/
test_console_render.py
292 lines (218 loc) · 8.02 KB
/
test_console_render.py
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import sys
import re
import unittest
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
from inquirer.render import Render, ConsoleRender
import inquirer.questions as questions
import inquirer.errors as errors
from readchar import key
def fake_key_generator():
return sys.stdin.read(1)
class BaseTestCase(object):
def base_setup(self):
self._base_stdin = sys.stdin
self._base_stdout = sys.stdout
sys.stdout = StringIO()
def base_teardown(self):
sys.stdin = self._base_stdin
sys.stdout = self._base_stdout
def assertInStdout(self, message):
sys.stdout.seek(0)
stdout = sys.stdout.read()
self.assertIn(message, stdout)
def assertNotInStdout(self, message):
sys.stdout.seek(0)
stdout = sys.stdout.read()
self.assertNotIn(message, stdout)
class BasicTest(unittest.TestCase, BaseTestCase):
def test_rendering_erroneous_type(self):
question = questions.Question('foo', 'bar')
sut = ConsoleRender()
with self.assertRaises(errors.UnknownQuestionTypeError):
sut.render(question)
class TextRenderTest(unittest.TestCase, BaseTestCase):
def setUp(self):
self.base_setup()
def tearDown(self):
self.base_teardown()
def test_basic_render(self):
stdin = 'This is a foo message'
message = 'Foo message'
variable = 'Bar variable'
sys.stdin = StringIO(stdin)
question = questions.Text(variable, message)
sut = ConsoleRender()
result = sut.render(question)
self.assertEquals(stdin, result)
self.assertInStdout(message)
def test_ignore_true_should_return(self):
stdin = 'This is a foo message'
message = 'Foo message'
variable = 'Bar variable'
expected = object()
sys.stdin = StringIO(stdin)
question = questions.Text(variable,
ignore=True,
default=expected,
message=message)
sut = ConsoleRender()
result = sut.render(question)
self.assertEquals(expected, result)
self.assertNotInStdout(message)
def test_validation_fails(self):
stdin = 'Invalid message\n9999'
message = 'Insert number'
variable = 'foo'
expected = '9999'
sys.stdin = StringIO(stdin)
question = questions.Text(variable,
validate=lambda _, x: re.match('\d+', x),
message=message)
sut = ConsoleRender()
result = sut.render(question)
self.assertEquals(expected, result)
self.assertInStdout(message)
self.assertInStdout('Invalid value')
class PasswordRenderTest(unittest.TestCase, BaseTestCase):
def setUp(self):
self.base_setup()
def tearDown(self):
self.base_teardown()
def test_do_not_show_values(self):
stdin = 'The password' + key.ENTER
message = 'Foo message'
variable = 'Bar variable'
sys.stdin = StringIO(stdin)
question = questions.Password(variable, message)
sut = ConsoleRender(key_generator=fake_key_generator)
result = sut.render(question)
self.assertInStdout(message)
self.assertNotInStdout(stdin)
class ConfirmRenderTest(unittest.TestCase, BaseTestCase):
def setUp(self):
self.base_setup()
def tearDown(self):
self.base_teardown()
def test_no_as_default(self):
input_str = '\n'
message = 'Foo message'
variable = 'Bar variable'
expected = False
sys.stdin = StringIO(input_str)
question = questions.Confirm(variable,
message=message)
sut = ConsoleRender()
result = sut.render(question)
self.assertEquals(expected, result)
self.assertInStdout(message)
self.assertInStdout('(y/N)')
def test_yes_as_default(self):
input_str = '\n'
message = 'Foo message'
variable = 'Bar variable'
expected = True
sys.stdin = StringIO(input_str)
question = questions.Confirm(variable,
message=message,
default=True)
sut = ConsoleRender()
result = sut.render(question)
self.assertEquals(expected, result)
self.assertInStdout(message)
self.assertInStdout('(Y/n)')
class ListRenderTest(unittest.TestCase, BaseTestCase):
def setUp(self):
self.base_setup()
def tearDown(self):
self.base_teardown()
def test_all_choices_are_shown(self):
stdin = key.ENTER
message = 'Foo message'
variable = 'Bar variable'
choices = ['foo', 'bar', 'bazz']
sys.stdin = StringIO(stdin)
question = questions.List(variable, message, choices=choices)
sut = ConsoleRender(key_generator=fake_key_generator)
result = sut.render(question)
self.assertInStdout(message)
for choice in choices:
self.assertInStdout(choice)
class CheckboxRenderTest(unittest.TestCase, BaseTestCase):
def setUp(self):
self.base_setup()
def tearDown(self):
self.base_teardown()
def test_all_choices_are_shown(self):
stdin = key.ENTER
message = 'Foo message'
variable = 'Bar variable'
choices = ['foo', 'bar', 'bazz']
sys.stdin = StringIO(stdin)
question = questions.Checkbox(variable, message, choices=choices)
sut = ConsoleRender(key_generator=fake_key_generator)
result = sut.render(question)
self.assertInStdout(message)
for choice in choices:
self.assertInStdout(choice)
def test_one_choice(self):
stdin = key.SPACE + key.ENTER
message = 'Foo message'
variable = 'Bar variable'
choices = ['foo', 'bar', 'bazz']
sys.stdin = StringIO(stdin)
question = questions.Checkbox(variable, message, choices=choices)
sut = ConsoleRender(key_generator=fake_key_generator)
result = sut.render(question)
self.assertInStdout(message)
self.assertEqual(['foo'], result)
@unittest.skip('failing by unknown reasons.')
def test_can_move(self):
stdin = (key.DOWN
+ key.DOWN
+ key.UP
+ key.SPACE
+ key.ENTER)
message = 'Foo message'
variable = 'Bar variable'
choices = ['foo', 'bar', 'bazz']
sys.stdin = StringIO(stdin)
question = questions.Checkbox(variable, message, choices=choices)
sut = ConsoleRender(key_generator=fake_key_generator)
result = sut.render(question)
self.assertEqual(['bar'], result)
def test_cannot_move_beyond_upper_limit(self):
stdin = (key.UP
+ key.UP
+ key.UP
+ key.SPACE
+ key.ENTER)
message = 'Foo message'
variable = 'Bar variable'
choices = ['foo', 'bar', 'bazz']
sys.stdin = StringIO(stdin)
question = questions.Checkbox(variable, message, choices=choices)
sut = ConsoleRender(key_generator=fake_key_generator)
result = sut.render(question)
self.assertEqual(['foo'], result)
@unittest.skip('failing by unknown reasons.')
def test_cannot_move_beyond_lower_limit(self):
stdin = (key.DOWN
+ key.DOWN
+ key.DOWN
+ key.DOWN
+ key.DOWN
+ key.DOWN
+ key.DOWN
+ key.SPACE
+ key.ENTER)
message = 'Foo message'
variable = 'Bar variable'
choices = ['foo', 'bar', 'bazz']
sys.stdin = StringIO(stdin)
question = questions.Checkbox(variable, message, choices=choices)
sut = ConsoleRender(key_generator=fake_key_generator)
result = sut.render(question)
self.assertEqual(['bazz'], result)