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import unittest
from unittest.mock import MagicMock, patch
import sys
import os
# Mock pya before importing convertDrc since it imports pya at module level
sys.modules["pya"] = MagicMock()
sys.path.append(os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "util"))
# convertDrc uses a global `in_drc` set by klayout -rd, so we must set it
import builtins
builtins.in_drc = "/tmp/test.drc"
builtins.out_file = "/tmp/test.json"
# Now we can import - but the module-level code tries to use pya.Application
# We need to handle this by patching before import
import importlib
# Import just the convert_drc function by reading the source
import types
_util_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), "..", "util")
_src_path = os.path.join(_util_dir, "convertDrc.py")
# Load only the convert_drc function, not the module-level klayout code
with open(_src_path) as f:
source = f.read()
# Extract just the function definition
import textwrap
import re as _re
# Parse out the convert_drc function
_func_start = source.index("def convert_drc(rdb):")
_func_end = source.index("\n\napp = pya.Application")
_func_source = source[_func_start:_func_end]
# Create a module with just the function
_mod = types.ModuleType("convertDrc_test")
_mod.__dict__["os"] = os
_mod.__dict__["in_drc"] = "/tmp/test.drc"
exec(compile(_func_source, _src_path, "exec"), _mod.__dict__)
convert_drc = _mod.convert_drc
def make_mock_point(x, y):
p = MagicMock()
p.x = x
p.y = y
return p
def make_mock_edge(p1_x, p1_y, p2_x, p2_y):
edge = MagicMock()
edge.p1 = make_mock_point(p1_x, p1_y)
edge.p2 = make_mock_point(p2_x, p2_y)
return edge
def make_box_value(left, bottom, right, top):
value = MagicMock()
value.is_box.return_value = True
value.is_edge.return_value = False
value.is_edge_pair.return_value = False
value.is_polygon.return_value = False
value.is_path.return_value = False
value.is_text.return_value = False
value.is_string.return_value = False
box = MagicMock()
box.left = left
box.bottom = bottom
box.right = right
box.top = top
value.box.return_value = box
return value
def make_edge_value(p1_x, p1_y, p2_x, p2_y):
value = MagicMock()
value.is_box.return_value = False
value.is_edge.return_value = True
value.is_edge_pair.return_value = False
value.is_polygon.return_value = False
value.is_path.return_value = False
value.is_text.return_value = False
value.is_string.return_value = False
value.edge.return_value = make_mock_edge(p1_x, p1_y, p2_x, p2_y)
return value
def make_text_value(text):
value = MagicMock()
value.is_box.return_value = False
value.is_edge.return_value = False
value.is_edge_pair.return_value = False
value.is_polygon.return_value = False
value.is_path.return_value = False
value.is_text.return_value = True
value.is_string.return_value = False
value.text.return_value = text
return value
def make_mock_item(values, is_visited=False, tags_str="", comment=None):
item = MagicMock()
item.is_visited.return_value = is_visited
item.tags_str = tags_str
item.each_value.return_value = iter(values)
if comment is not None:
item.comment = comment
else:
# Remove hasattr for comment
del item.comment
return item
def make_mock_category(name, description, rdb_id, num_items, items):
cat = MagicMock()
cat.name.return_value = name
cat.description = description
cat.rdb_id.return_value = rdb_id
cat.num_items.return_value = num_items
return cat, items
class TestConvertDrc(unittest.TestCase):
def test_empty_rdb(self):
rdb = MagicMock()
rdb.each_category.return_value = iter([])
result = convert_drc(rdb)
self.assertEqual(result["source"], os.path.abspath("/tmp/test.drc"))
self.assertEqual(result["category"], {})
def test_empty_category_skipped(self):
cat = MagicMock()
cat.num_items.return_value = 0
rdb = MagicMock()
rdb.each_category.return_value = iter([cat])
result = convert_drc(rdb)
self.assertEqual(result["category"], {})
def test_box_violation(self):
box_val = make_box_value(100, 200, 300, 400)
item = make_mock_item([box_val])
cat = MagicMock()
cat.name.return_value = "metal1.min_width"
cat.description = "Minimum width violation"
cat.rdb_id.return_value = 1
cat.num_items.return_value = 1
rdb = MagicMock()
rdb.each_category.return_value = iter([cat])
rdb.each_item_per_category.return_value = iter([item])
result = convert_drc(rdb)
violations = result["category"]["metal1.min_width"]["violations"]
self.assertEqual(len(violations), 1)
self.assertEqual(len(violations[0]["shape"]), 1)
shape = violations[0]["shape"][0]
self.assertEqual(shape["type"], "box")
self.assertEqual(shape["points"][0], {"x": 100, "y": 200})
self.assertEqual(shape["points"][1], {"x": 300, "y": 400})
def test_edge_violation(self):
edge_val = make_edge_value(10, 20, 30, 40)
item = make_mock_item([edge_val])
cat = MagicMock()
cat.name.return_value = "metal1.spacing"
cat.description = "Spacing violation"
cat.rdb_id.return_value = 2
cat.num_items.return_value = 1
rdb = MagicMock()
rdb.each_category.return_value = iter([cat])
rdb.each_item_per_category.return_value = iter([item])
result = convert_drc(rdb)
violations = result["category"]["metal1.spacing"]["violations"]
shape = violations[0]["shape"][0]
self.assertEqual(shape["type"], "line")
self.assertEqual(shape["points"][0], {"x": 10, "y": 20})
self.assertEqual(shape["points"][1], {"x": 30, "y": 40})
def test_waived_violation(self):
box_val = make_box_value(0, 0, 10, 10)
item = make_mock_item([box_val], tags_str="waived")
cat = MagicMock()
cat.name.return_value = "rule1"
cat.description = "Rule 1"
cat.rdb_id.return_value = 1
cat.num_items.return_value = 1
rdb = MagicMock()
rdb.each_category.return_value = iter([cat])
rdb.each_item_per_category.return_value = iter([item])
result = convert_drc(rdb)
violation = result["category"]["rule1"]["violations"][0]
self.assertTrue(violation["waived"])
def test_text_in_comment(self):
text_val = make_text_value("error detail")
item = make_mock_item([text_val])
cat = MagicMock()
cat.name.return_value = "rule1"
cat.description = "Rule 1"
cat.rdb_id.return_value = 1
cat.num_items.return_value = 1
rdb = MagicMock()
rdb.each_category.return_value = iter([cat])
rdb.each_item_per_category.return_value = iter([item])
result = convert_drc(rdb)
violation = result["category"]["rule1"]["violations"][0]
self.assertEqual(violation["comment"], "error detail")
def test_comment_with_text(self):
text_val = make_text_value("extra info")
item = make_mock_item([text_val], comment="base comment")
cat = MagicMock()
cat.name.return_value = "rule1"
cat.description = "Rule 1"
cat.rdb_id.return_value = 1
cat.num_items.return_value = 1
rdb = MagicMock()
rdb.each_category.return_value = iter([cat])
rdb.each_item_per_category.return_value = iter([item])
result = convert_drc(rdb)
violation = result["category"]["rule1"]["violations"][0]
self.assertEqual(violation["comment"], "base comment: extra info")
if __name__ == "__main__":
unittest.main()
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