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1# Copyright 2017 The Chromium Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5
6from . import default
7
8
9"""iOS flavor, used for running code on iOS."""
10
11
12class iOSFlavor(default.DefaultFlavor):
13  def __init__(self, m, app_name):
14    super(iOSFlavor, self).__init__(m, app_name)
15    self.device_dirs = default.DeviceDirs(
16        bin_dir='[unused]',
17        dm_dir='dm',
18        perf_data_dir='perf',
19        resource_dir='resources',
20        fonts_dir = 'NOT_SUPPORTED',
21        images_dir='images',
22        lotties_dir='lotties',
23        skp_dir='skps',
24        svg_dir='svgs',
25        tmp_dir='tmp',
26        texttraces_dir='')
27
28  @property
29  def env(self):
30    return {
31      'IOS_BUNDLE_ID': 'com.google.%s' % self.app_name,
32      'IOS_MOUNT_POINT': self.m.vars.workdir.joinpath('mnt_iosdevice'),
33    }
34
35  def context(self):
36    return self.m.context(env=self.env)
37
38  def _run(self, title, *cmd, **kwargs):
39    def sleep(attempt):
40      self.m.step(
41          'sleep before attempt %d' % attempt,
42          cmd=['sleep', '2']) # pragma: nocover
43
44    return self.m.run.with_retry(self.m.step, title, 3, cmd=list(cmd),
45                                 between_attempts_fn=sleep, **kwargs)
46
47  def install(self):
48    with self.context():
49      self._install()
50
51  def _install(self):
52    # We assume a single device is connected.
53
54    # Kill usbmuxd.  This tends to help with connection problems.
55    if self.m.platform.is_mac:
56      self.m.step('killall usbmuxd', ['sudo', '/usr/bin/killall', '-v', 'usbmuxd'])
57      self.m.step('sleep 10', ['sleep', '10'])
58
59    # Pair the device.
60    try:
61      self.m.run(self.m.step, 'check if device is paired',
62                 cmd=['idevicepair', 'validate'],
63                 infra_step=True, abort_on_failure=True,
64                 fail_build_on_failure=False)
65    except self.m.step.StepFailure:  # pragma: nocover
66      self._run('pair device', 'idevicepair', 'pair')  # pragma: nocover
67
68    # Mount developer image.
69    image_info = self._run('list mounted image',
70                           'ideviceimagemounter', '--list',
71                           stdout=self.m.raw_io.output())
72    image_info_out = (
73      image_info.stdout.decode('utf-8').strip() if image_info.stdout else '')
74
75    if 'ImageSignature' not in image_info_out:
76      image_pkgs = self.m.file.glob_paths('locate ios-dev-image package',
77                                          self.m.path.start_dir,
78                                          'ios-dev-image*',
79                                          test_data=['ios-dev-image-13.2'])
80      if len(image_pkgs) != 1:
81        raise Exception('glob for ios-dev-image* returned %s'
82                        % image_pkgs)  # pragma: nocover
83
84      image_pkg = image_pkgs[0]
85      contents = self.m.file.listdir(
86          'locate image and signature', image_pkg,
87          test_data=['DeveloperDiskImage.dmg',
88                     'DeveloperDiskImage.dmg.signature'])
89      image = None
90      sig = None
91      for f in contents:
92        if str(f).endswith('.dmg'):
93          image = f
94        if str(f).endswith('.dmg.signature'):
95          sig = f
96      if not image or not sig:
97        raise Exception('%s does not contain *.dmg and *.dmg.signature' %
98                        image_pkg)  # pragma: nocover
99
100      self._run('mount developer image', 'ideviceimagemounter', image, sig)
101
102    # Install XCode.
103    if self.m.platform.is_mac:
104      self.m.xcode.install()
105
106    # Install app (necessary before copying any resources to the device).
107    if self.app_name:
108      app_package = self.host_dirs.bin_dir.joinpath('%s.app' % self.app_name)
109
110      def uninstall_app(attempt):
111        # If app ID changes, upgrade will fail, so try uninstalling.
112        self.m.run(self.m.step,
113                   'uninstall %s' % self.app_name,
114                   cmd=['ideviceinstaller', '-U',
115                        'com.google.%s' % self.app_name],
116                   infra_step=True,
117                   # App may not be installed.
118                   abort_on_failure=False, fail_build_on_failure=False)
119
120      num_attempts = 2
121      self.m.run.with_retry(self.m.step, 'install %s' % self.app_name,
122                            num_attempts,
123                            cmd=['ideviceinstaller', '-i', app_package],
124                            between_attempts_fn=uninstall_app,
125                            infra_step=True)
126
127  def step(self, name, cmd, **kwargs):
128    app_name = cmd[0]
129    app_package = self.host_dirs.bin_dir.joinpath('%s.app' % app_name)
130    bundle_id = 'com.google.%s' % app_name
131    if self.m.platform.is_mac:
132      args = [self.m.xcode.path, app_package, bundle_id] + [str(ele) for ele in cmd[1:]]
133      with self.context():
134        self.m.run(
135            self.m.step, name,
136            cmd=['python3', self.module.resource('ios_xcode_run.py')] + args)
137    else:
138      args = [bundle_id] + [str(ele) for ele in cmd[1:]]
139      success = False
140      with self.context():
141        try:
142          self.m.run(self.m.step, name, cmd=['idevicedebug', 'run'] + args)
143          success = True
144        finally:
145          if not success:
146            self.m.run(
147                self.m.step, '%s with full debug output' % name,
148                cmd=['python3', self.module.resource('ios_debug_cmd.py')] + args)
149
150  def _run_ios_script(self, script, first, *rest):
151    with self.context():
152      full = self.m.path.start_dir.joinpath(
153          'skia', 'platform_tools', 'ios', 'bin', 'ios_' + script)
154      self.m.run(self.m.step,
155                 name = '%s %s' % (script, first),
156                 cmd = [full, first] + list(rest),
157                 infra_step=True)
158
159  def copy_file_to_device(self, host, device):
160    self._run_ios_script('push_file', host, device)
161
162  def copy_directory_contents_to_device(self, host, device):
163    self._run_ios_script('push_if_needed', host, device)
164
165  def copy_directory_contents_to_host(self, device, host):
166    self._run_ios_script('pull_if_needed', device, host)
167
168  def remove_file_on_device(self, path):
169    self._run_ios_script('rm', path)
170
171  def create_clean_device_dir(self, path):
172    self._run_ios_script('rm',    path)
173    self._run_ios_script('mkdir', path)
174
175  def read_file_on_device(self, path, **kwargs):
176    with self.context():
177      full = self.m.path.start_dir.joinpath(
178          'skia', 'platform_tools', 'ios', 'bin', 'ios_cat_file')
179      rv = self.m.run(self.m.step,
180                      name = 'cat_file %s' % path,
181                      cmd = [full, path],
182                      stdout=self.m.raw_io.output(),
183                      infra_step=True,
184                      **kwargs)
185      return rv.stdout.decode('utf-8').rstrip() if rv and rv.stdout else None
186