gerbonara/gerber/tests/test_excellon.py
2016-11-18 07:55:43 -05:00

339 lines
9.7 KiB
Python

#! /usr/bin/env python
# -*- coding: utf-8 -*-
# Author: Hamilton Kibbe <ham@hamiltonkib.be>
import os
from ..cam import FileSettings
from ..excellon import read, detect_excellon_format, ExcellonFile, ExcellonParser
from ..excellon import DrillHit, DrillSlot
from ..excellon_statements import ExcellonTool
from .tests import *
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_equal(settings['format'], (2, 4))
assert_equal(settings['zeros'], 'trailing')
settings = detect_excellon_format(filename=NCDRILL_FILE)
assert_equal(settings['format'], (2, 4))
assert_equal(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_equal(line.strip(), srclines[idx].strip())
os.remove('test.ncd')
def test_read_settings():
ncdrill = read(NCDRILL_FILE)
assert_equal(ncdrill.settings['format'], (2, 4))
assert_equal(ncdrill.settings['zeros'], 'trailing')
def test_bounding_box():
ncdrill = read(NCDRILL_FILE)
xbound, ybound = ncdrill.bounding_box
assert_array_almost_equal(xbound, (0.1300, 2.1430))
assert_array_almost_equal(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_equal(ncdrill.settings.units, 'inch')
ncdrill_inch = copy.deepcopy(ncdrill)
ncdrill.to_metric()
assert_equal(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_equal(i_tool, m_tool)
for m, i in zip(ncdrill.primitives, ncdrill_inch.primitives):
assert_equal(m.position, i.position, '%s not equal to %s' % (m, i))
assert_equal(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_equal(p.hole_count, 36)
def test_parser_hole_sizes():
settings = FileSettings(**detect_excellon_format(NCDRILL_FILE))
p = ExcellonParser(settings)
p.parse(NCDRILL_FILE)
assert_equal(p.hole_sizes, [0.0236, 0.0354, 0.04, 0.126, 0.128])
def test_parse_whitespace():
p = ExcellonParser(FileSettings())
assert_equal(p._parse_line(' '), None)
def test_parse_comment():
p = ExcellonParser(FileSettings())
p._parse_line(';A comment')
assert_equal(p.statements[0].comment, 'A comment')
def test_parse_format_comment():
p = ExcellonParser(FileSettings())
p._parse_line('; FILE_FORMAT=9:9 ')
assert_equal(p.format, (9, 9))
def test_parse_header():
p = ExcellonParser(FileSettings())
p._parse_line('M48 ')
assert_equal(p.state, 'HEADER')
p._parse_line('M95 ')
assert_equal(p.state, 'DRILL')
def test_parse_rout():
p = ExcellonParser(FileSettings())
p._parse_line('G00 ')
assert_equal(p.state, 'ROUT')
p._parse_line('G05 ')
assert_equal(p.state, 'DRILL')
def test_parse_version():
p = ExcellonParser(FileSettings())
p._parse_line('VER,1 ')
assert_equal(p.statements[0].version, 1)
p._parse_line('VER,2 ')
assert_equal(p.statements[1].version, 2)
def test_parse_format():
p = ExcellonParser(FileSettings())
p._parse_line('FMAT,1 ')
assert_equal(p.statements[0].format, 1)
p._parse_line('FMAT,2 ')
assert_equal(p.statements[1].format, 2)
def test_parse_units():
settings = FileSettings(units='inch', zeros='trailing')
p = ExcellonParser(settings)
p._parse_line(';METRIC,LZ')
assert_equal(p.units, 'inch')
assert_equal(p.zeros, 'trailing')
p._parse_line('METRIC,LZ')
assert_equal(p.units, 'metric')
assert_equal(p.zeros, 'leading')
def test_parse_incremental_mode():
settings = FileSettings(units='inch', zeros='trailing')
p = ExcellonParser(settings)
assert_equal(p.notation, 'absolute')
p._parse_line('ICI,ON ')
assert_equal(p.notation, 'incremental')
p._parse_line('ICI,OFF ')
assert_equal(p.notation, 'absolute')
def test_parse_absolute_mode():
settings = FileSettings(units='inch', zeros='trailing')
p = ExcellonParser(settings)
assert_equal(p.notation, 'absolute')
p._parse_line('ICI,ON ')
assert_equal(p.notation, 'incremental')
p._parse_line('G90 ')
assert_equal(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_equal(p.statements[0].count, 3)
def test_parse_incremental_position():
p = ExcellonParser(FileSettings(notation='incremental'))
p._parse_line('X01Y01')
p._parse_line('X01Y01')
assert_equal(p.pos, [2., 2.])
def test_parse_unknown():
p = ExcellonParser(FileSettings())
p._parse_line('Not A Valid Statement')
assert_equal(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_equal(hit.tool.settings.units, 'inch')
assert_equal(hit.tool.diameter, 1.0)
assert_equal(hit.position, (1.0, 1.0))
# No Effect
hit.to_inch()
assert_equal(hit.tool.settings.units, 'inch')
assert_equal(hit.tool.diameter, 1.0)
assert_equal(hit.position, (1.0, 1.0))
# Should convert
hit.to_metric()
assert_equal(hit.tool.settings.units, 'metric')
assert_equal(hit.tool.diameter, 25.4)
assert_equal(hit.position, (25.4, 25.4))
# No Effect
hit.to_metric()
assert_equal(hit.tool.settings.units, 'metric')
assert_equal(hit.tool.diameter, 25.4)
assert_equal(hit.position, (25.4, 25.4))
# Convert back to inch
hit.to_inch()
assert_equal(hit.tool.settings.units, 'inch')
assert_equal(hit.tool.diameter, 1.0)
assert_equal(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_equal(hit.position, position)
hit.offset(offset[0], offset[1])
assert_equal(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_equal(hit.tool.settings.units, 'inch')
assert_equal(hit.tool.diameter, 1.0)
assert_equal(hit.start, (1.0, 1.0))
assert_equal(hit.end, (10.0, 10.0))
# No Effect
hit.to_inch()
assert_equal(hit.tool.settings.units, 'inch')
assert_equal(hit.tool.diameter, 1.0)
assert_equal(hit.start, (1.0, 1.0))
assert_equal(hit.end, (10.0, 10.0))
# Should convert
hit.to_metric()
assert_equal(hit.tool.settings.units, 'metric')
assert_equal(hit.tool.diameter, 25.4)
assert_equal(hit.start, (25.4, 25.4))
assert_equal(hit.end, (254.0, 254.0))
# No Effect
hit.to_metric()
assert_equal(hit.tool.settings.units, 'metric')
assert_equal(hit.tool.diameter, 25.4)
assert_equal(hit.start, (25.4, 25.4))
assert_equal(hit.end, (254.0, 254.0))
# Convert back to inch
hit.to_inch()
assert_equal(hit.tool.settings.units, 'inch')
assert_equal(hit.tool.diameter, 1.0)
assert_equal(hit.start, (1.0, 1.0))
assert_equal(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_equal(slot.start, start)
assert_equal(slot.end, end)
slot.offset(offset[0], offset[1])
assert_equal(slot.start, expected_start)
assert_equal(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_equal(slot.bounding_box, expected)
#def test_exce