Migration to pytest

src/sakia/tests/conftest.py

+import pytest
+import asyncio
+import quamash
+import sqlite3
+from duniterpy.documents import BlockUID
+from sakia.data.repositories.meta import SakiaDatabase
+
+
+_application_ = []
+
+
+@pytest.yield_fixture()
+def event_loop():
+    qapplication = get_application()
+    loop = quamash.QSelectorEventLoop(qapplication)
+    exceptions = []
+    loop.set_exception_handler(lambda l, c: unitttest_exception_handler(exceptions, l, c))
+    yield loop
+    try:
+        loop.close()
+    finally:
+        asyncio.set_event_loop(None)
+
+    for exc in exceptions:
+        raise exc
+
+
+@pytest.fixture()
+def meta_repo():
+    sqlite3.register_adapter(BlockUID, str)
+    sqlite3.register_adapter(bool, int)
+    sqlite3.register_converter("BOOLEAN", lambda v: bool(int(v)))
+    meta_repo = SakiaDatabase(sqlite3.connect(":memory:", detect_types=sqlite3.PARSE_DECLTYPES))
+    meta_repo.prepare()
+    meta_repo.upgrade_database()
+    return meta_repo
+
+
+def unitttest_exception_handler(exceptions, loop, context):
+    """
+    An exception handler which exists the program if the exception
+    was not catch
+    :param loop: the asyncio loop
+    :param context: the exception context
+    """
+    if 'exception' in context:
+        exception = context['exception']
+    else:
+        exception = BaseException(context['message'])
+    exceptions.append(exception)
+
+
+def get_application():
+    """Get the singleton QApplication"""
+    from quamash import QApplication
+    if not len(_application_):
+        application = QApplication.instance()
+        if not application:
+            import sys
+            application = QApplication(sys.argv)
+        _application_.append( application )
+    return _application_[0]
+