467 lines
19 KiB
Python
467 lines
19 KiB
Python
"Test squeezer, coverage 95%"
|
|
|
|
from textwrap import dedent
|
|
from tkinter import Text, Tk
|
|
import unittest
|
|
from unittest.mock import Mock, NonCallableMagicMock, patch, sentinel, ANY
|
|
from test.support import requires
|
|
|
|
from idlelib.config import idleConf
|
|
from idlelib.percolator import Percolator
|
|
from idlelib.squeezer import count_lines_with_wrapping, ExpandingButton, \
|
|
Squeezer
|
|
from idlelib import macosx
|
|
from idlelib.textview import view_text
|
|
from idlelib.tooltip import Hovertip
|
|
|
|
SENTINEL_VALUE = sentinel.SENTINEL_VALUE
|
|
|
|
|
|
def get_test_tk_root(test_instance):
|
|
"""Helper for tests: Create a root Tk object."""
|
|
requires('gui')
|
|
root = Tk()
|
|
root.withdraw()
|
|
|
|
def cleanup_root():
|
|
root.update_idletasks()
|
|
root.destroy()
|
|
test_instance.addCleanup(cleanup_root)
|
|
|
|
return root
|
|
|
|
|
|
class CountLinesTest(unittest.TestCase):
|
|
"""Tests for the count_lines_with_wrapping function."""
|
|
def check(self, expected, text, linewidth):
|
|
return self.assertEqual(
|
|
expected,
|
|
count_lines_with_wrapping(text, linewidth),
|
|
)
|
|
|
|
def test_count_empty(self):
|
|
"""Test with an empty string."""
|
|
self.assertEqual(count_lines_with_wrapping(""), 0)
|
|
|
|
def test_count_begins_with_empty_line(self):
|
|
"""Test with a string which begins with a newline."""
|
|
self.assertEqual(count_lines_with_wrapping("\ntext"), 2)
|
|
|
|
def test_count_ends_with_empty_line(self):
|
|
"""Test with a string which ends with a newline."""
|
|
self.assertEqual(count_lines_with_wrapping("text\n"), 1)
|
|
|
|
def test_count_several_lines(self):
|
|
"""Test with several lines of text."""
|
|
self.assertEqual(count_lines_with_wrapping("1\n2\n3\n"), 3)
|
|
|
|
def test_empty_lines(self):
|
|
self.check(expected=1, text='\n', linewidth=80)
|
|
self.check(expected=2, text='\n\n', linewidth=80)
|
|
self.check(expected=10, text='\n' * 10, linewidth=80)
|
|
|
|
def test_long_line(self):
|
|
self.check(expected=3, text='a' * 200, linewidth=80)
|
|
self.check(expected=3, text='a' * 200 + '\n', linewidth=80)
|
|
|
|
def test_several_lines_different_lengths(self):
|
|
text = dedent("""\
|
|
13 characters
|
|
43 is the number of characters on this line
|
|
|
|
7 chars
|
|
13 characters""")
|
|
self.check(expected=5, text=text, linewidth=80)
|
|
self.check(expected=5, text=text + '\n', linewidth=80)
|
|
self.check(expected=6, text=text, linewidth=40)
|
|
self.check(expected=7, text=text, linewidth=20)
|
|
self.check(expected=11, text=text, linewidth=10)
|
|
|
|
|
|
class SqueezerTest(unittest.TestCase):
|
|
"""Tests for the Squeezer class."""
|
|
def make_mock_editor_window(self, with_text_widget=False):
|
|
"""Create a mock EditorWindow instance."""
|
|
editwin = NonCallableMagicMock()
|
|
editwin.width = 80
|
|
|
|
if with_text_widget:
|
|
editwin.root = get_test_tk_root(self)
|
|
text_widget = self.make_text_widget(root=editwin.root)
|
|
editwin.text = editwin.per.bottom = text_widget
|
|
|
|
return editwin
|
|
|
|
def make_squeezer_instance(self, editor_window=None):
|
|
"""Create an actual Squeezer instance with a mock EditorWindow."""
|
|
if editor_window is None:
|
|
editor_window = self.make_mock_editor_window()
|
|
squeezer = Squeezer(editor_window)
|
|
return squeezer
|
|
|
|
def make_text_widget(self, root=None):
|
|
if root is None:
|
|
root = get_test_tk_root(self)
|
|
text_widget = Text(root)
|
|
text_widget["font"] = ('Courier', 10)
|
|
text_widget.mark_set("iomark", "1.0")
|
|
return text_widget
|
|
|
|
def set_idleconf_option_with_cleanup(self, configType, section, option, value):
|
|
prev_val = idleConf.GetOption(configType, section, option)
|
|
idleConf.SetOption(configType, section, option, value)
|
|
self.addCleanup(idleConf.SetOption,
|
|
configType, section, option, prev_val)
|
|
|
|
def test_count_lines(self):
|
|
"""Test Squeezer.count_lines() with various inputs."""
|
|
editwin = self.make_mock_editor_window()
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
|
|
for text_code, line_width, expected in [
|
|
(r"'\n'", 80, 1),
|
|
(r"'\n' * 3", 80, 3),
|
|
(r"'a' * 40 + '\n'", 80, 1),
|
|
(r"'a' * 80 + '\n'", 80, 1),
|
|
(r"'a' * 200 + '\n'", 80, 3),
|
|
(r"'aa\t' * 20", 80, 2),
|
|
(r"'aa\t' * 21", 80, 3),
|
|
(r"'aa\t' * 20", 40, 4),
|
|
]:
|
|
with self.subTest(text_code=text_code,
|
|
line_width=line_width,
|
|
expected=expected):
|
|
text = eval(text_code)
|
|
with patch.object(editwin, 'width', line_width):
|
|
self.assertEqual(squeezer.count_lines(text), expected)
|
|
|
|
def test_init(self):
|
|
"""Test the creation of Squeezer instances."""
|
|
editwin = self.make_mock_editor_window()
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
self.assertIs(squeezer.editwin, editwin)
|
|
self.assertEqual(squeezer.expandingbuttons, [])
|
|
|
|
def test_write_no_tags(self):
|
|
"""Test Squeezer's overriding of the EditorWindow's write() method."""
|
|
editwin = self.make_mock_editor_window()
|
|
for text in ['', 'TEXT', 'LONG TEXT' * 1000, 'MANY_LINES\n' * 100]:
|
|
editwin.write = orig_write = Mock(return_value=SENTINEL_VALUE)
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
|
|
self.assertEqual(squeezer.editwin.write(text, ()), SENTINEL_VALUE)
|
|
self.assertEqual(orig_write.call_count, 1)
|
|
orig_write.assert_called_with(text, ())
|
|
self.assertEqual(len(squeezer.expandingbuttons), 0)
|
|
|
|
def test_write_not_stdout(self):
|
|
"""Test Squeezer's overriding of the EditorWindow's write() method."""
|
|
for text in ['', 'TEXT', 'LONG TEXT' * 1000, 'MANY_LINES\n' * 100]:
|
|
editwin = self.make_mock_editor_window()
|
|
editwin.write.return_value = SENTINEL_VALUE
|
|
orig_write = editwin.write
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
|
|
self.assertEqual(squeezer.editwin.write(text, "stderr"),
|
|
SENTINEL_VALUE)
|
|
self.assertEqual(orig_write.call_count, 1)
|
|
orig_write.assert_called_with(text, "stderr")
|
|
self.assertEqual(len(squeezer.expandingbuttons), 0)
|
|
|
|
def test_write_stdout(self):
|
|
"""Test Squeezer's overriding of the EditorWindow's write() method."""
|
|
editwin = self.make_mock_editor_window()
|
|
|
|
for text in ['', 'TEXT']:
|
|
editwin.write = orig_write = Mock(return_value=SENTINEL_VALUE)
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
squeezer.auto_squeeze_min_lines = 50
|
|
|
|
self.assertEqual(squeezer.editwin.write(text, "stdout"),
|
|
SENTINEL_VALUE)
|
|
self.assertEqual(orig_write.call_count, 1)
|
|
orig_write.assert_called_with(text, "stdout")
|
|
self.assertEqual(len(squeezer.expandingbuttons), 0)
|
|
|
|
for text in ['LONG TEXT' * 1000, 'MANY_LINES\n' * 100]:
|
|
editwin.write = orig_write = Mock(return_value=SENTINEL_VALUE)
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
squeezer.auto_squeeze_min_lines = 50
|
|
|
|
self.assertEqual(squeezer.editwin.write(text, "stdout"), None)
|
|
self.assertEqual(orig_write.call_count, 0)
|
|
self.assertEqual(len(squeezer.expandingbuttons), 1)
|
|
|
|
def test_auto_squeeze(self):
|
|
"""Test that the auto-squeezing creates an ExpandingButton properly."""
|
|
editwin = self.make_mock_editor_window(with_text_widget=True)
|
|
text_widget = editwin.text
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
squeezer.auto_squeeze_min_lines = 5
|
|
squeezer.count_lines = Mock(return_value=6)
|
|
|
|
editwin.write('TEXT\n'*6, "stdout")
|
|
self.assertEqual(text_widget.get('1.0', 'end'), '\n')
|
|
self.assertEqual(len(squeezer.expandingbuttons), 1)
|
|
|
|
def test_squeeze_current_text(self):
|
|
"""Test the squeeze_current_text method."""
|
|
# Squeezing text should work for both stdout and stderr.
|
|
for tag_name in ["stdout", "stderr"]:
|
|
editwin = self.make_mock_editor_window(with_text_widget=True)
|
|
text_widget = editwin.text
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
squeezer.count_lines = Mock(return_value=6)
|
|
|
|
# Prepare some text in the Text widget.
|
|
text_widget.insert("1.0", "SOME\nTEXT\n", tag_name)
|
|
text_widget.mark_set("insert", "1.0")
|
|
self.assertEqual(text_widget.get('1.0', 'end'), 'SOME\nTEXT\n\n')
|
|
|
|
self.assertEqual(len(squeezer.expandingbuttons), 0)
|
|
|
|
# Test squeezing the current text.
|
|
retval = squeezer.squeeze_current_text()
|
|
self.assertEqual(retval, "break")
|
|
self.assertEqual(text_widget.get('1.0', 'end'), '\n\n')
|
|
self.assertEqual(len(squeezer.expandingbuttons), 1)
|
|
self.assertEqual(squeezer.expandingbuttons[0].s, 'SOME\nTEXT')
|
|
|
|
# Test that expanding the squeezed text works and afterwards
|
|
# the Text widget contains the original text.
|
|
squeezer.expandingbuttons[0].expand()
|
|
self.assertEqual(text_widget.get('1.0', 'end'), 'SOME\nTEXT\n\n')
|
|
self.assertEqual(len(squeezer.expandingbuttons), 0)
|
|
|
|
def test_squeeze_current_text_no_allowed_tags(self):
|
|
"""Test that the event doesn't squeeze text without a relevant tag."""
|
|
editwin = self.make_mock_editor_window(with_text_widget=True)
|
|
text_widget = editwin.text
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
squeezer.count_lines = Mock(return_value=6)
|
|
|
|
# Prepare some text in the Text widget.
|
|
text_widget.insert("1.0", "SOME\nTEXT\n", "TAG")
|
|
text_widget.mark_set("insert", "1.0")
|
|
self.assertEqual(text_widget.get('1.0', 'end'), 'SOME\nTEXT\n\n')
|
|
|
|
self.assertEqual(len(squeezer.expandingbuttons), 0)
|
|
|
|
# Test squeezing the current text.
|
|
retval = squeezer.squeeze_current_text()
|
|
self.assertEqual(retval, "break")
|
|
self.assertEqual(text_widget.get('1.0', 'end'), 'SOME\nTEXT\n\n')
|
|
self.assertEqual(len(squeezer.expandingbuttons), 0)
|
|
|
|
def test_squeeze_text_before_existing_squeezed_text(self):
|
|
"""Test squeezing text before existing squeezed text."""
|
|
editwin = self.make_mock_editor_window(with_text_widget=True)
|
|
text_widget = editwin.text
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
squeezer.count_lines = Mock(return_value=6)
|
|
|
|
# Prepare some text in the Text widget and squeeze it.
|
|
text_widget.insert("1.0", "SOME\nTEXT\n", "stdout")
|
|
text_widget.mark_set("insert", "1.0")
|
|
squeezer.squeeze_current_text()
|
|
self.assertEqual(len(squeezer.expandingbuttons), 1)
|
|
|
|
# Test squeezing the current text.
|
|
text_widget.insert("1.0", "MORE\nSTUFF\n", "stdout")
|
|
text_widget.mark_set("insert", "1.0")
|
|
retval = squeezer.squeeze_current_text()
|
|
self.assertEqual(retval, "break")
|
|
self.assertEqual(text_widget.get('1.0', 'end'), '\n\n\n')
|
|
self.assertEqual(len(squeezer.expandingbuttons), 2)
|
|
self.assertTrue(text_widget.compare(
|
|
squeezer.expandingbuttons[0],
|
|
'<',
|
|
squeezer.expandingbuttons[1],
|
|
))
|
|
|
|
def test_reload(self):
|
|
"""Test the reload() class-method."""
|
|
editwin = self.make_mock_editor_window(with_text_widget=True)
|
|
squeezer = self.make_squeezer_instance(editwin)
|
|
|
|
orig_auto_squeeze_min_lines = squeezer.auto_squeeze_min_lines
|
|
|
|
# Increase auto-squeeze-min-lines.
|
|
new_auto_squeeze_min_lines = orig_auto_squeeze_min_lines + 10
|
|
self.set_idleconf_option_with_cleanup(
|
|
'main', 'PyShell', 'auto-squeeze-min-lines',
|
|
str(new_auto_squeeze_min_lines))
|
|
|
|
Squeezer.reload()
|
|
self.assertEqual(squeezer.auto_squeeze_min_lines,
|
|
new_auto_squeeze_min_lines)
|
|
|
|
def test_reload_no_squeezer_instances(self):
|
|
"""Test that Squeezer.reload() runs without any instances existing."""
|
|
Squeezer.reload()
|
|
|
|
|
|
class ExpandingButtonTest(unittest.TestCase):
|
|
"""Tests for the ExpandingButton class."""
|
|
# In these tests the squeezer instance is a mock, but actual tkinter
|
|
# Text and Button instances are created.
|
|
def make_mock_squeezer(self):
|
|
"""Helper for tests: Create a mock Squeezer object."""
|
|
root = get_test_tk_root(self)
|
|
squeezer = Mock()
|
|
squeezer.editwin.text = Text(root)
|
|
squeezer.editwin.per = Percolator(squeezer.editwin.text)
|
|
self.addCleanup(squeezer.editwin.per.close)
|
|
|
|
# Set default values for the configuration settings.
|
|
squeezer.auto_squeeze_min_lines = 50
|
|
return squeezer
|
|
|
|
@patch('idlelib.squeezer.Hovertip', autospec=Hovertip)
|
|
def test_init(self, MockHovertip):
|
|
"""Test the simplest creation of an ExpandingButton."""
|
|
squeezer = self.make_mock_squeezer()
|
|
text_widget = squeezer.editwin.text
|
|
|
|
expandingbutton = ExpandingButton('TEXT', 'TAGS', 50, squeezer)
|
|
self.assertEqual(expandingbutton.s, 'TEXT')
|
|
|
|
# Check that the underlying tkinter.Button is properly configured.
|
|
self.assertEqual(expandingbutton.master, text_widget)
|
|
self.assertTrue('50 lines' in expandingbutton.cget('text'))
|
|
|
|
# Check that the text widget still contains no text.
|
|
self.assertEqual(text_widget.get('1.0', 'end'), '\n')
|
|
|
|
# Check that the mouse events are bound.
|
|
self.assertIn('<Double-Button-1>', expandingbutton.bind())
|
|
right_button_code = '<Button-%s>' % ('2' if macosx.isAquaTk() else '3')
|
|
self.assertIn(right_button_code, expandingbutton.bind())
|
|
|
|
# Check that ToolTip was called once, with appropriate values.
|
|
self.assertEqual(MockHovertip.call_count, 1)
|
|
MockHovertip.assert_called_with(expandingbutton, ANY, hover_delay=ANY)
|
|
|
|
# Check that 'right-click' appears in the tooltip text.
|
|
tooltip_text = MockHovertip.call_args[0][1]
|
|
self.assertIn('right-click', tooltip_text.lower())
|
|
|
|
def test_expand(self):
|
|
"""Test the expand event."""
|
|
squeezer = self.make_mock_squeezer()
|
|
expandingbutton = ExpandingButton('TEXT', 'TAGS', 50, squeezer)
|
|
|
|
# Insert the button into the text widget
|
|
# (this is normally done by the Squeezer class).
|
|
text_widget = squeezer.editwin.text
|
|
text_widget.window_create("1.0", window=expandingbutton)
|
|
|
|
# trigger the expand event
|
|
retval = expandingbutton.expand(event=Mock())
|
|
self.assertEqual(retval, None)
|
|
|
|
# Check that the text was inserted into the text widget.
|
|
self.assertEqual(text_widget.get('1.0', 'end'), 'TEXT\n')
|
|
|
|
# Check that the 'TAGS' tag was set on the inserted text.
|
|
text_end_index = text_widget.index('end-1c')
|
|
self.assertEqual(text_widget.get('1.0', text_end_index), 'TEXT')
|
|
self.assertEqual(text_widget.tag_nextrange('TAGS', '1.0'),
|
|
('1.0', text_end_index))
|
|
|
|
# Check that the button removed itself from squeezer.expandingbuttons.
|
|
self.assertEqual(squeezer.expandingbuttons.remove.call_count, 1)
|
|
squeezer.expandingbuttons.remove.assert_called_with(expandingbutton)
|
|
|
|
def test_expand_dangerous_oupput(self):
|
|
"""Test that expanding very long output asks user for confirmation."""
|
|
squeezer = self.make_mock_squeezer()
|
|
text = 'a' * 10**5
|
|
expandingbutton = ExpandingButton(text, 'TAGS', 50, squeezer)
|
|
expandingbutton.set_is_dangerous()
|
|
self.assertTrue(expandingbutton.is_dangerous)
|
|
|
|
# Insert the button into the text widget
|
|
# (this is normally done by the Squeezer class).
|
|
text_widget = expandingbutton.text
|
|
text_widget.window_create("1.0", window=expandingbutton)
|
|
|
|
# Patch the message box module to always return False.
|
|
with patch('idlelib.squeezer.messagebox') as mock_msgbox:
|
|
mock_msgbox.askokcancel.return_value = False
|
|
mock_msgbox.askyesno.return_value = False
|
|
# Trigger the expand event.
|
|
retval = expandingbutton.expand(event=Mock())
|
|
|
|
# Check that the event chain was broken and no text was inserted.
|
|
self.assertEqual(retval, 'break')
|
|
self.assertEqual(expandingbutton.text.get('1.0', 'end-1c'), '')
|
|
|
|
# Patch the message box module to always return True.
|
|
with patch('idlelib.squeezer.messagebox') as mock_msgbox:
|
|
mock_msgbox.askokcancel.return_value = True
|
|
mock_msgbox.askyesno.return_value = True
|
|
# Trigger the expand event.
|
|
retval = expandingbutton.expand(event=Mock())
|
|
|
|
# Check that the event chain wasn't broken and the text was inserted.
|
|
self.assertEqual(retval, None)
|
|
self.assertEqual(expandingbutton.text.get('1.0', 'end-1c'), text)
|
|
|
|
def test_copy(self):
|
|
"""Test the copy event."""
|
|
# Testing with the actual clipboard proved problematic, so this
|
|
# test replaces the clipboard manipulation functions with mocks
|
|
# and checks that they are called appropriately.
|
|
squeezer = self.make_mock_squeezer()
|
|
expandingbutton = ExpandingButton('TEXT', 'TAGS', 50, squeezer)
|
|
expandingbutton.clipboard_clear = Mock()
|
|
expandingbutton.clipboard_append = Mock()
|
|
|
|
# Trigger the copy event.
|
|
retval = expandingbutton.copy(event=Mock())
|
|
self.assertEqual(retval, None)
|
|
|
|
# Vheck that the expanding button called clipboard_clear() and
|
|
# clipboard_append('TEXT') once each.
|
|
self.assertEqual(expandingbutton.clipboard_clear.call_count, 1)
|
|
self.assertEqual(expandingbutton.clipboard_append.call_count, 1)
|
|
expandingbutton.clipboard_append.assert_called_with('TEXT')
|
|
|
|
def test_view(self):
|
|
"""Test the view event."""
|
|
squeezer = self.make_mock_squeezer()
|
|
expandingbutton = ExpandingButton('TEXT', 'TAGS', 50, squeezer)
|
|
expandingbutton.selection_own = Mock()
|
|
|
|
with patch('idlelib.squeezer.view_text', autospec=view_text)\
|
|
as mock_view_text:
|
|
# Trigger the view event.
|
|
expandingbutton.view(event=Mock())
|
|
|
|
# Check that the expanding button called view_text.
|
|
self.assertEqual(mock_view_text.call_count, 1)
|
|
|
|
# Check that the proper text was passed.
|
|
self.assertEqual(mock_view_text.call_args[0][2], 'TEXT')
|
|
|
|
def test_rmenu(self):
|
|
"""Test the context menu."""
|
|
squeezer = self.make_mock_squeezer()
|
|
expandingbutton = ExpandingButton('TEXT', 'TAGS', 50, squeezer)
|
|
with patch('tkinter.Menu') as mock_Menu:
|
|
mock_menu = Mock()
|
|
mock_Menu.return_value = mock_menu
|
|
mock_event = Mock()
|
|
mock_event.x = 10
|
|
mock_event.y = 10
|
|
expandingbutton.context_menu_event(event=mock_event)
|
|
self.assertEqual(mock_menu.add_command.call_count,
|
|
len(expandingbutton.rmenu_specs))
|
|
for label, *data in expandingbutton.rmenu_specs:
|
|
mock_menu.add_command.assert_any_call(label=label, command=ANY)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(verbosity=2)
|