def test_symbol(self):
x = symbol('x')
y = symbol('x')
z = symbol(x)
self.assertEqual(x, x)
self.assertEqual(x, y)
self.assertEqual(x, z)
self.assertEqual(y, x)
self.assertEqual(y, y)
self.assertEqual(y, z)
self.assertEqual(z, x)
self.assertEqual(z, y)
self.assertEqual(z, z)
self.assertEqual(id(x), id(y))
self.assertEqual(id(y), id(z))
self.assertTrue(x is y)
self.assertTrue(y is z)
w = symbol('w')
self.assertNotEqual(x, w)
self.assertNotEqual(w, x)
self.assertFalse(x is w)
def test_ref(self):
a = ref(symbol('a'))
self.assertEqual(deref(a), undefined)
self.assertEqual(setref(a, 100), 100)
self.assertEqual(deref(a), 100)
self.assertEqual(repr(a), "ref(symbol('a'))")
b = ref(symbol('b'), 101)
self.assertEqual(deref(b), 101)
def test_dict(self):
x = symbol('x')
y = symbol('y')
d = dict()
d[x] = "cookies"
d[y] = "cake"
d['x'] = "chicken"
d['y'] = "tuna"
self.assertEqual(d[x], "cookies")
self.assertEqual(d[y], "cake")
self.assertEqual(d['x'], "chicken")
self.assertEqual(d['y'], "tuna")
def test_against_str(self):
x = symbol('x')
self.assertFalse(x is 'x')
self.assertNotEqual(x, 'x')
self.assertNotEqual('x', x)
def test_attr(self):
a = ref(symbol('a'))
b = attr(symbol('b'), a._get_value, a._set_value)
self.assertEqual(deref(a), deref(b))
self.assertEqual(deref(b), undefined)
self.assertEqual(setref(b, 101), 101)
self.assertEqual(deref(b), 101)
self.assertEqual(deref(a), 101)
self.assertEqual(setref(a, 102), 102)
self.assertEqual(deref(b), 102)
self.assertEqual(deref(a), 102)
c = attr(symbol('c'), a._get_value)
self.assertEqual(deref(c), 102)
with self.assertRaises(AttributeError):
setref(c, 999)
def simplify(self, positions):
return symbol(self.token)
from functools import partial
from sibilant import symbol
import re
__all__ = ( "parse",
"E_SYMBOL", "E_NUMBER", "E_STRING",
"E_QUOTE", "E_QUASI", "E_UNQUOTE", "E_SPLICE",
"E_OPEN", "E_CLOSE", "E_DOT", "E_COMMENT",
"E_NEWLINE" )
# these are the events that can be emitted.
E_SYMBOL = symbol("E_SYMBOL")
E_NUMBER = symbol("E_NUMBER")
E_STRING = symbol("E_STRING")
E_QUOTE = symbol("E_QUOTE")
E_QUASI = symbol("E_QUASI")
E_UNQUOTE = symbol("E_UNQUOTE")
E_SPLICE = symbol("E_SPLICE")
E_OPEN = symbol("E_OPEN")
E_CLOSE = symbol("E_CLOSE")
E_DOT = symbol("E_DOT")
E_COMMENT = symbol("E_COMMENT")
E_NEWLINE = symbol("E_NEWLINE")
def parse(stream):
"""
def test_repr_str(self):
x = symbol('x')
self.assertEqual(repr(x), "symbol('x')")
self.assertEqual(str(x), 'x')
