test(core): replace __init__ in unit tests with setUpClass and tearDownClass

[no changelog]

core/tests/test_apps.bitcoin.approver.py

@@ -23,9 +23,11 @@ from apps.common import coins
 
 class TestApprover(unittest.TestCase):
 
-    def __init__(self):
+    def setUpClass(self):
         context.CURRENT_CONTEXT = CodecContext(None, bytearray(64))
-        super().__init__()
+
+    def tearDownClass(self):
+        context.CURRENT_CONTEXT = None
 
     def setUp(self):
         self.coin = coins.by_name("Bitcoin")

core/tests/test_apps.bitcoin.authorization.py

@@ -14,12 +14,14 @@ _ROUND_ID_LEN = 32
 
 class TestAuthorization(unittest.TestCase):
 
-    def __init__(self):
-        context.CURRENT_CONTEXT = CodecContext(None, bytearray(64))
-        super().__init__()
-
     coin = coins.by_name("Bitcoin")
 
+    def setUpClass(self):
+        context.CURRENT_CONTEXT = CodecContext(None, bytearray(64))
+
+    def tearDownClass(self):
+        context.CURRENT_CONTEXT = None
+
     def setUp(self):
         self.msg_auth = AuthorizeCoinJoin(
             coordinator="www.example.com",

core/tests/test_apps.bitcoin.keychain.py

@@ -12,9 +12,11 @@ from storage import cache_codec
 
 class TestBitcoinKeychain(unittest.TestCase):
 
-    def __init__(self):
+    def setUpClass(self):
         context.CURRENT_CONTEXT = CodecContext(None, bytearray(64))
-        super().__init__()
+
+    def tearDownClass(self):
+        context.CURRENT_CONTEXT = None
 
     def setUp(self):
         cache_codec.start_session()
@@ -97,13 +99,11 @@ class TestBitcoinKeychain(unittest.TestCase):
 @unittest.skipUnless(not utils.BITCOIN_ONLY, "altcoin")
 class TestAltcoinKeychains(unittest.TestCase):
 
-    def __init__(self):
-        # Context is needed to test decorators and handleInitialize
-        # It allows access to codec cache from different parts of the code
-        from trezor.wire import context
-
+    def setUpClass(self):
         context.CURRENT_CONTEXT = CodecContext(None, bytearray(64))
-        super().__init__()
+
+    def tearDownClass(self):
+        context.CURRENT_CONTEXT = None
 
     def setUp(self):
         cache_codec.start_session()

core/tests/test_apps.common.keychain.py

@@ -16,9 +16,11 @@ from storage import cache_codec
 
 class TestKeychain(unittest.TestCase):
 
-    def __init__(self):
+    def setUpClass(self):
         context.CURRENT_CONTEXT = CodecContext(None, bytearray(64))
-        super().__init__()
+
+    def tearDownClass(self):
+        context.CURRENT_CONTEXT = None
 
     def setUp(self):
         cache_codec.start_session()

core/tests/test_apps.ethereum.keychain.py

@@ -74,9 +74,11 @@ class TestEthereumKeychain(unittest.TestCase):
                 addr,
             )
 
-    def __init__(self):
+    def setUpClass(self):
         context.CURRENT_CONTEXT = CodecContext(None, bytearray(64))
-        super().__init__()
+
+    def tearDownClass(self):
+        context.CURRENT_CONTEXT = None
 
     def setUp(self):
         cache_codec.start_session()

core/tests/test_apps.monero.serializer.py

@@ -11,9 +11,6 @@ if not utils.BITCOIN_ONLY:
 
 @unittest.skipUnless(not utils.BITCOIN_ONLY, "altcoin")
 class TestMoneroSerializer(unittest.TestCase):
-    def __init__(self, *args, **kwargs):
-        super(TestMoneroSerializer, self).__init__(*args, **kwargs)
-
     def test_varint(self):
         """
         Var int

core/tests/test_storage.cache.py

@@ -19,9 +19,11 @@ def is_session_started() -> bool:
 
 class TestStorageCache(unittest.TestCase):
 
-    def __init__(self):
+    def setUpClass(self):
         context.CURRENT_CONTEXT = CodecContext(None, bytearray(64))
-        super().__init__()
+
+    def tearDownClass(self):
+        context.CURRENT_CONTEXT = None
 
     def setUp(self):
         cache.clear_all()