Skip plugin test that needs pragma_function_list

Refs #654 (comment)

Author: simonw

tests/test_plugins.py

@@ -1,9 +1,19 @@
 from click.testing import CliRunner
 import click
 import importlib
+import pytest
 from sqlite_utils import cli, Database, hookimpl, plugins
 
 
+def _supports_pragma_function_list():
+    db = Database(memory=True)
+    try:
+        db.execute("select * from pragma_function_list()")
+    except Exception:
+        return False
+    return True
+
+
 def test_register_commands():
     importlib.reload(cli)
     assert plugins.get_plugins() == []
@@ -37,6 +47,10 @@ def hello_world():
         assert plugins.get_plugins() == []
 
 
+@pytest.mark.skipif(
+    not _supports_pragma_function_list(),
+    reason="Needs SQLite version that supports pragma_function_list()",
+)
 def test_prepare_connection():
     importlib.reload(cli)
     assert plugins.get_plugins() == []