More testing

- Adds new tests of the new command engine
- Regions and pokemon types and names are now case insensitive
-  Roll back some of the removed tests.

filters/__init__.py

@@ -6,6 +6,7 @@ class Filter(Action):
     POKEMON_LIST = Database().get_all()
     filtered_list = [p for p in POKEMON_LIST]
     FILTERS = []
+    EXAMPLE_VAL = None
 
     def matches(self, pokemon, value):
         raise NotImplementedError
@@ -19,27 +20,38 @@ class Filter(Action):
 
 
 class NameFilter(Filter):
-    def matches(self, pokemon: Pokemon, value):
+    EXAMPLE_VAL = 'bulb'
+
+    def matches(self, pokemon: Pokemon, value: str):
         return value in pokemon.get_name()
 
 
 class RegionFilter(Filter):
-    def matches(self, pokemon: Pokemon, value):
+    EXAMPLE_VAL = 'kanto'
+
+    def matches(self, pokemon: Pokemon, value: str):
         return pokemon.get_region() == value
 
 
 class LightFilter(Filter):
-    def matches(self, pokemon: Pokemon, value):
+    EXAMPLE_VAL = 0.7
+
+    def matches(self, pokemon: Pokemon, value: float):
         return pokemon.get_dark_threshold() > value
 
 
 class DarkFilter(Filter):
-    def matches(self, pokemon: Pokemon, value):
+    EXAMPLE_VAL = 0.4
+
+    def matches(self, pokemon: Pokemon, value: float):
         return pokemon.get_dark_threshold() < value
 
 
 class TypeFilter(Filter):
-    def matches(self, pokemon: Pokemon, value):
+    EXAMPLE_VAL = 'water'
+
+    def matches(self, pokemon: Pokemon, value: str):
+        value = value.lower()
         return value in (pokemon.get_pkmn_type(),
                          pokemon.get_pkmn_type_secondary())
 

main.py

@@ -63,11 +63,13 @@ def main(argv):
                    'various conditions'
     )
     filtersGroup.add_argument(
-        '-n', '--name', help='Filter by pokemon which '
-        'name contains NAME', action=filters.NameFilter)
+        '-n', '--name', help='Filter by pokemon which name contains NAME',
+        action=filters.NameFilter, type=str.lower
+    )
     filtersGroup.add_argument(
         '-r', '--region', help='Filter the pokemons by region',
-        action=filters.RegionFilter, choices=Database.REGIONS
+        action=filters.RegionFilter, choices=Database.REGIONS,
+        type=str.lower
     )
     filtersGroup.add_argument(
         '-l', '--light', help='Filter out the pokemons darker then 0.xx',
@@ -81,7 +83,8 @@ def main(argv):
     )
     filtersGroup.add_argument(
         '-t', '--type', help='Filter the pokemons by type.',
-        action=filters.TypeFilter, choices=Database.POKEMON_TYPES
+        action=filters.TypeFilter, choices=Database.POKEMON_TYPES,
+        type=str.lower
     )
     filtersGroup.add_argument(
         '-ne', '--no-extras', help='Excludes extra pokemons',

test_filters.py

@@ -0,0 +1,29 @@
+from filters import Filter
+import pytest
+
+
+def test_basic_loading():
+    assert len(Filter.POKEMON_LIST) >= 493
+    assert len(Filter.filtered_list) == len(Filter.POKEMON_LIST)
+
+
+def test_filters_infrastructure():
+    inst = Filter(None, None)
+    with pytest.raises(NotImplementedError):
+        inst.matches(None, None)
+    for fltr in Filter.FILTERS:
+        fltr = fltr(None, None)
+        filtered = [pkmn for pkmn in Filter.POKEMON_LIST
+                    if fltr.matches(pkmn, fltr.EXAMPLE_VAL)]
+        assert len(filtered) < len(Filter.POKEMON_LIST)
+
+
+if __name__ == '__main__':
+    # Test runner: Runs all functions whose name begins with `test_`
+    # locals() changes when trying to do this without the list comprehension!!!
+    name_funcs = [(n, f) for n, f in locals().items() if n.startswith('test_')]
+    for name, func in name_funcs:
+        if callable(func):
+            func()
+        else:
+            print(name + ' is not callable()!')

test_main.py

@@ -10,7 +10,31 @@ from test_utils import region_dict
 import random
 
 db = Database()
-print(len(db))
+
+
+def broken_test_no_args(capsys):
+    """ FIXME: Now the the main file accepts zero arguments """
+    main([__file__])
+    out, err = capsys.readouterr()
+    assert out.startswith("No command line arguments specified.")
+
+
+def broken_test_three_args(capsys):
+    """ FIXME: Now the main file accepts way more then 3 arguments """
+    main([__file__, 1, 2, 3])
+    out, err = capsys.readouterr()
+    assert out.startswith("Invalid number of arguments.")
+
+
+def broken_test_two_letters(capsys):
+    """ FIXME: The search argorhytm is now bultin the name filter """
+    main([__file__, 'bu'])
+    out, err = capsys.readouterr()
+    assert 'Butterfree' in out
+    # prefix search only
+    main([__file__, 'ut'])
+    out, err = capsys.readouterr()
+    assert 'butterfree' not in out.lower()
 
 
 def test_extra(capsys):