added features and multiclass tests

tests/test_multiclass.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python
+
+from unittest import TestCase
+import warnings
+
+from dungeonsheets import race, monsters, exceptions, spells
+from dungeonsheets.character import Character
+from dungeonsheets.weapons import Weapon, Shortsword
+from dungeonsheets.armor import Armor, LeatherArmor, Shield
+
+
+class TestMulticlass(TestCase):
+    """
+    Tests for Multiclass character.
+    """
+    def test_constructor(self):
+        char = Character(name='Multiclass',
+                         classes=['wizard', 'fighter'],
+                         levels=[5, 4])
+
+    def test_level(self):
+        char = Character(name='Multiclass',
+                         classes=['wizard', 'fighter'],
+                         levels=[5, 4])
+        self.assertEqual(char.level, 9)
+
+    def test_spellcasting(self):
+        char = Character(name='Multiclass',
+                         classes=['wizard', 'fighter'],
+                         levels=[5, 4])
+        self.assertEqual(len(char.spellcasting_classes), 1)
+        char = Character(name='Multiclass',
+                         classes=['wizard', 'fighter'],
+                         subclasses=[None, 'Eldritch Knight'],
+                         levels=[5, 4])
+        self.assertEqual(len(char.spellcasting_classes), 2)
+        # equivalent spellcasting level: 6
+        self.assertEqual(char.spell_slots(spell_level=1), 4)
+        self.assertEqual(char.spell_slots(spell_level=2), 3)
+        self.assertEqual(char.spell_slots(spell_level=3), 3)
+        self.assertEqual(char.spell_slots(spell_level=4), 0)
+
+    def test_proficiencies(self):
+        char1 = Character(name='Multiclass',
+                         classes=['wizard', 'fighter'],
+                         levels=[5, 4])
+        for svt in ('intelligence', 'wisdom'):
+            self.assertIn(svt, char1.saving_throw_proficiencies)
+        char2 = Character(name='Multiclass',
+                         classes=['wizard', 'rogue'],
+                         levels=[5, 4])
+        char3 = Character(name='Multiclass',
+                         classes=['rogue', 'wizard'],
+                         levels=[4, 5])
+        sword = Shortsword()
+        self.assertTrue(char1.is_proficient(sword))
+        # multiclassing into Rogue doesn't give simple weapon proficiency
+        self.assertFalse(char2.is_proficient(sword))
+        self.assertTrue(char3.is_proficient(sword))
+