Added the ability to specify a regex filter for the part-name on the synthesis tests. Implemented as --synth-part. Closes #179 (#180)

tests/lib/synthesizers/base.py

@@ -1,17 +1,28 @@
 from typing import TYPE_CHECKING, List
 
+import pytest
+
 if TYPE_CHECKING:
     from ..synth_testcase import SynthTestCase
 
 class Synthesizer:
     name = ""
 
+    #: this gets auto-loaded via the _load_request autouse fixture
+    request = None # type: pytest.FixtureRequest
+
+    @pytest.fixture(autouse=True)
+    def _load_request(self, request):
+        self.request = request
+
     @classmethod
     def is_installed(cls) -> bool:
         raise NotImplementedError
 
-    def __init__(self, testcase: 'SynthTestCase' = None) -> None:
+    def __init__(self, testcase: 'SynthTestCase' = None,
+                 request: 'pytest.FixtureRequest' = None) -> None:
         self.testcase = testcase
+        self.request = request
 
     def run(self) -> None:
         raise NotImplementedError