Merge branch 'master' into binding_tests

python · csabella · Sep 17, 2017 · Sep 20, 2017 · Sep 21, 2020 · Sep 21, 2020
commit 435ea82118b0a3ce69b15afc261059527b0e3639
@@ -1,15 +1,17 @@
-""" Test idlelib.editor.
-"""
+"Test editor, coverage 35%."
 
-import unittest
-import tkinter as tk
-import sys
-from functools import partial
 from idlelib import editor
-from idlelib.multicall import MultiCallCreator
+from collections import namedtuple
+from functools import partial
+import sys
 from test.support import requires
+import unittest
 from unittest import mock
+from tkinter import Tk
+from idlelib.multicall import MultiCallCreator
+from idlelib.idle_test.mock_idle import Func
 
+Editor = editor.EditorWindow
 root = None
 editwin = None
 
@@ -40,6 +42,211 @@ class dummy(): filesystemencoding = 'utf-8'
         for inp, out in pairs:
             self.assertEqual(func(dummy, inp), out)
 
+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
+
 
 class ModuleHelpersTest(unittest.TestCase):
     """Test functions defined at the module level."""