reorganize test fixtures and add test for abc.pblang composite

Author: jcschaff

tests/conftest.py

@@ -0,0 +1,3 @@
+from tests.fixtures.model_fixtures import (  # noqa: F401
+    model_path_abc,
+)

tests/fixtures/__init__.py

@@ -1,5 +1,6 @@
 // my model
 type float builtin
+type string builtin
 
 process_def add_nums path toy.AddFloatsRepeatedly
     var left_hand_addend: float
@@ -9,7 +10,7 @@ process_def add_nums path toy.AddFloatsRepeatedly
     outputs result
 
 process_def print_result path toy.SaveFloatToFile
-    //param output_file_path: string default "~/abc_result.txt"
+    param output_file_path: string default "~/abc_result.txt"
     var result: float
     inputs result
 

tests/fixtures/abc.json tests/fixtures/data/abc.jsontests/fixtures/abc.json renamed to tests/fixtures/data/abc.json

@@ -0,0 +1,8 @@
+from pathlib import Path
+
+import pytest
+
+@pytest.fixture
+def model_path_abc() -> Path:
+    """Fixture for a model file."""
+    return Path(__file__).parent / "data" / "abc.pblang"

tests/fixtures/abc.pblang tests/fixtures/data/abc.pblangtests/fixtures/abc.pblang renamed to tests/fixtures/data/abc.pblang

@@ -0,0 +1,13 @@
+from pathlib import Path
+
+from process_bigraph_lang.dsl.model import Model
+
+from simple_process_bigraph_runtime.main import generatePythonModel, performConversion
+
+
+def test_add(model_path_abc: Path) -> None:
+    ast_model: Model = generatePythonModel(model_path_abc)
+    pb_composite, _0, _1 = performConversion(ast_model)
+
+    duration = 10.0
+    pb_composite.run(duration)