晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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Current File : //usr/lib64/python2.7/idlelib/idle_test/test_textview.py
'''Test the functions and main class method of textView.py.'''

import unittest
import os
from test.test_support import requires
from Tkinter import Tk
from idlelib import textView as tv
from idlelib.idle_test.mock_idle import Func
from idlelib.idle_test.mock_tk import Mbox


class TV(tv.TextViewer):  # Use in TextViewTest
    transient = Func()
    grab_set = Func()
    wait_window = Func()

class textviewClassTest(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        cls.root.withdraw()

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

    def setUp(self):
        TV.transient.__init__()
        TV.grab_set.__init__()
        TV.wait_window.__init__()

    def test_init_modal(self):
        view = TV(self.root, 'Title', 'test text')
        self.assertTrue(TV.transient.called)
        self.assertTrue(TV.grab_set.called)
        self.assertTrue(TV.wait_window.called)
        view.Ok()

    def test_init_nonmodal(self):
        view = TV(self.root, 'Title', 'test text', modal=False)
        self.assertFalse(TV.transient.called)
        self.assertFalse(TV.grab_set.called)
        self.assertFalse(TV.wait_window.called)
        view.Ok()

    def test_ok(self):
        view = TV(self.root, 'Title', 'test text', modal=False)
        view.destroy = Func()
        view.Ok()
        self.assertTrue(view.destroy.called)
        del view.destroy  # Unmask the real function.
        view.destroy()


class ViewFunctionTest(unittest.TestCase):

    @classmethod
    def setUpClass(cls):
        requires('gui')
        cls.root = Tk()
        cls.root.withdraw()
        cls.orig_mbox = tv.tkMessageBox
        tv.tkMessageBox = Mbox

    @classmethod
    def tearDownClass(cls):
        cls.root.destroy()
        del cls.root
        tv.tkMessageBox = cls.orig_mbox
        del cls.orig_mbox

    def test_view_text(self):
        # If modal True, get tkinter error 'can't invoke "event" command'.
        view = tv.view_text(self.root, 'Title', 'test text', modal=False)
        self.assertIsInstance(view, tv.TextViewer)
        view.Ok()

    def test_view_file(self):
        test_dir = os.path.dirname(__file__)
        testfile = os.path.join(test_dir, 'test_textview.py')
        view = tv.view_file(self.root, 'Title', testfile, modal=False)
        self.assertIsInstance(view, tv.TextViewer)
        self.assertIn('Test', view.textView.get('1.0', '1.end'))
        view.Ok()

        # Mock messagebox will be used; view_file will return None.
        testfile = os.path.join(test_dir, '../notthere.py')
        view = tv.view_file(self.root, 'Title', testfile, modal=False)
        self.assertIsNone(view)


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

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