command_test.CommandTest.test_command_with_stdout_ok() - Code Metrics - Inspection of "Updated scrutinizer quality parameters" - stakkr-org/stakkr - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( e8584f...303446 )

by Emmanuel

created 2018-08-04 21:42 UTC

CommandTest.test_command_with_stdout_ok() A

↳ Parent: command_test

Complexity

Conditions

Size

Total Lines	21
Code Lines	17

Duplication

Lines	21
Ratio	100 %

Importance

Changes

Metric	Value
cc	5
eloc	17
nop	1
dl	21
loc	21
rs	9.0833
c	0
b	0
f	0

import io
import os
import re
import sys
import unittest

from contextlib import redirect_stdout
from stakkr.command import launch_cmd_displays_output

base_dir = os.path.abspath(os.path.dirname(__file__))
sys.path.insert(0, base_dir + '/../')


# https://docs.python.org/3/library/unittest.html#assert-methods
class CommandTest(unittest.TestCase):
    cmd_ok = ['echo', 'coucou']
    cmd_nook = ['cat', '/does/not/exist']
    cmd_err = ['echoo']

    def test_command_without_stdout_ok(self):

        # TODO make it work under windows
        if os.name == 'nt':
            return

        f = io.StringIO()
        with redirect_stdout(f):
            launch_cmd_displays_output(self.cmd_ok, False, False)
        res = f.getvalue()
        self.assertEqual('.', res[:1])

        try:
            from contextlib import redirect_stderr
        except Exception:
            return

        f = io.StringIO()
        with redirect_stderr(f):
            launch_cmd_displays_output(self.cmd_ok, False, False)
        res = f.getvalue()
        self.assertEqual('', res)

    def test_command_with_stdout_ok(self):

        # TODO make it work under windows
        if os.name == 'nt':
            return

        f = io.StringIO()
        with redirect_stdout(f):
            launch_cmd_displays_output(self.cmd_ok, True, False)
        res = f.getvalue()
        self.assertEqual('coucou\n\n', res)

        try:
            from contextlib import redirect_stderr
        except Exception:
            return

        f = io.StringIO()
        with redirect_stderr(f):
            launch_cmd_displays_output(self.cmd_ok, True, False)
        res = f.getvalue()
        self.assertEqual('', res)

    def test_command_with_stderr_no_stdout_ok(self):

        # TODO make it work under windows
        if os.name == 'nt':
            return

        f = io.StringIO()
        with redirect_stdout(f):
            launch_cmd_displays_output(self.cmd_ok, False, True)
        res = f.getvalue()
        self.assertEqual('.', res[:1])

        try:
            from contextlib import redirect_stderr
        except Exception:
            return

        f = io.StringIO()
        with redirect_stderr(f):
            launch_cmd_displays_output(self.cmd_ok, False, True)
        res = f.getvalue()
        self.assertEqual('', res)

    def test_command_exception(self):
        with self.assertRaisesRegex(SystemError, r"Cannot run the command: \[.*Err.*2\]"):
            launch_cmd_displays_output(self.cmd_err, True, True)

    def test_command_without_stderr_and_stdout_err(self):

        # TODO make it work under windows
        if os.name == 'nt':
            return

        f = io.StringIO()
        with redirect_stdout(f):
            launch_cmd_displays_output(self.cmd_nook, False, False)
        res = f.getvalue()
        self.assertEqual('\n', res)

        try:
            from contextlib import redirect_stderr
        except Exception:
            return

        f = io.StringIO()
        with redirect_stderr(f):
            launch_cmd_displays_output(self.cmd_nook, False, False)
        res = f.getvalue()
        self.assertEqual('', res)

    def test_command_without_stderr_but_stdout_err(self):

        # TODO make it work under windows
        if os.name == 'nt':
            return

        f = io.StringIO()
        with redirect_stdout(f):
            launch_cmd_displays_output(self.cmd_nook, True, False)
        res = f.getvalue()
        self.assertEqual('\n', res)

        try:
            from contextlib import redirect_stderr
        except Exception:
            return

        f = io.StringIO()
        with redirect_stderr(f):
            launch_cmd_displays_output(self.cmd_nook, True, False)
        res = f.getvalue()
        self.assertEqual('', res)

    def test_command_with_stderr_no_stdout_err(self):

        # TODO make it work under windows
        if os.name == 'nt':
            return

        f = io.StringIO()
        with redirect_stdout(f):
            launch_cmd_displays_output(self.cmd_nook, False, True)
        res = f.getvalue()
        expected = re.compile('.*No such file or directory.*', re.MULTILINE)
        self.assertRegex(res, expected)

        try:
            from contextlib import redirect_stderr
        except Exception:
            return

        f = io.StringIO()
        with redirect_stderr(f):
            launch_cmd_displays_output(self.cmd_nook, False, True)
        res = f.getvalue()
        self.assertEqual('', res)

    def test_command_with_stderr_no_stdout_err_loop(self):

        # TODO make it work under windows
        if os.name == 'nt':
            return

        f = io.StringIO()
        with redirect_stdout(f):
            cmd = ['cat', 'w', 'r', 'o', 'n', 'g', 'f', 'i', 'l', 'e']
            launch_cmd_displays_output(cmd, False, True)
        res = f.getvalue()
        expected = re.compile(r'.*\.\.\. and more.*', re.MULTILINE)
        self.assertRegex(res, expected)

        try:
            from contextlib import redirect_stderr
        except Exception:
            return

        f = io.StringIO()
        with redirect_stderr(f):
            launch_cmd_displays_output(self.cmd_nook, False, True)
        res = f.getvalue()
        self.assertEqual('', res)


if __name__ == "__main__":
    unittest.main()


1		import io
2		import os
3		import re
4		import sys
5		import unittest
6
7		from contextlib import redirect_stdout
8		from stakkr.command import launch_cmd_displays_output
9
10		base_dir = os.path.abspath(os.path.dirname(__file__))
11		sys.path.insert(0, base_dir + '/../')
12
13
14		# https://docs.python.org/3/library/unittest.html#assert-methods
15		class CommandTest(unittest.TestCase):
16		cmd_ok = ['echo', 'coucou']
17		cmd_nook = ['cat', '/does/not/exist']
18		cmd_err = ['echoo']
19
20	View Code Duplication	def test_command_without_stdout_ok(self):
		0 ignored issues – show Duplication introduced 2018-08-04 21:46 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
21		# TODO make it work under windows
22		if os.name == 'nt':
23		return
24
25		f = io.StringIO()
26		with redirect_stdout(f):
27		launch_cmd_displays_output(self.cmd_ok, False, False)
28		res = f.getvalue()
29		self.assertEqual('.', res[:1])
30
31		try:
32		from contextlib import redirect_stderr
33		except Exception:
34		return
35
36		f = io.StringIO()
37		with redirect_stderr(f):
38		launch_cmd_displays_output(self.cmd_ok, False, False)
39		res = f.getvalue()
40		self.assertEqual('', res)
41
42	View Code Duplication	def test_command_with_stdout_ok(self):
		0 ignored issues – show Duplication introduced 2018-08-04 21:46 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
43		# TODO make it work under windows
44		if os.name == 'nt':
45		return
46
47		f = io.StringIO()
48		with redirect_stdout(f):
49		launch_cmd_displays_output(self.cmd_ok, True, False)
50		res = f.getvalue()
51		self.assertEqual('coucou\n\n', res)
52
53		try:
54		from contextlib import redirect_stderr
55		except Exception:
56		return
57
58		f = io.StringIO()
59		with redirect_stderr(f):
60		launch_cmd_displays_output(self.cmd_ok, True, False)
61		res = f.getvalue()
62		self.assertEqual('', res)
63
64	View Code Duplication	def test_command_with_stderr_no_stdout_ok(self):
		0 ignored issues – show Duplication introduced 2018-08-04 21:46 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
65		# TODO make it work under windows
66		if os.name == 'nt':
67		return
68
69		f = io.StringIO()
70		with redirect_stdout(f):
71		launch_cmd_displays_output(self.cmd_ok, False, True)
72		res = f.getvalue()
73		self.assertEqual('.', res[:1])
74
75		try:
76		from contextlib import redirect_stderr
77		except Exception:
78		return
79
80		f = io.StringIO()
81		with redirect_stderr(f):
82		launch_cmd_displays_output(self.cmd_ok, False, True)
83		res = f.getvalue()
84		self.assertEqual('', res)
85
86		def test_command_exception(self):
87		with self.assertRaisesRegex(SystemError, r"Cannot run the command: \[.Err.2\]"):
88		launch_cmd_displays_output(self.cmd_err, True, True)
89
90	View Code Duplication	def test_command_without_stderr_and_stdout_err(self):
		0 ignored issues – show Duplication introduced 2018-08-04 21:46 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
91		# TODO make it work under windows
92		if os.name == 'nt':
93		return
94
95		f = io.StringIO()
96		with redirect_stdout(f):
97		launch_cmd_displays_output(self.cmd_nook, False, False)
98		res = f.getvalue()
99		self.assertEqual('\n', res)
100
101		try:
102		from contextlib import redirect_stderr
103		except Exception:
104		return
105
106		f = io.StringIO()
107		with redirect_stderr(f):
108		launch_cmd_displays_output(self.cmd_nook, False, False)
109		res = f.getvalue()
110		self.assertEqual('', res)
111
112	View Code Duplication	def test_command_without_stderr_but_stdout_err(self):
		0 ignored issues – show Duplication introduced 2018-08-04 21:46 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
113		# TODO make it work under windows
114		if os.name == 'nt':
115		return
116
117		f = io.StringIO()
118		with redirect_stdout(f):
119		launch_cmd_displays_output(self.cmd_nook, True, False)
120		res = f.getvalue()
121		self.assertEqual('\n', res)
122
123		try:
124		from contextlib import redirect_stderr
125		except Exception:
126		return
127
128		f = io.StringIO()
129		with redirect_stderr(f):
130		launch_cmd_displays_output(self.cmd_nook, True, False)
131		res = f.getvalue()
132		self.assertEqual('', res)
133
134	View Code Duplication	def test_command_with_stderr_no_stdout_err(self):
		0 ignored issues – show Duplication introduced 2018-08-04 21:46 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
135		# TODO make it work under windows
136		if os.name == 'nt':
137		return
138
139		f = io.StringIO()
140		with redirect_stdout(f):
141		launch_cmd_displays_output(self.cmd_nook, False, True)
142		res = f.getvalue()
143		expected = re.compile('.No such file or directory.', re.MULTILINE)
144		self.assertRegex(res, expected)
145
146		try:
147		from contextlib import redirect_stderr
148		except Exception:
149		return
150
151		f = io.StringIO()
152		with redirect_stderr(f):
153		launch_cmd_displays_output(self.cmd_nook, False, True)
154		res = f.getvalue()
155		self.assertEqual('', res)
156
157	View Code Duplication	def test_command_with_stderr_no_stdout_err_loop(self):
		0 ignored issues – show Duplication introduced 2018-08-04 21:46 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
158		# TODO make it work under windows
159		if os.name == 'nt':
160		return
161
162		f = io.StringIO()
163		with redirect_stdout(f):
164		cmd = ['cat', 'w', 'r', 'o', 'n', 'g', 'f', 'i', 'l', 'e']
165		launch_cmd_displays_output(cmd, False, True)
166		res = f.getvalue()
167		expected = re.compile(r'.\.\.\. and more.', re.MULTILINE)
168		self.assertRegex(res, expected)
169
170		try:
171		from contextlib import redirect_stderr
172		except Exception:
173		return
174
175		f = io.StringIO()
176		with redirect_stderr(f):
177		launch_cmd_displays_output(self.cmd_nook, False, True)
178		res = f.getvalue()
179		self.assertEqual('', res)
180
181
182		if __name__ == "__main__":
183		unittest.main()
184

stakkr-org / stakkr

Push — master ( e8584f...303446 )

CommandTest.test_command_with_stdout_ok() A

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Duplication

Importance

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