mirror of https://github.com/python/cpython
254 lines
7.8 KiB
Python
254 lines
7.8 KiB
Python
""" Test idlelib.browser.
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Coverage: 88%
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(Higher, because should exclude 3 lines that .coveragerc won't exclude.)
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"""
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import os.path
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import unittest
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import pyclbr
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from idlelib import browser, filelist
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from idlelib.tree import TreeNode
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from test.support import requires
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from unittest import mock
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from tkinter import Tk
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from idlelib.idle_test.mock_idle import Func
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from collections import deque
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class ModuleBrowserTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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requires('gui')
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cls.root = Tk()
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cls.root.withdraw()
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cls.mb = browser.ModuleBrowser(cls.root, __file__, _utest=True)
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@classmethod
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def tearDownClass(cls):
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cls.mb.close()
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cls.root.destroy()
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del cls.root, cls.mb
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def test_init(self):
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mb = self.mb
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eq = self.assertEqual
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eq(mb.path, __file__)
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eq(pyclbr._modules, {})
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self.assertIsInstance(mb.node, TreeNode)
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def test_settitle(self):
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mb = self.mb
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self.assertIn(os.path.basename(__file__), mb.top.title())
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self.assertEqual(mb.top.iconname(), 'Module Browser')
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def test_rootnode(self):
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mb = self.mb
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rn = mb.rootnode()
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self.assertIsInstance(rn, browser.ModuleBrowserTreeItem)
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def test_close(self):
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mb = self.mb
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mb.top.destroy = Func()
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mb.node.destroy = Func()
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mb.close()
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self.assertTrue(mb.top.destroy.called)
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self.assertTrue(mb.node.destroy.called)
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del mb.top.destroy, mb.node.destroy
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# Nested tree same as in test_pyclbr.py except for supers on C0. C1.
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mb = pyclbr
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module, fname = 'test', 'test.py'
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f0 = mb.Function(module, 'f0', fname, 1)
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f1 = mb._nest_function(f0, 'f1', 2)
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f2 = mb._nest_function(f1, 'f2', 3)
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c1 = mb._nest_class(f0, 'c1', 5)
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C0 = mb.Class(module, 'C0', ['base'], fname, 6)
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F1 = mb._nest_function(C0, 'F1', 8)
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C1 = mb._nest_class(C0, 'C1', 11, [''])
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C2 = mb._nest_class(C1, 'C2', 12)
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F3 = mb._nest_function(C2, 'F3', 14)
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mock_pyclbr_tree = {'f0': f0, 'C0': C0}
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# Adjust C0.name, C1.name so tests do not depend on order.
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browser.transform_children(mock_pyclbr_tree, 'test') # C0(base)
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browser.transform_children(C0.children) # C1()
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# The class below checks that the calls above are correct
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# and that duplicate calls have no effect.
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class TransformChildrenTest(unittest.TestCase):
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def test_transform_module_children(self):
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eq = self.assertEqual
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transform = browser.transform_children
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# Parameter matches tree module.
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tcl = list(transform(mock_pyclbr_tree, 'test'))
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eq(tcl, [f0, C0])
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eq(tcl[0].name, 'f0')
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eq(tcl[1].name, 'C0(base)')
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# Check that second call does not change suffix.
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tcl = list(transform(mock_pyclbr_tree, 'test'))
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eq(tcl[1].name, 'C0(base)')
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# Nothing to traverse if parameter name isn't same as tree module.
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tcl = list(transform(mock_pyclbr_tree, 'different name'))
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eq(tcl, [])
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def test_transform_node_children(self):
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eq = self.assertEqual
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transform = browser.transform_children
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# Class with two children, one name altered.
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tcl = list(transform(C0.children))
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eq(tcl, [F1, C1])
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eq(tcl[0].name, 'F1')
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eq(tcl[1].name, 'C1()')
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tcl = list(transform(C0.children))
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eq(tcl[1].name, 'C1()')
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# Function with two children.
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eq(list(transform(f0.children)), [f1, c1])
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class ModuleBrowserTreeItemTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.mbt = browser.ModuleBrowserTreeItem(fname)
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def test_init(self):
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self.assertEqual(self.mbt.file, fname)
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def test_gettext(self):
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self.assertEqual(self.mbt.GetText(), fname)
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def test_geticonname(self):
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self.assertEqual(self.mbt.GetIconName(), 'python')
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def test_isexpandable(self):
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self.assertTrue(self.mbt.IsExpandable())
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def test_listchildren(self):
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save_rex = browser.pyclbr.readmodule_ex
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save_tc = browser.transform_children
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browser.pyclbr.readmodule_ex = Func(result=mock_pyclbr_tree)
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browser.transform_children = Func(result=[f0, C0])
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try:
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self.assertEqual(self.mbt.listchildren(), [f0, C0])
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finally:
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browser.pyclbr.readmodule_ex = save_rex
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browser.transform_children = save_tc
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def test_getsublist(self):
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mbt = self.mbt
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mbt.listchildren = Func(result=[f0, C0])
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sub0, sub1 = mbt.GetSubList()
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del mbt.listchildren
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self.assertIsInstance(sub0, browser.ChildBrowserTreeItem)
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self.assertIsInstance(sub1, browser.ChildBrowserTreeItem)
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self.assertEqual(sub0.name, 'f0')
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self.assertEqual(sub1.name, 'C0(base)')
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def test_ondoubleclick(self):
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mbt = self.mbt
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fopen = browser.file_open = mock.Mock()
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with mock.patch('os.path.exists', return_value=False):
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mbt.OnDoubleClick()
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fopen.assert_not_called()
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with mock.patch('os.path.exists', return_value=True):
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mbt.OnDoubleClick()
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fopen.assert_called()
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fopen.called_with(fname)
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del browser.file_open
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class ChildBrowserTreeItemTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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CBT = browser.ChildBrowserTreeItem
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cls.cbt_f1 = CBT(f1)
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cls.cbt_C1 = CBT(C1)
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cls.cbt_F1 = CBT(F1)
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@classmethod
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def tearDownClass(cls):
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del cls.cbt_C1, cls.cbt_f1, cls.cbt_F1
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def test_init(self):
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eq = self.assertEqual
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eq(self.cbt_C1.name, 'C1()')
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self.assertFalse(self.cbt_C1.isfunction)
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eq(self.cbt_f1.name, 'f1')
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self.assertTrue(self.cbt_f1.isfunction)
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def test_gettext(self):
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self.assertEqual(self.cbt_C1.GetText(), 'class C1()')
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self.assertEqual(self.cbt_f1.GetText(), 'def f1(...)')
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def test_geticonname(self):
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self.assertEqual(self.cbt_C1.GetIconName(), 'folder')
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self.assertEqual(self.cbt_f1.GetIconName(), 'python')
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def test_isexpandable(self):
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self.assertTrue(self.cbt_C1.IsExpandable())
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self.assertTrue(self.cbt_f1.IsExpandable())
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self.assertFalse(self.cbt_F1.IsExpandable())
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def test_getsublist(self):
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eq = self.assertEqual
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CBT = browser.ChildBrowserTreeItem
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f1sublist = self.cbt_f1.GetSubList()
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self.assertIsInstance(f1sublist[0], CBT)
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eq(len(f1sublist), 1)
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eq(f1sublist[0].name, 'f2')
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eq(self.cbt_F1.GetSubList(), [])
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def test_ondoubleclick(self):
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fopen = browser.file_open = mock.Mock()
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goto = fopen.return_value.gotoline = mock.Mock()
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self.cbt_F1.OnDoubleClick()
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fopen.assert_called()
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goto.assert_called()
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goto.assert_called_with(self.cbt_F1.obj.lineno)
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del browser.file_open
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# Failure test would have to raise OSError or AttributeError.
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class NestedChildrenTest(unittest.TestCase):
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"Test that all the nodes in a nested tree are added to the BrowserTree."
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def test_nested(self):
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queue = deque()
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actual_names = []
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# The tree items are processed in breadth first order.
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# Verify that processing each sublist hits every node and
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# in the right order.
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expected_names = ['f0', 'C0(base)',
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'f1', 'c1', 'F1', 'C1()',
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'f2', 'C2',
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'F3']
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CBT = browser.ChildBrowserTreeItem
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queue.extend((CBT(f0), CBT(C0)))
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while queue:
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cb = queue.popleft()
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sublist = cb.GetSubList()
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queue.extend(sublist)
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self.assertIn(cb.name, cb.GetText())
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self.assertIn(cb.GetIconName(), ('python', 'folder'))
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self.assertIs(cb.IsExpandable(), sublist != [])
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actual_names.append(cb.name)
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self.assertEqual(actual_names, expected_names)
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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