def test_simple_objects(self):
"""
Parsing a collection of simple objects_data
:return:
"""
# First define the function that we want to test
# (not useful, but just to show a complete story in the readme...)
def exec_op(x: float, y: float, op: str) -> float:
if op is '+':
return x + y
elif op is '-':
return x - y
else:
raise ValueError('Unsupported operation : \'' + op + '\'')
# Then define the simple class representing your test case
class ExecOpTest(object):
def __init__(self, x: float, y: float, op: str,
expected_result: float):
self.x = x
self.y = y
self.op = op
self.expected_result = expected_result
def __str__(self):
return self.__repr__()
def __repr__(self):
return str(self.x) + ' ' + self.op + ' ' + str(
self.y) + ' =? ' + str(self.expected_result)
# Create the parser and parse a single file
# e = parse_item('./test_data/objects_data/test_diff_1', ExecOpTest)
# pprint(e)
# parse all of them as dicts
sf_tests_dct = parse_collection(fix_path('./simple_objects'), Dict)
# assert that they are sorted
assert list(sf_tests_dct.keys()) == list(sorted(sf_tests_dct.keys()))
# parse all of them as objects_data
sf_tests = parse_collection(fix_path('./simple_objects'), ExecOpTest)
pprint(sf_tests)
#
RootParser().print_capabilities_for_type(typ=ExecOpTest)
def test_simple_object_with_contract_attrs(self):
"""
Parsing a collection of simple objects_data where the class is defined with `attrs`
:return:
"""
import attr
from attr.validators import instance_of
from parsyfiles.plugins_optional.support_for_attrs import chain
# custom contract used in the class
def validate_io_op(instance, attribute, value):
allowed = {'+', '*'}
if value not in allowed:
raise ValueError('\'op\' has to be a string, in ' +
str(allowed) + '!')
@attr.s
class ExecOpTest(object):
x = attr.ib(convert=float, validator=instance_of(float))
y = attr.ib(convert=float, validator=instance_of(float))
op = attr.ib(convert=str,
validator=chain(instance_of(str), validate_io_op))
expected_result = attr.ib(convert=float,
validator=instance_of(float))
try:
sf_tests = parse_collection(fix_path('./simple_objects'),
ExecOpTest)
except ParsingException as e:
self.assertIn(
'<class \'ValueError\'> \'op\' has to be a string, in ',
e.args[0])
def test_objects_support(self):
"""
Tests all the supported ways to parse a simple object
:return:
"""
# Then define the simple class representing your test case
class ExecOpTest(object):
def __init__(self, x: float, y: float, op: str,
expected_result: float):
self.x = x
self.y = y
self.op = op
self.expected_result = expected_result
def __str__(self):
return self.__repr__()
def __repr__(self):
return str(self.x) + ' ' + self.op + ' ' + str(
self.y) + ' =? ' + str(self.expected_result)
# create the parser and parse a single file
e = parse_item(fix_path('./test_data/objects/test_diff_1'), ExecOpTest)
pprint(e)
# parse all of them
e = parse_collection(fix_path('./test_data/objects'), ExecOpTest)
pprint(e)
def test_simple_collection_lazy(self):
"""
Parsing a collection of dataframes in lazy mode
:return:
"""
from pandas import DataFrame
dfs = parse_collection(fix_path('./test_data/demo/simple_collection'),
DataFrame,
lazy_mfcollection_parsing=True)
# check len
self.assertEquals(len(dfs), 5)
print('dfs length : ' + str(len(dfs)))
# check keys
self.assertEquals(dfs.keys(), {'a', 'b', 'c', 'd', 'e'})
print('dfs keys : ' + str(dfs.keys()))
# check contains
self.assertTrue('b' in dfs)
print('Is b in dfs : ' + str('b' in dfs))
# check iter
self.assertEquals({key for key in dfs}, {'a', 'b', 'c', 'd', 'e'})
# check get
self.assertIsNotNone(dfs.get('b'))
pprint(dfs.get('b'))
# check values
for value in dfs.values():
print(value)
# check items
for key, value in dfs.items():
print(value)
# finally print
pprint(dfs)
def test_simple_collection_dataframe_all(self):
"""
All the possible ways to parse a dataframe
:return:
"""
from pandas import DataFrame
# TODO recreate a t_pickle.pyc example with latest version of pandas (current file is obsolete)
dfs = parse_collection(
fix_path('./simple_collection_dataframe_inference'), DataFrame)
pprint(dfs)
def test_simple_collection_dataframe_all(self):
"""
All the possible ways to parse a dataframe
:return:
"""
from pandas import DataFrame
dfs = parse_collection(
fix_path('./test_data/demo/simple_collection_dataframe_inference'),
DataFrame)
pprint(dfs)
def test_multifile_objects(self):
"""
Parsing a list of multifile objects_data
:return:
"""
from pandas import Series, DataFrame
class AlgoConf(object):
def __init__(self, foo_param: str, bar_param: int):
self.foo_param = foo_param
self.bar_param = bar_param
class AlgoResults(object):
def __init__(self, score: float, perf: float):
self.score = score
self.perf = perf
def exec_op_series(x: Series, y: AlgoConf) -> AlgoResults:
pass
class ExecOpSeriesTest(object):
def __init__(self, x: Series, y: AlgoConf,
expected_results: AlgoResults):
self.x = x
self.y = y
self.expected_results = expected_results
# parse all of them
mf_tests = parse_collection(fix_path('./complex_objects'),
ExecOpSeriesTest)
pprint(mf_tests)
RootParser().print_capabilities_for_type(typ=ExecOpSeriesTest)
from parsyfiles import FlatFileMappingConfiguration
dfs = parse_collection(
fix_path('./complex_objects_flat'),
DataFrame,
file_mapping_conf=FlatFileMappingConfiguration())
pprint(dfs)
def test_simple_collection(self):
"""
Parsing a collection of dataframes as a dictionary
:return:
"""
from pandas import DataFrame
dfs = parse_collection(fix_path('./simple_collection'), DataFrame)
pprint(dfs)
df = parse_item(fix_path('./simple_collection/c'), DataFrame)
pprint(df)
RootParser().print_capabilities_for_type(typ=DataFrame)
def test_simple_collection_nologs(self):
"""
parsing a collection of dataframe with a different logger
:return:
"""
from pandas import DataFrame
dfs = parse_collection(fix_path('./simple_collection'),
DataFrame,
logger=getLogger())
pprint(dfs)
df = parse_item(fix_path('./simple_collection/c'),
DataFrame,
logger=getLogger())
pprint(df)
def test_simple_objects_support():
"""
Tests all the supported ways to parse a simple object
:return:
"""
# create the parser and parse a single file
e = parse_item(get_path('test1', 'test_diff_1'), ExecOpTest)
pprint(e)
# parse all of them
e = parse_collection(get_path('test1'), ExecOpTest)
pprint(e)
for case_name, case in e.items():
assert exec_op(case.x, case.y, case.op) == case.expected_result
def test_simple_object_with_contract_classtools(self):
"""
Parsing a collection of simple objects where the class is defined with `autocode-classtools`
:return:
"""
from classtools_autocode import autoprops, autoargs
from contracts import contract, new_contract
# custom contract used in the class
new_contract('allowed_op', lambda x: x in {'+', '*'})
@autoprops
class ExecOpTest(object):
@autoargs
@contract(x='int|float',
y='int|float',
op='str,allowed_op',
expected_result='int|float')
def __init__(self, x: float, y: float, op: str,
expected_result: float):
pass
def __str__(self):
return self.__repr__()
def __repr__(self):
return str(self.x) + ' ' + self.op + ' ' + str(
self.y) + ' =? ' + str(self.expected_result)
try:
sf_tests = parse_collection(
fix_path('./test_data/demo/simple_objects'), ExecOpTest)
except ParsingException as e:
self.assertIn(
'<class \'contracts.interface.ContractNotRespected\'> '
'Breach for argument \'op\' to ExecOpTest:generated_setter_fun().\n'
'Value does not pass criteria of <lambda>()() (module: test_parsyfiles).\n'
'checking: callable() for value: Instance of <class \'str\'>: \'-\' \n'
'checking: allowed_op for value: Instance of <class \'str\'>: \'-\' \n'
'checking: str,allowed_op for value: Instance of <class \'str\'>: \'-\' \n'
'Variables bound in inner context:\n! cannot write context\n',
e.args[0])
import os
from pprint import pprint
import pytest
from parsyfiles.tests.parsing_capabilities_by_type.test_parse_custom_object import ExecOpTest, exec_op
from parsyfiles import parse_collection, get_capabilities_for_type
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
# check that we can parse this type
pprint(get_capabilities_for_type(ExecOpTest))
# let's parse the collection of tests
cases = parse_collection(os.path.join(THIS_DIR, os.pardir,
'parsing_capabilities_by_type',
'objects_data', 'test1'),
ExecOpTest,
lazy_mfcollection_parsing=True)
@pytest.mark.parametrize("case_name", cases.keys())
def test_simple_objects(case_name: str):
""" pytest integration tests: reads simple test case data from a folder and executes the corresponding tests """
case = cases[
case_name] # lazy-load case data (so that parsing errors don't fail the whole collection)
print(case)
assert exec_op(case.x, case.y, case.op) == case.expected_result
