to attach to
+                # debuggers
+                "amrex.throw_exception=1",
+                "amrex.signal_handling=0",
+                # abort GPU runs if out-of-memory instead of swapping to host RAM
+                # "abort_on_out_of_gpu_memory=1",
+            ]
+        )
     yield
     amr.finalize()
 

From b223a42c7c43df2d7ce00c2578f207785ad07903 Mon Sep 17 00:00:00 2001
From: Axel Huebl <axel.huebl@plasma.ninja>
Date: Mon, 28 Aug 2023 19:05:05 -0700
Subject: [PATCH 2/3] All the yielded results in the cwd context

---
 tests/conftest.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/conftest.py b/tests/conftest.py
index af22c9c4..55adace2 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -35,8 +35,8 @@ def amrex_init(tmpdir):
                 # "abort_on_out_of_gpu_memory=1",
             ]
         )
-    yield
-    amr.finalize()
+        yield
+        amr.finalize()
 
 
 @pytest.fixture(scope="function")

From 2b63751a3f1f17c79ef58f9ebcc728c8dcb5eefd Mon Sep 17 00:00:00 2001
From: Axel Huebl <axel.huebl@plasma.ninja>
Date: Tue, 29 Aug 2023 14:34:27 -0700
Subject: [PATCH 3/3] Set basepath for input files (later)

Not yet used, can be used in test files as
```py
from conftest import basepath
```
---
 tests/conftest.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/conftest.py b/tests/conftest.py
index 55adace2..c120fb75 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import itertools
+import os
 
 import pytest
 
@@ -18,6 +19,9 @@
 if amr.Config.have_mpi:
     from mpi4py import MPI
 
+# base path for input files
+basepath = os.getcwd()
+
 
 @pytest.fixture(autouse=True, scope="function")
 def amrex_init(tmpdir):