Do not assume that greenlet is installed

Update test to take into consideration the case where greenlet is not
installed. This is to support sqlalchemy 2.1 that removes it as
required dependency

Change-Id: I50dddf76536169df8abfd70fbb9133f2b13eec3d

diff --git a/alembic/testing/requirements.py b/alembic/testing/requirements.py
index 2107da468dd9a0ea389a89a8081b46dedcc71c81..6e07e28ea48a7615ad3a1d8a874873eba97ee148 100644 (file)
--- a/alembic/testing/requirements.py
+++ b/alembic/testing/requirements.py
@@ -95,6 +95,18 @@ class SuiteRequirements(Requirements):
             "SQLAlchemy 2.x test",
         )
 
+    @property
+    def asyncio(self):
+        def go(config):
+            try:
+                import greenlet  # noqa: F401
+            except ImportError:
+                return False
+            else:
+                return True
+
+        return self.sqlalchemy_14 + exclusions.only_if(go)
+
     @property
     def comments(self):
         return exclusions.only_if(

diff --git a/tests/test_op.py b/tests/test_op.py
index f1b8d27d3651901f65b144e9c263ee1301730675..2b924d288981941ef5359eaa79df1718deb71085 100644 (file)
--- a/tests/test_op.py
+++ b/tests/test_op.py
@@ -1267,7 +1267,7 @@ class OpTest(TestBase):
         ):
             op.run_async(go)
 
-    @config.requirements.sqlalchemy_14
+    @config.requirements.asyncio
     def test_run_async_ok(self):
         from sqlalchemy.ext.asyncio import AsyncConnection
 

diff --git a/tox.ini b/tox.ini
index 62ef921ab138ecb5c5fbba1c2db16d0a22eef1f5..24219bb4620dccde3ab8f92a6d28aa62d00c5056 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -24,7 +24,8 @@ deps=pytest>4.6
      mako
      python-dateutil
      zimports
-     black==22.3.0
+     black==23.3.0
+     greenlet>=1