coalib.tests.processes.DummyProcess - Code Metrics - Inspection of "Makman2/bear-prerequisites" - coala-analyzer/coala - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#1127)

by Mischa

created 2015-12-14 12:31 UTC

coalib.tests.processes.DummyProcess A

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	7
Duplicated Lines	0 %

Metric	Value
dl	0
loc	7
rs	10
wmc	2

import os
import queue
import unittest
import sys
import multiprocessing
import platform
import re
import subprocess
from pyprint.ConsolePrinter import ConsolePrinter

sys.path.insert(0, ".")
from coalib.results.HiddenResult import HiddenResult
from coalib.results.Result import Result, RESULT_SEVERITY
from coalib.settings.ConfigurationGathering import gather_configuration
from coalib.output.printers.LogPrinter import LogPrinter
from coalib.processes.CONTROL_ELEMENT import CONTROL_ELEMENT
from coalib.processes.Processing import (execute_section,
                                         process_queues,
                                         create_process_group,
                                         filter_raising_callables)
from coalib.settings.Section import Section
from coalib.settings.Setting import Setting


process_group_test_code = """
import time, subprocess, os, platform, sys;
p=subprocess.Popen([sys.executable,
                  "-c",
                  "import time; time.sleep(0.1)"]);
pgid = p.pid if platform.system() == "Windows" else os.getpgid(p.pid);
print(p.pid, pgid)
p.terminate()
"""


class DummyProcess(multiprocessing.Process):
    def __init__(self, control_queue):
        multiprocessing.Process.__init__(self)
        self.control_queue = control_queue

    def is_alive(self):
        return not self.control_queue.empty()


class ProcessingTestLogPrinter(LogPrinter):
    def __init__(self, log_queue):
        LogPrinter.__init__(self, self)
        self.log_queue = log_queue
        self.set_up = False

    def log_message(self, log_message, timestamp=None, **kwargs):
        self.log_queue.put(log_message)


class ProcessingTest(unittest.TestCase):
    def setUp(self):
        config_path = os.path.abspath(os.path.join(
            os.path.dirname(__file__),
            "section_executor_test_files",
            ".coafile"))
        self.testcode_c_path = os.path.join(os.path.dirname(config_path),
                                            "testcode.c")

        self.result_queue = queue.Queue()
        self.queue = queue.Queue()
        self.log_queue = queue.Queue()
        log_printer = LogPrinter(ConsolePrinter())
        self.log_printer = ProcessingTestLogPrinter(self.log_queue)

        (self.sections,
         self.local_bears,
         self.global_bears,
         targets) = gather_configuration(lambda *args: True,
                                         log_printer,
                                         ["--config", re.escape(config_path)])
        self.assertEqual(len(self.local_bears["default"]), 1)
        self.assertEqual(len(self.global_bears["default"]), 1)
        self.assertEqual(targets, [])

    def test_run(self):
        self.sections['default'].append(Setting('jobs', "1"))
        results = execute_section(self.sections["default"],
                                  self.global_bears["default"],
                                  self.local_bears["default"],
                                  lambda *args: self.result_queue.put(args[2]),
                                  self.log_printer)
        self.assertTrue(results[0])

        local_results = self.result_queue.get(timeout=0)
        global_results = self.result_queue.get(timeout=0)
        self.assertTrue(self.result_queue.empty())

        self.assertEqual(len(local_results), 1)
        self.assertEqual(len(global_results), 1)
        # Result dict also returned
        # One file
        self.assertEqual(len(results[1]), 1)
        # One global bear
        self.assertEqual(len(results[2]), 1)

        local_result = local_results[0]
        global_result = global_results[0]

        self.assertRegex(repr(local_result),
                         "<Result object\\(id={}, origin='LocalTestBear', "
                         "affected_code=\\(\\), severity=NORMAL, message='test"
                         " msg'\\) at 0x[0-9a-fA-F]+>".format(local_result.id))
        self.assertRegex(repr(global_result),
                         "<Result object\\(id={}, origin='GlobalTestBear', "
                         "affected_code=\\(.*start=.*file=.*section_executor_"
                         "test_files.*line=None.*end=.*\\), severity=NORMAL, "
                         "message='test message'\\) at "
                         "0x[0-9a-fA-F]+>".format(global_result.id))

    def test_empty_run(self):
        self.sections['default'].append(Setting('jobs', "bogus!"))
        results = execute_section(self.sections["default"],
                                  [],
                                  [],
                                  lambda *args: self.result_queue.put(args[2]),
                                  self.log_printer)
        # No results
        self.assertFalse(results[0])
        # One file
        self.assertEqual(len(results[1]), 1)
        # No global bear
        self.assertEqual(len(results[2]), 0)

    def test_process_queues(self):
        ctrlq = queue.Queue()

        # Append custom controlling sequences.

        # Simulated process 1
        ctrlq.put((CONTROL_ELEMENT.LOCAL, 1))
        ctrlq.put((CONTROL_ELEMENT.LOCAL_FINISHED, None))
        ctrlq.put((CONTROL_ELEMENT.GLOBAL, 1))

        # Simulated process 2
        ctrlq.put((CONTROL_ELEMENT.LOCAL, 2))

        # Simulated process 1
        ctrlq.put((CONTROL_ELEMENT.GLOBAL_FINISHED, None))

        # Simulated process 2
        ctrlq.put((CONTROL_ELEMENT.LOCAL_FINISHED, None))
        ctrlq.put((CONTROL_ELEMENT.GLOBAL, 1))
        ctrlq.put((CONTROL_ELEMENT.GLOBAL_FINISHED, None))

        first_local = Result.from_values("o", "The first result.", file="f")
        second_local = Result.from_values("ABear",
                                          "The second result.",
                                          file="f",
                                          line=1)
        third_local = Result.from_values("ABear",
                                          "The second result.",
                                          file="f",
                                          line=4)
        fourth_local = Result.from_values("ABear",
                                          "Another result.",
                                          file="f",
                                          line=7)
        first_global = Result("o", "The one and only global result.")
        section = Section("")
        section.append(Setting('min_severity', "normal"))
        process_queues(
            [DummyProcess(control_queue=ctrlq) for i in range(3)],
            ctrlq,
            {1: [first_local,
                 second_local,
                 third_local,
                 # The following are to be ignored
                 Result('o', 'm', severity=RESULT_SEVERITY.INFO),
                 Result.from_values("ABear", "u", file="f", line=2),
                 Result.from_values("ABear", "u", file="f", line=3)],
             2: [fourth_local,
                 # The following are to be ignored
                 HiddenResult("t", "c"),
                 Result.from_values("ABear", "u", file="f", line=5),
                 Result.from_values("ABear", "u", file="f", line=6)]},
            {1: [first_global]},
            {"f": ["first line  # stop ignoring, invalid ignore range\n",
                   "second line  # ignore all\n",
                   "third line\n",
                   "fourth line\n",
                   "# Start ignoring ABear, BBear and CBear\n",
                   "# Stop ignoring\n",
                   "seventh"]},
            lambda *args: self.queue.put(args[2]),
            section,
            self.log_printer)

        self.assertEqual(self.queue.get(timeout=0), ([first_local,
                                                      second_local,
                                                      third_local]))
        self.assertEqual(self.queue.get(timeout=0), ([fourth_local]))
        self.assertEqual(self.queue.get(timeout=0), ([first_global]))
        self.assertEqual(self.queue.get(timeout=0), ([first_global]))

        # No valid FINISH element in the queue
        ctrlq.put((CONTROL_ELEMENT.GLOBAL_FINISHED, None))

        process_queues(
            [DummyProcess(control_queue=ctrlq) for i in range(3)],
            ctrlq,
            {1: "The first result.", 2: "The second result."},
            {1: "The one and only global result."},
            {},
            lambda *args: self.queue.put(args[2]),
            Section(""),
            self.log_printer)
        with self.assertRaises(queue.Empty):
            self.queue.get(timeout=0)

    def test_create_process_group(self):
        p = create_process_group([sys.executable,
                                  "-c",
                                  process_group_test_code],
                                 stdout=subprocess.PIPE,
                                 stderr=subprocess.PIPE)
        retval = p.wait()
        if retval != 0:
            for line in p.stderr:
                print(line, end='')
            raise Exception("Subprocess did not exit correctly")
        output = [i for i in p.stdout]
        p.stderr.close()
        p.stdout.close()
        pid, pgid = [int(i.strip()) for i_out in output for i in i_out.split()]
        if platform.system() != "Windows":
            # There is no way of testing this on windows with the current
            # python modules subprocess and os
            self.assertEqual(p.pid, pgid)

    def test_filter_raising_callables(self):
        class A(Exception):
            pass
        class B(Exception):
            pass
        class C(Exception):
            pass

        def create_exception_raiser(exception):
            def raiser(exc):
                if exception in exc:
                    raise exception
                return exception
            return raiser

        raiseA, raiseB, raiseC = (create_exception_raiser(exc)
                                  for exc in [A, B, C])

        test_list = [raiseA, raiseC, raiseB, raiseC]
        self.assertEqual(list(filter_raising_callables(test_list, A, (A,))),
                         [C, B, C])

        self.assertEqual(list(filter_raising_callables(test_list,
                                                       (B, C),
                                                       exc=(B, C))),
                         [A])

        # Test whether non filtered exceptions bubble up.
        with self.assertRaises(B):
            list(filter_raising_callables(test_list, C, exc=(B, C)))


if __name__ == '__main__':
    unittest.main(verbosity=2)


1			import os
2			import queue
3			import unittest
4			import sys
5			import multiprocessing
6			import platform
7			import re
8			import subprocess
9			from pyprint.ConsolePrinter import ConsolePrinter
10
11			sys.path.insert(0, ".")
12			from coalib.results.HiddenResult import HiddenResult
13			from coalib.results.Result import Result, RESULT_SEVERITY
14			from coalib.settings.ConfigurationGathering import gather_configuration
15			from coalib.output.printers.LogPrinter import LogPrinter
16			from coalib.processes.CONTROL_ELEMENT import CONTROL_ELEMENT
17			from coalib.processes.Processing import (execute_section,
18			process_queues,
19			create_process_group,
20			filter_raising_callables)
21			from coalib.settings.Section import Section
22			from coalib.settings.Setting import Setting
23
24
25			process_group_test_code = """
26			import time, subprocess, os, platform, sys;
27			p=subprocess.Popen([sys.executable,
28			"-c",
29			"import time; time.sleep(0.1)"]);
30			pgid = p.pid if platform.system() == "Windows" else os.getpgid(p.pid);
31			print(p.pid, pgid)
32			p.terminate()
33			"""
34
35
36			class DummyProcess(multiprocessing.Process):
37			def __init__(self, control_queue):
38			multiprocessing.Process.__init__(self)
39			self.control_queue = control_queue
40
41			def is_alive(self):
42			return not self.control_queue.empty()
43
44
45			class ProcessingTestLogPrinter(LogPrinter):
46			def __init__(self, log_queue):
47			LogPrinter.__init__(self, self)
48			self.log_queue = log_queue
49			self.set_up = False
50
51			def log_message(self, log_message, timestamp=None, **kwargs):
52			self.log_queue.put(log_message)
53
54
55			class ProcessingTest(unittest.TestCase):
56			def setUp(self):
57			config_path = os.path.abspath(os.path.join(
58			os.path.dirname(__file__),
59			"section_executor_test_files",
60			".coafile"))
61			self.testcode_c_path = os.path.join(os.path.dirname(config_path),
62			"testcode.c")
63
64			self.result_queue = queue.Queue()
65			self.queue = queue.Queue()
66			self.log_queue = queue.Queue()
67			log_printer = LogPrinter(ConsolePrinter())
68			self.log_printer = ProcessingTestLogPrinter(self.log_queue)
69
70			(self.sections,
71			self.local_bears,
72			self.global_bears,
73			targets) = gather_configuration(lambda *args: True,
74			log_printer,
75			["--config", re.escape(config_path)])
76			self.assertEqual(len(self.local_bears["default"]), 1)
77			self.assertEqual(len(self.global_bears["default"]), 1)
78			self.assertEqual(targets, [])
79
80			def test_run(self):
81			self.sections['default'].append(Setting('jobs', "1"))
82			results = execute_section(self.sections["default"],
83			self.global_bears["default"],
84			self.local_bears["default"],
85			lambda *args: self.result_queue.put(args[2]),
86			self.log_printer)
87			self.assertTrue(results[0])
88
89			local_results = self.result_queue.get(timeout=0)
90			global_results = self.result_queue.get(timeout=0)
91			self.assertTrue(self.result_queue.empty())
92
93			self.assertEqual(len(local_results), 1)
94			self.assertEqual(len(global_results), 1)
95			# Result dict also returned
96			# One file
97			self.assertEqual(len(results[1]), 1)
98			# One global bear
99			self.assertEqual(len(results[2]), 1)
100
101			local_result = local_results[0]
102			global_result = global_results[0]
103
104			self.assertRegex(repr(local_result),
105			"<Result object\\(id={}, origin='LocalTestBear', "
106			"affected_code=\\(\\), severity=NORMAL, message='test"
107			" msg'\\) at 0x[0-9a-fA-F]+>".format(local_result.id))
108			self.assertRegex(repr(global_result),
109			"<Result object\\(id={}, origin='GlobalTestBear', "
110			"affected_code=\\(.start=.file=.*section_executor_"
111			"test_files.line=None.end=.*\\), severity=NORMAL, "
112			"message='test message'\\) at "
113			"0x[0-9a-fA-F]+>".format(global_result.id))
114
115			def test_empty_run(self):
116			self.sections['default'].append(Setting('jobs', "bogus!"))
117			results = execute_section(self.sections["default"],
118			[],
119			[],
120			lambda *args: self.result_queue.put(args[2]),
121			self.log_printer)
122			# No results
123			self.assertFalse(results[0])
124			# One file
125			self.assertEqual(len(results[1]), 1)
126			# No global bear
127			self.assertEqual(len(results[2]), 0)
128
129			def test_process_queues(self):
130			ctrlq = queue.Queue()
131
132			# Append custom controlling sequences.
133
134			# Simulated process 1
135			ctrlq.put((CONTROL_ELEMENT.LOCAL, 1))
136			ctrlq.put((CONTROL_ELEMENT.LOCAL_FINISHED, None))
137			ctrlq.put((CONTROL_ELEMENT.GLOBAL, 1))
138
139			# Simulated process 2
140			ctrlq.put((CONTROL_ELEMENT.LOCAL, 2))
141
142			# Simulated process 1
143			ctrlq.put((CONTROL_ELEMENT.GLOBAL_FINISHED, None))
144
145			# Simulated process 2
146			ctrlq.put((CONTROL_ELEMENT.LOCAL_FINISHED, None))
147			ctrlq.put((CONTROL_ELEMENT.GLOBAL, 1))
148			ctrlq.put((CONTROL_ELEMENT.GLOBAL_FINISHED, None))
149
150			first_local = Result.from_values("o", "The first result.", file="f")
151			second_local = Result.from_values("ABear",
152			"The second result.",
153			file="f",
154			line=1)
155			third_local = Result.from_values("ABear",
156			"The second result.",
157			file="f",
158			line=4)
159			fourth_local = Result.from_values("ABear",
160			"Another result.",
161			file="f",
162			line=7)
163			first_global = Result("o", "The one and only global result.")
164			section = Section("")
165			section.append(Setting('min_severity', "normal"))
166			process_queues(
167			[DummyProcess(control_queue=ctrlq) for i in range(3)],
168			ctrlq,
169			{1: [first_local,
170			second_local,
171			third_local,
172			# The following are to be ignored
173			Result('o', 'm', severity=RESULT_SEVERITY.INFO),
174			Result.from_values("ABear", "u", file="f", line=2),
175			Result.from_values("ABear", "u", file="f", line=3)],
176			2: [fourth_local,
177			# The following are to be ignored
178			HiddenResult("t", "c"),
179			Result.from_values("ABear", "u", file="f", line=5),
180			Result.from_values("ABear", "u", file="f", line=6)]},
181			{1: [first_global]},
182			{"f": ["first line # stop ignoring, invalid ignore range\n",
183			"second line # ignore all\n",
184			"third line\n",
185			"fourth line\n",
186			"# Start ignoring ABear, BBear and CBear\n",
187			"# Stop ignoring\n",
188			"seventh"]},
189			lambda *args: self.queue.put(args[2]),
190			section,
191			self.log_printer)
192
193			self.assertEqual(self.queue.get(timeout=0), ([first_local,
194			second_local,
195			third_local]))
196			self.assertEqual(self.queue.get(timeout=0), ([fourth_local]))
197			self.assertEqual(self.queue.get(timeout=0), ([first_global]))
198			self.assertEqual(self.queue.get(timeout=0), ([first_global]))
199
200			# No valid FINISH element in the queue
201			ctrlq.put((CONTROL_ELEMENT.GLOBAL_FINISHED, None))
202
203			process_queues(
204			[DummyProcess(control_queue=ctrlq) for i in range(3)],
205			ctrlq,
206			{1: "The first result.", 2: "The second result."},
207			{1: "The one and only global result."},
208			{},
209			lambda *args: self.queue.put(args[2]),
210			Section(""),
211			self.log_printer)
212			with self.assertRaises(queue.Empty):
213			self.queue.get(timeout=0)
214
215			def test_create_process_group(self):
216			p = create_process_group([sys.executable,
217			"-c",
218			process_group_test_code],
219			stdout=subprocess.PIPE,
220			stderr=subprocess.PIPE)
221			retval = p.wait()
222			if retval != 0:
223			for line in p.stderr:
224			print(line, end='')
225			raise Exception("Subprocess did not exit correctly")
226			output = [i for i in p.stdout]
227			p.stderr.close()
228			p.stdout.close()
229			pid, pgid = [int(i.strip()) for i_out in output for i in i_out.split()]
230			if platform.system() != "Windows":
231			# There is no way of testing this on windows with the current
232			# python modules subprocess and os
233			self.assertEqual(p.pid, pgid)
234
235			def test_filter_raising_callables(self):
236			class A(Exception):
237			pass
238			class B(Exception):
239			pass
240			class C(Exception):
241			pass
242
243			def create_exception_raiser(exception):
244			def raiser(exc):
245			if exception in exc:
246			raise exception
247			return exception
248			return raiser
249
250			raiseA, raiseB, raiseC = (create_exception_raiser(exc)
251			for exc in [A, B, C])
252
253			test_list = [raiseA, raiseC, raiseB, raiseC]
254			self.assertEqual(list(filter_raising_callables(test_list, A, (A,))),
255			[C, B, C])
256
257			self.assertEqual(list(filter_raising_callables(test_list,
258			(B, C),
259			exc=(B, C))),
260			[A])
261
262			# Test whether non filtered exceptions bubble up.
263			with self.assertRaises(B):
264			list(filter_raising_callables(test_list, C, exc=(B, C)))
265
266
267			if __name__ == '__main__':
268			unittest.main(verbosity=2)
269

coala-analyzer / coala

Pull Request — master (#1127)

coalib.tests.processes.DummyProcess A

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