removed create_2x2x2_nfg from games.py

Author: rahulsavani

tests/games.py

@@ -66,26 +66,6 @@ def create_2x2_zero_nfg() -> gbt.Game:
     return game
 
 
-def create_2x2x2_nfg() -> gbt.Game:
-    """
-    - This comes from a local max cut instance:
-      players {1,2,3} are nodes; edge weight{1,2} = 2; weight{1,3} = -1; weight{2,3} = 2
-    - Pure strategies {a,b} encode if respective player is on left or right of the cut
-    - The payoff to a player is the sum of their incident edges across the implied cut
-    - Pure equilibrium iff local max cuts; in addition, uniform mixture is an equilibrium
-    - Equilibrium analysis for pure profiles:
-        a a a:  0 0  0 -- Not Nash (regrets: 1, 4, 1)
-        b a a:  1 2 -1 -- Not Nash (regrets: 0, 0, 3)
-        a b a:  2 4  2 -- Nash (global max cut)
-        b b a: -1 2  1 -- Not Nash (regrets: 3, 0, 0)
-        a a b: -1 2  1 -- Not Nash (regrets: 3, 0, 0)
-        b a b:  2 4  2 -- Nash (global max cut)
-        a b b:  1 2 -1 -- Not Nash (regrets: 0, 0, 3)
-        b b b:  0 0  0 -- Not Nash (regrets: 1, 4, 1)
-    """
-    return read_from_file("2x2x2_nfg_with_two_pure_one_mixed_eq.nfg")
-
-
 def create_coord_4x4_nfg(outcome_version: bool = False) -> gbt.Game:
     """
     Returns

tests/test_games/2x2x2_nfg_from_local_max_cut_2_pure_1_mixed_eq.nfg

@@ -0,0 +1,20 @@
+NFG 1 R "2x2x2 game with 2 pure and 1 mixed equilibrium"
+{ "Player 1" "Player 2" "Player 3" } { 2 2 2 }
+"
+- This comes from a local max cut instance:
+  players {1,2,3} are nodes; edge weight{1,2} = 2; weight{1,3} = -1; weight{2,3} = 2
+- Pure strategies {a,b} encode if respective player is on left or right of the cut
+- The payoff to a player is the sum of their incident edges across the implied cut
+- Pure equilibrium iff local max cuts; in addition, uniform mixture is an equilibrium
+- Equilibrium analysis for pure profiles:
+    a a a:  0 0  0 -- Not Nash (regrets: 1, 4, 1)
+    b a a:  1 2 -1 -- Not Nash (regrets: 0, 0, 3)
+    a b a:  2 4  2 -- Nash (global max cut)
+    b b a: -1 2  1 -- Not Nash (regrets: 3, 0, 0)
+    a a b: -1 2  1 -- Not Nash (regrets: 3, 0, 0)
+    b a b:  2 4  2 -- Nash (global max cut)
+    a b b:  1 2 -1 -- Not Nash (regrets: 0, 0, 3)
+    b b b:  0 0  0 -- Not Nash (regrets: 1, 4, 1)
+"
+
+0 0 0 1 2 -1 2 4 2 -1 2 1 -1 2 1 2 4 2 1 2 -1 0 0 0

tests/test_games/2x2x2_nfg_with_two_pure_one_mixed_eq.nfg

@@ -16,7 +16,9 @@ def test_read_efg(game_path):
 
 
 def test_read_efg_invalid():
-    game_path = os.path.join("tests", "test_games", "2x2x2_nfg_with_two_pure_one_mixed_eq.nfg")
+    game_path = os.path.join(
+        "tests", "test_games", "2x2x2_nfg_from_local_max_cut_2_pure_1_mixed_eq.nfg"
+    )
     with pytest.raises(ValueError):
         gbt.read_efg(game_path)
 
@@ -40,13 +42,17 @@ def test_read_agg(game_path):
 
 
 def test_read_agg_invalid():
-    game_path = os.path.join("tests", "test_games", "2x2x2_nfg_with_two_pure_one_mixed_eq.nfg")
+    game_path = os.path.join(
+        "tests", "test_games", "2x2x2_nfg_from_local_max_cut_2_pure_1_mixed_eq.nfg"
+    )
     with pytest.raises(ValueError):
         gbt.read_agg(game_path)
 
 
 def test_read_gbt_invalid():
-    game_path = os.path.join("tests", "test_games", "2x2x2_nfg_with_two_pure_one_mixed_eq.nfg")
+    game_path = os.path.join(
+        "tests", "test_games", "2x2x2_nfg_from_local_max_cut_2_pure_1_mixed_eq.nfg"
+    )
     with pytest.raises(ValueError):
         gbt.read_gbt(game_path)
 
@@ -116,16 +122,18 @@ def test_read_write_efg():
 def test_read_write_nfg():
     nfg_game = create_2x2_zero_nfg()
     serialized_nfg_game = nfg_game.to_nfg()
-    deserialized_nfg_game = gbt.read_nfg(io.BytesIO(serialized_nfg_game.encode()),
-                                         normalize_labels=False)
+    deserialized_nfg_game = gbt.read_nfg(
+        io.BytesIO(serialized_nfg_game.encode()), normalize_labels=False
+    )
     double_serialized_nfg_game = deserialized_nfg_game.to_nfg()
     assert serialized_nfg_game == double_serialized_nfg_game
 
 
 def test_read_write_nfg_normalize():
     nfg_game = create_2x2_zero_nfg()
     serialized_nfg_game = nfg_game.to_nfg()
-    deserialized_nfg_game = gbt.read_nfg(io.BytesIO(serialized_nfg_game.encode()),
-                                         normalize_labels=True)
+    deserialized_nfg_game = gbt.read_nfg(
+        io.BytesIO(serialized_nfg_game.encode()), normalize_labels=True
+    )
     double_serialized_nfg_game = deserialized_nfg_game.to_nfg()
     assert serialized_nfg_game != double_serialized_nfg_game