def test_from_wire_and_cable(self):
library = self.netlist.libraries[1]
definition = library.definitions[0]
cable = definition.cables[0]
wire = cable.wires[0]
hrefs = list(sdn.get_hwires(wire))
self.assertTrue(len(hrefs) == 1)
hrefs = list(sdn.get_hwires(cable))
self.assertTrue(len(hrefs) == 1)
def test_get_hwires_from_hrefs_of_port_and_pin(self):
library = self.netlist.libraries[1]
definition = library.definitions[0]
port = definition.ports[0]
pin = port.pins[0]
hrefs = list(sdn.get_hwires(pin))
href = hrefs[0]
from spydrnet.util.hierarchical_reference import HRef
port_href = HRef.from_parent_and_item(href.parent.parent, port)
href_result = next(sdn.get_hwires(port_href), None)
self.assertTrue(href_result is href)
pin_href = HRef.from_parent_and_item(port_href, pin)
href_result = next(sdn.get_hwires(pin_href), None)
self.assertTrue(href_result is href)
def test_get_hwires_from_hrefs_of_cable_and_wire(self):
library = self.netlist.libraries[1]
definition = library.definitions[0]
cable = definition.cables[0]
wire = cable.wires[0]
hrefs = list(sdn.get_hinstances(wire))
href_top = hrefs[0]
from spydrnet.util.hierarchical_reference import HRef
cable_href = HRef.from_parent_and_item(href_top, cable)
wire_href = HRef.from_parent_and_item(cable_href, wire)
href_result = next(sdn.get_hwires(cable_href), None)
self.assertTrue(href_result is wire_href)
href_result = next(sdn.get_hwires(wire_href), None)
self.assertTrue(href_result is wire_href)
def test_from_outerpin(self):
library = self.netlist.libraries[1]
definition = library.definitions[0]
instance = definition.children[0]
outerpin = next(iter(instance.pins))
hrefs = list(sdn.get_hwires(outerpin, selection="OUTSIDE"))
self.assertTrue(len(hrefs) == 1)
def test_get_hwires_of_pin(self):
library = self.netlist.libraries[1]
definition = library.definitions[0]
port = definition.ports[0]
pin = port.pins[0]
hrefs = list(sdn.get_hwires(pin))
self.assertTrue(len(hrefs) == 1)
def test_through_hierarchy(self):
netlist = sdn.Netlist()
library = netlist.create_library()
definition = library.create_definition()
instance = sdn.Instance()
instance.reference = definition
netlist.top_instance = instance
middle_inst = definition.create_child()
middle_def = library.create_definition()
middle_cable = middle_def.create_cable()
middle_wire = middle_cable.create_wire()
middle_inst.reference = middle_def
leaf_inst = middle_def.create_child()
leaf_def = library.create_definition()
leaf_inst.reference = leaf_def
top_inst_href = next(sdn.get_hinstances(netlist.top_instance))
hrefs = list(sdn.get_hwires(top_inst_href, recursive=True))
self.assertTrue(len(hrefs) == 1)
hrefs = list(sdn.get_hwires(middle_inst))
self.assertTrue(len(hrefs) == 1)
def test_from_library(self):
hrefs = list(sdn.get_hwires(self.netlist.libraries[0], selection=sdn.OUTSIDE))
self.assertTrue(len(hrefs) == 114)
def test_from_instance(self):
hrefs = list(sdn.get_hwires(self.netlist.top_instance))
self.assertTrue(len(hrefs) == 114)
def test_get_hwire_of_invalid_reference(self):
from spydrnet.util.hierarchical_reference import HRef
invalid_href = HRef.from_parent_and_item(None, None)
hrefs = list(sdn.get_hwires(invalid_href))
self.assertTrue(len(hrefs) == 0)
def test_regex_search(self):
hrefs = list(sdn.get_hwires(self.netlist, '.*FSM_onehot.*', is_re=True))
self.assertTrue(len(hrefs) == 21)
def test_through_hierarchy_again(self):
netlist = sdn.Netlist()
library = netlist.create_library()
library.name = 'work'
leaf_def = library.create_definition()
leaf_def.name = 'leaf'
leaf_port = leaf_def.create_port()
leaf_port.name = 'I'
leaf_port.create_pins(1)
bottom_def = library.create_definition()
bottom_def.name = 'bottom'
bottom_port = bottom_def.create_port()
bottom_port.name = 'I'
bottom_port.create_pins(1)
leaf_inst = bottom_def.create_child()
leaf_inst.reference = leaf_def
bottom_cable = bottom_def.create_cable()
bottom_cable.name = 'bottom_cable'
bottom_wire = bottom_cable.create_wire()
bottom_wire.connect_pin(bottom_port.pins[0])
bottom_wire.connect_pin(leaf_inst.pins[leaf_port.pins[0]])
bottom_floating_wire = bottom_cable.create_wire()
middle_def = library.create_definition()
middle_def.name = 'middle'
middle_port = middle_def.create_port()
middle_port.name = "I"
middle_port.create_pin()
bottom_inst = middle_def.create_child()
bottom_inst.name = 'bottom'
bottom_inst.reference = bottom_def
middle_cable = middle_def.create_cable()
middle_cable.name = "middle_cable"
middle_wire = middle_cable.create_wire()
middle_wire.connect_pin(middle_port.pins[0])
middle_wire.connect_pin(bottom_inst.pins[bottom_port.pins[0]])
middle_floating_wire = middle_cable.create_wire()
top_def = library.create_definition()
top_def.name = 'top'
top_port = top_def.create_port()
top_port.name = "I"
top_port.create_pin()
middle_inst = top_def.create_child()
middle_inst.name = 'middle'
middle_inst.reference = middle_def
top_cable = top_def.create_cable()
top_cable.name = "top_cable"
top_wire = top_cable.create_wire()
top_wire.connect_pin(top_port.pins[0])
top_wire.connect_pin(middle_inst.pins[middle_port.pins[0]])
top_floating_wire = top_cable.create_wire()
top_instance = sdn.Instance()
top_instance.name = 'top'
top_instance.reference = top_def
netlist.top_instance = top_instance
href = next(sdn.get_hwires(top_floating_wire))
hrefs = set(sdn.get_hwires(netlist.top_instance))
self.assertTrue(href in hrefs)
#look at wire_name
href = next(sdn.get_hwires(middle_floating_wire))
self.assertTrue('middle/middle_cable[1]', href.name)
hrefs = set(sdn.get_hwires(netlist.top_instance, recursive=True))
self.assertTrue(href in hrefs)
hrefs = set(sdn.get_hwires(middle_cable, selection="OUTSIDE"))
href_top_wire = next(sdn.get_hwires(top_cable.wires[0]))
href_middle_wire = next(sdn.get_hwires(middle_cable.wires[0]))
href_bottom_wire = next(sdn.get_hwires(bottom_cable.wires[0]))
self.assertTrue(href_top_wire in hrefs and href_middle_wire not in hrefs and href_bottom_wire in hrefs)
hrefs = set(sdn.get_hwires(middle_cable, selection="ALL"))
href_middle_floating_wire = next(sdn.get_hwires(middle_floating_wire))
self.assertTrue(href_top_wire in hrefs and href_middle_wire in hrefs and href_bottom_wire in hrefs and
href_middle_floating_wire in hrefs)
all_wires = set(netlist.get_hwires())
self.assertTrue(len(all_wires) == 2)
all_wires = set(netlist.get_hwires(recursive=True))
self.assertTrue(len(all_wires) == 6)
def test_of_bad_instance(self):
hrefs = list(sdn.get_hwires(sdn.Instance()))
self.assertTrue(len(hrefs) == 0)
def test_wild_card_search_on_netlist(self):
hrefs = list(sdn.get_hwires(self.netlist))
self.assertTrue(len(hrefs) > 0)
