add test compile for example scripts

test/python/picongpu/compiling/__init__.py

@@ -3,3 +3,4 @@
 from .species import * # pyflakes.ignore
 from .distribution import * # pyflakes.ignore
 from .simulation import * # pyflakes.ignore
+from .compileexamples import * # pyflakes.ignore

test/python/picongpu/compiling/compileexamples.py

@@ -0,0 +1,53 @@
+"""
+This file is part of PIConGPU.
+Copyright 2021-2023 PIConGPU contributors
+Authors: Brian Edward Marre
+License: GPLv3+
+"""
+
+from picongpu import pypicongpu
+
+import shutil
+import importlib.util
+import sys
+
+import unittest
+
+
+class TestExamples(unittest.TestCase):
+ def __load_example_script(self, path):
+ """load and execute example PICMI script from given path"""
+ spec = importlib.util.spec_from_file_location("example", path)
+ example_script = importlib.util.module_from_spec(spec)
+
+ sys.modules["example"] = example_script
+ spec.loader.exec_module(example_script)
+
+ sim = example.sim # noqa
+ output_path = example.OUTPUT_DIRECTORY_PATH # noqa
+
+ return sim, output_path
+
+ def __build_simulation(sim):
+ """build the given instance of simulation"""
+ runner = pypicongpu.Runner(sim)
+ runner.generate(printDirToConsole=True)
+ runner.build()
+
+ def test_LWFA_example(self):
+ sim, output_path = self.__load_example_script(
+ "$PICSRC/share/picongpu/pypicongpu/examples/laser_wakefield/main.py"
+ )
+
+ self.__try_to_build(sim)
+
+ # remove generated output
+ shutil.rmtree(output_path)
+
+ def test_warm_plasma_example(self):
+ sim, output_path = self.__load_example_script("$PICSRC/share/picongpu/pypicongpu/examples/warm_plasma/main.py")
+
+ self.__try_to_build(sim)
+
+ # remove generated output
+ shutil.rmtree(output_path)