golden hour

/opt/alt/python37/lib64/python3.7/idlelib/idle_test

File/Folder	Size	Actions
README.txt	8.52 KB
__init__.py	712 B
__pycache__	-
htest.py	14.83 KB
mock_idle.py	1.9 KB
mock_tk.py	11.35 KB
template.py	642 B
test_autocomplete.py	10.47 KB
test_autocomplete_w.py	709 B
test_autoexpand.py	4.53 KB
test_browser.py	7.78 KB
test_calltip.py	9.7 KB
test_calltip_w.py	686 B
test_codecontext.py	15.74 KB
test_colorizer.py	14.67 KB
test_config.py	31.29 KB
test_config_key.py	9.48 KB
test_configdialog.py	53.08 KB
test_debugger.py	571 B
test_debugger_r.py	631 B
test_debugobj.py	1.52 KB
test_debugobj_r.py	545 B
test_delegator.py	1.53 KB
test_editmenu.py	2.5 KB
test_editor.py	7.35 KB
test_filelist.py	795 B
test_format.py	23.06 KB
test_grep.py	4.95 KB
test_help.py	849 B
test_help_about.py	5.78 KB
test_history.py	5.39 KB
test_hyperparser.py	8.87 KB
test_iomenu.py	1.25 KB
test_macosx.py	3.23 KB
test_mainmenu.py	594 B
test_multicall.py	1.29 KB
test_outwin.py	5.42 KB
test_parenmatch.py	3.47 KB
test_pathbrowser.py	2.37 KB
test_percolator.py	3.97 KB
test_pyparse.py	18.78 KB
test_pyshell.py	2.12 KB
test_query.py	14.92 KB
test_redirector.py	4.08 KB
test_replace.py	8.11 KB
test_rpc.py	805 B
test_run.py	11.46 KB
test_runscript.py	777 B
test_scrolledlist.py	496 B
test_search.py	2.4 KB
test_searchbase.py	5.5 KB
test_searchengine.py	11.27 KB
test_sidebar.py	12.92 KB
test_squeezer.py	19.62 KB
test_stackviewer.py	1.18 KB
test_statusbar.py	1.11 KB
test_text.py	6.81 KB
test_textview.py	7.19 KB
test_tooltip.py	5.26 KB
test_tree.py	1.71 KB
test_undo.py	4.13 KB
test_warning.py	2.68 KB
test_window.py	1.05 KB
test_zoomheight.py	999 B

Edit: test_history.py

" Test history, coverage 100%."

from idlelib.history import History
import unittest
from test.support import requires

import tkinter as tk
from tkinter import Text as tkText
from idlelib.idle_test.mock_tk import Text as mkText
from idlelib.config import idleConf

line1 = 'a = 7'
line2 = 'b = a'

class StoreTest(unittest.TestCase):
    '''Tests History.__init__ and History.store with mock Text'''

@classmethod
    def setUpClass(cls):
        cls.text = mkText()
        cls.history = History(cls.text)

def tearDown(self):
        self.text.delete('1.0', 'end')
        self.history.history = []

def test_init(self):
        self.assertIs(self.history.text, self.text)
        self.assertEqual(self.history.history, [])
        self.assertIsNone(self.history.prefix)
        self.assertIsNone(self.history.pointer)
        self.assertEqual(self.history.cyclic,
                idleConf.GetOption("main", "History",  "cyclic", 1, "bool"))

def test_store_short(self):
        self.history.store('a')
        self.assertEqual(self.history.history, [])
        self.history.store('  a  ')
        self.assertEqual(self.history.history, [])

def test_store_dup(self):
        self.history.store(line1)
        self.assertEqual(self.history.history, [line1])
        self.history.store(line2)
        self.assertEqual(self.history.history, [line1, line2])
        self.history.store(line1)
        self.assertEqual(self.history.history, [line2, line1])

def test_store_reset(self):
        self.history.prefix = line1
        self.history.pointer = 0
        self.history.store(line2)
        self.assertIsNone(self.history.prefix)
        self.assertIsNone(self.history.pointer)

class TextWrapper:
    def __init__(self, master):
        self.text = tkText(master=master)
        self._bell = False
    def __getattr__(self, name):
        return getattr(self.text, name)
    def bell(self):
        self._bell = True

class FetchTest(unittest.TestCase):
    '''Test History.fetch with wrapped tk.Text.
    '''
    @classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = tk.Tk()
        cls.root.withdraw()

def setUp(self):
        self.text = text = TextWrapper(self.root)
        text.insert('1.0', ">>> ")
        text.mark_set('iomark', '1.4')
        text.mark_gravity('iomark', 'left')
        self.history = History(text)
        self.history.history = [line1, line2]

@classmethod
    def tearDownClass(cls):
        cls.root.destroy()
        del cls.root

def fetch_test(self, reverse, line, prefix, index, *, bell=False):
        # Perform one fetch as invoked by Alt-N or Alt-P
        # Test the result. The line test is the most important.
        # The last two are diagnostic of fetch internals.
        History = self.history
        History.fetch(reverse)

Equal = self.assertEqual
        Equal(self.text.get('iomark', 'end-1c'), line)
        Equal(self.text._bell, bell)
        if bell:
            self.text._bell = False
        Equal(History.prefix, prefix)
        Equal(History.pointer, index)
        Equal(self.text.compare("insert", '==', "end-1c"), 1)

def test_fetch_prev_cyclic(self):
        prefix = ''
        test = self.fetch_test
        test(True, line2, prefix, 1)
        test(True, line1, prefix, 0)
        test(True, prefix, None, None, bell=True)

def test_fetch_next_cyclic(self):
        prefix = ''
        test  = self.fetch_test
        test(False, line1, prefix, 0)
        test(False, line2, prefix, 1)
        test(False, prefix, None, None, bell=True)

# Prefix 'a' tests skip line2, which starts with 'b'
    def test_fetch_prev_prefix(self):
        prefix = 'a'
        self.text.insert('iomark', prefix)
        self.fetch_test(True, line1, prefix, 0)
        self.fetch_test(True, prefix, None, None, bell=True)

def test_fetch_next_prefix(self):
        prefix = 'a'
        self.text.insert('iomark', prefix)
        self.fetch_test(False, line1, prefix, 0)
        self.fetch_test(False, prefix, None, None, bell=True)

def test_fetch_prev_noncyclic(self):
        prefix = ''
        self.history.cyclic = False
        test = self.fetch_test
        test(True, line2, prefix, 1)
        test(True, line1, prefix, 0)
        test(True, line1, prefix, 0, bell=True)

def test_fetch_next_noncyclic(self):
        prefix = ''
        self.history.cyclic = False
        test  = self.fetch_test
        test(False, prefix, None, None, bell=True)
        test(True, line2, prefix, 1)
        test(False, prefix, None, None, bell=True)
        test(False, prefix, None, None, bell=True)

def test_fetch_cursor_move(self):
        # Move cursor after fetch
        self.history.fetch(reverse=True)  # initialization
        self.text.mark_set('insert', 'iomark')
        self.fetch_test(True, line2, None, None, bell=True)

def test_fetch_edit(self):
        # Edit after fetch
        self.history.fetch(reverse=True)  # initialization
        self.text.delete('iomark', 'insert', )
        self.text.insert('iomark', 'a =')
        self.fetch_test(True, line1, 'a =', 0)  # prefix is reset

def test_history_prev_next(self):
        # Minimally test functions bound to events
        self.history.history_prev('dummy event')
        self.assertEqual(self.history.pointer, 1)
        self.history.history_next('dummy event')
        self.assertEqual(self.history.pointer, None)

if __name__ == '__main__':
    unittest.main(verbosity=2, exit=2)