1 # This file is part of lyx2lyx
2 # Copyright (C) 2006 José Matos <jamatos@lyx.org>
4 # This program is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU General Public License
6 # as published by the Free Software Foundation; either version 2
7 # of the License, or (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 "This modules tests the functions used to help parse lines."
22 from parser_tools import (
40 \begin_layout Standard
42 \begin_inset Quotes eld
50 \begin_inset Quotes erd
53 describes several things in addition to LyX's philosophy: most importantly,
54 the format of all of the manuals.
55 If you don't read it, you'll have a bear of a time navigating this manual.
56 You might also be better served looking in one of the other manuals instead
59 \begin_inset Quotes eld
67 \begin_inset Quotes erd
75 header = r"""\begin_header
77 \paperpagestyle default
81 \html_be_strict fallse
82 \end_header""".splitlines()
84 newheader = r"""\begin_header
86 \paperpagestyle default
91 \end_header""".splitlines()
94 class TestParserTools(unittest.TestCase):
95 def test_check_token(self):
96 line = "\\begin_layout Standard"
98 self.assertEqual(check_token(line, "\\begin_layout"), True)
99 self.assertEqual(check_token(line, "Standard"), False)
101 def test_is_nonempty_line(self):
102 self.assertEqual(is_nonempty_line(lines[0]), False)
103 self.assertEqual(is_nonempty_line(lines[1]), True)
104 self.assertEqual(is_nonempty_line(" " * 5), False)
106 def test_find_token(self):
107 self.assertEqual(find_token(lines, "\\emph", 0), 7)
108 # no line starts with "emph" (without backspace):
109 self.assertEqual(find_token(lines, "emph", 0), -1)
110 # token on line[start] is found:
111 self.assertEqual(find_token(lines, "\\emph", 7), 7)
112 self.assertEqual(find_token(lines, "\\emph", 8), 9)
113 # token on line[end] is not found:
114 self.assertEqual(find_token(lines, "\\emph", 0, 7), -1)
115 # `ignorews` looks for whitespace-separated tokens:
116 self.assertEqual(find_token(lines, "\\emp", 0, ignorews=True), -1)
117 self.assertEqual(find_token(lines, "\\emph", 0, ignorews=True), 7)
118 self.assertEqual(find_token(lines, "\\emph", 7, ignorews=True), 7)
119 self.assertEqual(find_token(lines, "\\emph", 0, 7, True), -1)
120 # only first token is found:
121 self.assertEqual(find_token(lines, "Quotes", 0), -1)
122 self.assertEqual(find_token(lines, "Quotes", 0, ignorews=True), -1)
124 def test_find_tokens(self):
125 tokens = ["\\emph", "\\end_inset"]
126 self.assertEqual(find_tokens(lines, tokens, 0), 4)
127 self.assertEqual(find_tokens(lines, tokens, 0, 4), -1)
129 def test_find_substring(self):
130 # Quotes is not a "token" (substring at the start of any line):
131 self.assertEqual(find_token(lines, "Quotes", 0), -1)
132 self.assertEqual(find_substring(lines, "Quotes", 0), 3)
133 # return -1 on failure:
134 self.assertEqual(find_substring(lines, "Qualen", 0), -1)
136 def test_find_re(self):
137 regexp_object = re.compile(r"\\begin.*Quote")
138 # matching starts with line[start] (default: start=0)
139 self.assertEqual(find_re(lines, regexp_object), 3)
140 self.assertEqual(find_re(lines, regexp_object, start=3), 3)
141 # matching ends one line *before* line[end]:
142 self.assertEqual(find_re(lines, regexp_object, start=4), 11)
143 self.assertEqual(find_re(lines, regexp_object, start=4, end=11), -1)
145 def test_find_complete_lines(self):
146 sublines = ["\\begin_inset Quotes eld", "\\end_inset"]
147 # return index of first line of sublines:
148 self.assertEqual(find_complete_lines(lines, sublines), 3)
149 self.assertEqual(find_complete_lines(lines, ["\\end_inset"]), 4)
150 # return -1 if sublines is not found:
151 self.assertEqual(find_complete_lines(lines, ["x"]), -1)
152 # search includes line `start`:
153 self.assertEqual(find_complete_lines(lines, sublines, 3), 3)
154 self.assertEqual(find_complete_lines(lines, sublines, 4), 20)
155 self.assertEqual(find_complete_lines(lines, sublines, 21), -1)
156 # serch excludes line `end`
157 self.assertEqual(find_complete_lines(lines, sublines, 4, 20), -1)
158 # an empty list is always found
159 self.assertEqual(find_complete_lines(lines, []), 0)
161 def test_find_across_lines(self):
162 # sub with at least 2 line-breaks (uses find_complete_lines):
163 sub = "Quotes eld\n\\end_inset\n\n\n"
164 self.assertEqual(find_across_lines(lines, sub), 3)
165 # Return -1 if not found
166 self.assertEqual(find_across_lines(lines, sub, 4), -1)
167 self.assertEqual(find_across_lines(lines, sub, 0, 6), -1)
168 sub = "Quotes eld\n\\end_inset\nx\n"
169 self.assertEqual(find_across_lines(lines, sub), -1)
170 sub = "Quotes X\n\\end_inset\n\n"
171 self.assertEqual(find_across_lines(lines, sub), -1)
172 sub = "Quotes eld\n\\end_insert\n\n"
173 self.assertEqual(find_across_lines(lines, sub), -1)
174 # sub with up to 1 line-break:
175 sub = "Quotes eld\n\\end_inset"
176 self.assertEqual(find_across_lines(lines, sub), 3)
177 self.assertEqual(find_across_lines(lines, sub, 4), -1)
178 self.assertEqual(find_across_lines(lines, sub, 0, 4), -1)
179 self.assertEqual(find_across_lines(lines, sub, 4, 3), -1)
180 sub = "Quotes X eld\n\\end_inset\n"
181 self.assertEqual(find_across_lines(lines, sub), -1)
182 sub = "Quotes eld\n\\end_insert\n"
183 self.assertEqual(find_across_lines(lines, sub), -1)
184 # sub without line-break
186 self.assertEqual(find_across_lines(lines, sub), 4)
187 self.assertEqual(find_across_lines(lines, sub, 5), 12)
188 self.assertEqual(find_across_lines(lines, sub, 0, 4), -1)
189 self.assertEqual(find_across_lines(lines, sub, 2, 1), -1)
190 self.assertEqual(find_across_lines(lines, "XXX"), -1)
192 def test_get_value(self):
193 self.assertEqual(get_value(lines, "\\begin_inset"), "Quotes eld")
194 # TODO: do we want this:
195 self.assertEqual(get_value(lines, "\\begin_inset Quotes"), "Quotes eld")
196 # or only the part after "token":
197 # self.assertEqual(get_value(lines, "\\begin_inset Quotes"), "eld")
198 # return default if not found
199 self.assertEqual(get_value(lines, "\\begin_insert", default=42), 42)
200 # TODO: do we want this:
201 self.assertEqual(get_value(lines, "\\end_inset", default=None), None)
202 # or emtpy string if token is found but has no value:
203 # self.assertEqual(get_value(lines, "\\end_inset", default=None), "")
205 def test_get_bool_value(self):
206 self.assertEqual(get_bool_value(header, "\\output_changes"), False)
207 self.assertEqual(get_bool_value(newheader, "\\output_changes"), True)
208 self.assertEqual(get_bool_value(header, "\\html_css_as_file"), False)
209 self.assertEqual(get_bool_value(newheader, "\\html_css_as_file"), True)
210 self.assertEqual(get_bool_value(header, "\\something"), None)
211 self.assertEqual(get_bool_value(header, "\\output_changes", 4), None)
213 def test_set_bool_value(self):
214 # set to new value, return old value
215 self.assertEqual(set_bool_value(header, "\\output_changes", True), False)
216 self.assertEqual(set_bool_value(header, "\\html_css_as_file", True), False)
217 # return default if misspelled:
218 self.assertEqual(set_bool_value(header, "\\html_be_strict", False), None)
219 # catch error and insert new setting:
220 self.assertRaises(ValueError, set_bool_value, header, "\\something", 0)
221 self.assertEqual(header, newheader)
223 def test_del_complete_lines(self):
225 sublines = ["\\begin_inset Quotes eld", "\\end_inset"]
226 # normal operation: remove the first occurence of sublines:
227 self.assertEqual(del_complete_lines(l, sublines), True)
228 self.assertEqual(l[3], "")
229 self.assertEqual(len(l), len(lines) - len(sublines))
232 self.assertEqual(del_complete_lines(l, sublines, 21), False)
233 self.assertEqual(l, lines)
234 # deleting empty sublist returns success but does not change the list:
235 self.assertEqual(del_complete_lines(l, [], 21), True)
236 self.assertEqual(l, lines)
238 def test_del_value(self):
240 self.assertEqual(del_value(l, "\\begin_inset"), "Quotes eld")
241 self.assertEqual(del_value(l, "\\begin_inset Quotes"), "erd")
242 # return default if not found
243 self.assertEqual(del_value(l, "\\begin_insert", default=42), 42)
244 self.assertEqual(del_value(l, "\\end_inset", default=None), "")
247 if __name__ == "__main__":