[recipes] Increase test coverage

infra/bots/recipe_modules/flavor/ios_flavor.py

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 
 # pylint: disable=W0201
 
 
 import copy
 import default_flavor
@@ skipping 27 matching lines @@
   def compile(self, target, **kwargs):
     """Build the given target."""
     cmd = [self.ios_bin.join('ios_ninja')]
     self.m.run(self.m.step, 'build iOSShell', cmd=cmd,
                cwd=self.m.path['checkout'], **kwargs)
 
   def device_path_join(self, *args):
     """Like os.path.join(), but for paths on a connected iOS device."""
     return '/'.join(args)
 
-  def device_path_exists(self, path):
-    """Like os.path.exists(), but for paths on a connected device."""
-    return self.m.run(
-        self.m.step,
-        'exists %s' % path,
-        cmd=[self.ios_bin.join('ios_path_exists'), path],
-        env=self.default_env,
-        infra_step=True,
-    ) # pragma: no cover
-
   def _remove_device_dir(self, path):
     """Remove the directory on the device."""
     return self.m.run(
         self.m.step,
         'rmdir %s' % path,
         cmd=[self.ios_bin.join('ios_rm'), path],
         env=self.default_env,
         infra_step=True,
     )
 
@@ skipping 31 matching lines @@
     )
 
   def copy_file_to_device(self, host_path, device_path):
     """Like shutil.copyfile, but for copying to a connected device."""
     self.m.run(
         self.m.step,
         name='push %s' % host_path,
         cmd=[self.ios_bin.join('ios_push_file'), host_path, device_path],
         env=self.default_env,
         infra_step=True,
-    ) # pragma: no cover
+    )
 
   def copy_extra_build_products(self, swarming_out_dir):
     xcode_dir = self.m.path.join(
         'xcodebuild', '%s-iphoneos' % self.m.vars.configuration)
     self.m.run.copy_build_products(
         self.m.vars.skia_dir.join(xcode_dir),
         swarming_out_dir.join(xcode_dir))
 
   def create_clean_device_dir(self, path):
     """Like shutil.rmtree() + os.makedirs(), but on a connected device."""
@@ skipping 47 matching lines @@
 
   def remove_file_on_device(self, path):
     """Remove the file on the device."""
     return self.m.run(
         self.m.step,
         'rm %s' % path,
         cmd=[self.ios_bin.join('ios_rm'), path],
         env=self.default_env,
         infra_step=True,
     )