test: verify bot.make_identifier_memory() behavior w/CASEMAPPING set

test/test_coretasks.py

@@ -340,6 +340,36 @@ def test_handle_isupport_casemapping(mockbot):
     assert mockbot.nick.lower() == 'test[a]'
 
 
+def test_handle_isupport_casemapping_identifiermemory(mockbot):
+    # create a nick that needs casemapping
+    rfc1459 = 'Test[a]'
+
+    # create `SopelIdentifierMemory` w/bot's helper method and add the nick
+    memory = mockbot.make_identifier_memory()
+    memory[rfc1459] = rfc1459
+
+    # check default behavior (`rfc1459` casemapping)
+    assert memory['test{a}'] == rfc1459
+    assert memory['Test[a]'] == rfc1459
+
+    # now the bot "connects" to a server using `CASEMAPPING=ascii`
+    mockbot.on_message(
+        ':irc.example.com 005 Sopel '
+        'CHANTYPES=# EXCEPTS INVEX CHANMODES=eIbq,k,flj,CFLMPQScgimnprstz '
+        'CHANLIMIT=#:120 PREFIX=(ov)@+ MAXLIST=bqeI:100 MODES=4 '
+        'NETWORK=example STATUSMSG=@+ CALLERID=g CASEMAPPING=ascii '
+        ':are supported by this server')
+
+    # CASEMAPPING token change doesn't affect previously existing Identifiers...
+    assert memory['Test{a}'] == rfc1459
+    # ...so we have to create a new nick that will casemap differently now
+    ascii = 'Test[b]'
+    memory[ascii] = ascii
+    assert len(memory) == 2
+    assert memory['test[b]'] == ascii
+    assert 'test{b}' not in memory
+
+
 def test_handle_isupport_chantypes(mockbot):
     # check default behavior (chantypes allows #, &, +, and !)
     assert not mockbot.make_identifier('#channel').is_nick()

test/test_irc.py

@@ -29,6 +29,21 @@ def bot(tmpconfig, botfactory):
     return botfactory(tmpconfig)
 
 
+def test_make_identifier(bot):
+    nick = bot.make_identifier('Test[a]')
+    assert 'test{a}' == nick
+
+
+def test_make_identifier_memory(bot):
+    memory = bot.make_identifier_memory()
+    memory['Test[a]'] = True
+    assert memory['test{a}'] is True
+
+    memory['test{a}'] = False
+    assert len(memory) == 1
+    assert memory['Test[a]'] is False
+
+
 def prefix_length(bot):
     # ':', nick, '!', '~', ident/username, '@', maximum hostname length, <0x20>
     return 1 + len(bot.nick) + 1 + 1 + len(bot.user) + 1 + 63 + 1