Migrate to Discord.py 2.0a0

Since the Discord.py repository has been archived, we can switch to the latest commit of 2.0a0, knowing no breaking change will occur (still pinned to the commit just in case).
This commits fixes any problem related to the migration:
- New avatar interface
- TZ aware datetimes
- Various inernal API changes

1 files changed, 23 insertions, 4 deletions

diff --git a/tests/helpers.py b/tests/helpers.py
index 3978076ed..d3967af59 100644
--- a/tests/helpers.py
+++ b/tests/helpers.py
@@ -39,7 +39,7 @@ class HashableMixin(discord.mixins.EqualityComparable):
 
 
 class ColourMixin:
-    """A mixin for Mocks that provides the aliasing of color->colour like discord.py does."""
+    """A mixin for Mocks that provides the aliasing of (accent_)color->(accent_)colour like discord.py does."""
 
     @property
     def color(self) -> discord.Colour:
@@ -49,6 +49,14 @@ class ColourMixin:
     def color(self, color: discord.Colour) -> None:
         self.colour = color
 
+    @property
+    def accent_color(self) -> discord.Colour:
+        return self.accent_colour
+
+    @accent_color.setter
+    def accent_color(self, color: discord.Colour) -> None:
+        self.accent_colour = color
+
 
 class CustomMockMixin:
     """
@@ -241,7 +249,13 @@ class MockMember(CustomMockMixin, unittest.mock.Mock, ColourMixin, HashableMixin
 
 
 # Create a User instance to get a realistic Mock of `discord.User`
-user_instance = discord.User(data=unittest.mock.MagicMock(), state=unittest.mock.MagicMock())
+_user_data_mock = collections.defaultdict(unittest.mock.MagicMock, {
+    "accent_color": 0
+})
+user_instance = discord.User(
+    data=unittest.mock.MagicMock(get=unittest.mock.Mock(side_effect=_user_data_mock.get)),
+    state=unittest.mock.MagicMock()
+)
 
 
 class MockUser(CustomMockMixin, unittest.mock.Mock, ColourMixin, HashableMixin):
@@ -424,7 +438,12 @@ message_instance = discord.Message(state=state, channel=channel, data=message_da
 
 
 # Create a Context instance to get a realistic MagicMock of `discord.ext.commands.Context`
-context_instance = Context(message=unittest.mock.MagicMock(), prefix=unittest.mock.MagicMock())
+context_instance = Context(
+    message=unittest.mock.MagicMock(),
+    prefix="$",
+    bot=MockBot(),
+    view=None
+)
 context_instance.invoked_from_error_handler = None
 
 
@@ -532,7 +551,7 @@ class MockReaction(CustomMockMixin, unittest.mock.MagicMock):
         self.__str__.return_value = str(self.emoji)
 
 
-webhook_instance = discord.Webhook(data=unittest.mock.MagicMock(), adapter=unittest.mock.MagicMock())
+webhook_instance = discord.Webhook(data=unittest.mock.MagicMock(), session=unittest.mock.MagicMock())
 
 
 class MockAsyncWebhook(CustomMockMixin, unittest.mock.MagicMock):