summaryrefslogtreecommitdiff
path: root/gerber/tests/test_excellon.py
blob: e7c77c6b21c5e1a00a589bdc839533bf44c1a10b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
#! /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_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_bounds():
    ncdrill = read(NCDRILL_FILE)
    xbound, ybound = ncdrill.bounds
    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)


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')
    inch_primitives = ncdrill_inch.primitives
    for tool in iter(ncdrill_inch.tools.values()):
        tool.to_metric()
    for primitive in inch_primitives:
        primitive.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, inch_primitives):
        assert_equal(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')