ABLkit/tests/test_reasoning.py

import pytest
from abl.reasoning import KBBase, GroundKB, PrologKB, ReasonerBase

class TestKBBase(object):
    def test_init(self, kb_add):
        assert kb_add.pseudo_label_list == list(range(10))
        
    def test_init_cache(self, kb_add_cache):
        assert kb_add_cache.pseudo_label_list == list(range(10))
        assert kb_add_cache.use_cache == True
    
    def test_logic_forward(self, kb_add):
        result = kb_add.logic_forward([1, 2])
        assert result == 3
        
    def test_revise_at_idx(self, kb_add):
        result = kb_add.revise_at_idx([1, 2], 2, [0])
        assert result == [[0, 2]]
    
    def test_abduce_candidates(self, kb_add):
        result = kb_add.abduce_candidates([1, 2], 1, max_revision_num=2)
        assert result == [[1, 0]]
        
class TestGroundKB(object):
    def test_init(self, kb_add_ground):
        assert kb_add_ground.pseudo_label_list == list(range(10))
        assert kb_add_ground.GKB_len_list == [2]
        assert kb_add_ground.GKB
        
    def test_logic_forward_ground(self, kb_add_ground):
        result = kb_add_ground.logic_forward([1, 2])
        assert result == 3
    
    def test_abduce_candidates_ground(self, kb_add_ground):
        result = kb_add_ground.abduce_candidates([1, 2], 1, max_revision_num=2)
        assert result == [(1, 0)]
   
class TestPrologKB(object):    
    def test_init_pl1(self, kb_add_prolog):
        assert kb_add_prolog.pseudo_label_list == list(range(10))
        assert kb_add_prolog.pl_file == "examples/mnist_add/datasets/add.pl"
    
    def test_init_pl2(self, kb_hed):
        assert kb_hed.pseudo_label_list == [1, 0, "+", "="]
        assert kb_hed.pl_file == "examples/hed/datasets/learn_add.pl"
    
    def test_prolog_file_not_exist(self):
        pseudo_label_list = [1, 2]
        non_existing_file = "path/to/non_existing_file.pl"
        with pytest.raises(FileNotFoundError) as excinfo:
            PrologKB(pseudo_label_list=pseudo_label_list, 
                     pl_file=non_existing_file)
        assert non_existing_file in str(excinfo.value)
      
    def test_logic_forward_pl1(self, kb_add_prolog):
        result = kb_add_prolog.logic_forward([1, 2])
        assert result == 3
    
    def test_logic_forward_pl2(self, kb_hed):
        consist_exs = [
            [1, 1, "+", 0, "=", 1, 1],
            [1, "+", 1, "=", 1, 0],
            [0, "+", 0, "=", 0],
        ]
        inconsist_exs = [
            [1, 1, "+", 0, "=", 1, 1],
            [1, "+", 1, "=", 1, 0],
            [0, "+", 0, "=", 0],
            [0, "+", 0, "=", 1],
        ]
        assert kb_hed.logic_forward(consist_exs) == True
        assert kb_hed.logic_forward(inconsist_exs) == False    

    def test_revise_at_idx(self, kb_add_prolog):
        result = kb_add_prolog.revise_at_idx([1, 2], 2, [0])
        assert result == [[0, 2]]

class TestReaonser(object):
    def test_reasoner_init(self, reasoner_instance):
        assert reasoner_instance.dist_func == "confidence"
    
    def test_invalid_dist_funce(kb_add):
        with pytest.raises(NotImplementedError) as excinfo:
            ReasonerBase(kb_add, "invalid_dist_func")
        assert "Valid options for dist_func include \"hamming\" and \"confidence\"" in str(excinfo.value)


class test_batch_abduce(object):
    def test_batch_abduce_add(self, kb_add, data_samples_add):
        reasoner = ReasonerBase(kb_add, "confidence")
        res = reasoner.batch_abduce(data_samples_add, max_revision=1, require_more_revision=0)
        assert res == [[1, 7], [7, 1], [], [1, 9]]
        res = reasoner.batch_abduce(data_samples_add, max_revision=1, require_more_revision=1)
        assert res == [[1, 7], [7, 1], [], [1, 9]] 
        res = reasoner.batch_abduce(data_samples_add, max_revision=2, require_more_revision=0)
        assert res == [[1, 7], [7, 1], [8, 9], [1, 9]]
        res = reasoner.batch_abduce(data_samples_add, max_revision=2, require_more_revision=1)
        assert res == [[1, 7], [7, 1], [8, 9], [7, 3]]

    def test_batch_abduce_ground(self, kb_add_ground, data_samples_add):
        reasoner = ReasonerBase(kb_add_ground, "confidence")
        res = reasoner.batch_abduce(data_samples_add, max_revision=1, require_more_revision=0)
        assert res == [(1, 7), (7, 1), [], (1, 9)]
        res = reasoner.batch_abduce(data_samples_add, max_revision=1, require_more_revision=1)
        assert res == [(1, 7), (7, 1), [], (1, 9)] 
        res = reasoner.batch_abduce(data_samples_add, max_revision=2, require_more_revision=0)
        assert res == [(1, 7), (7, 1), (8, 9), (1, 9)]
        res = reasoner.batch_abduce(data_samples_add, max_revision=2, require_more_revision=1)
        assert res == [(1, 7), (7, 1), (8, 9), (7, 3)]

    def test_batch_abduce_prolog(self, kb_add_prolog, data_samples_add):
        reasoner = ReasonerBase(kb_add_prolog, "confidence")
        res = reasoner.batch_abduce(data_samples_add, max_revision=1, require_more_revision=0)
        assert res == [[1, 7], [7, 1], [], [1, 9]]
        res = reasoner.batch_abduce(data_samples_add, max_revision=1, require_more_revision=1)
        assert res == [[1, 7], [7, 1], [], [1, 9]] 
        res = reasoner.batch_abduce(data_samples_add, max_revision=2, require_more_revision=0)
        assert res == [[1, 7], [7, 1], [8, 9], [1, 9]]
        res = reasoner.batch_abduce(data_samples_add, max_revision=2, require_more_revision=1)
        assert res == [[1, 7], [7, 1], [8, 9], [7, 3]]
        
    def test_batch_abduce_zoopt(self, kb_add_prolog, data_samples_add):
        reasoner = ReasonerBase(kb_add_prolog, "confidence", use_zoopt=True)
        res = reasoner.batch_abduce(data_samples_add, max_revision=1)
        assert res == [[1, 7], [7, 1], [], [1, 9]] 
        res = reasoner.batch_abduce(data_samples_add, max_revision=2)
        assert res == [[1, 7], [7, 1], [8, 9], [7, 3]]

    def test_batch_abduce_hwf1(self, kb_hwf1, data_samples_hwf):
        reasoner = ReasonerBase(kb_hwf1, "hamming")
        res = reasoner.batch_abduce(data_samples_hwf, max_revision=3, require_more_revision=0)
        assert res == [['1', '+', '2'], ['8', 'times', '8'], [], ['4', '-', '6', 'div', '8']]
        res = reasoner.batch_abduce(data_samples_hwf, max_revision=0.5, require_more_revision=3)
        assert res == [['1', '+', '2'], [], [], []]
        res = reasoner.batch_abduce(data_samples_hwf, max_revision=0.9, require_more_revision=0)
        assert res == [['1', '+', '2'], ['8', 'times', '8'], [], ['4', '-', '6', 'div', '8']]

    def test_batch_abduce_hwf2(self, kb_hwf2, data_samples_hwf):
        reasoner = ReasonerBase(kb_hwf2, "hamming")
        res = reasoner.batch_abduce(data_samples_hwf, max_revision=3, require_more_revision=0)
        assert res == [['1', '+', '2'], ['7', 'times', '9'], ['8', 'times', '8'], ['5', '-', '8', 'div', '8']]
        res = reasoner.batch_abduce(data_samples_hwf, max_revision=0.5, require_more_revision=3)
        assert res == [['1', '+', '2'], ['7', 'times', '9'], [], ['5', '-', '8', 'div', '8']]
        res = reasoner.batch_abduce(data_samples_hwf, max_revision=0.9, require_more_revision=0)
        assert res == [['1', '+', '2'], ['7', 'times', '9'], ['8', 'times', '8'], ['5', '-', '8', 'div', '8']]