old_contents: import copy
  
  import pkg_resources
  
  from rwt import deps
  
  
  def test_entry_points():
  	"""
  	Ensure entry points are visible after making packages visible
  	"""
  	with deps.on_sys_path('jaraco.mongodb'):
  		eps = pkg_resources.iter_entry_points('pytest11')
  		assert list(eps), "Entry points not found"
  
  
  class TestInstallCheck:
  	def test_installed(self):
  		assert deps.pkg_installed('rwt')
  
  	def test_not_installed(self):
  		assert not deps.pkg_installed('not_a_package')
  
  	def test_installed_version(self):
  		assert not deps.pkg_installed('rwt==0.0')
  
  	def test_not_installed_args(self):
  		args = [
  			'-i', 'https://devpi.net',
  			'-r', 'requirements.txt',
  			'rwt',
  			'not_a_package',
  			'rwt==0.0',
  		]
  		expected = copy.copy(args)
  		expected.remove('rwt')
  		filtered = deps.not_installed(args)
  		assert list(filtered) == expected
  
new_contents: import copy
  
  import pkg_resources
  
  from rwt import deps
  
  
  def test_entry_points():
  	"""
  	Ensure entry points are visible after making packages visible
  	"""
  	with deps.on_sys_path('jaraco.mongodb'):
  		eps = pkg_resources.iter_entry_points('pytest11')
  		assert list(eps), "Entry points not found"
  
  
  class TestInstallCheck:
  	def test_installed(self):
  		assert deps.pkg_installed('rwt')
  
  	def test_not_installed(self):
  		assert not deps.pkg_installed('not_a_package')
  
  	def test_installed_version(self):
  		assert not deps.pkg_installed('rwt==0.0')
  
  	def test_not_installed_args(self):
  		args = [
  			'-i', 'https://devpi.net',
  			'-r', 'requirements.txt',
  			'rwt',
  			'not_a_package',
  			'rwt==0.0',
  		]
  		expected = copy.copy(args)
  		expected.remove('rwt')
  		filtered = deps.not_installed(args)
  		assert list(filtered) == expected
  
  
  class TestLoad:
  	def test_no_args_passes(self):
  		"""
  		If called with no arguments, load() should still provide
  		a context.
  		"""
  		with deps.load():
  			pass
  
subject: Add test capturing expectation when no deps are indicated. Ref #25.