def testId__getitem__(self):
"""Id.__getitem__"""
# Why the aa? At one point a subtle bug was present that wasn't being
# caught with single character path elements.
a = Id('aa/b/c/d')
def T(x):
self.assert_(x)
T(isinstance(a[0], Id))
T(isinstance(a[0:3], Id))
T(a[0] == Id('aa'))
T(a[1] == Id('b'))
T(a[2] == Id('c'))
T(a[3] == Id('d'))
T(a[-1] == Id('d'))
self.assertRaises(IndexError, a.__getitem__, 4)
T(a[0:2] == Id('aa/b'))
T(a[2:0] == Id('.'))
T(a[2:0:-1] == Id('c/b')) # useless? who knows
T(a[-2:] == Id('c/d'))
def _init(self):
self.square = bool(self.square)
def gen_pad_shape(dia, id, layer=None):
if self.square:
r = dia / 2
return Polygon(ext=(V(-r, -r), V(r, -r), V(r, r), V(-r, r)),
id=id,
layer=layer)
else:
return Circle(dia=dia, id=id, layer=layer)
self.add(Hole(dia=self.dia, id=Id()))
self.add(
gen_pad_shape(self.dia + (self.thickness * 2),
id=Id('pad'),
layer='top.pad'))
self.add(gen_pad_shape(self.mask, id=Id('mask'), layer='top.mask'))
self.add(
gen_pad_shape(self.mask + (self.clearance * 2),
id=Id('clearance'),
layer='top.clearance'))
self.connects.add(Id('pad'))
def testElement_notify(self):
"""Element.notify()"""
def T(got,expected = True):
self.assert_(expected == got,'got: %s expected: %s' % (got,expected))
a = Element(id=Id('a'))
class cb:
def __init__(self):
self.count = 0
def __call__(self):
self.count += 1
self.assertRaises(ValueError,
lambda:a.topology_notify(Id('a'),lambda:None))
self.assertRaises(ValueError,
lambda:a.topology_notify(Id('z/y'),lambda:None))
self.assertRaises(TypeError,
lambda:a.topology_notify(Id('.'),None))
# Test callback adding and deletion
cb1 = cb()
a.topology_notify(Id('a/b'),cb1)
T(unwrap(a).__dict_callbacks__['b'],set((weakref.ref(cb1),)))
cb2 = cb()
a.topology_notify(Id('a/b'),cb2)
T(unwrap(a).__dict_callbacks__['b'],
set((weakref.ref(cb1),
weakref.ref(cb2))))
del cb1
T(unwrap(a).__dict_callbacks__['b'],set((weakref.ref(cb2),)))
del cb2
T(not unwrap(a).__dict_callbacks__.has_key('b')
or unwrap(a).__dict_callbacks__['b'] == set())
# Test that callbacks are actually called
# Called for adding an object
cb1 = cb()
a.topology_notify(Id('a/b'),cb1)
cb2 = cb()
a.topology_notify(Id('a/b'),cb2)
b = Element(id=Id('b'))
cbp = cb()
b.topology_notify(Id('.'),cbp)
a.add(b)
T(cb1.count,1)
T(cb2.count,1)
T(cbp.count,1)
T(not unwrap(a).__dict_callbacks__.has_key('b'))
T(not unwrap(b).__dict_callbacks__.has_key('parent'))
# Test for removing an object, just a check that there is no .remove
# for now.
T(not hasattr(a,'remove'))
def testId__iter__(self):
p = []
for i in Id('aa/b/cc/dd'):
self.assert_(isinstance(i, Id))
p.append(i)
self.assert_(p == [Id('aa'), Id('b'), Id('cc'), Id('dd')])
def testIdInitWithId(self):
"""Id(Id('foo'))"""
a = Id('foo')
b = Id(a)
self.assert_(hash(a) == hash(b))
def testIdHashable(self):
"""hash(Id())"""
a = Id('foo')
b = Id('bar')
c = Id('foo')
self.assert_(hash(a) == hash(c))
self.assert_(hash(a) != hash(b))
def _init(self):
self.add(self.from_ab(self.thickness, id=Id('pad'), layer='top.pad'))
self.add(
self.from_ab(self.thickness + (self.clearance * 2),
id=Id('clearance'),
layer='top.clearance'))
self.add(self.from_ab(self.mask, id=Id('mask'), layer='top.mask'))
self.connects.add(Id('pad'))
def testId_len(self):
"""len(Id)"""
def T(x):
self.assert_(x)
T(len(Id('_1/_2/_3')) == 3)
T(len(Id('_1/_2')) == 2)
T(len(Id('_1')) == 1)
T(len(Id('.')) == 0)
T(len(Id()) == 0)
def testElementRef_apply_remove_context(self):
"""ElementRef._(apply|remove)_context"""
def T(got, expected=True):
self.assert_(expected == got,
'got: %s expected: %s' % (got, expected))
global bypass
class skit(Element):
def f(self, d):
global bypass
r = bypass
bypass = d
return ElementRef(self, r)
a = Element(id=Id('a'))
a.add(Element(id=Id('b')))
a.b.add(Element(id=Id('c')))
s = skit(id=Id('s'))
a.b.c.add(s)
bypass = Id('.')
r = a.b.c.s.f(None)
T(r().id, Id('a/b/c/s'))
bypass = Id('../../..')
r = a.b.c.s.f(r)
T(bypass().id, Id('.'))
T(r().id, Id('a'))
def testIdAddSide_effects(self):
"""Id() + Id() has no side effects"""
a = Id('foo')
b = Id('bar')
c = a + b
self.assert_(str(a) == 'foo')
self.assert_(str(b) == 'bar')
self.assert_(str(c) == 'foo/bar')
def testIdEqNeq(self):
"""Id() ==, != operators"""
self.assert_(Id() == Id())
self.assert_(not Id() != Id())
self.assert_(Id('asdf') != Id())
self.assert_(Id('asdf') == Id() + Id('asdf'))
def testId_build_context(self):
"""Id._build_context()"""
def T(got, expected=True):
self.assert_(expected == got,
'got: %s expected: %s' % (got, expected))
T(Id('spam')._build_context(Id('eggs'), False), Id('eggs/spam'))
T(
Id('spam')._build_context(Id('ham/eggs'), False),
Id('ham/eggs/spam'))
T(Id('spam')._build_context(Id('ham/eggs'), True), Id('ham'))
def T(elem,id_set):
ids = set()
for e in elem:
if isinstance(e,Element):
ids.add(e.id)
id_set = set([Id(i) for i in id_set])
self.assert_(ids == id_set,'got: %s expected: %s' % (ids,id_set))
def testElementRemoveNotImplemented(self):
"""Element.remove() not yet implemented"""
# This is a real test, if this fails, we need to make sure that
# Connects handles the case where a Element parent is removed.
a = Element(id=Id('a'))
self.assert_(not hasattr(a,'remove'))
def testConnectsReprEvalRepr(self):
"""repr(eval(repr(Connects))) round trip"""
def T(got,expected = True):
self.assert_(expected == got,'got: %s expected: %s' % (got,expected))
a = Element(id=Id('a'))
a.add(Element(id=Id('b')))
a.b.add(Element(id=Id('c')))
a.connects.add(Id('.'))
a.connects.add(a.b)
a.connects.add(a.b.c)
a2 = Element(id='a')
a2.connects = eval(repr(a.connects))
a2.connects.base = a2
T(repr(a2.connects),repr(a.connects))
def __init__(self, id=Id()):
"""Create a sheet.
id - Id name
"""
Component.__init__(self, id=id)
def testId_from_Id_subclass(self):
"""Id(some id subclass) returns an Id"""
class foo(Id):
pass
f = foo('foo')
self.assert_(isinstance(f, foo))
f = Id(f)
self.assert_(not isinstance(f, foo))
def _init(self):
top_leds = []
bottom_leds = []
def dt(a, b):
t = self.add(Trace(thickness=20 * MIL))
t.set_endpoints(a, b)
for x in xrange(self.cols):
prev = None
for y in xrange(self.rows):
l = Led(id=Id('LED%s_%s' % (str(x), str(y))))
translate(
l,
V((x * self.spacing) -
((self.cols - 1) * self.spacing / 2),
(y * self.spacing) -
((self.rows - 0) * self.spacing / 2)))
l = self.add(l)
if prev is None:
top_leds.append(l)
else:
dt(prev.footprint._2, l.footprint._1)
prev = l
bottom_leds.append(prev)
# Create offset points for the common anodes and cathodes.
top_points = []
for t in top_leds:
p = Point()
translate(p, centerof(t.footprint._1) + V(0, -self.spacing / 2))
p = self.add(p)
dt(t.footprint._1, p)
top_points.append(p)
bottom_points = []
for t in bottom_leds:
p = Point()
translate(p, centerof(t.footprint._2) + V(0, self.spacing / 2))
p = self.add(p)
dt(t.footprint._2, p)
bottom_points.append(p)
# Link common anodes and cathodes
p = None
for i in top_points:
if p is not None:
dt(p, i)
p = i
p = None
for i in bottom_points:
if p is not None:
dt(p, i)
p = i
def testSymbol(self):
"""Symbol class"""
def T(got, expected=True):
self.assert_(
got == expected,
'\ngot: %s\nexpected: %s' % (repr(got), repr(expected)))
class foo(Symbol):
def _init(self):
a = Pin(id='a')
b = Pin(id='b')
c = Pin(id='c')
self.create_linked_pins((a, b, c, 'd'))
f = foo(id=Id('f'))
T(f.a.connects.to(Id('f/footprint/_1')))
T(f.b.connects.to(Id('f/footprint/_2')))
T(f.c.connects.to(Id('f/footprint/_3')))
T(f.d.connects.to(Id('f/footprint/_4')))
def testBaseTrace(self):
"""Basic tests of BaseTrace"""
def T(got, expected=True):
self.assert_(expected == got,
'got: %s expected: %s' % (got, expected))
a = Element(id=Id('a'))
b = Element(id=Id('b'))
a.add(b)
b.add(Pin(dia=1, thickness=1, clearance=1, mask=1, id=Id('foo')))
b.add(
Pad(a=(0, 0),
b=(1, 1),
thickness=0.5,
clearance=0.2,
mask=0.6,
id=Id('bar')))
class basetrace(BaseTrace):
valid_endpoint_types = (Pin, Pad)
a.add(basetrace(id='t'))
a.t.set_endpoints(a.b.foo, a.b.bar)
T(a.t.a().id, Id('a/b/foo'))
T(a.t.b().id, Id('a/b/bar'))
T(a.b.foo in a.t.connects)
T(a.b.bar in a.t.connects)
T(a.b.foo.connects.to(a.t))
T(a.b.bar.connects.to(a.t))
def testElementCommonParent(self):
"""Element._common_parent and related functions"""
def T(got,expected = True):
self.assert_(expected == got,'got: %s expected: %s' % (got,expected))
a = Element(id=Id('a'))
b = Element(id=Id('b'))
T(a.have_common_parent(a))
T(b.have_common_parent(b))
T(not a.have_common_parent(b))
T(not b.have_common_parent(a))
a.add(b)
T(a.have_common_parent(b))
T(b.have_common_parent(a))
a.add(Element(id=Id('z')))
a.b.add(Element(id=Id('c')))
T(a.z.have_common_parent(a.b.c))
T(not Element().have_common_parent(a.b.c))
def testId_subclassing(self):
"""Subclasses of Id work"""
class foo(Id):
def __new__(cls, s):
return Id.__new__(cls, 'foo' + s)
f = foo('lish')
self.assert_(isinstance(f, Id))
self.assert_(isinstance(f, foo))
self.assert_(f == Id('foolish'))
self.assert_(str(f) == 'foolish')
class foo(Id):
def __new__(cls, s, bar):
self = Id.__new__(cls, s)
self.bar = bar
return self
f = foo(Id('bar'), 'bar')
self.assert_(isinstance(f, Id))
self.assert_(isinstance(f, foo))
self.assert_(f == Id('bar'))
self.assert_(str(f) == 'bar')
self.assert_(f.bar == 'bar')
def testConnectsExplicit(self):
"""Explicit connections"""
def T(got,expected = True):
self.assert_(expected == got,'got: %s expected: %s' % (got,expected))
def R(ex,fn):
self.assertRaises(ex,fn)
a = Element(id=Id('a'))
T(set(a.connects),set())
b = Element(id=Id('b'))
R(ValueError,lambda: a.connects.add(b))
a.add(b)
a.add(Element(id=Id('c')))
a.connects.add(a.b)
T(a.b in a.connects)
T(Id('a/b') in a.connects)
T(not (Id('c') in a.connects))
T(not (a.c in a.connects))
R(ValueError,lambda: Element() in a.connects)
def iterlayout(self, layer_mask):
if self.layer in layer_mask:
if not self.a or not self.b:
raise NotImplementedError # FIXME:
try:
yield self.copper
except AttributeError:
self.add(
Line(a=centerof(self.a()),
b=centerof(self.b()),
thickness=self.thickness,
layer=self.layer,
id=Id('copper')))
yield self.copper
def testElementIdAttr(self):
"""Auto-magical attribute lookup from sub-element Id's"""
a = Element(id=Id('a'))
translate(a,V(1,1))
foo = Element(id=Id('foo'))
translate(foo,V(2,1))
bar = Element(id=Id('bar'))
translate(bar,V(1,2))
a.add(foo)
a.add(bar)
self.assert_(a.foo.id == Id('a/foo'))
self.assert_(repr(centerof(a.foo)) == repr(V(3,2)))
self.assert_(a.bar.id == Id('a/bar'))
self.assert_(repr(centerof(a.bar)) == repr(V(2,3)))
self.assertRaises(AttributeError,lambda: a.foobar)
foo.foo = 'foo'
self.assert_(a.foo.foo is foo.foo)
a.foo.bar = 'bar'
self.assert_(a.foo.bar is foo.bar)
def testId_apply_context(self):
def T(got, expected=True):
self.assert_(expected == got,
'got: %s expected: %s' % (got, expected))
class e(object):
def __init__(self, id):
self.id = Id(id)
self._id_real = Id(id)
T(Id()._apply_context(e('ham')), Id('ham'))
T(Id('eggs')._apply_context(e('ham')), Id('ham/eggs'))
T(Id('..')._apply_context(e('ham')), Id())
def testElement__getitem__(self):
"""Element[] lookups"""
def T(elem,key,expected_id):
got = elem[key]
expected_id = Id(expected_id)
self.assert_(got.id == expected_id,'got: %s expected: %s' % (got.id,expected_id))
def R(elem,key,partial_stack):
# partial_stack is not currently used, but
err = None
self.assertRaises(KeyError,lambda:elem[key])
a = Element(id='a')
T(a,'','a')
R(a,'foo',[])
R(a,Id('foo'),[])
R(a,'..',[a])
R(a,'../b',[a])
R(a,'../..',[a])
b = a.add(Element(id='b'))
T(a,'b','a/b')
with b as b2:
R(a,'b/b',[a,b2])
R(b2,'../c',[b2,a])
c = a.add(Element(id='c'))
T(a,'c','a/c')
d = a.b.add(Element(id='d'))
T(a,'b','a/b')
T(a,'b/d','a/b/d')
T(b,'..',a['.'].id)
T(b,'../b',b.id)
T(b,'../b/d',d.id)
e = Element(id='e')
e2 = a.add(e)
a['e'].foo = 'foo'
self.assert_(e2.foo is e.foo)
self.assert_(a.e.foo is e.foo)
self.assert_(a['e'].foo is e.foo)
def test_Source_notify_unwraps(self):
"""Source.notify unwraps callables before storing them"""
def T(got, expected=True):
self.assert_(expected == got,
'got: %s expected: %s' % (got, expected))
a = Element(id=Id('a'))
called = False
class f:
def __init__(self):
self.called = False
def __call__(self):
self.called = True
f = f()
a.notify('foo', f)
a.foo = 10
T(f.called)
def __new__(cls,*args):
"""Create a new ElementRef
ref - Referenced Element, or Id
base - Context providing Element
"""
ref = None
base = None
if len(args) == 1:
ref = args[0]
elif len(args) == 2:
base = args[0]
ref = args[1]
else:
raise TypeError("%s.__new__() takes either 1 or 2 arguments, %d given",
cls.__name__,
len(args))
try:
ref = ref.id
except AttributeError:
if not isinstance(ref,Id):
raise TypeError("Expected Element, ElementRef or Id, not %s" %
type(id))
# Id.__new__(Id('foo')) short-circuits to directly return Id('foo'),
# have to kludge around that.
self = Id.__new__(cls,ref)
self.base = base
if self.base is not None:
self.base.connects.add(self)
return self
def __new__(cls, *args):
"""Create a new ElementRef
ref - Referenced Element, or Id
base - Context providing Element
"""
ref = None
base = None
if len(args) == 1:
ref = args[0]
elif len(args) == 2:
base = args[0]
ref = args[1]
else:
raise TypeError(
"%s.__new__() takes either 1 or 2 arguments, %d given",
cls.__name__, len(args))
try:
ref = ref.id
except AttributeError:
if not isinstance(ref, Id):
raise TypeError("Expected Element, ElementRef or Id, not %s" %
type(id))
# Id.__new__(Id('foo')) short-circuits to directly return Id('foo'),
# have to kludge around that.
self = Id.__new__(cls, ref)
self.base = base
if self.base is not None:
self.base.connects.add(self)
return self
def test_apply_remove_context(self):
"""V._(apply|remove)_context"""
def T(got,expected = True):
self.assert_(expected == got,'got: %s expected: %s' % (got,expected))
a = Element(id=Id('a'))
b = Element(id=Id('b'))
a.add(b)
c = Element(id=Id('c'))
a.b.add(c)
a.v = V(1,1)
c.v = V(1,1)
translate(a.b,V(0,1))
translate(a.b.c,V(1,0))
T((a.b.c.v == V(2,2)).all())
# The added d element here is important. It's transform is null, so any
# optimizations that skip applying null transforms will hopefully
# trigger bugs here.
#
# Secondly, if we used c, it still has a transform applied to any
# results from it. For instance with a.b.c as uc, uc.v == V(2,1) right
# now. Confusing!
d = Element(id=Id('d'))
a.b.c.add(d)
with a.b.c.d as ud:
# The original vertex is at 1,1 The two translations moved by
# center point by 0,1 then 1,0 totaling 1,1 so the result cancels
# out to 0,0
T((ud[Id('../../')].v == V(0,0)).all())
rotate(a,pi / 2)
T(repr(a.b.c.v),repr(V(2,-2)))
with a.b.c.d as ud:
# Even with the rotation, the translates still cancel out, why?
# Because the whole stack above a was rotated, which isn't "seen"
# from the perspective of the stack above a.
T((ud[Id('../../')].v == V(0,0)).all())
def __new__(cls,s,bar):
self = Id.__new__(cls,s)
self.bar = bar
return self
def __new__(cls,s):
return Id.__new__(cls,'foo' + s)
