Merge upstream changes

1 files changed, 72 insertions, 3 deletions

diff --git a/gerber/tests/test_layers.py b/gerber/tests/test_layers.py
index 3f2bcfc..7e36dc2 100644
--- a/gerber/tests/test_layers.py
+++ b/gerber/tests/test_layers.py
@@ -1,11 +1,33 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
 
-# Author: Hamilton Kibbe <ham@hamiltonkib.be>
+# 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 guess_layer_class, hints
+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
@@ -30,4 +52,51 @@ def test_guess_layer_class():
 def test_sort_layers():
     """ Test layer ordering
     """
-    pass
+    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)