gerbonara/gerber/tests/test_excellon.py
Paulo Henrique Silva ef589a0640
Migrate to pytest (#111)
* Migrate to pytest

All tests were update to use pytest.

Tests were alse black formatted. Eventually all code
will be black formatted but need to merge some PRs first.
2019-11-26 00:37:41 -03:00

366 lines
9.6 KiB
Python

#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Author: Hamilton Kibbe <ham@hamiltonkib.be>
import os
import pytest
from ..cam import FileSettings
from ..excellon import read, detect_excellon_format, ExcellonFile, ExcellonParser
from ..excellon import DrillHit, DrillSlot
from ..excellon_statements import ExcellonTool, RouteModeStmt
NCDRILL_FILE = os.path.join(os.path.dirname(__file__), "resources/ncdrill.DRD")
def test_format_detection():
""" Test file type detection
"""
with open(NCDRILL_FILE, "rU") as f:
data = f.read()
settings = detect_excellon_format(data)
assert settings["format"] == (2, 4)
assert settings["zeros"] == "trailing"
settings = detect_excellon_format(filename=NCDRILL_FILE)
assert settings["format"] == (2, 4)
assert settings["zeros"] == "trailing"
def test_read():
ncdrill = read(NCDRILL_FILE)
assert isinstance(ncdrill, ExcellonFile)
def test_write():
ncdrill = read(NCDRILL_FILE)
ncdrill.write("test.ncd")
with open(NCDRILL_FILE, "rU") as src:
srclines = src.readlines()
with open("test.ncd", "rU") as res:
for idx, line in enumerate(res):
assert line.strip() == srclines[idx].strip()
os.remove("test.ncd")
def test_read_settings():
ncdrill = read(NCDRILL_FILE)
assert ncdrill.settings["format"] == (2, 4)
assert ncdrill.settings["zeros"] == "trailing"
def test_bounding_box():
ncdrill = read(NCDRILL_FILE)
xbound, ybound = ncdrill.bounding_box
pytest.approx(xbound, (0.1300, 2.1430))
pytest.approx(ybound, (0.3946, 1.7164))
def test_report():
ncdrill = read(NCDRILL_FILE)
rprt = ncdrill.report()
def test_conversion():
import copy
ncdrill = read(NCDRILL_FILE)
assert ncdrill.settings.units == "inch"
ncdrill_inch = copy.deepcopy(ncdrill)
ncdrill.to_metric()
assert ncdrill.settings.units == "metric"
for tool in iter(ncdrill_inch.tools.values()):
tool.to_metric()
for statement in ncdrill_inch.statements:
statement.to_metric()
for m_tool, i_tool in zip(
iter(ncdrill.tools.values()), iter(ncdrill_inch.tools.values())
):
assert i_tool == m_tool
for m, i in zip(ncdrill.primitives, ncdrill_inch.primitives):
assert m.position == i.position, "%s not equal to %s" % (m, i)
assert m.diameter == i.diameter, "%s not equal to %s" % (m, i)
def test_parser_hole_count():
settings = FileSettings(**detect_excellon_format(NCDRILL_FILE))
p = ExcellonParser(settings)
p.parse(NCDRILL_FILE)
assert p.hole_count == 36
def test_parser_hole_sizes():
settings = FileSettings(**detect_excellon_format(NCDRILL_FILE))
p = ExcellonParser(settings)
p.parse(NCDRILL_FILE)
assert p.hole_sizes == [0.0236, 0.0354, 0.04, 0.126, 0.128]
def test_parse_whitespace():
p = ExcellonParser(FileSettings())
assert p._parse_line(" ") == None
def test_parse_comment():
p = ExcellonParser(FileSettings())
p._parse_line(";A comment")
assert p.statements[0].comment == "A comment"
def test_parse_format_comment():
p = ExcellonParser(FileSettings())
p._parse_line("; FILE_FORMAT=9:9 ")
assert p.format == (9, 9)
def test_parse_header():
p = ExcellonParser(FileSettings())
p._parse_line("M48 ")
assert p.state == "HEADER"
p._parse_line("M95 ")
assert p.state == "DRILL"
def test_parse_rout():
p = ExcellonParser(FileSettings())
p._parse_line("G00X040944Y019842")
assert p.state == "ROUT"
p._parse_line("G05 ")
assert p.state == "DRILL"
def test_parse_version():
p = ExcellonParser(FileSettings())
p._parse_line("VER,1 ")
assert p.statements[0].version == 1
p._parse_line("VER,2 ")
assert p.statements[1].version == 2
def test_parse_format():
p = ExcellonParser(FileSettings())
p._parse_line("FMAT,1 ")
assert p.statements[0].format == 1
p._parse_line("FMAT,2 ")
assert p.statements[1].format == 2
def test_parse_units():
settings = FileSettings(units="inch", zeros="trailing")
p = ExcellonParser(settings)
p._parse_line(";METRIC,LZ")
assert p.units == "inch"
assert p.zeros == "trailing"
p._parse_line("METRIC,LZ")
assert p.units == "metric"
assert p.zeros == "leading"
def test_parse_incremental_mode():
settings = FileSettings(units="inch", zeros="trailing")
p = ExcellonParser(settings)
assert p.notation == "absolute"
p._parse_line("ICI,ON ")
assert p.notation == "incremental"
p._parse_line("ICI,OFF ")
assert p.notation == "absolute"
def test_parse_absolute_mode():
settings = FileSettings(units="inch", zeros="trailing")
p = ExcellonParser(settings)
assert p.notation == "absolute"
p._parse_line("ICI,ON ")
assert p.notation == "incremental"
p._parse_line("G90 ")
assert p.notation == "absolute"
def test_parse_repeat_hole():
p = ExcellonParser(FileSettings())
p.active_tool = ExcellonTool(FileSettings(), number=8)
p._parse_line("R03X1.5Y1.5")
assert p.statements[0].count == 3
def test_parse_incremental_position():
p = ExcellonParser(FileSettings(notation="incremental"))
p._parse_line("X01Y01")
p._parse_line("X01Y01")
assert p.pos == [2.0, 2.0]
def test_parse_unknown():
p = ExcellonParser(FileSettings())
p._parse_line("Not A Valid Statement")
assert p.statements[0].stmt == "Not A Valid Statement"
def test_drill_hit_units_conversion():
""" Test unit conversion for drill hits
"""
# Inch hit
settings = FileSettings(units="inch")
tool = ExcellonTool(settings, diameter=1.0)
hit = DrillHit(tool, (1.0, 1.0))
assert hit.tool.settings.units == "inch"
assert hit.tool.diameter == 1.0
assert hit.position == (1.0, 1.0)
# No Effect
hit.to_inch()
assert hit.tool.settings.units == "inch"
assert hit.tool.diameter == 1.0
assert hit.position == (1.0, 1.0)
# Should convert
hit.to_metric()
assert hit.tool.settings.units == "metric"
assert hit.tool.diameter == 25.4
assert hit.position == (25.4, 25.4)
# No Effect
hit.to_metric()
assert hit.tool.settings.units == "metric"
assert hit.tool.diameter == 25.4
assert hit.position == (25.4, 25.4)
# Convert back to inch
hit.to_inch()
assert hit.tool.settings.units == "inch"
assert hit.tool.diameter == 1.0
assert hit.position == (1.0, 1.0)
def test_drill_hit_offset():
TEST_VECTORS = [
((0.0, 0.0), (0.0, 1.0), (0.0, 1.0)),
((0.0, 0.0), (1.0, 1.0), (1.0, 1.0)),
((1.0, 1.0), (0.0, -1.0), (1.0, 0.0)),
((1.0, 1.0), (-1.0, -1.0), (0.0, 0.0)),
]
for position, offset, expected in TEST_VECTORS:
settings = FileSettings(units="inch")
tool = ExcellonTool(settings, diameter=1.0)
hit = DrillHit(tool, position)
assert hit.position == position
hit.offset(offset[0], offset[1])
assert hit.position == expected
def test_drill_slot_units_conversion():
""" Test unit conversion for drill hits
"""
# Inch hit
settings = FileSettings(units="inch")
tool = ExcellonTool(settings, diameter=1.0)
hit = DrillSlot(tool, (1.0, 1.0), (10.0, 10.0), DrillSlot.TYPE_ROUT)
assert hit.tool.settings.units == "inch"
assert hit.tool.diameter == 1.0
assert hit.start == (1.0, 1.0)
assert hit.end == (10.0, 10.0)
# No Effect
hit.to_inch()
assert hit.tool.settings.units == "inch"
assert hit.tool.diameter == 1.0
assert hit.start == (1.0, 1.0)
assert hit.end == (10.0, 10.0)
# Should convert
hit.to_metric()
assert hit.tool.settings.units == "metric"
assert hit.tool.diameter == 25.4
assert hit.start == (25.4, 25.4)
assert hit.end == (254.0, 254.0)
# No Effect
hit.to_metric()
assert hit.tool.settings.units == "metric"
assert hit.tool.diameter == 25.4
assert hit.start == (25.4, 25.4)
assert hit.end == (254.0, 254.0)
# Convert back to inch
hit.to_inch()
assert hit.tool.settings.units == "inch"
assert hit.tool.diameter == 1.0
assert hit.start == (1.0, 1.0)
assert hit.end == (10.0, 10.0)
def test_drill_slot_offset():
TEST_VECTORS = [
((0.0, 0.0), (1.0, 1.0), (0.0, 0.0), (0.0, 0.0), (1.0, 1.0)),
((0.0, 0.0), (1.0, 1.0), (1.0, 0.0), (1.0, 0.0), (2.0, 1.0)),
((0.0, 0.0), (1.0, 1.0), (1.0, 1.0), (1.0, 1.0), (2.0, 2.0)),
((0.0, 0.0), (1.0, 1.0), (-1.0, 1.0), (-1.0, 1.0), (0.0, 2.0)),
]
for start, end, offset, expected_start, expected_end in TEST_VECTORS:
settings = FileSettings(units="inch")
tool = ExcellonTool(settings, diameter=1.0)
slot = DrillSlot(tool, start, end, DrillSlot.TYPE_ROUT)
assert slot.start == start
assert slot.end == end
slot.offset(offset[0], offset[1])
assert slot.start == expected_start
assert slot.end == expected_end
def test_drill_slot_bounds():
TEST_VECTORS = [
((0.0, 0.0), (1.0, 1.0), 1.0, ((-0.5, 1.5), (-0.5, 1.5))),
((0.0, 0.0), (1.0, 1.0), 0.5, ((-0.25, 1.25), (-0.25, 1.25))),
]
for start, end, diameter, expected in TEST_VECTORS:
settings = FileSettings(units="inch")
tool = ExcellonTool(settings, diameter=diameter)
slot = DrillSlot(tool, start, end, DrillSlot.TYPE_ROUT)
assert slot.bounding_box == expected
def test_handling_multi_line_g00_and_g1():
"""Route Mode statements with coordinates on separate line are handled
"""
test_data = """
%
M48
M72
T01C0.0236
%
T01
G00
X040944Y019842
M15
G01
X040944Y020708
M16
"""
uut = ExcellonParser()
uut.parse_raw(test_data)
assert (
len([stmt for stmt in uut.statements if isinstance(stmt, RouteModeStmt)]) == 2
)