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import unittest |
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import sys |
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import subprocess |
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import os |
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from coalib.misc.ContextManagers import (suppress_stdout, |
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retrieve_stdout, |
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simulate_console_inputs, |
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subprocess_timeout, |
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make_temp, |
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prepare_file) |
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from coalib.processes.Processing import create_process_group |
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process_group_timeout_test_code = """ |
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import time, subprocess, sys; |
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p = subprocess.Popen([sys.executable, |
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"-c", |
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"import time; time.sleep(100)"]); |
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time.sleep(100); |
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""" |
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class ContextManagersTest(unittest.TestCase): |
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def test_subprocess_timeout(self): |
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p = subprocess.Popen([sys.executable, |
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"-c", |
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"import time; time.sleep(0.5);"], |
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stderr=subprocess.PIPE) |
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with subprocess_timeout(p, 0.2) as timedout: |
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retval = p.wait() |
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p.stderr.close() |
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self.assertEqual(timedout.value, True) |
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self.assertNotEqual(retval, 0) |
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p = create_process_group([sys.executable, |
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"-c", |
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process_group_timeout_test_code]) |
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with subprocess_timeout(p, 0.5, kill_pg=True): |
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retval = p.wait() |
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self.assertEqual(timedout.value, True) |
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self.assertNotEqual(retval, 0) |
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p = subprocess.Popen([sys.executable, |
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"-c", |
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"import time"]) |
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with subprocess_timeout(p, 0.5) as timedout: |
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retval = p.wait() |
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self.assertEqual(timedout.value, False) |
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self.assertEqual(retval, 0) |
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p = subprocess.Popen([sys.executable, |
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"-c", |
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"import time"]) |
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with subprocess_timeout(p, 0) as timedout: |
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retval = p.wait() |
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self.assertEqual(timedout.value, False) |
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self.assertEqual(retval, 0) |
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def test_suppress_stdout(self): |
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def print_func(): |
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print("func") |
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raise NotImplementedError |
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def no_print_func(): |
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with suppress_stdout(): |
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print("func") |
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raise NotImplementedError |
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old_stdout = sys.stdout |
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sys.stdout = False |
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self.assertRaises(AttributeError, print_func) |
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self.assertRaises(NotImplementedError, no_print_func) |
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sys.stdout = old_stdout |
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def test_retrieve_stdout(self): |
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with retrieve_stdout() as sio: |
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print("test") |
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self.assertEqual(sio.getvalue(), "test\n") |
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84
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def test_simulate_console_inputs(self): |
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with simulate_console_inputs(0, 1, 2) as generator: |
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self.assertEqual(input(), 0) |
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self.assertEqual(generator.last_input, 0) |
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generator.inputs.append(3) |
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self.assertEqual(input(), 1) |
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self.assertEqual(input(), 2) |
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self.assertEqual(input(), 3) |
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self.assertEqual(generator.last_input, 3) |
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with simulate_console_inputs("test"), self.assertRaises(ValueError): |
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self.assertEqual(input(), "test") |
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input() |
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98
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def test_make_temp(self): |
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with make_temp() as f_a: |
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self.assertTrue(os.path.isfile(f_a)) |
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self.assertTrue(os.path.basename(f_a).startswith("tmp")) |
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with make_temp(suffix=".orig", prefix="pre") as f_b: |
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self.assertTrue(f_b.endswith(".orig")) |
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self.assertTrue(os.path.basename(f_b).startswith("pre")) |
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107
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def test_prepare_file(self): |
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with prepare_file(['line1', 'line2\n'], |
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"/file/name", |
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force_linebreaks=True, |
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create_tempfile=True) as (lines, filename): |
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self.assertEqual(filename, '/file/name') |
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self.assertEqual(lines, ['line1\n', 'line2\n']) |
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115
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with prepare_file(['line1', 'line2\n'], |
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None, |
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force_linebreaks=False, |
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create_tempfile=True) as (lines, filename): |
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self.assertTrue(os.path.isfile(filename)) |
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self.assertEqual(lines, ['line1', 'line2\n']) |
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122
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with prepare_file(['line1', 'line2\n'], |
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None, |
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tempfile_kwargs={"suffix": ".test", |
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"prefix": "test_"}, |
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force_linebreaks=False, |
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create_tempfile=True) as (lines, filename): |
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self.assertTrue(os.path.isfile(filename)) |
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basename = os.path.basename(filename) |
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self.assertTrue(basename.endswith(".test")) |
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self.assertTrue(basename.startswith("test_")) |
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133
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with prepare_file(['line1', 'line2\n'], |
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None, |
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force_linebreaks=False, |
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create_tempfile=False) as (lines, filename): |
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self.assertEqual(filename, "dummy_file_name") |
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coala-analyzer /
coala
