Passed
Push — dev ( 67478a...3ac626 )
by Konstantinos
01:30
created

conftest.r_data_manager()   A

Complexity

Conditions 1

Size

Total Lines 3
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 3
dl 0
loc 3
rs 10
c 0
b 0
f 0
cc 1
nop 0
1
import os
2
import pytest
3
4
5
my_dir = os.path.dirname(os.path.realpath(__file__))
6
7
####### Files and folders
8
@pytest.fixture
9
def tests_root_dir():
10
    return my_dir
11
12
@pytest.fixture
13
def tests_data_root(tests_root_dir):
14
    return os.path.join(tests_root_dir, 'dts')
15
16
17
@pytest.fixture
18
def sample_json(tests_data_root):
19
    return os.path.join(tests_data_root, 'sample-strains.jl')
20
21
@pytest.fixture
22
def sample_collaped_json(tests_data_root):
23
    return os.path.join(tests_data_root, 'sample-strains-colapsed.jl')
24
25
26
@pytest.fixture()
27
def test_json_data(sample_json):
28
    return {
29
        'file_path': sample_json,
30
        'nb_lines': 100,
31
        'attributes': {'flavors', 'name', 'medical', 'description', 'image_urls', 'parents', 'negatives', 'grow_info', '_id', 'type', 'image_paths', 'effects'},
32
    }
33
34
35
@pytest.fixture
36
def data_manager():
37
    from green_magic.data import data_manager
38
39
    datapoints_fact = data_manager.backend.engine.__class__.datapoints_factory
40
    cmd_fact = data_manager.backend.engine.command_factory
41
42
    # test 1
43
    from green_magic.data.dataset import DatapointsFactory
44
    from green_magic.data.command_factories import MagicCommandFactory
45
    from green_magic.data.features.phi import PhiFunction
46
    assert isinstance(datapoints_fact, DatapointsFactory)
47
    assert isinstance(cmd_fact, MagicCommandFactory)
48
49
    subjects = [datapoints_fact.subject, cmd_fact, PhiFunction.subject]
50
    assert len(set([id(x._observers) for x in subjects])) == len(subjects)
51
52
    assert datapoints_fact.subject._observers[0] == data_manager.backend.datapoints_manager
53
    assert cmd_fact._observers[0] == data_manager.commands_manager.command.accumulator
54
    assert PhiFunction.subject._observers[0] == data_manager.built_phis
55
56
    assert all(len(x._observers) == 1 for x in subjects)
57
58
    return data_manager
59
60
61
@pytest.fixture
62
def test_engine(data_manager):
63
    from green_magic.data.backend import DataEngine
64
    from green_magic.data.backend.panda_handling.df_backend import PDTabularIterator, PDTabularRetriever, PDTabularMutator
65
    DataEngine.new('test_pd')
66
    DataEngine.test_pd.retriever = PDTabularRetriever
67
    DataEngine.test_pd.iterator = PDTabularIterator
68
    DataEngine.test_pd.mutator = PDTabularMutator
69
    subjects = [
70
        data_manager.backend.engine.__class__.datapoints_factory.subject,
71
        DataEngine.test_pd.command_factory,
72
    ]
73
    for s in subjects:
74
        for o in s._observers:
75
            s.detach(o)
76
77
    subjects[0].attach(data_manager.backend.datapoints_manager)
78
    subjects[1].attach(data_manager.commands_manager.command.accumulator)
79
80
    assert all([len(x) == 1 for x in (
81
        data_manager.backend.engine.__class__.datapoints_factory.subject._observers,
82
        DataEngine.test_pd.command_factory._observers,
83
    )])
84
    return DataEngine.test_pd
85
86
87
@pytest.fixture
88
def define_observations_command(test_engine):
89
    import pandas as pd
90
    @test_engine.dec()
91
    def observations(file_path):
92
        return pd.read_json(file_path, lines=True)
93
    assert 'observations' in test_engine.registry
94
    assert len(test_engine.registry) == 1
95
96
97
@pytest.fixture
98
def datapoints(data_manager, define_observations_command, test_json_data):
99
    cmd = data_manager.command.observations
100
    cmd.args = [test_json_data['file_path']]
101
102
    from green_magic.utils.commands import Invoker, CommandHistory
103
104
    inv = Invoker(CommandHistory())
105
    inv.execute_command(cmd)
106
    return data_manager.backend.datapoints_manager.datapoints
107
108
# Helpers
109
@pytest.fixture
110
def factories():
111
    def factories_dict(data_manager_instance):
112
        return {'cmd': DataEngine.test_pd.command_factory}
0 ignored issues
show
Comprehensibility Best Practice introduced by
The variable DataEngine does not seem to be defined.
Loading history...