def setUp(self):
stub_file_stack()
self.sym = ViewDrawSym('library/', 'file.1')
self.sym.stream = FileStack(self.sym.filename)
class ViewDrawSymTests(unittest.TestCase):
""" Tests for ViewDraw library symbol files """
def setUp(self):
stub_file_stack()
self.sym = ViewDrawSym('library/', 'file.1')
self.sym.stream = FileStack(self.sym.filename)
def tearDown(self):
unstub_file_stack()
del self.sym
def test_parser_dispatch(self):
""" Check that the parsers used have the proper call signatures """
valid_cmds = 'Y U P L'.split()
for cmd in valid_cmds:
parser = self.sym.parsenode(cmd)
# make sure it only needs two argument (self, args)
self.assertEqual(len(getargspec(parser)[0]), 2)
# currently not testing invalid commands, their behaviour can be
# considered 'undefined'
def test_sym_type(self):
""" Test symbol type extraction, based on found documents """
for i, txt in enumerate(['composite', 'module', 'annotate', 'pin',
'power', 'unknown']):
k, v = self.sym.parse_type(str(i))
self.assertEqual(k, 'attr')
self.assertEqual(v, ('symtype', txt))
def test_attr_key_val(self):
""" Test attribute parsing, when it has a key and value """
k, v = self.sym.parse_attr('0 1 2 3 4 5 KEY=VAL')
self.assertEqual(k, 'attr')
self.assertEqual(v, ('KEY', 'VAL'))
def test_attr_just_key(self):
""" Test attribute parsing, when it has a key but no value """
k, v = self.sym.parse_attr('0 1 2 3 4 5 KEY')
self.assertEqual(k, 'attr')
self.assertEqual(v, ('KEY', ''))
def subtest_pin(self):
""" Common tests for both pin test cases """
k, v = self.sym.parse_pin('13 2 4 3 5 0 0 0')
self.assertEqual(k, 'pin')
self.assertEqual(v.p1, Point(3, 5))
self.assertEqual(v.p2, Point(2, 4))
self.assertEqual(v.pin_number, 13)
return(v)
def test_pin(self):
""" Test parsing a simple pin """
v = self.subtest_pin()
self.assertTrue(v.label == None)
def test_pin_with_label(self):
""" Test parsing a pin with an attached label """
self.sym.stream.f = iter(['L testlabel'])
# create a fake label parser
# NOTE not sure if this test is too coupled to internal
# state/architecture. Fix it if there's a better way
def fake_label(args):
return ('label', Label(1, 2, args, 'left', 0))
p = self.sym.parsenode
def parsenode_shim(cmd):
if cmd is 'L':
return fake_label
return p(cmd)
self.sym.parsenode = parsenode_shim
label = self.subtest_pin().label
self.assertEqual(label.type, 'label')
self.assertEqual((label.x, label.y), (1, 2))
self.assertEqual(label.text, 'testlabel')
self.assertEqual(label.align, 'left')
self.assertEqual(label.rotation, 0)
def test_label(self):
""" Test parsing a text label """
k, v = self.sym.parse_label('2 3 12 0 1 1 1 0 foobar')
# values of 1 aren't used by parser
self.assertEqual(k, 'label')
self.assertEqual(v.type, 'label')
self.assertEqual((v.x, v.y), (2, 3))
self.assertEqual(v.text, 'foobar')
self.assertEqual(v.align, 'left')
self.assertEqual(v.rotation, 0)
def test_label_inverted(self):
""" Test parsing a label (for a pin) for an inverted signal """
_k, v = self.sym.parse_label('2 3 12 0 1 1 1 1 foobar')
# everything else already tested in test_label()
self.assertEqual(v.text, '/foobar')