1#
2# Copyright (c) 2015, Intel Corporation.
3#
4# SPDX-License-Identifier: GPL-2.0-only
5#
6# AUTHORS
7# Ed Bartosh <ed.bartosh@linux.intel.com>
8
9"""Test cases for wic."""
10
11import os
12import sys
13import unittest
14
15from glob import glob
16from shutil import rmtree, copy
17from functools import wraps, lru_cache
18from tempfile import NamedTemporaryFile
19
20from oeqa.selftest.case import OESelftestTestCase
21from oeqa.utils.commands import runCmd, bitbake, get_bb_var, get_bb_vars, runqemu
22
23
24@lru_cache(maxsize=32)
25def get_host_arch(recipe):
26    """A cached call to get_bb_var('HOST_ARCH', <recipe>)"""
27    return get_bb_var('HOST_ARCH', recipe)
28
29
30def only_for_arch(archs, image='core-image-minimal'):
31    """Decorator for wrapping test cases that can be run only for specific target
32    architectures. A list of compatible architectures is passed in `archs`.
33    Current architecture will be determined by parsing bitbake output for
34    `image` recipe.
35    """
36    def wrapper(func):
37        @wraps(func)
38        def wrapped_f(*args, **kwargs):
39            arch = get_host_arch(image)
40            if archs and arch not in archs:
41                raise unittest.SkipTest("Testcase arch dependency not met: %s" % arch)
42            return func(*args, **kwargs)
43        wrapped_f.__name__ = func.__name__
44        return wrapped_f
45    return wrapper
46
47
48class WicTestCase(OESelftestTestCase):
49    """Wic test class."""
50
51    image_is_ready = False
52    wicenv_cache = {}
53
54    def setUpLocal(self):
55        """This code is executed before each test method."""
56        self.resultdir = self.builddir + "/wic-tmp/"
57        super(WicTestCase, self).setUpLocal()
58
59        # Do this here instead of in setUpClass as the base setUp does some
60        # clean up which can result in the native tools built earlier in
61        # setUpClass being unavailable.
62        if not WicTestCase.image_is_ready:
63            if get_bb_var('USE_NLS') == 'yes':
64                bitbake('wic-tools')
65            else:
66                self.skipTest('wic-tools cannot be built due its (intltool|gettext)-native dependency and NLS disable')
67
68            bitbake('core-image-minimal')
69            WicTestCase.image_is_ready = True
70
71        rmtree(self.resultdir, ignore_errors=True)
72
73    def tearDownLocal(self):
74        """Remove resultdir as it may contain images."""
75        rmtree(self.resultdir, ignore_errors=True)
76        super(WicTestCase, self).tearDownLocal()
77
78    def _get_image_env_path(self, image):
79        """Generate and obtain the path to <image>.env"""
80        if image not in WicTestCase.wicenv_cache:
81            self.assertEqual(0, bitbake('%s -c do_rootfs_wicenv' % image).status)
82            bb_vars = get_bb_vars(['STAGING_DIR', 'MACHINE'], image)
83            stdir = bb_vars['STAGING_DIR']
84            machine = bb_vars['MACHINE']
85            WicTestCase.wicenv_cache[image] = os.path.join(stdir, machine, 'imgdata')
86        return WicTestCase.wicenv_cache[image]
87
88class Wic(WicTestCase):
89
90    def test_version(self):
91        """Test wic --version"""
92        runCmd('wic --version')
93
94    def test_help(self):
95        """Test wic --help and wic -h"""
96        runCmd('wic --help')
97        runCmd('wic -h')
98
99    def test_createhelp(self):
100        """Test wic create --help"""
101        runCmd('wic create --help')
102
103    def test_listhelp(self):
104        """Test wic list --help"""
105        runCmd('wic list --help')
106
107    def test_help_create(self):
108        """Test wic help create"""
109        runCmd('wic help create')
110
111    def test_help_list(self):
112        """Test wic help list"""
113        runCmd('wic help list')
114
115    def test_help_overview(self):
116        """Test wic help overview"""
117        runCmd('wic help overview')
118
119    def test_help_plugins(self):
120        """Test wic help plugins"""
121        runCmd('wic help plugins')
122
123    def test_help_kickstart(self):
124        """Test wic help kickstart"""
125        runCmd('wic help kickstart')
126
127    def test_list_images(self):
128        """Test wic list images"""
129        runCmd('wic list images')
130
131    def test_list_source_plugins(self):
132        """Test wic list source-plugins"""
133        runCmd('wic list source-plugins')
134
135    def test_listed_images_help(self):
136        """Test wic listed images help"""
137        output = runCmd('wic list images').output
138        imagelist = [line.split()[0] for line in output.splitlines()]
139        for image in imagelist:
140            runCmd('wic list %s help' % image)
141
142    def test_unsupported_subcommand(self):
143        """Test unsupported subcommand"""
144        self.assertNotEqual(0, runCmd('wic unsupported', ignore_status=True).status)
145
146    def test_no_command(self):
147        """Test wic without command"""
148        self.assertEqual(1, runCmd('wic', ignore_status=True).status)
149
150    def test_build_image_name(self):
151        """Test wic create wictestdisk --image-name=core-image-minimal"""
152        cmd = "wic create wictestdisk --image-name=core-image-minimal -o %s" % self.resultdir
153        runCmd(cmd)
154        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct")))
155
156    @only_for_arch(['i586', 'i686', 'x86_64'])
157    def test_gpt_image(self):
158        """Test creation of core-image-minimal with gpt table and UUID boot"""
159        cmd = "wic create directdisk-gpt --image-name core-image-minimal -o %s" % self.resultdir
160        runCmd(cmd)
161        self.assertEqual(1, len(glob(self.resultdir + "directdisk-*.direct")))
162
163    @only_for_arch(['i586', 'i686', 'x86_64'])
164    def test_iso_image(self):
165        """Test creation of hybrid iso image with legacy and EFI boot"""
166        config = 'INITRAMFS_IMAGE = "core-image-minimal-initramfs"\n'\
167                 'MACHINE_FEATURES_append = " efi"\n'\
168                 'DEPENDS_pn-core-image-minimal += "syslinux"\n'
169        self.append_config(config)
170        bitbake('core-image-minimal core-image-minimal-initramfs')
171        self.remove_config(config)
172        cmd = "wic create mkhybridiso --image-name core-image-minimal -o %s" % self.resultdir
173        runCmd(cmd)
174        self.assertEqual(1, len(glob(self.resultdir + "HYBRID_ISO_IMG-*.direct")))
175        self.assertEqual(1, len(glob(self.resultdir + "HYBRID_ISO_IMG-*.iso")))
176
177    @only_for_arch(['i586', 'i686', 'x86_64'])
178    def test_qemux86_directdisk(self):
179        """Test creation of qemux-86-directdisk image"""
180        cmd = "wic create qemux86-directdisk -e core-image-minimal -o %s" % self.resultdir
181        runCmd(cmd)
182        self.assertEqual(1, len(glob(self.resultdir + "qemux86-directdisk-*direct")))
183
184    @only_for_arch(['i586', 'i686', 'x86_64'])
185    def test_mkefidisk(self):
186        """Test creation of mkefidisk image"""
187        cmd = "wic create mkefidisk -e core-image-minimal -o %s" % self.resultdir
188        runCmd(cmd)
189        self.assertEqual(1, len(glob(self.resultdir + "mkefidisk-*direct")))
190
191    @only_for_arch(['i586', 'i686', 'x86_64'])
192    def test_bootloader_config(self):
193        """Test creation of directdisk-bootloader-config image"""
194        config = 'DEPENDS_pn-core-image-minimal += "syslinux"\n'
195        self.append_config(config)
196        bitbake('core-image-minimal')
197        self.remove_config(config)
198        cmd = "wic create directdisk-bootloader-config -e core-image-minimal -o %s" % self.resultdir
199        runCmd(cmd)
200        self.assertEqual(1, len(glob(self.resultdir + "directdisk-bootloader-config-*direct")))
201
202    @only_for_arch(['i586', 'i686', 'x86_64'])
203    def test_systemd_bootdisk(self):
204        """Test creation of systemd-bootdisk image"""
205        config = 'MACHINE_FEATURES_append = " efi"\n'
206        self.append_config(config)
207        bitbake('core-image-minimal')
208        self.remove_config(config)
209        cmd = "wic create systemd-bootdisk -e core-image-minimal -o %s" % self.resultdir
210        runCmd(cmd)
211        self.assertEqual(1, len(glob(self.resultdir + "systemd-bootdisk-*direct")))
212
213    def test_sdimage_bootpart(self):
214        """Test creation of sdimage-bootpart image"""
215        cmd = "wic create sdimage-bootpart -e core-image-minimal -o %s" % self.resultdir
216        kimgtype = get_bb_var('KERNEL_IMAGETYPE', 'core-image-minimal')
217        self.write_config('IMAGE_BOOT_FILES = "%s"\n' % kimgtype)
218        runCmd(cmd)
219        self.assertEqual(1, len(glob(self.resultdir + "sdimage-bootpart-*direct")))
220
221    @only_for_arch(['i586', 'i686', 'x86_64'])
222    def test_default_output_dir(self):
223        """Test default output location"""
224        for fname in glob("directdisk-*.direct"):
225            os.remove(fname)
226        config = 'DEPENDS_pn-core-image-minimal += "syslinux"\n'
227        self.append_config(config)
228        bitbake('core-image-minimal')
229        self.remove_config(config)
230        cmd = "wic create directdisk -e core-image-minimal"
231        runCmd(cmd)
232        self.assertEqual(1, len(glob("directdisk-*.direct")))
233
234    @only_for_arch(['i586', 'i686', 'x86_64'])
235    def test_build_artifacts(self):
236        """Test wic create directdisk providing all artifacts."""
237        bb_vars = get_bb_vars(['STAGING_DATADIR', 'RECIPE_SYSROOT_NATIVE'],
238                              'wic-tools')
239        bb_vars.update(get_bb_vars(['DEPLOY_DIR_IMAGE', 'IMAGE_ROOTFS'],
240                                   'core-image-minimal'))
241        bbvars = {key.lower(): value for key, value in bb_vars.items()}
242        bbvars['resultdir'] = self.resultdir
243        runCmd("wic create directdisk "
244                        "-b %(staging_datadir)s "
245                        "-k %(deploy_dir_image)s "
246                        "-n %(recipe_sysroot_native)s "
247                        "-r %(image_rootfs)s "
248                        "-o %(resultdir)s" % bbvars)
249        self.assertEqual(1, len(glob(self.resultdir + "directdisk-*.direct")))
250
251    def test_compress_gzip(self):
252        """Test compressing an image with gzip"""
253        runCmd("wic create wictestdisk "
254                                   "--image-name core-image-minimal "
255                                   "-c gzip -o %s" % self.resultdir)
256        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct.gz")))
257
258    def test_compress_bzip2(self):
259        """Test compressing an image with bzip2"""
260        runCmd("wic create wictestdisk "
261                                   "--image-name=core-image-minimal "
262                                   "-c bzip2 -o %s" % self.resultdir)
263        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct.bz2")))
264
265    def test_compress_xz(self):
266        """Test compressing an image with xz"""
267        runCmd("wic create wictestdisk "
268                                   "--image-name=core-image-minimal "
269                                   "--compress-with=xz -o %s" % self.resultdir)
270        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct.xz")))
271
272    def test_wrong_compressor(self):
273        """Test how wic breaks if wrong compressor is provided"""
274        self.assertEqual(2, runCmd("wic create wictestdisk "
275                                   "--image-name=core-image-minimal "
276                                   "-c wrong -o %s" % self.resultdir,
277                                   ignore_status=True).status)
278
279    def test_debug_short(self):
280        """Test -D option"""
281        runCmd("wic create wictestdisk "
282                                   "--image-name=core-image-minimal "
283                                   "-D -o %s" % self.resultdir)
284        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct")))
285
286    def test_debug_long(self):
287        """Test --debug option"""
288        runCmd("wic create wictestdisk "
289                                   "--image-name=core-image-minimal "
290                                   "--debug -o %s" % self.resultdir)
291        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct")))
292
293    def test_skip_build_check_short(self):
294        """Test -s option"""
295        runCmd("wic create wictestdisk "
296                                   "--image-name=core-image-minimal "
297                                   "-s -o %s" % self.resultdir)
298        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct")))
299
300    def test_skip_build_check_long(self):
301        """Test --skip-build-check option"""
302        runCmd("wic create wictestdisk "
303                                   "--image-name=core-image-minimal "
304                                   "--skip-build-check "
305                                   "--outdir %s" % self.resultdir)
306        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct")))
307
308    def test_build_rootfs_short(self):
309        """Test -f option"""
310        runCmd("wic create wictestdisk "
311                                   "--image-name=core-image-minimal "
312                                   "-f -o %s" % self.resultdir)
313        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct")))
314
315    def test_build_rootfs_long(self):
316        """Test --build-rootfs option"""
317        runCmd("wic create wictestdisk "
318                                   "--image-name=core-image-minimal "
319                                   "--build-rootfs "
320                                   "--outdir %s" % self.resultdir)
321        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*.direct")))
322
323    @only_for_arch(['i586', 'i686', 'x86_64'])
324    def test_rootfs_indirect_recipes(self):
325        """Test usage of rootfs plugin with rootfs recipes"""
326        runCmd("wic create directdisk-multi-rootfs "
327                        "--image-name=core-image-minimal "
328                        "--rootfs rootfs1=core-image-minimal "
329                        "--rootfs rootfs2=core-image-minimal "
330                        "--outdir %s" % self.resultdir)
331        self.assertEqual(1, len(glob(self.resultdir + "directdisk-multi-rootfs*.direct")))
332
333    @only_for_arch(['i586', 'i686', 'x86_64'])
334    def test_rootfs_artifacts(self):
335        """Test usage of rootfs plugin with rootfs paths"""
336        bb_vars = get_bb_vars(['STAGING_DATADIR', 'RECIPE_SYSROOT_NATIVE'],
337                              'wic-tools')
338        bb_vars.update(get_bb_vars(['DEPLOY_DIR_IMAGE', 'IMAGE_ROOTFS'],
339                                   'core-image-minimal'))
340        bbvars = {key.lower(): value for key, value in bb_vars.items()}
341        bbvars['wks'] = "directdisk-multi-rootfs"
342        bbvars['resultdir'] = self.resultdir
343        runCmd("wic create %(wks)s "
344                        "--bootimg-dir=%(staging_datadir)s "
345                        "--kernel-dir=%(deploy_dir_image)s "
346                        "--native-sysroot=%(recipe_sysroot_native)s "
347                        "--rootfs-dir rootfs1=%(image_rootfs)s "
348                        "--rootfs-dir rootfs2=%(image_rootfs)s "
349                        "--outdir %(resultdir)s" % bbvars)
350        self.assertEqual(1, len(glob(self.resultdir + "%(wks)s-*.direct" % bbvars)))
351
352    def test_exclude_path(self):
353        """Test --exclude-path wks option."""
354
355        oldpath = os.environ['PATH']
356        os.environ['PATH'] = get_bb_var("PATH", "wic-tools")
357
358        try:
359            wks_file = 'temp.wks'
360            with open(wks_file, 'w') as wks:
361                rootfs_dir = get_bb_var('IMAGE_ROOTFS', 'core-image-minimal')
362                wks.write("""
363part / --source rootfs --ondisk mmcblk0 --fstype=ext4 --exclude-path usr
364part /usr --source rootfs --ondisk mmcblk0 --fstype=ext4 --rootfs-dir %s/usr
365part /etc --source rootfs --ondisk mmcblk0 --fstype=ext4 --exclude-path bin/ --rootfs-dir %s/usr"""
366                          % (rootfs_dir, rootfs_dir))
367            runCmd("wic create %s -e core-image-minimal -o %s" \
368                                       % (wks_file, self.resultdir))
369
370            os.remove(wks_file)
371            wicout = glob(self.resultdir + "%s-*direct" % 'temp')
372            self.assertEqual(1, len(wicout))
373
374            wicimg = wicout[0]
375
376            # verify partition size with wic
377            res = runCmd("parted -m %s unit b p 2>/dev/null" % wicimg)
378
379            # parse parted output which looks like this:
380            # BYT;\n
381            # /var/tmp/wic/build/tmpfwvjjkf_-201611101222-hda.direct:200MiB:file:512:512:msdos::;\n
382            # 1:0.00MiB:200MiB:200MiB:ext4::;\n
383            partlns = res.output.splitlines()[2:]
384
385            self.assertEqual(3, len(partlns))
386
387            for part in [1, 2, 3]:
388                part_file = os.path.join(self.resultdir, "selftest_img.part%d" % part)
389                partln = partlns[part-1].split(":")
390                self.assertEqual(7, len(partln))
391                start = int(partln[1].rstrip("B")) / 512
392                length = int(partln[3].rstrip("B")) / 512
393                runCmd("dd if=%s of=%s skip=%d count=%d" %
394                                           (wicimg, part_file, start, length))
395
396            def extract_files(debugfs_output):
397                """
398                extract file names from the output of debugfs -R 'ls -p',
399                which looks like this:
400
401                 /2/040755/0/0/.//\n
402                 /2/040755/0/0/..//\n
403                 /11/040700/0/0/lost+found^M//\n
404                 /12/040755/1002/1002/run//\n
405                 /13/040755/1002/1002/sys//\n
406                 /14/040755/1002/1002/bin//\n
407                 /80/040755/1002/1002/var//\n
408                 /92/040755/1002/1002/tmp//\n
409                """
410                # NOTE the occasional ^M in file names
411                return [line.split('/')[5].strip() for line in \
412                        debugfs_output.strip().split('/\n')]
413
414            # Test partition 1, should contain the normal root directories, except
415            # /usr.
416            res = runCmd("debugfs -R 'ls -p' %s 2>/dev/null" % \
417                             os.path.join(self.resultdir, "selftest_img.part1"))
418            files = extract_files(res.output)
419            self.assertIn("etc", files)
420            self.assertNotIn("usr", files)
421
422            # Partition 2, should contain common directories for /usr, not root
423            # directories.
424            res = runCmd("debugfs -R 'ls -p' %s 2>/dev/null" % \
425                             os.path.join(self.resultdir, "selftest_img.part2"))
426            files = extract_files(res.output)
427            self.assertNotIn("etc", files)
428            self.assertNotIn("usr", files)
429            self.assertIn("share", files)
430
431            # Partition 3, should contain the same as partition 2, including the bin
432            # directory, but not the files inside it.
433            res = runCmd("debugfs -R 'ls -p' %s 2>/dev/null" % \
434                             os.path.join(self.resultdir, "selftest_img.part3"))
435            files = extract_files(res.output)
436            self.assertNotIn("etc", files)
437            self.assertNotIn("usr", files)
438            self.assertIn("share", files)
439            self.assertIn("bin", files)
440            res = runCmd("debugfs -R 'ls -p bin' %s 2>/dev/null" % \
441                             os.path.join(self.resultdir, "selftest_img.part3"))
442            files = extract_files(res.output)
443            self.assertIn(".", files)
444            self.assertIn("..", files)
445            self.assertEqual(2, len(files))
446
447            for part in [1, 2, 3]:
448                part_file = os.path.join(self.resultdir, "selftest_img.part%d" % part)
449                os.remove(part_file)
450
451        finally:
452            os.environ['PATH'] = oldpath
453
454    def test_exclude_path_errors(self):
455        """Test --exclude-path wks option error handling."""
456        wks_file = 'temp.wks'
457
458        # Absolute argument.
459        with open(wks_file, 'w') as wks:
460            wks.write("part / --source rootfs --ondisk mmcblk0 --fstype=ext4 --exclude-path /usr")
461        self.assertNotEqual(0, runCmd("wic create %s -e core-image-minimal -o %s" \
462                                      % (wks_file, self.resultdir), ignore_status=True).status)
463        os.remove(wks_file)
464
465        # Argument pointing to parent directory.
466        with open(wks_file, 'w') as wks:
467            wks.write("part / --source rootfs --ondisk mmcblk0 --fstype=ext4 --exclude-path ././..")
468        self.assertNotEqual(0, runCmd("wic create %s -e core-image-minimal -o %s" \
469                                      % (wks_file, self.resultdir), ignore_status=True).status)
470        os.remove(wks_file)
471
472class Wic2(WicTestCase):
473
474    def test_bmap_short(self):
475        """Test generation of .bmap file -m option"""
476        cmd = "wic create wictestdisk -e core-image-minimal -m -o %s" % self.resultdir
477        runCmd(cmd)
478        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*direct")))
479        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*direct.bmap")))
480
481    def test_bmap_long(self):
482        """Test generation of .bmap file --bmap option"""
483        cmd = "wic create wictestdisk -e core-image-minimal --bmap -o %s" % self.resultdir
484        runCmd(cmd)
485        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*direct")))
486        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*direct.bmap")))
487
488    def test_image_env(self):
489        """Test generation of <image>.env files."""
490        image = 'core-image-minimal'
491        imgdatadir = self._get_image_env_path(image)
492
493        bb_vars = get_bb_vars(['IMAGE_BASENAME', 'WICVARS'], image)
494        basename = bb_vars['IMAGE_BASENAME']
495        self.assertEqual(basename, image)
496        path = os.path.join(imgdatadir, basename) + '.env'
497        self.assertTrue(os.path.isfile(path))
498
499        wicvars = set(bb_vars['WICVARS'].split())
500        # filter out optional variables
501        wicvars = wicvars.difference(('DEPLOY_DIR_IMAGE', 'IMAGE_BOOT_FILES',
502                                      'INITRD', 'INITRD_LIVE', 'ISODIR','INITRAMFS_IMAGE',
503                                      'INITRAMFS_IMAGE_BUNDLE', 'INITRAMFS_LINK_NAME'))
504        with open(path) as envfile:
505            content = dict(line.split("=", 1) for line in envfile)
506            # test if variables used by wic present in the .env file
507            for var in wicvars:
508                self.assertTrue(var in content, "%s is not in .env file" % var)
509                self.assertTrue(content[var])
510
511    def test_image_vars_dir_short(self):
512        """Test image vars directory selection -v option"""
513        image = 'core-image-minimal'
514        imgenvdir = self._get_image_env_path(image)
515        native_sysroot = get_bb_var("RECIPE_SYSROOT_NATIVE", "wic-tools")
516
517        runCmd("wic create wictestdisk "
518                                   "--image-name=%s -v %s -n %s -o %s"
519                                   % (image, imgenvdir, native_sysroot,
520                                      self.resultdir))
521        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*direct")))
522
523    def test_image_vars_dir_long(self):
524        """Test image vars directory selection --vars option"""
525        image = 'core-image-minimal'
526        imgenvdir = self._get_image_env_path(image)
527        native_sysroot = get_bb_var("RECIPE_SYSROOT_NATIVE", "wic-tools")
528
529        runCmd("wic create wictestdisk "
530                                   "--image-name=%s "
531                                   "--vars %s "
532                                   "--native-sysroot %s "
533                                   "--outdir %s"
534                                   % (image, imgenvdir, native_sysroot,
535                                      self.resultdir))
536        self.assertEqual(1, len(glob(self.resultdir + "wictestdisk-*direct")))
537
538    @only_for_arch(['i586', 'i686', 'x86_64'])
539    def test_wic_image_type(self):
540        """Test building wic images by bitbake"""
541        config = 'IMAGE_FSTYPES += "wic"\nWKS_FILE = "wic-image-minimal"\n'\
542                 'MACHINE_FEATURES_append = " efi"\n'
543        self.append_config(config)
544        self.assertEqual(0, bitbake('wic-image-minimal').status)
545        self.remove_config(config)
546
547        bb_vars = get_bb_vars(['DEPLOY_DIR_IMAGE', 'MACHINE'])
548        deploy_dir = bb_vars['DEPLOY_DIR_IMAGE']
549        machine = bb_vars['MACHINE']
550        prefix = os.path.join(deploy_dir, 'wic-image-minimal-%s.' % machine)
551        # check if we have result image and manifests symlinks
552        # pointing to existing files
553        for suffix in ('wic', 'manifest'):
554            path = prefix + suffix
555            self.assertTrue(os.path.islink(path))
556            self.assertTrue(os.path.isfile(os.path.realpath(path)))
557
558    @only_for_arch(['i586', 'i686', 'x86_64'])
559    def test_qemu(self):
560        """Test wic-image-minimal under qemu"""
561        config = 'IMAGE_FSTYPES += "wic"\nWKS_FILE = "wic-image-minimal"\n'\
562                 'MACHINE_FEATURES_append = " efi"\n'
563        self.append_config(config)
564        self.assertEqual(0, bitbake('wic-image-minimal').status)
565        self.remove_config(config)
566
567        with runqemu('wic-image-minimal', ssh=False) as qemu:
568            cmd = "mount | grep '^/dev/' | cut -f1,3 -d ' ' | egrep -c -e '/dev/sda1 /boot' " \
569                  "-e '/dev/root /|/dev/sda2 /' -e '/dev/sda3 /media' -e '/dev/sda4 /mnt'"
570            status, output = qemu.run_serial(cmd)
571            self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
572            self.assertEqual(output, '4')
573            cmd = "grep UUID= /etc/fstab"
574            status, output = qemu.run_serial(cmd)
575            self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
576            self.assertEqual(output, 'UUID=2c71ef06-a81d-4735-9d3a-379b69c6bdba\t/media\text4\tdefaults\t0\t0')
577
578    @only_for_arch(['i586', 'i686', 'x86_64'])
579    def test_qemu_efi(self):
580        """Test core-image-minimal efi image under qemu"""
581        config = 'IMAGE_FSTYPES = "wic"\nWKS_FILE = "mkefidisk.wks"\n'
582        self.append_config(config)
583        self.assertEqual(0, bitbake('core-image-minimal ovmf').status)
584        self.remove_config(config)
585
586        with runqemu('core-image-minimal', ssh=False,
587                     runqemuparams='ovmf', image_fstype='wic') as qemu:
588            cmd = "grep sda. /proc/partitions  |wc -l"
589            status, output = qemu.run_serial(cmd)
590            self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
591            self.assertEqual(output, '3')
592
593    @staticmethod
594    def _make_fixed_size_wks(size):
595        """
596        Create a wks of an image with a single partition. Size of the partition is set
597        using --fixed-size flag. Returns a tuple: (path to wks file, wks image name)
598        """
599        with NamedTemporaryFile("w", suffix=".wks", delete=False) as tempf:
600            wkspath = tempf.name
601            tempf.write("part " \
602                     "--source rootfs --ondisk hda --align 4 --fixed-size %d "
603                     "--fstype=ext4\n" % size)
604        wksname = os.path.splitext(os.path.basename(wkspath))[0]
605
606        return wkspath, wksname
607
608    def test_fixed_size(self):
609        """
610        Test creation of a simple image with partition size controlled through
611        --fixed-size flag
612        """
613        wkspath, wksname = Wic2._make_fixed_size_wks(200)
614
615        runCmd("wic create %s -e core-image-minimal -o %s" \
616                                   % (wkspath, self.resultdir))
617        os.remove(wkspath)
618        wicout = glob(self.resultdir + "%s-*direct" % wksname)
619        self.assertEqual(1, len(wicout))
620
621        wicimg = wicout[0]
622
623        native_sysroot = get_bb_var("RECIPE_SYSROOT_NATIVE", "wic-tools")
624
625        # verify partition size with wic
626        res = runCmd("parted -m %s unit mib p 2>/dev/null" % wicimg,
627                     native_sysroot=native_sysroot)
628
629        # parse parted output which looks like this:
630        # BYT;\n
631        # /var/tmp/wic/build/tmpfwvjjkf_-201611101222-hda.direct:200MiB:file:512:512:msdos::;\n
632        # 1:0.00MiB:200MiB:200MiB:ext4::;\n
633        partlns = res.output.splitlines()[2:]
634
635        self.assertEqual(1, len(partlns),
636                         msg="Partition list '%s'" % res.output)
637        self.assertEqual("1:0.00MiB:200MiB:200MiB:ext4::;", partlns[0],
638                         msg="Partition list '%s'" % res.output)
639
640    def test_fixed_size_error(self):
641        """
642        Test creation of a simple image with partition size controlled through
643        --fixed-size flag. The size of partition is intentionally set to 1MiB
644        in order to trigger an error in wic.
645        """
646        wkspath, wksname = Wic2._make_fixed_size_wks(1)
647
648        self.assertEqual(1, runCmd("wic create %s -e core-image-minimal -o %s" \
649                                   % (wkspath, self.resultdir), ignore_status=True).status)
650        os.remove(wkspath)
651        wicout = glob(self.resultdir + "%s-*direct" % wksname)
652        self.assertEqual(0, len(wicout))
653
654    @only_for_arch(['i586', 'i686', 'x86_64'])
655    def test_rawcopy_plugin_qemu(self):
656        """Test rawcopy plugin in qemu"""
657        # build ext4 and wic images
658        for fstype in ("ext4", "wic"):
659            config = 'IMAGE_FSTYPES = "%s"\nWKS_FILE = "test_rawcopy_plugin.wks.in"\n' % fstype
660            self.append_config(config)
661            self.assertEqual(0, bitbake('core-image-minimal').status)
662            self.remove_config(config)
663
664        with runqemu('core-image-minimal', ssh=False, image_fstype='wic') as qemu:
665            cmd = "grep sda. /proc/partitions  |wc -l"
666            status, output = qemu.run_serial(cmd)
667            self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
668            self.assertEqual(output, '2')
669
670    def test_rawcopy_plugin(self):
671        """Test rawcopy plugin"""
672        img = 'core-image-minimal'
673        machine = get_bb_var('MACHINE', img)
674        with NamedTemporaryFile("w", suffix=".wks") as wks:
675            wks.writelines(['part /boot --active --source bootimg-pcbios\n',
676                            'part / --source rawcopy --sourceparams="file=%s-%s.ext4" --use-uuid\n'\
677                             % (img, machine),
678                            'bootloader --timeout=0 --append="console=ttyS0,115200n8"\n'])
679            wks.flush()
680            cmd = "wic create %s -e %s -o %s" % (wks.name, img, self.resultdir)
681            runCmd(cmd)
682            wksname = os.path.splitext(os.path.basename(wks.name))[0]
683            out = glob(self.resultdir + "%s-*direct" % wksname)
684            self.assertEqual(1, len(out))
685
686    @only_for_arch(['i586', 'i686', 'x86_64'])
687    def test_biosplusefi_plugin_qemu(self):
688        """Test biosplusefi plugin in qemu"""
689        config = 'IMAGE_FSTYPES = "wic"\nWKS_FILE = "test_biosplusefi_plugin.wks"\nMACHINE_FEATURES_append = " efi"\n'
690        self.append_config(config)
691        self.assertEqual(0, bitbake('core-image-minimal').status)
692        self.remove_config(config)
693
694        with runqemu('core-image-minimal', ssh=False, image_fstype='wic') as qemu:
695            # Check that we have ONLY two /dev/sda* partitions (/boot and /)
696            cmd = "grep sda. /proc/partitions | wc -l"
697            status, output = qemu.run_serial(cmd)
698            self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
699            self.assertEqual(output, '2')
700            # Check that /dev/sda1 is /boot and that either /dev/root OR /dev/sda2 is /
701            cmd = "mount | grep '^/dev/' | cut -f1,3 -d ' ' | egrep -c -e '/dev/sda1 /boot' -e '/dev/root /|/dev/sda2 /'"
702            status, output = qemu.run_serial(cmd)
703            self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
704            self.assertEqual(output, '2')
705            # Check that /boot has EFI bootx64.efi (required for EFI)
706            cmd = "ls /boot/EFI/BOOT/bootx64.efi | wc -l"
707            status, output = qemu.run_serial(cmd)
708            self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
709            self.assertEqual(output, '1')
710            # Check that "BOOTABLE" flag is set on boot partition (required for PC-Bios)
711            # Trailing "cat" seems to be required; otherwise run_serial() sends back echo of the input command
712            cmd = "fdisk -l /dev/sda | grep /dev/sda1 | awk {print'$2'} | cat"
713            status, output = qemu.run_serial(cmd)
714            self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
715            self.assertEqual(output, '*')
716
717    @only_for_arch(['i586', 'i686', 'x86_64'])
718    def test_biosplusefi_plugin(self):
719        """Test biosplusefi plugin"""
720        # Wic generation below may fail depending on the order of the unittests
721        # This is because bootimg-pcbios (that bootimg-biosplusefi uses) generate its MBR inside STAGING_DATADIR directory
722        #    which may or may not exists depending on what was built already
723        # If an image hasn't been built yet, directory ${STAGING_DATADIR}/syslinux won't exists and _get_bootimg_dir()
724        #   will raise with "Couldn't find correct bootimg_dir"
725        # The easiest way to work-around this issue is to make sure we already built an image here, hence the bitbake call
726        config = 'IMAGE_FSTYPES = "wic"\nWKS_FILE = "test_biosplusefi_plugin.wks"\nMACHINE_FEATURES_append = " efi"\n'
727        self.append_config(config)
728        self.assertEqual(0, bitbake('core-image-minimal').status)
729        self.remove_config(config)
730
731        img = 'core-image-minimal'
732        with NamedTemporaryFile("w", suffix=".wks") as wks:
733            wks.writelines(['part /boot --active --source bootimg-biosplusefi --sourceparams="loader=grub-efi"\n',
734                            'part / --source rootfs --fstype=ext4 --align 1024 --use-uuid\n'\
735                            'bootloader --timeout=0 --append="console=ttyS0,115200n8"\n'])
736            wks.flush()
737            cmd = "wic create %s -e %s -o %s" % (wks.name, img, self.resultdir)
738            runCmd(cmd)
739            wksname = os.path.splitext(os.path.basename(wks.name))[0]
740            out = glob(self.resultdir + "%s-*.direct" % wksname)
741            self.assertEqual(1, len(out))
742
743    def test_fs_types(self):
744        """Test filesystem types for empty and not empty partitions"""
745        img = 'core-image-minimal'
746        with NamedTemporaryFile("w", suffix=".wks") as wks:
747            wks.writelines(['part ext2   --fstype ext2     --source rootfs\n',
748                            'part btrfs  --fstype btrfs    --source rootfs --size 40M\n',
749                            'part squash --fstype squashfs --source rootfs\n',
750                            'part swap   --fstype swap --size 1M\n',
751                            'part emptyvfat   --fstype vfat   --size 1M\n',
752                            'part emptymsdos  --fstype msdos  --size 1M\n',
753                            'part emptyext2   --fstype ext2   --size 1M\n',
754                            'part emptybtrfs  --fstype btrfs  --size 150M\n'])
755            wks.flush()
756            cmd = "wic create %s -e %s -o %s" % (wks.name, img, self.resultdir)
757            runCmd(cmd)
758            wksname = os.path.splitext(os.path.basename(wks.name))[0]
759            out = glob(self.resultdir + "%s-*direct" % wksname)
760            self.assertEqual(1, len(out))
761
762    def test_kickstart_parser(self):
763        """Test wks parser options"""
764        with NamedTemporaryFile("w", suffix=".wks") as wks:
765            wks.writelines(['part / --fstype ext3 --source rootfs --system-id 0xFF '\
766                            '--overhead-factor 1.2 --size 100k\n'])
767            wks.flush()
768            cmd = "wic create %s -e core-image-minimal -o %s" % (wks.name, self.resultdir)
769            runCmd(cmd)
770            wksname = os.path.splitext(os.path.basename(wks.name))[0]
771            out = glob(self.resultdir + "%s-*direct" % wksname)
772            self.assertEqual(1, len(out))
773
774    def test_image_bootpart_globbed(self):
775        """Test globbed sources with image-bootpart plugin"""
776        img = "core-image-minimal"
777        cmd = "wic create sdimage-bootpart -e %s -o %s" % (img, self.resultdir)
778        config = 'IMAGE_BOOT_FILES = "%s*"' % get_bb_var('KERNEL_IMAGETYPE', img)
779        self.append_config(config)
780        runCmd(cmd)
781        self.remove_config(config)
782        self.assertEqual(1, len(glob(self.resultdir + "sdimage-bootpart-*direct")))
783
784    def test_sparse_copy(self):
785        """Test sparse_copy with FIEMAP and SEEK_HOLE filemap APIs"""
786        libpath = os.path.join(get_bb_var('COREBASE'), 'scripts', 'lib', 'wic')
787        sys.path.insert(0, libpath)
788        from  filemap import FilemapFiemap, FilemapSeek, sparse_copy, ErrorNotSupp
789        with NamedTemporaryFile("w", suffix=".wic-sparse") as sparse:
790            src_name = sparse.name
791            src_size = 1024 * 10
792            sparse.truncate(src_size)
793            # write one byte to the file
794            with open(src_name, 'r+b') as sfile:
795                sfile.seek(1024 * 4)
796                sfile.write(b'\x00')
797            dest = sparse.name + '.out'
798            # copy src file to dest using different filemap APIs
799            for api in (FilemapFiemap, FilemapSeek, None):
800                if os.path.exists(dest):
801                    os.unlink(dest)
802                try:
803                    sparse_copy(sparse.name, dest, api=api)
804                except ErrorNotSupp:
805                    continue # skip unsupported API
806                dest_stat = os.stat(dest)
807                self.assertEqual(dest_stat.st_size, src_size)
808                # 8 blocks is 4K (physical sector size)
809                self.assertEqual(dest_stat.st_blocks, 8)
810            os.unlink(dest)
811
812    def test_wic_ls(self):
813        """Test listing image content using 'wic ls'"""
814        runCmd("wic create wictestdisk "
815                                   "--image-name=core-image-minimal "
816                                   "-D -o %s" % self.resultdir)
817        images = glob(self.resultdir + "wictestdisk-*.direct")
818        self.assertEqual(1, len(images))
819
820        sysroot = get_bb_var('RECIPE_SYSROOT_NATIVE', 'wic-tools')
821
822        # list partitions
823        result = runCmd("wic ls %s -n %s" % (images[0], sysroot))
824        self.assertEqual(3, len(result.output.split('\n')))
825
826        # list directory content of the first partition
827        result = runCmd("wic ls %s:1/ -n %s" % (images[0], sysroot))
828        self.assertEqual(6, len(result.output.split('\n')))
829
830    def test_wic_cp(self):
831        """Test copy files and directories to the the wic image."""
832        runCmd("wic create wictestdisk "
833                                   "--image-name=core-image-minimal "
834                                   "-D -o %s" % self.resultdir)
835        images = glob(self.resultdir + "wictestdisk-*.direct")
836        self.assertEqual(1, len(images))
837
838        sysroot = get_bb_var('RECIPE_SYSROOT_NATIVE', 'wic-tools')
839
840        # list directory content of the first partition
841        result = runCmd("wic ls %s:1/ -n %s" % (images[0], sysroot))
842        self.assertEqual(6, len(result.output.split('\n')))
843
844        with NamedTemporaryFile("w", suffix=".wic-cp") as testfile:
845            testfile.write("test")
846
847            # copy file to the partition
848            runCmd("wic cp %s %s:1/ -n %s" % (testfile.name, images[0], sysroot))
849
850            # check if file is there
851            result = runCmd("wic ls %s:1/ -n %s" % (images[0], sysroot))
852            self.assertEqual(7, len(result.output.split('\n')))
853            self.assertTrue(os.path.basename(testfile.name) in result.output)
854
855            # prepare directory
856            testdir = os.path.join(self.resultdir, 'wic-test-cp-dir')
857            testsubdir = os.path.join(testdir, 'subdir')
858            os.makedirs(os.path.join(testsubdir))
859            copy(testfile.name, testdir)
860
861            # copy directory to the partition
862            runCmd("wic cp %s %s:1/ -n %s" % (testdir, images[0], sysroot))
863
864            # check if directory is there
865            result = runCmd("wic ls %s:1/ -n %s" % (images[0], sysroot))
866            self.assertEqual(8, len(result.output.split('\n')))
867            self.assertTrue(os.path.basename(testdir) in result.output)
868
869    def test_wic_rm(self):
870        """Test removing files and directories from the the wic image."""
871        runCmd("wic create mkefidisk "
872                                   "--image-name=core-image-minimal "
873                                   "-D -o %s" % self.resultdir)
874        images = glob(self.resultdir + "mkefidisk-*.direct")
875        self.assertEqual(1, len(images))
876
877        sysroot = get_bb_var('RECIPE_SYSROOT_NATIVE', 'wic-tools')
878
879        # list directory content of the first partition
880        result = runCmd("wic ls %s:1 -n %s" % (images[0], sysroot))
881        self.assertIn('\nBZIMAGE        ', result.output)
882        self.assertIn('\nEFI          <DIR>     ', result.output)
883
884        # remove file
885        runCmd("wic rm %s:1/bzimage -n %s" % (images[0], sysroot))
886
887        # remove directory
888        runCmd("wic rm %s:1/efi -n %s" % (images[0], sysroot))
889
890        # check if they're removed
891        result = runCmd("wic ls %s:1 -n %s" % (images[0], sysroot))
892        self.assertNotIn('\nBZIMAGE        ', result.output)
893        self.assertNotIn('\nEFI          <DIR>     ', result.output)
894
895    def test_mkfs_extraopts(self):
896        """Test wks option --mkfs-extraopts for empty and not empty partitions"""
897        img = 'core-image-minimal'
898        with NamedTemporaryFile("w", suffix=".wks") as wks:
899            wks.writelines(
900                ['part ext2   --fstype ext2     --source rootfs --mkfs-extraopts "-D -F -i 8192"\n',
901                 "part btrfs  --fstype btrfs    --source rootfs --size 40M --mkfs-extraopts='--quiet'\n",
902                 'part squash --fstype squashfs --source rootfs --mkfs-extraopts "-no-sparse -b 4096"\n',
903                 'part emptyvfat   --fstype vfat   --size 1M --mkfs-extraopts "-S 1024 -s 64"\n',
904                 'part emptymsdos  --fstype msdos  --size 1M --mkfs-extraopts "-S 1024 -s 64"\n',
905                 'part emptyext2   --fstype ext2   --size 1M --mkfs-extraopts "-D -F -i 8192"\n',
906                 'part emptybtrfs  --fstype btrfs  --size 100M --mkfs-extraopts "--mixed -K"\n'])
907            wks.flush()
908            cmd = "wic create %s -e %s -o %s" % (wks.name, img, self.resultdir)
909            runCmd(cmd)
910            wksname = os.path.splitext(os.path.basename(wks.name))[0]
911            out = glob(self.resultdir + "%s-*direct" % wksname)
912            self.assertEqual(1, len(out))
913
914    def test_expand_mbr_image(self):
915        """Test wic write --expand command for mbr image"""
916        # build an image
917        config = 'IMAGE_FSTYPES = "wic"\nWKS_FILE = "directdisk.wks"\n'
918        self.append_config(config)
919        self.assertEqual(0, bitbake('core-image-minimal').status)
920
921        # get path to the image
922        bb_vars = get_bb_vars(['DEPLOY_DIR_IMAGE', 'MACHINE'])
923        deploy_dir = bb_vars['DEPLOY_DIR_IMAGE']
924        machine = bb_vars['MACHINE']
925        image_path = os.path.join(deploy_dir, 'core-image-minimal-%s.wic' % machine)
926
927        self.remove_config(config)
928
929        try:
930            # expand image to 1G
931            new_image_path = None
932            with NamedTemporaryFile(mode='wb', suffix='.wic.exp',
933                                    dir=deploy_dir, delete=False) as sparse:
934                sparse.truncate(1024 ** 3)
935                new_image_path = sparse.name
936
937            sysroot = get_bb_var('RECIPE_SYSROOT_NATIVE', 'wic-tools')
938            cmd = "wic write -n %s --expand 1:0 %s %s" % (sysroot, image_path, new_image_path)
939            runCmd(cmd)
940
941            # check if partitions are expanded
942            orig = runCmd("wic ls %s -n %s" % (image_path, sysroot))
943            exp = runCmd("wic ls %s -n %s" % (new_image_path, sysroot))
944            orig_sizes = [int(line.split()[3]) for line in orig.output.split('\n')[1:]]
945            exp_sizes = [int(line.split()[3]) for line in exp.output.split('\n')[1:]]
946            self.assertEqual(orig_sizes[0], exp_sizes[0]) # first partition is not resized
947            self.assertTrue(orig_sizes[1] < exp_sizes[1])
948
949            # Check if all free space is partitioned
950            result = runCmd("%s/usr/sbin/sfdisk -F %s" % (sysroot, new_image_path))
951            self.assertTrue("0 B, 0 bytes, 0 sectors" in result.output)
952
953            os.rename(image_path, image_path + '.bak')
954            os.rename(new_image_path, image_path)
955
956            # Check if it boots in qemu
957            with runqemu('core-image-minimal', ssh=False) as qemu:
958                cmd = "ls /etc/"
959                status, output = qemu.run_serial('true')
960                self.assertEqual(1, status, 'Failed to run command "%s": %s' % (cmd, output))
961        finally:
962            if os.path.exists(new_image_path):
963                os.unlink(new_image_path)
964            if os.path.exists(image_path + '.bak'):
965                os.rename(image_path + '.bak', image_path)
966
967    def test_wic_ls_ext(self):
968        """Test listing content of the ext partition using 'wic ls'"""
969        runCmd("wic create wictestdisk "
970                                   "--image-name=core-image-minimal "
971                                   "-D -o %s" % self.resultdir)
972        images = glob(self.resultdir + "wictestdisk-*.direct")
973        self.assertEqual(1, len(images))
974
975        sysroot = get_bb_var('RECIPE_SYSROOT_NATIVE', 'wic-tools')
976
977        # list directory content of the second ext4 partition
978        result = runCmd("wic ls %s:2/ -n %s" % (images[0], sysroot))
979        self.assertTrue(set(['bin', 'home', 'proc', 'usr', 'var', 'dev', 'lib', 'sbin']).issubset(
980                            set(line.split()[-1] for line in result.output.split('\n') if line)))
981
982    def test_wic_cp_ext(self):
983        """Test copy files and directories to the ext partition."""
984        runCmd("wic create wictestdisk "
985                                   "--image-name=core-image-minimal "
986                                   "-D -o %s" % self.resultdir)
987        images = glob(self.resultdir + "wictestdisk-*.direct")
988        self.assertEqual(1, len(images))
989
990        sysroot = get_bb_var('RECIPE_SYSROOT_NATIVE', 'wic-tools')
991
992        # list directory content of the ext4 partition
993        result = runCmd("wic ls %s:2/ -n %s" % (images[0], sysroot))
994        dirs = set(line.split()[-1] for line in result.output.split('\n') if line)
995        self.assertTrue(set(['bin', 'home', 'proc', 'usr', 'var', 'dev', 'lib', 'sbin']).issubset(dirs))
996
997        with NamedTemporaryFile("w", suffix=".wic-cp") as testfile:
998            testfile.write("test")
999
1000            # copy file to the partition
1001            runCmd("wic cp %s %s:2/ -n %s" % (testfile.name, images[0], sysroot))
1002
1003            # check if file is there
1004            result = runCmd("wic ls %s:2/ -n %s" % (images[0], sysroot))
1005            newdirs = set(line.split()[-1] for line in result.output.split('\n') if line)
1006            self.assertEqual(newdirs.difference(dirs), set([os.path.basename(testfile.name)]))
1007
1008    def test_wic_rm_ext(self):
1009        """Test removing files from the ext partition."""
1010        runCmd("wic create mkefidisk "
1011                                   "--image-name=core-image-minimal "
1012                                   "-D -o %s" % self.resultdir)
1013        images = glob(self.resultdir + "mkefidisk-*.direct")
1014        self.assertEqual(1, len(images))
1015
1016        sysroot = get_bb_var('RECIPE_SYSROOT_NATIVE', 'wic-tools')
1017
1018        # list directory content of the /etc directory on ext4 partition
1019        result = runCmd("wic ls %s:2/etc/ -n %s" % (images[0], sysroot))
1020        self.assertTrue('fstab' in [line.split()[-1] for line in result.output.split('\n') if line])
1021
1022        # remove file
1023        runCmd("wic rm %s:2/etc/fstab -n %s" % (images[0], sysroot))
1024
1025        # check if it's removed
1026        result = runCmd("wic ls %s:2/etc/ -n %s" % (images[0], sysroot))
1027        self.assertTrue('fstab' not in [line.split()[-1] for line in result.output.split('\n') if line])
1028
1029        # remove non-empty directory
1030        runCmd("wic rm -r %s:2/etc/ -n %s" % (images[0], sysroot))
1031
1032        # check if it's removed
1033        result = runCmd("wic ls %s:2/ -n %s" % (images[0], sysroot))
1034        self.assertTrue('etc' not in [line.split()[-1] for line in result.output.split('\n') if line])
1035