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nigel.stanger
/
process_podcast
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Moved progress bar tests into correct location (WTF?!) (ref #31).
master
1 parent
234ab1b
commit
84f91ea4708e94e336f05d921121f0f36208c8b5
Nigel Stanger
authored
on 25 Sep 2018
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2 changed files
progress_bar/tests/test_progress_bar.py
segment/tests/test_progress_bar.py
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progress_bar/tests/test_progress_bar.py
0 → 100644
from contextlib import contextmanager from io import StringIO import sys import unittest from progress_bar import ProgressBar @contextmanager def captured_output(): """Capture stdout and stderr so we can assert against them.""" new_out, new_err = StringIO(), StringIO() old_out, old_err = sys.stdout, sys.stderr try: sys.stdout, sys.stderr = new_out, new_err yield sys.stdout, sys.stderr finally: sys.stdout, sys.stderr = old_out, old_err class ProgressBarTestCase(unittest.TestCase): """Test the ProgressBar class.""" DEFAULT_VALUE = 0 DEFAULT_MAX_VALUE = 100 DEFAULT_PRINT_WIDTH = 50 DEFAULT_NEWLINE = "\r" def setUp(self): """Set up for test.""" self.bar = ProgressBar(quiet=True) def tearDown(self): """Clean up after test.""" self.bar = None def test_defaults(self): """Test default values are correct.""" test_data = ( (self.bar.value, self.DEFAULT_VALUE, "default value = {v}".format(v=self.DEFAULT_VALUE)), (self.bar.initial_value, self.DEFAULT_VALUE, "default initial value = {v}".format(v=self.DEFAULT_VALUE)), (self.bar.max_value, self.DEFAULT_MAX_VALUE, "default max value = {v}".format(v=self.DEFAULT_MAX_VALUE)), (self.bar.print_width, self.DEFAULT_PRINT_WIDTH, "default print width = {v}".format(v=self.DEFAULT_PRINT_WIDTH)), (self.bar.newline, self.DEFAULT_NEWLINE, "default newline = {v}".format(v=self.DEFAULT_NEWLINE)), ) for actual, expected, description in test_data: with self.subTest(msg=description): self.assertEqual(actual, expected) def test_set_and_reset(self): """Test setting and resetting the current value.""" self.bar.set(value=50) self.assertEqual(self.bar.value, 50) self.bar.reset() self.assertEqual(self.bar.value, 0) def test_update_ad_draw(self): """Test updating and drawing the progress bar.""" self.bar.reset() self.bar.quiet = False for i in range(self.bar.initial_value, self.bar.max_value + 1): percent = int(i * 100 / self.bar.max_value) dots = int(i * self.bar.print_width / self.bar.max_value) expected_bar = "{nl}[{c}{nc}] {p}% ".format( c="".join(["+"] * dots), nc="".join(["."] * (self.bar.print_width - dots)), p=percent, nl=self.bar.newline) with captured_output() as (out, _): self.bar.update(i) with self.subTest(msg="value = {v}".format(v=i)): self.assertEqual(self.bar.value, i) with self.subTest(msg="output = {v}".format(v=expected_bar)): self.assertEqual(out.getvalue(), expected_bar)
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segment/tests/test_progress_bar.py
100644 → 0
from contextlib import contextmanager from io import StringIO import sys import unittest from progress_bar import ProgressBar @contextmanager def captured_output(): """Capture stdout and stderr so we can assert against them.""" new_out, new_err = StringIO(), StringIO() old_out, old_err = sys.stdout, sys.stderr try: sys.stdout, sys.stderr = new_out, new_err yield sys.stdout, sys.stderr finally: sys.stdout, sys.stderr = old_out, old_err class ProgressBarTestCase(unittest.TestCase): """Test the ProgressBar class.""" DEFAULT_VALUE = 0 DEFAULT_MAX_VALUE = 100 DEFAULT_PRINT_WIDTH = 50 DEFAULT_NEWLINE = "\r" def setUp(self): """Set up for test.""" self.bar = ProgressBar(quiet=True) def tearDown(self): """Clean up after test.""" self.bar = None def test_defaults(self): """Test default values are correct.""" test_data = ( (self.bar.value, self.DEFAULT_VALUE, "default value = {v}".format(v=self.DEFAULT_VALUE)), (self.bar.initial_value, self.DEFAULT_VALUE, "default initial value = {v}".format(v=self.DEFAULT_VALUE)), (self.bar.max_value, self.DEFAULT_MAX_VALUE, "default max value = {v}".format(v=self.DEFAULT_MAX_VALUE)), (self.bar.print_width, self.DEFAULT_PRINT_WIDTH, "default print width = {v}".format(v=self.DEFAULT_PRINT_WIDTH)), (self.bar.newline, self.DEFAULT_NEWLINE, "default newline = {v}".format(v=self.DEFAULT_NEWLINE)), ) for actual, expected, description in test_data: with self.subTest(msg=description): self.assertEqual(actual, expected) def test_set_and_reset(self): """Test setting and resetting the current value.""" self.bar.set(value=50) self.assertEqual(self.bar.value, 50) self.bar.reset() self.assertEqual(self.bar.value, 0) def test_update_ad_draw(self): """Test updating and drawing the progress bar.""" self.bar.reset() self.bar.quiet = False for i in range(self.bar.initial_value, self.bar.max_value + 1): percent = int(i * 100 / self.bar.max_value) dots = int(i * self.bar.print_width / self.bar.max_value) expected_bar = "{nl}[{c}{nc}] {p}% ".format( c="".join(["+"] * dots), nc="".join(["."] * (self.bar.print_width - dots)), p=percent, nl=self.bar.newline) with captured_output() as (out, _): self.bar.update(i) with self.subTest(msg="value = {v}".format(v=i)): self.assertEqual(self.bar.value, i) with self.subTest(msg="output = {v}".format(v=expected_bar)): self.assertEqual(out.getvalue(), expected_bar)
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