Merge pull request #20 from curtacircuitos/ipc-d-356

Add IPC-D-356 Netlist Parsing

1 files changed, 116 insertions, 0 deletions

diff --git a/gerber/tests/test_ipc356.py b/gerber/tests/test_ipc356.py
new file mode 100644
index 0000000..760608c
--- /dev/null
+++ b/gerber/tests/test_ipc356.py
@@ -0,0 +1,116 @@
+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Author: Hamilton Kibbe <ham@hamiltonkib.be>
+from ..ipc356 import  *
+from ..cam import FileSettings
+from .tests import *
+
+import os
+
+IPC_D_356_FILE = os.path.join(os.path.dirname(__file__),
+                                'resources/ipc-d-356.ipc')
+def test_read():
+    ipcfile = read(IPC_D_356_FILE)
+    assert(isinstance(ipcfile, IPC_D_356))
+
+def test_parser():
+    ipcfile = read(IPC_D_356_FILE)
+    assert_equal(ipcfile.settings.units, 'inch')
+    assert_equal(ipcfile.settings.angle_units, 'degrees')
+    assert_equal(len(ipcfile.comments), 3)
+    assert_equal(len(ipcfile.parameters), 4)
+    assert_equal(len(ipcfile.test_records), 105)
+    assert_equal(len(ipcfile.components), 21)
+    assert_equal(len(ipcfile.vias), 14)
+    assert_equal(ipcfile.test_records[-1].net_name, 'A_REALLY_LONG_NET_NAME')
+    assert_equal(set(ipcfile.board_outline),
+                 {(0., 0.), (2.25, 0.), (2.25, 1.5), (0., 1.5)})
+
+def test_comment():
+    c = IPC356_Comment('Layer Stackup:')
+    assert_equal(c.comment, 'Layer Stackup:')
+    c = IPC356_Comment.from_line('C  Layer Stackup:   ')
+    assert_equal(c.comment, 'Layer Stackup:')
+    assert_raises(ValueError, IPC356_Comment.from_line, 'P  JOB')
+    assert_equal(str(c), '<IPC-D-356 Comment: Layer Stackup:>')
+
+def test_parameter():
+    p = IPC356_Parameter('VER', 'IPC-D-356A')
+    assert_equal(p.parameter, 'VER')
+    assert_equal(p.value, 'IPC-D-356A')
+    p = IPC356_Parameter.from_line('P  VER IPC-D-356A    ')
+    assert_equal(p.parameter, 'VER')
+    assert_equal(p.value, 'IPC-D-356A')
+    assert_raises(ValueError, IPC356_Parameter.from_line, 'C  Layer Stackup:   ')
+    assert_equal(str(p), '<IPC-D-356 Parameter: VER=IPC-D-356A>')
+
+def test_eof():
+    e = IPC356_EndOfFile()
+    assert_equal(e.to_netlist(), '999')
+    assert_equal(str(e), '<IPC-D-356 EOF>')
+
+def test_board_edge():
+    points = [(0.01, 0.01), (2., 2.), (4., 2.), (4., 6.)]
+    b = IPC356_BoardEdge(points)
+    assert_equal(b.points, points)
+    b = IPC356_BoardEdge.from_line('389BOARD_EDGE         X100Y100 X20000Y20000'
+                                   ' X40000 Y60000', FileSettings(units='inch'))
+    assert_equal(b.points, points)
+
+def test_test_record():
+    assert_raises(ValueError, IPC356_TestRecord.from_line, 'P  JOB', FileSettings())
+    record_string = '317+5VDC            VIA   -     D0150PA00X 006647Y 012900X0000          S3'
+    r = IPC356_TestRecord.from_line(record_string, FileSettings(units='inch'))
+    assert_equal(r.feature_type, 'through-hole')
+    assert_equal(r.net_name, '+5VDC')
+    assert_equal(r.id, 'VIA')
+    assert_almost_equal(r.hole_diameter, 0.015)
+    assert_true(r.plated)
+    assert_equal(r.access, 'both')
+    assert_almost_equal(r.x_coord, 0.6647)
+    assert_almost_equal(r.y_coord, 1.29)
+    assert_equal(r.rect_x, 0.)
+    assert_equal(r.soldermask_info, '3')
+    r = IPC356_TestRecord.from_line(record_string, FileSettings(units='metric'))
+    assert_almost_equal(r.hole_diameter, 0.15)
+    assert_almost_equal(r.x_coord, 6.647)
+    assert_almost_equal(r.y_coord, 12.9)
+    assert_equal(r.rect_x, 0.)
+    assert_equal(str(r),
+                 '<IPC-D-356 Test Record: Net: +5VDC Type: through-hole>')
+
+    record_string = '327+3.3VDC          R40   -1         PA01X 032100Y 007124X0236Y0315R180 S0'
+    r = IPC356_TestRecord.from_line(record_string, FileSettings(units='inch'))
+    assert_equal(r.feature_type, 'smt')
+    assert_equal(r.net_name, '+3.3VDC')
+    assert_equal(r.id, 'R40')
+    assert_equal(r.pin, '1')
+    assert_true(r.plated)
+    assert_equal(r.access, 'top')
+    assert_almost_equal(r.x_coord, 3.21)
+    assert_almost_equal(r.y_coord, 0.7124)
+    assert_almost_equal(r.rect_x, 0.0236)
+    assert_almost_equal(r.rect_y, 0.0315)
+    assert_equal(r.rect_rotation, 180)
+    assert_equal(r.soldermask_info, '0')
+    r = IPC356_TestRecord.from_line(record_string, FileSettings(units='metric'))
+    assert_almost_equal(r.x_coord, 32.1)
+    assert_almost_equal(r.y_coord, 7.124)
+    assert_almost_equal(r.rect_x, 0.236)
+    assert_almost_equal(r.rect_y, 0.315)
+
+
+    record_string = '317                 J4    -M2   D0330PA00X 012447Y 008030X0000          S0'
+    r = IPC356_TestRecord.from_line(record_string, FileSettings(units='inch'))
+    assert_equal(r.feature_type, 'through-hole')
+    assert_equal(r.id, 'J4')
+    assert_equal(r.pin, 'M2')
+    assert_almost_equal(r.hole_diameter, 0.033)
+    assert_true(r.plated)
+    assert_equal(r.access, 'both')
+    assert_almost_equal(r.x_coord, 1.2447)
+    assert_almost_equal(r.y_coord, 0.8030)
+    assert_almost_equal(r.rect_x, 0.)
+    assert_equal(r.soldermask_info, '0')
+