| 1 | n/a | # Test the functions and main class method of paragraph.py |
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| 2 | n/a | import unittest |
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| 3 | n/a | from idlelib import paragraph as fp |
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| 4 | n/a | from idlelib.editor import EditorWindow |
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| 5 | n/a | from tkinter import Tk, Text |
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| 6 | n/a | from test.support import requires |
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| 7 | n/a | |
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| 8 | n/a | |
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| 9 | n/a | class Is_Get_Test(unittest.TestCase): |
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| 10 | n/a | """Test the is_ and get_ functions""" |
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| 11 | n/a | test_comment = '# This is a comment' |
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| 12 | n/a | test_nocomment = 'This is not a comment' |
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| 13 | n/a | trailingws_comment = '# This is a comment ' |
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| 14 | n/a | leadingws_comment = ' # This is a comment' |
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| 15 | n/a | leadingws_nocomment = ' This is not a comment' |
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| 16 | n/a | |
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| 17 | n/a | def test_is_all_white(self): |
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| 18 | n/a | self.assertTrue(fp.is_all_white('')) |
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| 19 | n/a | self.assertTrue(fp.is_all_white('\t\n\r\f\v')) |
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| 20 | n/a | self.assertFalse(fp.is_all_white(self.test_comment)) |
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| 21 | n/a | |
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| 22 | n/a | def test_get_indent(self): |
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| 23 | n/a | Equal = self.assertEqual |
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| 24 | n/a | Equal(fp.get_indent(self.test_comment), '') |
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| 25 | n/a | Equal(fp.get_indent(self.trailingws_comment), '') |
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| 26 | n/a | Equal(fp.get_indent(self.leadingws_comment), ' ') |
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| 27 | n/a | Equal(fp.get_indent(self.leadingws_nocomment), ' ') |
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| 28 | n/a | |
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| 29 | n/a | def test_get_comment_header(self): |
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| 30 | n/a | Equal = self.assertEqual |
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| 31 | n/a | # Test comment strings |
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| 32 | n/a | Equal(fp.get_comment_header(self.test_comment), '#') |
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| 33 | n/a | Equal(fp.get_comment_header(self.trailingws_comment), '#') |
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| 34 | n/a | Equal(fp.get_comment_header(self.leadingws_comment), ' #') |
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| 35 | n/a | # Test non-comment strings |
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| 36 | n/a | Equal(fp.get_comment_header(self.leadingws_nocomment), ' ') |
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| 37 | n/a | Equal(fp.get_comment_header(self.test_nocomment), '') |
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| 38 | n/a | |
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| 39 | n/a | |
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| 40 | n/a | class FindTest(unittest.TestCase): |
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| 41 | n/a | """Test the find_paragraph function in paragraph module. |
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| 42 | n/a | |
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| 43 | n/a | Using the runcase() function, find_paragraph() is called with 'mark' set at |
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| 44 | n/a | multiple indexes before and inside the test paragraph. |
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| 45 | n/a | |
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| 46 | n/a | It appears that code with the same indentation as a quoted string is grouped |
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| 47 | n/a | as part of the same paragraph, which is probably incorrect behavior. |
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| 48 | n/a | """ |
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| 49 | n/a | |
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| 50 | n/a | @classmethod |
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| 51 | n/a | def setUpClass(cls): |
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| 52 | n/a | from idlelib.idle_test.mock_tk import Text |
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| 53 | n/a | cls.text = Text() |
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| 54 | n/a | |
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| 55 | n/a | def runcase(self, inserttext, stopline, expected): |
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| 56 | n/a | # Check that find_paragraph returns the expected paragraph when |
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| 57 | n/a | # the mark index is set to beginning, middle, end of each line |
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| 58 | n/a | # up to but not including the stop line |
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| 59 | n/a | text = self.text |
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| 60 | n/a | text.insert('1.0', inserttext) |
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| 61 | n/a | for line in range(1, stopline): |
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| 62 | n/a | linelength = int(text.index("%d.end" % line).split('.')[1]) |
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| 63 | n/a | for col in (0, linelength//2, linelength): |
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| 64 | n/a | tempindex = "%d.%d" % (line, col) |
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| 65 | n/a | self.assertEqual(fp.find_paragraph(text, tempindex), expected) |
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| 66 | n/a | text.delete('1.0', 'end') |
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| 67 | n/a | |
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| 68 | n/a | def test_find_comment(self): |
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| 69 | n/a | comment = ( |
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| 70 | n/a | "# Comment block with no blank lines before\n" |
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| 71 | n/a | "# Comment line\n" |
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| 72 | n/a | "\n") |
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| 73 | n/a | self.runcase(comment, 3, ('1.0', '3.0', '#', comment[0:58])) |
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| 74 | n/a | |
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| 75 | n/a | comment = ( |
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| 76 | n/a | "\n" |
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| 77 | n/a | "# Comment block with whitespace line before and after\n" |
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| 78 | n/a | "# Comment line\n" |
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| 79 | n/a | "\n") |
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| 80 | n/a | self.runcase(comment, 4, ('2.0', '4.0', '#', comment[1:70])) |
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| 81 | n/a | |
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| 82 | n/a | comment = ( |
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| 83 | n/a | "\n" |
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| 84 | n/a | " # Indented comment block with whitespace before and after\n" |
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| 85 | n/a | " # Comment line\n" |
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| 86 | n/a | "\n") |
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| 87 | n/a | self.runcase(comment, 4, ('2.0', '4.0', ' #', comment[1:82])) |
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| 88 | n/a | |
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| 89 | n/a | comment = ( |
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| 90 | n/a | "\n" |
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| 91 | n/a | "# Single line comment\n" |
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| 92 | n/a | "\n") |
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| 93 | n/a | self.runcase(comment, 3, ('2.0', '3.0', '#', comment[1:23])) |
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| 94 | n/a | |
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| 95 | n/a | comment = ( |
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| 96 | n/a | "\n" |
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| 97 | n/a | " # Single line comment with leading whitespace\n" |
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| 98 | n/a | "\n") |
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| 99 | n/a | self.runcase(comment, 3, ('2.0', '3.0', ' #', comment[1:51])) |
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| 100 | n/a | |
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| 101 | n/a | comment = ( |
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| 102 | n/a | "\n" |
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| 103 | n/a | "# Comment immediately followed by code\n" |
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| 104 | n/a | "x = 42\n" |
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| 105 | n/a | "\n") |
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| 106 | n/a | self.runcase(comment, 3, ('2.0', '3.0', '#', comment[1:40])) |
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| 107 | n/a | |
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| 108 | n/a | comment = ( |
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| 109 | n/a | "\n" |
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| 110 | n/a | " # Indented comment immediately followed by code\n" |
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| 111 | n/a | "x = 42\n" |
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| 112 | n/a | "\n") |
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| 113 | n/a | self.runcase(comment, 3, ('2.0', '3.0', ' #', comment[1:53])) |
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| 114 | n/a | |
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| 115 | n/a | comment = ( |
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| 116 | n/a | "\n" |
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| 117 | n/a | "# Comment immediately followed by indented code\n" |
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| 118 | n/a | " x = 42\n" |
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| 119 | n/a | "\n") |
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| 120 | n/a | self.runcase(comment, 3, ('2.0', '3.0', '#', comment[1:49])) |
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| 121 | n/a | |
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| 122 | n/a | def test_find_paragraph(self): |
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| 123 | n/a | teststring = ( |
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| 124 | n/a | '"""String with no blank lines before\n' |
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| 125 | n/a | 'String line\n' |
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| 126 | n/a | '"""\n' |
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| 127 | n/a | '\n') |
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| 128 | n/a | self.runcase(teststring, 4, ('1.0', '4.0', '', teststring[0:53])) |
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| 129 | n/a | |
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| 130 | n/a | teststring = ( |
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| 131 | n/a | "\n" |
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| 132 | n/a | '"""String with whitespace line before and after\n' |
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| 133 | n/a | 'String line.\n' |
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| 134 | n/a | '"""\n' |
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| 135 | n/a | '\n') |
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| 136 | n/a | self.runcase(teststring, 5, ('2.0', '5.0', '', teststring[1:66])) |
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| 137 | n/a | |
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| 138 | n/a | teststring = ( |
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| 139 | n/a | '\n' |
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| 140 | n/a | ' """Indented string with whitespace before and after\n' |
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| 141 | n/a | ' Comment string.\n' |
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| 142 | n/a | ' """\n' |
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| 143 | n/a | '\n') |
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| 144 | n/a | self.runcase(teststring, 5, ('2.0', '5.0', ' ', teststring[1:85])) |
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| 145 | n/a | |
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| 146 | n/a | teststring = ( |
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| 147 | n/a | '\n' |
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| 148 | n/a | '"""Single line string."""\n' |
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| 149 | n/a | '\n') |
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| 150 | n/a | self.runcase(teststring, 3, ('2.0', '3.0', '', teststring[1:27])) |
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| 151 | n/a | |
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| 152 | n/a | teststring = ( |
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| 153 | n/a | '\n' |
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| 154 | n/a | ' """Single line string with leading whitespace."""\n' |
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| 155 | n/a | '\n') |
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| 156 | n/a | self.runcase(teststring, 3, ('2.0', '3.0', ' ', teststring[1:55])) |
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| 157 | n/a | |
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| 158 | n/a | |
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| 159 | n/a | class ReformatFunctionTest(unittest.TestCase): |
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| 160 | n/a | """Test the reformat_paragraph function without the editor window.""" |
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| 161 | n/a | |
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| 162 | n/a | def test_reformat_paragraph(self): |
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| 163 | n/a | Equal = self.assertEqual |
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| 164 | n/a | reform = fp.reformat_paragraph |
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| 165 | n/a | hw = "O hello world" |
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| 166 | n/a | Equal(reform(' ', 1), ' ') |
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| 167 | n/a | Equal(reform("Hello world", 20), "Hello world") |
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| 168 | n/a | |
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| 169 | n/a | # Test without leading newline |
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| 170 | n/a | Equal(reform(hw, 1), "O\nhello\nworld") |
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| 171 | n/a | Equal(reform(hw, 6), "O\nhello\nworld") |
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| 172 | n/a | Equal(reform(hw, 7), "O hello\nworld") |
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| 173 | n/a | Equal(reform(hw, 12), "O hello\nworld") |
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| 174 | n/a | Equal(reform(hw, 13), "O hello world") |
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| 175 | n/a | |
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| 176 | n/a | # Test with leading newline |
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| 177 | n/a | hw = "\nO hello world" |
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| 178 | n/a | Equal(reform(hw, 1), "\nO\nhello\nworld") |
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| 179 | n/a | Equal(reform(hw, 6), "\nO\nhello\nworld") |
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| 180 | n/a | Equal(reform(hw, 7), "\nO hello\nworld") |
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| 181 | n/a | Equal(reform(hw, 12), "\nO hello\nworld") |
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| 182 | n/a | Equal(reform(hw, 13), "\nO hello world") |
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| 183 | n/a | |
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| 184 | n/a | |
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| 185 | n/a | class ReformatCommentTest(unittest.TestCase): |
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| 186 | n/a | """Test the reformat_comment function without the editor window.""" |
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| 187 | n/a | |
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| 188 | n/a | def test_reformat_comment(self): |
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| 189 | n/a | Equal = self.assertEqual |
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| 190 | n/a | |
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| 191 | n/a | # reformat_comment formats to a minimum of 20 characters |
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| 192 | n/a | test_string = ( |
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| 193 | n/a | " \"\"\"this is a test of a reformat for a triple quoted string" |
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| 194 | n/a | " will it reformat to less than 70 characters for me?\"\"\"") |
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| 195 | n/a | result = fp.reformat_comment(test_string, 70, " ") |
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| 196 | n/a | expected = ( |
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| 197 | n/a | " \"\"\"this is a test of a reformat for a triple quoted string will it\n" |
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| 198 | n/a | " reformat to less than 70 characters for me?\"\"\"") |
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| 199 | n/a | Equal(result, expected) |
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| 200 | n/a | |
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| 201 | n/a | test_comment = ( |
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| 202 | n/a | "# this is a test of a reformat for a triple quoted string will " |
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| 203 | n/a | "it reformat to less than 70 characters for me?") |
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| 204 | n/a | result = fp.reformat_comment(test_comment, 70, "#") |
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| 205 | n/a | expected = ( |
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| 206 | n/a | "# this is a test of a reformat for a triple quoted string will it\n" |
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| 207 | n/a | "# reformat to less than 70 characters for me?") |
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| 208 | n/a | Equal(result, expected) |
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| 209 | n/a | |
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| 210 | n/a | |
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| 211 | n/a | class FormatClassTest(unittest.TestCase): |
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| 212 | n/a | def test_init_close(self): |
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| 213 | n/a | instance = fp.FormatParagraph('editor') |
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| 214 | n/a | self.assertEqual(instance.editwin, 'editor') |
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| 215 | n/a | instance.close() |
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| 216 | n/a | self.assertEqual(instance.editwin, None) |
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| 217 | n/a | |
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| 218 | n/a | |
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| 219 | n/a | # For testing format_paragraph_event, Initialize FormatParagraph with |
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| 220 | n/a | # a mock Editor with .text and .get_selection_indices. The text must |
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| 221 | n/a | # be a Text wrapper that adds two methods |
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| 222 | n/a | |
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| 223 | n/a | # A real EditorWindow creates unneeded, time-consuming baggage and |
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| 224 | n/a | # sometimes emits shutdown warnings like this: |
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| 225 | n/a | # "warning: callback failed in WindowList <class '_tkinter.TclError'> |
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| 226 | n/a | # : invalid command name ".55131368.windows". |
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| 227 | n/a | # Calling EditorWindow._close in tearDownClass prevents this but causes |
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| 228 | n/a | # other problems (windows left open). |
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| 229 | n/a | |
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| 230 | n/a | class TextWrapper: |
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| 231 | n/a | def __init__(self, master): |
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| 232 | n/a | self.text = Text(master=master) |
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| 233 | n/a | def __getattr__(self, name): |
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| 234 | n/a | return getattr(self.text, name) |
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| 235 | n/a | def undo_block_start(self): pass |
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| 236 | n/a | def undo_block_stop(self): pass |
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| 237 | n/a | |
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| 238 | n/a | class Editor: |
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| 239 | n/a | def __init__(self, root): |
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| 240 | n/a | self.text = TextWrapper(root) |
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| 241 | n/a | get_selection_indices = EditorWindow. get_selection_indices |
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| 242 | n/a | |
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| 243 | n/a | class FormatEventTest(unittest.TestCase): |
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| 244 | n/a | """Test the formatting of text inside a Text widget. |
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| 245 | n/a | |
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| 246 | n/a | This is done with FormatParagraph.format.paragraph_event, |
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| 247 | n/a | which calls functions in the module as appropriate. |
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| 248 | n/a | """ |
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| 249 | n/a | test_string = ( |
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| 250 | n/a | " '''this is a test of a reformat for a triple " |
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| 251 | n/a | "quoted string will it reformat to less than 70 " |
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| 252 | n/a | "characters for me?'''\n") |
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| 253 | n/a | multiline_test_string = ( |
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| 254 | n/a | " '''The first line is under the max width.\n" |
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| 255 | n/a | " The second line's length is way over the max width. It goes " |
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| 256 | n/a | "on and on until it is over 100 characters long.\n" |
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| 257 | n/a | " Same thing with the third line. It is also way over the max " |
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| 258 | n/a | "width, but FormatParagraph will fix it.\n" |
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| 259 | n/a | " '''\n") |
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| 260 | n/a | multiline_test_comment = ( |
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| 261 | n/a | "# The first line is under the max width.\n" |
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| 262 | n/a | "# The second line's length is way over the max width. It goes on " |
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| 263 | n/a | "and on until it is over 100 characters long.\n" |
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| 264 | n/a | "# Same thing with the third line. It is also way over the max " |
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| 265 | n/a | "width, but FormatParagraph will fix it.\n" |
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| 266 | n/a | "# The fourth line is short like the first line.") |
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| 267 | n/a | |
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| 268 | n/a | @classmethod |
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| 269 | n/a | def setUpClass(cls): |
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| 270 | n/a | requires('gui') |
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| 271 | n/a | cls.root = Tk() |
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| 272 | n/a | editor = Editor(root=cls.root) |
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| 273 | n/a | cls.text = editor.text.text # Test code does not need the wrapper. |
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| 274 | n/a | cls.formatter = fp.FormatParagraph(editor).format_paragraph_event |
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| 275 | n/a | # Sets the insert mark just after the re-wrapped and inserted text. |
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| 276 | n/a | |
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| 277 | n/a | @classmethod |
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| 278 | n/a | def tearDownClass(cls): |
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| 279 | n/a | del cls.text, cls.formatter |
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| 280 | n/a | cls.root.destroy() |
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| 281 | n/a | del cls.root |
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| 282 | n/a | |
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| 283 | n/a | def test_short_line(self): |
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| 284 | n/a | self.text.insert('1.0', "Short line\n") |
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| 285 | n/a | self.formatter("Dummy") |
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| 286 | n/a | self.assertEqual(self.text.get('1.0', 'insert'), "Short line\n" ) |
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| 287 | n/a | self.text.delete('1.0', 'end') |
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| 288 | n/a | |
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| 289 | n/a | def test_long_line(self): |
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| 290 | n/a | text = self.text |
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| 291 | n/a | |
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| 292 | n/a | # Set cursor ('insert' mark) to '1.0', within text. |
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| 293 | n/a | text.insert('1.0', self.test_string) |
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| 294 | n/a | text.mark_set('insert', '1.0') |
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| 295 | n/a | self.formatter('ParameterDoesNothing', limit=70) |
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| 296 | n/a | result = text.get('1.0', 'insert') |
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| 297 | n/a | # find function includes \n |
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| 298 | n/a | expected = ( |
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| 299 | n/a | " '''this is a test of a reformat for a triple quoted string will it\n" |
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| 300 | n/a | " reformat to less than 70 characters for me?'''\n") # yes |
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| 301 | n/a | self.assertEqual(result, expected) |
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| 302 | n/a | text.delete('1.0', 'end') |
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| 303 | n/a | |
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| 304 | n/a | # Select from 1.11 to line end. |
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| 305 | n/a | text.insert('1.0', self.test_string) |
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| 306 | n/a | text.tag_add('sel', '1.11', '1.end') |
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| 307 | n/a | self.formatter('ParameterDoesNothing', limit=70) |
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| 308 | n/a | result = text.get('1.0', 'insert') |
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| 309 | n/a | # selection excludes \n |
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| 310 | n/a | expected = ( |
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| 311 | n/a | " '''this is a test of a reformat for a triple quoted string will it reformat\n" |
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| 312 | n/a | " to less than 70 characters for me?'''") # no |
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| 313 | n/a | self.assertEqual(result, expected) |
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| 314 | n/a | text.delete('1.0', 'end') |
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| 315 | n/a | |
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| 316 | n/a | def test_multiple_lines(self): |
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| 317 | n/a | text = self.text |
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| 318 | n/a | # Select 2 long lines. |
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| 319 | n/a | text.insert('1.0', self.multiline_test_string) |
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| 320 | n/a | text.tag_add('sel', '2.0', '4.0') |
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| 321 | n/a | self.formatter('ParameterDoesNothing', limit=70) |
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| 322 | n/a | result = text.get('2.0', 'insert') |
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| 323 | n/a | expected = ( |
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| 324 | n/a | " The second line's length is way over the max width. It goes on and\n" |
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| 325 | n/a | " on until it is over 100 characters long. Same thing with the third\n" |
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| 326 | n/a | " line. It is also way over the max width, but FormatParagraph will\n" |
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| 327 | n/a | " fix it.\n") |
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| 328 | n/a | self.assertEqual(result, expected) |
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| 329 | n/a | text.delete('1.0', 'end') |
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| 330 | n/a | |
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| 331 | n/a | def test_comment_block(self): |
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| 332 | n/a | text = self.text |
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| 333 | n/a | |
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| 334 | n/a | # Set cursor ('insert') to '1.0', within block. |
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| 335 | n/a | text.insert('1.0', self.multiline_test_comment) |
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| 336 | n/a | self.formatter('ParameterDoesNothing', limit=70) |
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| 337 | n/a | result = text.get('1.0', 'insert') |
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| 338 | n/a | expected = ( |
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| 339 | n/a | "# The first line is under the max width. The second line's length is\n" |
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| 340 | n/a | "# way over the max width. It goes on and on until it is over 100\n" |
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| 341 | n/a | "# characters long. Same thing with the third line. It is also way over\n" |
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| 342 | n/a | "# the max width, but FormatParagraph will fix it. The fourth line is\n" |
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| 343 | n/a | "# short like the first line.\n") |
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| 344 | n/a | self.assertEqual(result, expected) |
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| 345 | n/a | text.delete('1.0', 'end') |
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| 346 | n/a | |
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| 347 | n/a | # Select line 2, verify line 1 unaffected. |
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| 348 | n/a | text.insert('1.0', self.multiline_test_comment) |
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| 349 | n/a | text.tag_add('sel', '2.0', '3.0') |
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| 350 | n/a | self.formatter('ParameterDoesNothing', limit=70) |
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| 351 | n/a | result = text.get('1.0', 'insert') |
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| 352 | n/a | expected = ( |
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| 353 | n/a | "# The first line is under the max width.\n" |
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| 354 | n/a | "# The second line's length is way over the max width. It goes on and\n" |
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| 355 | n/a | "# on until it is over 100 characters long.\n") |
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| 356 | n/a | self.assertEqual(result, expected) |
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| 357 | n/a | text.delete('1.0', 'end') |
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| 358 | n/a | |
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| 359 | n/a | # The following block worked with EditorWindow but fails with the mock. |
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| 360 | n/a | # Lines 2 and 3 get pasted together even though the previous block left |
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| 361 | n/a | # the previous line alone. More investigation is needed. |
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| 362 | n/a | ## # Select lines 3 and 4 |
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| 363 | n/a | ## text.insert('1.0', self.multiline_test_comment) |
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| 364 | n/a | ## text.tag_add('sel', '3.0', '5.0') |
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| 365 | n/a | ## self.formatter('ParameterDoesNothing') |
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| 366 | n/a | ## result = text.get('3.0', 'insert') |
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| 367 | n/a | ## expected = ( |
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| 368 | n/a | ##"# Same thing with the third line. It is also way over the max width,\n" |
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| 369 | n/a | ##"# but FormatParagraph will fix it. The fourth line is short like the\n" |
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| 370 | n/a | ##"# first line.\n") |
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| 371 | n/a | ## self.assertEqual(result, expected) |
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| 372 | n/a | ## text.delete('1.0', 'end') |
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| 373 | n/a | |
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| 374 | n/a | |
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| 375 | n/a | if __name__ == '__main__': |
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| 376 | n/a | unittest.main(verbosity=2, exit=2) |
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