376 lines
13 KiB
Python
376 lines
13 KiB
Python
"""Test sidebar, coverage 93%"""
|
|
import idlelib.sidebar
|
|
from sys import platform
|
|
from itertools import chain
|
|
import unittest
|
|
import unittest.mock
|
|
from test.support import requires
|
|
import tkinter as tk
|
|
|
|
from idlelib.delegator import Delegator
|
|
from idlelib.percolator import Percolator
|
|
|
|
|
|
class Dummy_editwin:
|
|
def __init__(self, text):
|
|
self.text = text
|
|
self.text_frame = self.text.master
|
|
self.per = Percolator(text)
|
|
self.undo = Delegator()
|
|
self.per.insertfilter(self.undo)
|
|
|
|
def setvar(self, name, value):
|
|
pass
|
|
|
|
def getlineno(self, index):
|
|
return int(float(self.text.index(index)))
|
|
|
|
|
|
class LineNumbersTest(unittest.TestCase):
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
requires('gui')
|
|
cls.root = tk.Tk()
|
|
|
|
cls.text_frame = tk.Frame(cls.root)
|
|
cls.text_frame.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
|
|
cls.text_frame.rowconfigure(1, weight=1)
|
|
cls.text_frame.columnconfigure(1, weight=1)
|
|
|
|
cls.text = tk.Text(cls.text_frame, width=80, height=24, wrap=tk.NONE)
|
|
cls.text.grid(row=1, column=1, sticky=tk.NSEW)
|
|
|
|
cls.editwin = Dummy_editwin(cls.text)
|
|
cls.editwin.vbar = tk.Scrollbar(cls.text_frame)
|
|
|
|
@classmethod
|
|
def tearDownClass(cls):
|
|
cls.editwin.per.close()
|
|
cls.root.update()
|
|
cls.root.destroy()
|
|
del cls.text, cls.text_frame, cls.editwin, cls.root
|
|
|
|
def setUp(self):
|
|
self.linenumber = idlelib.sidebar.LineNumbers(self.editwin)
|
|
|
|
self.highlight_cfg = {"background": '#abcdef',
|
|
"foreground": '#123456'}
|
|
orig_idleConf_GetHighlight = idlelib.sidebar.idleConf.GetHighlight
|
|
def mock_idleconf_GetHighlight(theme, element):
|
|
if element == 'linenumber':
|
|
return self.highlight_cfg
|
|
return orig_idleConf_GetHighlight(theme, element)
|
|
GetHighlight_patcher = unittest.mock.patch.object(
|
|
idlelib.sidebar.idleConf, 'GetHighlight', mock_idleconf_GetHighlight)
|
|
GetHighlight_patcher.start()
|
|
self.addCleanup(GetHighlight_patcher.stop)
|
|
|
|
self.font_override = 'TkFixedFont'
|
|
def mock_idleconf_GetFont(root, configType, section):
|
|
return self.font_override
|
|
GetFont_patcher = unittest.mock.patch.object(
|
|
idlelib.sidebar.idleConf, 'GetFont', mock_idleconf_GetFont)
|
|
GetFont_patcher.start()
|
|
self.addCleanup(GetFont_patcher.stop)
|
|
|
|
def tearDown(self):
|
|
self.text.delete('1.0', 'end')
|
|
|
|
def get_selection(self):
|
|
return tuple(map(str, self.text.tag_ranges('sel')))
|
|
|
|
def get_line_screen_position(self, line):
|
|
bbox = self.linenumber.sidebar_text.bbox(f'{line}.end -1c')
|
|
x = bbox[0] + 2
|
|
y = bbox[1] + 2
|
|
return x, y
|
|
|
|
def assert_state_disabled(self):
|
|
state = self.linenumber.sidebar_text.config()['state']
|
|
self.assertEqual(state[-1], tk.DISABLED)
|
|
|
|
def get_sidebar_text_contents(self):
|
|
return self.linenumber.sidebar_text.get('1.0', tk.END)
|
|
|
|
def assert_sidebar_n_lines(self, n_lines):
|
|
expected = '\n'.join(chain(map(str, range(1, n_lines + 1)), ['']))
|
|
self.assertEqual(self.get_sidebar_text_contents(), expected)
|
|
|
|
def assert_text_equals(self, expected):
|
|
return self.assertEqual(self.text.get('1.0', 'end'), expected)
|
|
|
|
def test_init_empty(self):
|
|
self.assert_sidebar_n_lines(1)
|
|
|
|
def test_init_not_empty(self):
|
|
self.text.insert('insert', 'foo bar\n'*3)
|
|
self.assert_text_equals('foo bar\n'*3 + '\n')
|
|
self.assert_sidebar_n_lines(4)
|
|
|
|
def test_toggle_linenumbering(self):
|
|
self.assertEqual(self.linenumber.is_shown, False)
|
|
self.linenumber.show_sidebar()
|
|
self.assertEqual(self.linenumber.is_shown, True)
|
|
self.linenumber.hide_sidebar()
|
|
self.assertEqual(self.linenumber.is_shown, False)
|
|
self.linenumber.hide_sidebar()
|
|
self.assertEqual(self.linenumber.is_shown, False)
|
|
self.linenumber.show_sidebar()
|
|
self.assertEqual(self.linenumber.is_shown, True)
|
|
self.linenumber.show_sidebar()
|
|
self.assertEqual(self.linenumber.is_shown, True)
|
|
|
|
def test_insert(self):
|
|
self.text.insert('insert', 'foobar')
|
|
self.assert_text_equals('foobar\n')
|
|
self.assert_sidebar_n_lines(1)
|
|
self.assert_state_disabled()
|
|
|
|
self.text.insert('insert', '\nfoo')
|
|
self.assert_text_equals('foobar\nfoo\n')
|
|
self.assert_sidebar_n_lines(2)
|
|
self.assert_state_disabled()
|
|
|
|
self.text.insert('insert', 'hello\n'*2)
|
|
self.assert_text_equals('foobar\nfoohello\nhello\n\n')
|
|
self.assert_sidebar_n_lines(4)
|
|
self.assert_state_disabled()
|
|
|
|
self.text.insert('insert', '\nworld')
|
|
self.assert_text_equals('foobar\nfoohello\nhello\n\nworld\n')
|
|
self.assert_sidebar_n_lines(5)
|
|
self.assert_state_disabled()
|
|
|
|
def test_delete(self):
|
|
self.text.insert('insert', 'foobar')
|
|
self.assert_text_equals('foobar\n')
|
|
self.text.delete('1.1', '1.3')
|
|
self.assert_text_equals('fbar\n')
|
|
self.assert_sidebar_n_lines(1)
|
|
self.assert_state_disabled()
|
|
|
|
self.text.insert('insert', 'foo\n'*2)
|
|
self.assert_text_equals('fbarfoo\nfoo\n\n')
|
|
self.assert_sidebar_n_lines(3)
|
|
self.assert_state_disabled()
|
|
|
|
# Note: deleting up to "2.end" doesn't delete the final newline.
|
|
self.text.delete('2.0', '2.end')
|
|
self.assert_text_equals('fbarfoo\n\n\n')
|
|
self.assert_sidebar_n_lines(3)
|
|
self.assert_state_disabled()
|
|
|
|
self.text.delete('1.3', 'end')
|
|
self.assert_text_equals('fba\n')
|
|
self.assert_sidebar_n_lines(1)
|
|
self.assert_state_disabled()
|
|
|
|
# Note: Text widgets always keep a single '\n' character at the end.
|
|
self.text.delete('1.0', 'end')
|
|
self.assert_text_equals('\n')
|
|
self.assert_sidebar_n_lines(1)
|
|
self.assert_state_disabled()
|
|
|
|
def test_sidebar_text_width(self):
|
|
"""
|
|
Test that linenumber text widget is always at the minimum
|
|
width
|
|
"""
|
|
def get_width():
|
|
return self.linenumber.sidebar_text.config()['width'][-1]
|
|
|
|
self.assert_sidebar_n_lines(1)
|
|
self.assertEqual(get_width(), 1)
|
|
|
|
self.text.insert('insert', 'foo')
|
|
self.assert_sidebar_n_lines(1)
|
|
self.assertEqual(get_width(), 1)
|
|
|
|
self.text.insert('insert', 'foo\n'*8)
|
|
self.assert_sidebar_n_lines(9)
|
|
self.assertEqual(get_width(), 1)
|
|
|
|
self.text.insert('insert', 'foo\n')
|
|
self.assert_sidebar_n_lines(10)
|
|
self.assertEqual(get_width(), 2)
|
|
|
|
self.text.insert('insert', 'foo\n')
|
|
self.assert_sidebar_n_lines(11)
|
|
self.assertEqual(get_width(), 2)
|
|
|
|
self.text.delete('insert -1l linestart', 'insert linestart')
|
|
self.assert_sidebar_n_lines(10)
|
|
self.assertEqual(get_width(), 2)
|
|
|
|
self.text.delete('insert -1l linestart', 'insert linestart')
|
|
self.assert_sidebar_n_lines(9)
|
|
self.assertEqual(get_width(), 1)
|
|
|
|
self.text.insert('insert', 'foo\n'*90)
|
|
self.assert_sidebar_n_lines(99)
|
|
self.assertEqual(get_width(), 2)
|
|
|
|
self.text.insert('insert', 'foo\n')
|
|
self.assert_sidebar_n_lines(100)
|
|
self.assertEqual(get_width(), 3)
|
|
|
|
self.text.insert('insert', 'foo\n')
|
|
self.assert_sidebar_n_lines(101)
|
|
self.assertEqual(get_width(), 3)
|
|
|
|
self.text.delete('insert -1l linestart', 'insert linestart')
|
|
self.assert_sidebar_n_lines(100)
|
|
self.assertEqual(get_width(), 3)
|
|
|
|
self.text.delete('insert -1l linestart', 'insert linestart')
|
|
self.assert_sidebar_n_lines(99)
|
|
self.assertEqual(get_width(), 2)
|
|
|
|
self.text.delete('50.0 -1c', 'end -1c')
|
|
self.assert_sidebar_n_lines(49)
|
|
self.assertEqual(get_width(), 2)
|
|
|
|
self.text.delete('5.0 -1c', 'end -1c')
|
|
self.assert_sidebar_n_lines(4)
|
|
self.assertEqual(get_width(), 1)
|
|
|
|
# Note: Text widgets always keep a single '\n' character at the end.
|
|
self.text.delete('1.0', 'end -1c')
|
|
self.assert_sidebar_n_lines(1)
|
|
self.assertEqual(get_width(), 1)
|
|
|
|
def test_click_selection(self):
|
|
self.linenumber.show_sidebar()
|
|
self.text.insert('1.0', 'one\ntwo\nthree\nfour\n')
|
|
self.root.update()
|
|
|
|
# Click on the second line.
|
|
x, y = self.get_line_screen_position(2)
|
|
self.linenumber.sidebar_text.event_generate('<Button-1>', x=x, y=y)
|
|
self.linenumber.sidebar_text.update()
|
|
self.root.update()
|
|
|
|
self.assertEqual(self.get_selection(), ('2.0', '3.0'))
|
|
|
|
def simulate_drag(self, start_line, end_line):
|
|
start_x, start_y = self.get_line_screen_position(start_line)
|
|
end_x, end_y = self.get_line_screen_position(end_line)
|
|
|
|
self.linenumber.sidebar_text.event_generate('<Button-1>',
|
|
x=start_x, y=start_y)
|
|
self.root.update()
|
|
|
|
def lerp(a, b, steps):
|
|
"""linearly interpolate from a to b (inclusive) in equal steps"""
|
|
last_step = steps - 1
|
|
for i in range(steps):
|
|
yield ((last_step - i) / last_step) * a + (i / last_step) * b
|
|
|
|
for x, y in zip(
|
|
map(int, lerp(start_x, end_x, steps=11)),
|
|
map(int, lerp(start_y, end_y, steps=11)),
|
|
):
|
|
self.linenumber.sidebar_text.event_generate('<B1-Motion>', x=x, y=y)
|
|
self.root.update()
|
|
|
|
self.linenumber.sidebar_text.event_generate('<ButtonRelease-1>',
|
|
x=end_x, y=end_y)
|
|
self.root.update()
|
|
|
|
def test_drag_selection_down(self):
|
|
self.linenumber.show_sidebar()
|
|
self.text.insert('1.0', 'one\ntwo\nthree\nfour\nfive\n')
|
|
self.root.update()
|
|
|
|
# Drag from the second line to the fourth line.
|
|
self.simulate_drag(2, 4)
|
|
self.assertEqual(self.get_selection(), ('2.0', '5.0'))
|
|
|
|
def test_drag_selection_up(self):
|
|
self.linenumber.show_sidebar()
|
|
self.text.insert('1.0', 'one\ntwo\nthree\nfour\nfive\n')
|
|
self.root.update()
|
|
|
|
# Drag from the fourth line to the second line.
|
|
self.simulate_drag(4, 2)
|
|
self.assertEqual(self.get_selection(), ('2.0', '5.0'))
|
|
|
|
def test_scroll(self):
|
|
self.linenumber.show_sidebar()
|
|
self.text.insert('1.0', 'line\n' * 100)
|
|
self.root.update()
|
|
|
|
# Scroll down 10 lines.
|
|
self.text.yview_scroll(10, 'unit')
|
|
self.root.update()
|
|
self.assertEqual(self.text.index('@0,0'), '11.0')
|
|
self.assertEqual(self.linenumber.sidebar_text.index('@0,0'), '11.0')
|
|
|
|
# Generate a mouse-wheel event and make sure it scrolled up or down.
|
|
# The meaning of the "delta" is OS-dependant, so this just checks for
|
|
# any change.
|
|
self.linenumber.sidebar_text.event_generate('<MouseWheel>',
|
|
x=0, y=0,
|
|
delta=10)
|
|
self.root.update()
|
|
self.assertNotEqual(self.text.index('@0,0'), '11.0')
|
|
self.assertNotEqual(self.linenumber.sidebar_text.index('@0,0'), '11.0')
|
|
|
|
def test_font(self):
|
|
ln = self.linenumber
|
|
|
|
orig_font = ln.sidebar_text['font']
|
|
test_font = 'TkTextFont'
|
|
self.assertNotEqual(orig_font, test_font)
|
|
|
|
# Ensure line numbers aren't shown.
|
|
ln.hide_sidebar()
|
|
|
|
self.font_override = test_font
|
|
# Nothing breaks when line numbers aren't shown.
|
|
ln.update_font()
|
|
|
|
# Activate line numbers, previous font change is immediately effective.
|
|
ln.show_sidebar()
|
|
self.assertEqual(ln.sidebar_text['font'], test_font)
|
|
|
|
# Call the font update with line numbers shown, change is picked up.
|
|
self.font_override = orig_font
|
|
ln.update_font()
|
|
self.assertEqual(ln.sidebar_text['font'], orig_font)
|
|
|
|
def test_highlight_colors(self):
|
|
ln = self.linenumber
|
|
|
|
orig_colors = dict(self.highlight_cfg)
|
|
test_colors = {'background': '#222222', 'foreground': '#ffff00'}
|
|
|
|
def assert_colors_are_equal(colors):
|
|
self.assertEqual(ln.sidebar_text['background'], colors['background'])
|
|
self.assertEqual(ln.sidebar_text['foreground'], colors['foreground'])
|
|
|
|
# Ensure line numbers aren't shown.
|
|
ln.hide_sidebar()
|
|
|
|
self.highlight_cfg = test_colors
|
|
# Nothing breaks with inactive code context.
|
|
ln.update_colors()
|
|
|
|
# Show line numbers, previous colors change is immediately effective.
|
|
ln.show_sidebar()
|
|
assert_colors_are_equal(test_colors)
|
|
|
|
# Call colors update with no change to the configured colors.
|
|
ln.update_colors()
|
|
assert_colors_are_equal(test_colors)
|
|
|
|
# Call the colors update with line numbers shown, change is picked up.
|
|
self.highlight_cfg = orig_colors
|
|
ln.update_colors()
|
|
assert_colors_are_equal(orig_colors)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(verbosity=2)
|