editor: Add indent and dedent commands

This commit is contained in:
Andrew Hamilton 2022-01-29 15:37:56 +10:00
parent af621a6be0
commit c0bdb52391
3 changed files with 89 additions and 5 deletions

View file

@ -1,7 +1,6 @@
#!/usr/bin/env python3
import contextlib
import unittest
import diff_edit.editor as editor
@ -90,6 +89,47 @@ class EditorTestCase(unittest.TestCase):
self.editor.insert_text("ef", is_overwriting=True)
self._assert_editor("aef", (3, 0))
def test_indent(self):
# no selection
self._set_editor("ab", (1, 0))
self._assert_change(self.editor.indent, " ab", (5, 0))
self._set_editor(" ", (1, 0))
self._assert_change(self.editor.indent, "", (0, 0))
# on selection
self._set_editor("a\nb\nc", (0, 0))
self.editor.set_mark()
self.editor.cursor_down()
self._assert_change(self.editor.indent, " a\nb\nc", (0, 1))
self.assertIsNotNone(self.editor.mark)
self._set_editor("a\nb\nc", (1, 0))
self.editor.set_mark()
self.editor.cursor_left()
self.editor.cursor_down()
self.editor.cursor_down()
self._assert_change(self.editor.indent, "a\n b\nc", (0, 2))
self._set_editor("a\nb\nc", (0, 1))
self.editor.set_mark()
self.editor.cursor_down()
self.editor.cursor_right()
self._assert_change(self.editor.indent, "a\n b\n c", (5, 2))
def test_dedent(self):
# no selection
self._set_editor(" ab", (2, 0))
self._assert_change(self.editor.dedent, "ab", (0, 0))
self._set_editor(" ab", (5, 0))
self._assert_change(self.editor.dedent, "ab", (1, 0))
self._set_editor(" ab", (0, 0))
self._assert_change(self.editor.dedent, " ab", (0, 0))
self._set_editor(" ", (1, 0))
self._assert_change(self.editor.dedent, "", (0, 0))
# on selection
self._set_editor(" a\n \n b", (0, 0))
self.editor.set_mark()
self.editor.cursor_down()
self.editor.cursor_down()
self._assert_change(self.editor.dedent, "a\n\n b", (0, 2))
def test_enter(self):
self._set_editor("ab", (1, 0))
self.editor.enter()