coalib.tests.execute_coala() - Code Metrics - Inspection of "Decouple bears from coalib.tests" - coala-analyzer/coala - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — master (#1596)

by Lasse

created 2016-02-20 12:56 UTC

coalib.tests.execute_coala() A

↳ Parent: Project

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Metric	Value
cc	2
dl	0
loc	13
rs	9.4285

from contextlib import contextmanager
import os
import pkg_resources
import sys

from coalib.misc.ContextManagers import retrieve_stdout


def execute_coala(func, binary, *args):
    """
    Executes the main function with the given argument string from given module.

    :param function: A main function from coala_json, coala_ci module etc.
    :param binary:   A binary to execute coala test
    :return:         A tuple holding a return value first and
                     a stdout output as second element.
    """
    sys.argv = [binary] + list(args)
    with retrieve_stdout() as stdout:
        retval = func()
        return retval, stdout.getvalue()


@contextmanager
def bear_test_module():
    """
    This function replaces the pkg_resources.iter_entry_points()
    to use the testing bear module we have. Hence, it doesn't test
    the collection of entry points.
    """
    old_iter = pkg_resources.iter_entry_points
    bears_test_module = os.path.join(os.path.dirname(__file__),
                                     "coala_bears_test_module",
                                     "__init__.py")

    def test_iter_entry_points(name):
        assert name == "coalabears"

        class EntryPoint:

            @staticmethod
            def load():
                class PseudoPlugin:
                    __file__ = bears_test_module
                return PseudoPlugin()

        return iter([EntryPoint()])

    pkg_resources.iter_entry_points = test_iter_entry_points
    try:
        yield
    finally:
        pkg_resources.iter_entry_points = old_iter


1			from contextlib import contextmanager
2			import os
3			import pkg_resources
4			import sys
5
6			from coalib.misc.ContextManagers import retrieve_stdout
7
8
9			def execute_coala(func, binary, *args):
10			"""
11			Executes the main function with the given argument string from given module.
12
13			:param function: A main function from coala_json, coala_ci module etc.
14			:param binary: A binary to execute coala test
15			:return: A tuple holding a return value first and
16			a stdout output as second element.
17			"""
18			sys.argv = [binary] + list(args)
19			with retrieve_stdout() as stdout:
20			retval = func()
21			return retval, stdout.getvalue()
22
23
24			@contextmanager
25			def bear_test_module():
26			"""
27			This function replaces the pkg_resources.iter_entry_points()
28			to use the testing bear module we have. Hence, it doesn't test
29			the collection of entry points.
30			"""
31			old_iter = pkg_resources.iter_entry_points
32			bears_test_module = os.path.join(os.path.dirname(__file__),
33			"coala_bears_test_module",
34			"__init__.py")
35
36			def test_iter_entry_points(name):
37			assert name == "coalabears"
38
39			class EntryPoint:
40
41			@staticmethod
42			def load():
43			class PseudoPlugin:
44			__file__ = bears_test_module
45			return PseudoPlugin()
46
47			return iter([EntryPoint()])
48
49			pkg_resources.iter_entry_points = test_iter_entry_points
50			try:
51			yield
52			finally:
53			pkg_resources.iter_entry_points = old_iter
54

coala-analyzer / coala

Pull Request — master (#1596)

coalib.tests.execute_coala() A

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