Preview: test_editor.py
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/opt/alt/python37/lib64/python3.7/idlelib/idle_test/test_editor.py
"Test editor, coverage 35%."
from idlelib import editor
import unittest
from collections import namedtuple
from test.support import requires
from tkinter import Tk
from idlelib.idle_test.mock_idle import Func
Editor = editor.EditorWindow
class EditorWindowTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
@classmethod
def tearDownClass(cls):
cls.root.update_idletasks()
for id in cls.root.tk.call('after', 'info'):
cls.root.after_cancel(id)
cls.root.destroy()
del cls.root
def test_init(self):
e = Editor(root=self.root)
self.assertEqual(e.root, self.root)
e._close()
class TestGetLineIndent(unittest.TestCase):
def test_empty_lines(self):
for tabwidth in [1, 2, 4, 6, 8]:
for line in ['', '\n']:
with self.subTest(line=line, tabwidth=tabwidth):
self.assertEqual(
editor.get_line_indent(line, tabwidth=tabwidth),
(0, 0),
)
def test_tabwidth_4(self):
# (line, (raw, effective))
tests = (('no spaces', (0, 0)),
# Internal space isn't counted.
(' space test', (4, 4)),
('\ttab test', (1, 4)),
('\t\tdouble tabs test', (2, 8)),
# Different results when mixing tabs and spaces.
(' \tmixed test', (5, 8)),
(' \t mixed test', (5, 6)),
('\t mixed test', (5, 8)),
# Spaces not divisible by tabwidth.
(' \tmixed test', (3, 4)),
(' \t mixed test', (3, 5)),
('\t mixed test', (3, 6)),
# Only checks spaces and tabs.
('\nnewline test', (0, 0)))
for line, expected in tests:
with self.subTest(line=line):
self.assertEqual(
editor.get_line_indent(line, tabwidth=4),
expected,
)
def test_tabwidth_8(self):
# (line, (raw, effective))
tests = (('no spaces', (0, 0)),
# Internal space isn't counted.
(' space test', (8, 8)),
('\ttab test', (1, 8)),
('\t\tdouble tabs test', (2, 16)),
# Different results when mixing tabs and spaces.
(' \tmixed test', (9, 16)),
(' \t mixed test', (9, 10)),
('\t mixed test', (9, 16)),
# Spaces not divisible by tabwidth.
(' \tmixed test', (3, 8)),
(' \t mixed test', (3, 9)),
('\t mixed test', (3, 10)),
# Only checks spaces and tabs.
('\nnewline test', (0, 0)))
for line, expected in tests:
with self.subTest(line=line):
self.assertEqual(
editor.get_line_indent(line, tabwidth=8),
expected,
)
def insert(text, string):
text.delete('1.0', 'end')
text.insert('end', string)
text.update() # Force update for colorizer to finish.
class IndentAndNewlineTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.window = Editor(root=cls.root)
cls.window.indentwidth = 2
cls.window.tabwidth = 2
@classmethod
def tearDownClass(cls):
cls.window._close()
del cls.window
cls.root.update_idletasks()
for id in cls.root.tk.call('after', 'info'):
cls.root.after_cancel(id)
cls.root.destroy()
del cls.root
def test_indent_and_newline_event(self):
eq = self.assertEqual
w = self.window
text = w.text
get = text.get
nl = w.newline_and_indent_event
TestInfo = namedtuple('Tests', ['label', 'text', 'expected', 'mark'])
tests = (TestInfo('Empty line inserts with no indent.',
' \n def __init__(self):',
'\n \n def __init__(self):\n',
'1.end'),
TestInfo('Inside bracket before space, deletes space.',
' def f1(self, a, b):',
' def f1(self,\n a, b):\n',
'1.14'),
TestInfo('Inside bracket after space, deletes space.',
' def f1(self, a, b):',
' def f1(self,\n a, b):\n',
'1.15'),
TestInfo('Inside string with one line - no indent.',
' """Docstring."""',
' """Docstring.\n"""\n',
'1.15'),
TestInfo('Inside string with more than one line.',
' """Docstring.\n Docstring Line 2"""',
' """Docstring.\n Docstring Line 2\n """\n',
'2.18'),
TestInfo('Backslash with one line.',
'a =\\',
'a =\\\n \n',
'1.end'),
TestInfo('Backslash with more than one line.',
'a =\\\n multiline\\',
'a =\\\n multiline\\\n \n',
'2.end'),
TestInfo('Block opener - indents +1 level.',
' def f1(self):\n pass',
' def f1(self):\n \n pass\n',
'1.end'),
TestInfo('Block closer - dedents -1 level.',
' def f1(self):\n pass',
' def f1(self):\n pass\n \n',
'2.end'),
)
w.prompt_last_line = ''
for test in tests:
with self.subTest(label=test.label):
insert(text, test.text)
text.mark_set('insert', test.mark)
nl(event=None)
eq(get('1.0', 'end'), test.expected)
# Selected text.
insert(text, ' def f1(self, a, b):\n return a + b')
text.tag_add('sel', '1.17', '1.end')
nl(None)
# Deletes selected text before adding new line.
eq(get('1.0', 'end'), ' def f1(self, a,\n \n return a + b\n')
# Preserves the whitespace in shell prompt.
w.prompt_last_line = '>>> '
insert(text, '>>> \t\ta =')
text.mark_set('insert', '1.5')
nl(None)
eq(get('1.0', 'end'), '>>> \na =\n')
class RMenuTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.window = Editor(root=cls.root)
@classmethod
def tearDownClass(cls):
cls.window._close()
del cls.window
cls.root.update_idletasks()
for id in cls.root.tk.call('after', 'info'):
cls.root.after_cancel(id)
cls.root.destroy()
del cls.root
class DummyRMenu:
def tk_popup(x, y): pass
def test_rclick(self):
pass
if __name__ == '__main__':
unittest.main(verbosity=2)
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