aboutsummaryrefslogtreecommitdiffstats
path: root/travis/nasm-t.py
blob: 2470ad45fdbb237913583dbc483dc7fc4d082789 (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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
#!/usr/bin/python3

import subprocess
import argparse
import difflib
import filecmp
import fnmatch
import json
import sys
import re
import os

fmtr_class = argparse.ArgumentDefaultsHelpFormatter
parser = argparse.ArgumentParser(prog = 'nasm-t.py',
                                 formatter_class=fmtr_class)

parser.add_argument('-d', '--directory',
                    dest = 'dir', default = './travis/test',
                    help = 'Directory with tests')

parser.add_argument('--nasm',
                    dest = 'nasm', default = './nasm',
                    help = 'Nasm executable to use')

parser.add_argument('--hexdump',
                    dest = 'hexdump', default = '/usr/bin/hexdump',
                    help = 'Hexdump executable to use')

sp = parser.add_subparsers(dest = 'cmd')
for cmd in ['run']:
    spp = sp.add_parser(cmd, help = 'Run test cases')
    spp.add_argument('-t', '--test',
                     dest = 'test',
                     help = 'Run the selected test only',
                     required = False)

for cmd in ['new']:
    spp = sp.add_parser(cmd, help = 'Add a new test case')
    spp.add_argument('--description',
                     dest = 'description', default = "Description of a test",
                     help = 'Description of a test',
                     required = False)
    spp.add_argument('--id',
                     dest = 'id',
                     help = 'Test identifier/name',
                     required = True)
    spp.add_argument('--format',
                     dest = 'format', default = 'bin',
                     help = 'Output format',
                     required = False)
    spp.add_argument('--source',
                     dest = 'source',
                     help = 'Source file',
                     required = False)
    spp.add_argument('--option',
                     dest = 'option',
                     default = '-Ox',
                     help = 'NASM options',
                     required = False)
    spp.add_argument('--ref',
                     dest = 'ref',
                     help = 'Test reference',
                     required = False)
    spp.add_argument('--error',
                     dest = 'error',
                     help = 'Set to "y" if test is supposed to fail',
                     required = False)
    spp.add_argument('--output',
                     dest = 'output', default = 'y',
                     help = 'Output (compiled) file name (or "y")',
                     required = False)
    spp.add_argument('--stdout',
                     dest = 'stdout', default = 'y',
                     help = 'Filename of stdout file (or "y")',
                     required = False)
    spp.add_argument('--stderr',
                     dest = 'stderr', default = 'y',
                     help = 'Filename of stderr file (or "y")',
                     required = False)

for cmd in ['list']:
    spp = sp.add_parser(cmd, help = 'List test cases')

for cmd in ['update']:
    spp = sp.add_parser(cmd, help = 'Update test cases with new compiler')
    spp.add_argument('-t', '--test',
                     dest = 'test',
                     help = 'Update the selected test only',
                     required = False)

map_fmt_ext = {
        'bin':      '.bin',
        'elf':      '.o',
        'elf64':    '.o',
        'elf32':    '.o',
        'elfx32':   '.o',
        'ith':      '.ith',
        'srec':     '.srec',
        'obj':      '.obj',
        'win32':    '.obj',
        'win64':    '.obj',
        'coff':     '.obj',
        'macho':    '.o',
        'macho32':  '.o',
        'macho64':  '.o',
        'aout':     '.out',
        'aoutb':    '.out',
        'as86':     '.o',
        'rdf':      '.rdf',
}

args = parser.parse_args()

if args.cmd == None:
    parser.print_help()
    sys.exit(1)

def read_stdfile(path):
    with open(path, "rb") as f:
        data = f.read().decode("utf-8").strip("\n")
        f.close()
        return data

#
# Check if descriptor has mandatory fields
def is_valid_desc(desc):
    if desc == None:
        return False
    if 'description' not in desc:
        return False
    if desc['description'] == "":
        return False
    return True

#
# Expand ref/id in descriptors array
def expand_templates(desc_array):
    desc_ids = { }
    for d in desc_array:
        if 'id' in d:
            desc_ids[d['id']] = d
    for i, d in enumerate(desc_array):
        if 'ref' in d and d['ref'] in desc_ids:
            ref = desc_ids[d['ref']]
            own = d.copy()
            desc_array[i] = ref.copy()
            for k, v in own.items():
                desc_array[i][k] = v
            del desc_array[i]['id']
    return desc_array

def prepare_desc(desc, basedir, name, path):
    if not is_valid_desc(desc):
        return False
    #
    # Put private fields
    desc['_base-dir'] = basedir
    desc['_json-file'] = name
    desc['_json-path'] = path
    desc['_test-name'] = basedir + os.sep + name[:-5]
    #
    # If no target provided never update
    if 'target' not in desc:
        desc['target'] = []
        desc['update'] = 'false'
    #
    # Which code to expect when nasm finishes
    desc['_wait'] = 0
    if 'error' in desc:
        if desc['error'] == 'expected':
            desc['_wait'] = 1
    #
    # Walk over targets and generate match templates
    # if were not provided yet
    for d in desc['target']:
        if 'output' in d and not 'match' in d:
            d['match'] = d['output'] + ".t"
    return True

def read_json(path):
    desc = None
    try:
        with open(path, "rb") as f:
            try:
                desc = json.loads(f.read().decode("utf-8").strip("\n"))
            except:
                desc = None
            finally:
                f.close()
    except:
        pass
    return desc

def read_desc(basedir, name):
    path = basedir + os.sep + name
    desc = read_json(path)
    desc_array = []
    if type(desc) == dict:
        if prepare_desc(desc, basedir, name, path) == True:
            desc_array += [desc]
    elif type(desc) == list:
        expand_templates(desc)
        for de in desc:
            if prepare_desc(de, basedir, name, path) == True:
                desc_array += [de]
    return desc_array

def collect_test_desc_from_file(path):
    if not fnmatch.fnmatch(path, '*.json'):
        path += '.json'
    basedir = os.path.dirname(path)
    filename = os.path.basename(path)
    return read_desc(basedir, filename)

def collect_test_desc_from_dir(basedir):
    desc_array = []
    if os.path.isdir(basedir):
        for filename in os.listdir(basedir):
            if os.path.isdir(basedir + os.sep + filename):
                desc_array += collect_test_desc_from_dir(basedir + os.sep + filename)
            elif fnmatch.fnmatch(filename, '*.json'):
                desc = read_desc(basedir, filename)
                if desc == None:
                    continue
                desc_array += desc
        desc_array.sort(key=lambda x: x['_test-name'])
    return desc_array

if args.cmd == 'list':
    fmt_entry = '%-32s %s'
    desc_array = collect_test_desc_from_dir(args.dir)
    print(fmt_entry % ('Name', 'Description'))
    for desc in desc_array:
        print(fmt_entry % (desc['_test-name'], desc['description']))

def test_abort(test, message):
    print("\t%s: %s" % (test, message))
    print("=== Test %s ABORT ===" % (test))
    sys.exit(1)
    return False

def test_fail(test, message):
    print("\t%s: %s" % (test, message))
    print("=== Test %s FAIL ===" % (test))
    return False

def test_skip(test, message):
    print("\t%s: %s" % (test, message))
    print("=== Test %s SKIP ===" % (test))
    return True

def test_over(test):
    print("=== Test %s ERROR OVER ===" % (test))
    return True

def test_pass(test):
    print("=== Test %s PASS ===" % (test))
    return True

def test_updated(test):
    print("=== Test %s UPDATED ===" % (test))
    return True

def run_hexdump(path):
    p = subprocess.Popen([args.hexdump, "-C", path],
                         stdout = subprocess.PIPE,
                         close_fds = True)
    if p.wait() == 0:
        return p
    return None

def show_std(stdname, data):
    print("\t--- %s" % (stdname))
    for i in data.split("\n"):
        print("\t%s" % i)
    print("\t---")

def cmp_std(from_name, from_data, match_name, match_data):
    if from_data != match_data:
        print("\t--- %s" % (from_name))
        for i in from_data.split("\n"):
            print("\t%s" % i)
        print("\t--- %s" % (match_name))
        for i in match_data.split("\n"):
            print("\t%s" % i)

        diff = difflib.unified_diff(from_data.split("\n"), match_data.split("\n"),
                                    fromfile = from_name, tofile = match_name)
        for i in diff:
            print("\t%s" % i.strip("\n"))
        print("\t---")
        return False
    return True

def show_diff(test, patha, pathb):
    pa = run_hexdump(patha)
    pb = run_hexdump(pathb)
    if pa == None or pb == None:
        return test_fail(test, "Can't create dumps")
    sa = pa.stdout.read().decode("utf-8").strip("\n")
    sb = pb.stdout.read().decode("utf-8").strip("\n")
    print("\t--- hexdump %s" % (patha))
    for i in sa.split("\n"):
        print("\t%s" % i)
    print("\t--- hexdump %s" % (pathb))
    for i in sb.split("\n"):
        print("\t%s" % i)
    pa.stdout.close()
    pb.stdout.close()

    diff = difflib.unified_diff(sa.split("\n"), sb.split("\n"),
                                fromfile = patha, tofile = pathb)
    for i in diff:
        print("\t%s" % i.strip("\n"))
    print("\t---")
    return True

def prepare_run_opts(desc):
    opts = []

    if 'format' in desc:
        opts += ['-f', desc['format']]
    if 'option' in desc:
        opts += desc['option'].split(" ")
    for t in desc['target']:
        if 'output' in t:
            if 'option' in t:
                opts += t['option'].split(" ") + [desc['_base-dir'] + os.sep + t['output']]
            else:
                opts += ['-o', desc['_base-dir'] + os.sep + t['output']]
        if 'stdout' in t or 'stderr' in t:
            if 'option' in t:
                opts += t['option'].split(" ")
    if 'source' in desc:
        opts += [desc['_base-dir'] + os.sep + desc['source']]
    return opts

def exec_nasm(desc):
    print("\tProcessing %s" % (desc['_test-name']))
    opts = [args.nasm] + prepare_run_opts(desc)

    nasm_env = os.environ.copy()
    nasm_env['NASMENV'] = '--reproducible'

    desc_env = desc.get('environ')
    if desc_env:
        for i in desc_env:
            v = i.split('=')
            if len(v) == 2:
                nasm_env[v[0]] = v[1]
            else:
                nasm_env[v[0]] = None

    print("\tExecuting %s" % (" ".join(opts)))
    pnasm = subprocess.Popen(opts,
                             stdout = subprocess.PIPE,
                             stderr = subprocess.PIPE,
                             close_fds = True,
                             env = nasm_env)
    if pnasm == None:
        test_fail(desc['_test-name'], "Unable to execute test")
        return None

    stderr = pnasm.stderr.read(4194304).decode("utf-8").strip("\n")
    stdout = pnasm.stdout.read(4194304).decode("utf-8").strip("\n")

    pnasm.stdout.close()
    pnasm.stderr.close()

    wait_rc = pnasm.wait();

    if desc['_wait'] != wait_rc:
        if stdout != "":
            show_std("stdout", stdout)
        if stderr != "":
            show_std("stderr", stderr)
        test_fail(desc['_test-name'],
                  "Unexpected ret code: " + str(wait_rc))
        return None, None, None
    return pnasm, stdout, stderr

def test_run(desc):
    print("=== Running %s ===" % (desc['_test-name']))

    if 'disable' in desc:
        return test_skip(desc['_test-name'], desc["disable"])

    pnasm, stdout, stderr = exec_nasm(desc)
    if pnasm == None:
        return False

    for t in desc['target']:
        if 'output' in t:
            output = desc['_base-dir'] + os.sep + t['output']
            match = desc['_base-dir'] + os.sep + t['match']
            if desc['_wait'] == 1:
                continue
            print("\tComparing %s %s" % (output, match))
            if filecmp.cmp(match, output) == False:
                show_diff(desc['_test-name'], match, output)
                return test_fail(desc['_test-name'], match + " and " + output + " files are different")
        elif 'stdout' in t:
            print("\tComparing stdout")
            match = desc['_base-dir'] + os.sep + t['stdout']
            match_data = read_stdfile(match)
            if match_data == None:
                return test_fail(test, "Can't read " + match)
            if cmp_std(match, match_data, 'stdout', stdout) == False:
                return test_fail(desc['_test-name'], "Stdout mismatch")
            else:
                stdout = ""
        elif 'stderr' in t:
            print("\tComparing stderr")
            match = desc['_base-dir'] + os.sep + t['stderr']
            match_data = read_stdfile(match)
            if match_data == None:
                return test_fail(test, "Can't read " + match)
            if cmp_std(match, match_data, 'stderr', stderr) == False:
                return test_fail(desc['_test-name'], "Stderr mismatch")
            else:
                stderr = ""

    if stdout != "":
        show_std("stdout", stdout)
        return test_fail(desc['_test-name'], "Stdout is not empty")

    if stderr != "":
        show_std("stderr", stderr)
        return test_fail(desc['_test-name'], "Stderr is not empty")

    return test_pass(desc['_test-name'])

#
# Compile sources and generate new targets
def test_update(desc):
    print("=== Updating %s ===" % (desc['_test-name']))

    if 'update' in desc and desc['update'] == 'false':
        return test_skip(desc['_test-name'], "No output provided")
    if 'disable' in desc:
        return test_skip(desc['_test-name'], desc["disable"])

    pnasm, stdout, stderr = exec_nasm(desc)
    if pnasm == None:
        return False

    for t in desc['target']:
        if 'output' in t:
            output = desc['_base-dir'] + os.sep + t['output']
            match = desc['_base-dir'] + os.sep + t['match']
            print("\tMoving %s to %s" % (output, match))
            os.rename(output, match)
        if 'stdout' in t:
            match = desc['_base-dir'] + os.sep + t['stdout']
            print("\tMoving %s to %s" % ('stdout', match))
            with open(match, "wb") as f:
                f.write(stdout.encode("utf-8"))
                f.close()
        if 'stderr' in t:
            match = desc['_base-dir'] + os.sep + t['stderr']
            print("\tMoving %s to %s" % ('stderr', match))
            with open(match, "wb") as f:
                f.write(stderr.encode("utf-8"))
                f.close()

    return test_updated(desc['_test-name'])

#
# Create a new empty test case
if args.cmd == 'new':
    #
    # If no source provided create one
    # from (ID which is required)
    if not args.source:
        args.source = args.id + ".asm"

    #
    # Emulate "touch" on source file
    path_asm = args.dir + os.sep + args.source
    print("\tCreating %s" % (path_asm))
    open(path_asm, 'a').close()

    #
    # Fill the test descriptor
    #
    # FIXME: We should probably use Jinja
    path_json = args.dir + os.sep + args.id + ".json"
    print("\tFilling descriptor %s" % (path_json))
    with open(path_json, 'wb') as f:
        f.write("[\n\t{\n".encode("utf-8"))
        acc = []
        if args.description:
            acc.append("\t\t\"description\": \"{}\"".format(args.description))
        acc.append("\t\t\"id\": \"{}\"".format(args.id))
        if args.format:
            acc.append("\t\t\"format\": \"{}\"".format(args.format))
        acc.append("\t\t\"source\": \"{}\"".format(args.source))
        if args.option:
            acc.append("\t\t\"option\": \"{}\"".format(args.option))
        if args.ref:
            acc.append("\t\t\"ref\": \"{}\"".format(args.ref))
        if args.error == 'y':
            acc.append("\t\t\"error\": \"true\"")
        f.write(",\n".join(acc).encode("utf-8"))
        if args.output or args.stdout or args.stderr:
            acc = []
            if args.output:
                if args.output == 'y':
                    if args.format in map_fmt_ext:
                        args.output = args.id + map_fmt_ext[args.format]
                acc.append("\t\t\t{{ \"output\": \"{}\" }}".format(args.output))
            if args.stdout:
                if args.stdout == 'y':
                    args.stdout = args.id + '.stdout'
                acc.append("\t\t\t{{ \"stdout\": \"{}\" }}".format(args.stdout))
            if args.stderr:
                if args.stderr == 'y':
                    args.stderr = args.id + '.stderr'
                acc.append("\t\t\t{{ \"stderr\": \"{}\" }}".format(args.stderr))
            f.write(",\n".encode("utf-8"))
            f.write("\t\t\"target\": [\n".encode("utf-8"))
            f.write(",\n".join(acc).encode("utf-8"))
            f.write("\n\t\t]".encode("utf-8"))
        f.write("\n\t}\n]\n".encode("utf-8"))
        f.close()

if args.cmd == 'run':
    desc_array = []
    if args.test == None:
        desc_array = collect_test_desc_from_dir(args.dir)
    else:
        desc_array = collect_test_desc_from_file(args.test)
        if len(desc_array) == 0:
            test_abort(args.test, "Can't obtain test descriptors")

    for desc in desc_array:
        if test_run(desc) == False:
            if 'error' in desc and desc['error'] == 'over':
                test_over(desc['_test-name'])
            else:
                test_abort(desc['_test-name'], "Error detected")

if args.cmd == 'update':
    desc_array = []
    if args.test == None:
        desc_array = collect_test_desc_from_dir(args.dir)
    else:
        desc_array = collect_test_desc_from_file(args.test)
        if len(desc_array) == 0:
            test_abort(args.test, "Can't obtain a test descriptors")

    for desc in desc_array:
        if test_update(desc) == False:
            if 'error' in desc and desc['error'] == 'over':
                test_over(desc['_test-name'])
            else:
                test_abort(desc['_test-name'], "Error detected")