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#! /usr/bin/env python
# -*- coding: utf-8 -*-
# copyright 2016 Hamilton Kibbe <ham@hamiltonkib.be>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
from .tests import *
from ..layers import *
from ..common import read
NCDRILL_FILE = os.path.join(os.path.dirname(__file__),
'resources/ncdrill.DRD')
NETLIST_FILE = os.path.join(os.path.dirname(__file__),
'resources/ipc-d-356.ipc')
COPPER_FILE = os.path.join(os.path.dirname(__file__),
'resources/top_copper.GTL')
def test_guess_layer_class():
""" Test layer type inferred correctly from filename
"""
# Add any specific test cases here (filename, layer_class)
test_vectors = [(None, 'unknown'), ('NCDRILL.TXT', 'unknown'),
('example_board.gtl', 'top'),
('exampmle_board.sst', 'topsilk'),
('ipc-d-356.ipc', 'ipc_netlist'), ]
for hint in hints:
for ext in hint.ext:
assert_equal(hint.layer, guess_layer_class('board.{}'.format(ext)))
for name in hint.name:
assert_equal(hint.layer, guess_layer_class('{}.pho'.format(name)))
for filename, layer_class in test_vectors:
assert_equal(layer_class, guess_layer_class(filename))
def test_guess_layer_class_regex():
""" Test regular expressions for layer matching
"""
# Add any specific test case (filename, layer_class)
test_vectors = [('test - top copper.gbr', 'top'),
('test - copper top.gbr', 'top'), ]
# Add custom regular expressions
layer_hints = [
Hint(layer='top',
ext=[],
name=[],
regex=r'(.*)(\scopper top|\stop copper).gbr',
content=[]
),
]
hints.extend(layer_hints)
for filename, layer_class in test_vectors:
assert_equal(layer_class, guess_layer_class(filename))
def test_guess_layer_class_by_content():
""" Test layer class by checking content
"""
expected_layer_class = 'bottom'
filename = os.path.join(os.path.dirname(__file__),
'resources/example_guess_by_content.g0')
layer_hints = [
Hint(layer='bottom',
ext=[],
name=[],
regex='',
content=['G04 Layer name: Bottom']
)
]
hints.extend(layer_hints)
assert_equal(expected_layer_class, guess_layer_class_by_content(filename))
def test_sort_layers():
""" Test layer ordering
"""
layers = [
PCBLayer(layer_class='drawing'),
PCBLayer(layer_class='drill'),
PCBLayer(layer_class='bottompaste'),
PCBLayer(layer_class='bottomsilk'),
PCBLayer(layer_class='bottommask'),
PCBLayer(layer_class='bottom'),
PCBLayer(layer_class='internal'),
PCBLayer(layer_class='top'),
PCBLayer(layer_class='topmask'),
PCBLayer(layer_class='topsilk'),
PCBLayer(layer_class='toppaste'),
PCBLayer(layer_class='outline'),
]
layer_order = ['outline', 'toppaste', 'topsilk', 'topmask', 'top',
'internal', 'bottom', 'bottommask', 'bottomsilk',
'bottompaste', 'drill', 'drawing']
bottom_order = list(reversed(layer_order[:10])) + layer_order[10:]
assert_equal([l.layer_class for l in sort_layers(layers)], layer_order)
assert_equal([l.layer_class for l in sort_layers(layers, from_top=False)],
bottom_order)
def test_PCBLayer_from_file():
layer = PCBLayer.from_cam(read(COPPER_FILE))
assert_true(isinstance(layer, PCBLayer))
layer = PCBLayer.from_cam(read(NCDRILL_FILE))
assert_true(isinstance(layer, DrillLayer))
layer = PCBLayer.from_cam(read(NETLIST_FILE))
assert_true(isinstance(layer, PCBLayer))
assert_equal(layer.layer_class, 'ipc_netlist')
def test_PCBLayer_bounds():
source = read(COPPER_FILE)
layer = PCBLayer.from_cam(source)
assert_equal(source.bounds, layer.bounds)
def test_DrillLayer_from_cam():
no_exceptions = True
try:
layer = DrillLayer.from_cam(read(NCDRILL_FILE))
assert_true(isinstance(layer, DrillLayer))
except:
no_exceptions = False
assert_true(no_exceptions)
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