test/tc_ui.py


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# Copyright (C) 2009, 2010  Roman Zimbelmann <romanz@lavabit.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

if __name__ == '__main__': from __init__ import init; init()

import unittest
import curses

from ranger.gui import ui

from test import Fake, OK, raise_ok

ui.curses = Fake()

class Test(unittest.TestCase):
	def setUp(self):

		self.fm = Fake()
		self.ui = ui.UI(env=Fake(), fm=self.fm)

		def fakesetup():
			self.ui.widget = Fake()
			self.ui.add_child(self.ui.widget)
		self.ui.setup = fakesetup

		self.ui.initialize()

	def tearDown(self):
		self.ui.destroy()
	
	def test_passing(self):
		# Test whether certain method calls are passed to widgets
		widget = self.ui.widget

		widget.draw = raise_ok
		self.assertRaises(OK, self.ui.draw)
		widget.__clear__()

		widget.finalize = raise_ok
		self.assertRaises(OK, self.ui.finalize)
		widget.__clear__()

		widget.press = raise_ok
		random_key = 123
		self.assertRaises(OK, self.ui.handle_key, random_key)
		widget.__clear__()

		widget.destroy = raise_ok
		self.assertRaises(OK, self.ui.destroy)
		widget.__clear__()

if __name__ == '__main__':
	unittest.main()
// So far instructions can only contain linear lists of properties. Now we add
// support for more complex trees of properties in dilated reagents. This will
// come in handy later for expressing complex types, like "a dictionary from
// (address to array of charaters) to (list of numbers)".

:(scenarios load)
:(scenario dilated_reagent_with_nested_brackets)
def main [
  {1: number, foo: (bar (baz quux))} <- copy 34
]
+parse:   product: {1: "number", "foo": ("bar" ("baz" "quux"))}

:(before "End Parsing Reagent Property(value)")
value = parse_string_tree(value);
:(before "End Parsing Reagent Type Property(value)")
value = parse_string_tree(value);

:(code)
string_tree* parse_string_tree(string_tree* s) {
  assert(!s->left && !s->right);
  if (s->value.at(0) != '(') return s;
  string_tree* result = parse_string_tree(s->value);
  delete s;
  return result;
}

string_tree* parse_string_tree(const string& s) {
  istringstream in(s);
  in >> std::noskipws;
  return parse_string_tree(in);
}

string_tree* parse_string_tree(istream& in) {
  skip_whitespace_but_not_newline(in);
  if (!has_data(in)) return NULL;
  if (in.peek() == ')') {
    in.get();
    return NULL;
  }
  if (in.peek() != '(') {
    string_tree* result = new string_tree(next_word(in));
    return result;
  }
  in.get();  // skip '('
  string_tree* result = NULL;
  string_tree** curr = &result;
  while (in.peek() != ')') {
    assert(has_data(in));
    *curr = new string_tree("");
    skip_whitespace_but_not_newline(in);
    if (in.peek() == '(')
      (*curr)->left = parse_string_tree(in);
    else
      (*curr)->value = next_word(in);
    curr = &(*curr)->right;
  }
  in.get();  // skip ')'
  return result;
}

:(scenario dilated_reagent_with_type_tree)
% Hide_errors = true;  // 'map' isn't defined yet
def main [
  {1: (foo (address array character) (bar number))} <- copy 34
]
# just to avoid errors
container foo [
]
container bar [
]
+parse:   product: {1: ("foo" ("address" "array" "character") ("bar" "number"))}