1 files changed, 103 insertions, 0 deletions
diff --git a/tests/cogs/sync/test_roles.py b/tests/cogs/sync/test_roles.py
new file mode 100644
index 000000000..c561ba447
--- /dev/null
+++ b/tests/cogs/sync/test_roles.py
@@ -0,0 +1,103 @@
+from bot.cogs.sync.syncers import Role, get_roles_for_sync
+
+
+def test_get_roles_for_sync_empty_return_for_equal_roles():
+    api_roles = {Role(id=41, name='name', colour=33, permissions=0x8, position=1)}
+    guild_roles = {Role(id=41, name='name', colour=33, permissions=0x8, position=1)}
+
+    assert get_roles_for_sync(guild_roles, api_roles) == (set(), set(), set())
+
+
+def test_get_roles_for_sync_returns_roles_to_update_with_non_id_diff():
+    api_roles = {Role(id=41, name='old name', colour=35, permissions=0x8, position=1)}
+    guild_roles = {Role(id=41, name='new name', colour=33, permissions=0x8, position=2)}
+
+    assert get_roles_for_sync(guild_roles, api_roles) == (
+        set(),
+        guild_roles,
+        set(),
+    )
+
+
+def test_get_roles_only_returns_roles_that_require_update():
+    api_roles = {
+        Role(id=41, name='old name', colour=33, permissions=0x8, position=1),
+        Role(id=53, name='other role', colour=55, permissions=0, position=3)
+    }
+    guild_roles = {
+        Role(id=41, name='new name', colour=35, permissions=0x8, position=2),
+        Role(id=53, name='other role', colour=55, permissions=0, position=3)
+    }
+
+    assert get_roles_for_sync(guild_roles, api_roles) == (
+        set(),
+        {Role(id=41, name='new name', colour=35, permissions=0x8, position=2)},
+        set(),
+    )
+
+
+def test_get_roles_returns_new_roles_in_first_tuple_element():
+    api_roles = {
+        Role(id=41, name='name', colour=35, permissions=0x8, position=1),
+    }
+    guild_roles = {
+        Role(id=41, name='name', colour=35, permissions=0x8, position=1),
+        Role(id=53, name='other role', colour=55, permissions=0, position=2)
+    }
+
+    assert get_roles_for_sync(guild_roles, api_roles) == (
+        {Role(id=53, name='other role', colour=55, permissions=0, position=2)},
+        set(),
+        set(),
+    )
+
+
+def test_get_roles_returns_roles_to_update_and_new_roles():
+    api_roles = {
+        Role(id=41, name='old name', colour=35, permissions=0x8, position=1),
+    }
+    guild_roles = {
+        Role(id=41, name='new name', colour=40, permissions=0x16, position=2),
+        Role(id=53, name='other role', colour=55, permissions=0, position=3)
+    }
+
+    assert get_roles_for_sync(guild_roles, api_roles) == (
+        {Role(id=53, name='other role', colour=55, permissions=0, position=3)},
+        {Role(id=41, name='new name', colour=40, permissions=0x16, position=2)},
+        set(),
+    )
+
+
+def test_get_roles_returns_roles_to_delete():
+    api_roles = {
+        Role(id=41, name='name', colour=35, permissions=0x8, position=1),
+        Role(id=61, name='to delete', colour=99, permissions=0x9, position=2),
+    }
+    guild_roles = {
+        Role(id=41, name='name', colour=35, permissions=0x8, position=1),
+    }
+
+    assert get_roles_for_sync(guild_roles, api_roles) == (
+        set(),
+        set(),
+        {Role(id=61, name='to delete', colour=99, permissions=0x9, position=2)},
+    )
+
+
+def test_get_roles_returns_roles_to_delete_update_and_new_roles():
+    api_roles = {
+        Role(id=41, name='not changed', colour=35, permissions=0x8, position=1),
+        Role(id=61, name='to delete', colour=99, permissions=0x9, position=2),
+        Role(id=71, name='to update', colour=99, permissions=0x9, position=3),
+    }
+    guild_roles = {
+        Role(id=41, name='not changed', colour=35, permissions=0x8, position=1),
+        Role(id=81, name='to create', colour=99, permissions=0x9, position=4),
+        Role(id=71, name='updated', colour=101, permissions=0x5, position=3),
+    }
+
+    assert get_roles_for_sync(guild_roles, api_roles) == (
+        {Role(id=81, name='to create', colour=99, permissions=0x9, position=4)},
+        {Role(id=71, name='updated', colour=101, permissions=0x5, position=3)},
+        {Role(id=61, name='to delete', colour=99, permissions=0x9, position=2)},
+    )