def test_layer_package_not_generated_if_filename_populated(self):
generator = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
function = create_function_resource('myfunction')
layer = models.LambdaLayer(resource_name='layer',
layer_name='name',
runtime='python2.7',
deployment_package=models.DeploymentPackage(
filename='original.zip'))
function.managed_layer = layer
config = Config.create(project_dir='.')
p = ManagedLayerDeploymentPackager(None, generator)
p.handle(config, layer)
assert layer.deployment_package.filename == 'original.zip'
assert not generator.create_deployment_package.called
def test_can_generate_layer_package(self):
function = create_function_resource('myfunction')
function.managed_layer = models.LambdaLayer(
resource_name='managed-layer',
layer_name='appname-dev-managed-layer',
runtime='python2.7',
deployment_package=models.DeploymentPackage(
models.Placeholder.BUILD_STAGE))
lambda_packager = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
layer_packager = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
lambda_packager.create_deployment_package.return_value = 'package.zip'
layer_packager.create_deployment_package.return_value = (
'package-layer.zip')
config = Config.create(project_dir='.')
p = ManagedLayerDeploymentPackager(lambda_packager, layer_packager)
p.handle(config, function.managed_layer)
p.handle(config, function)
assert function.deployment_package.filename == 'package.zip'
lambda_packager.create_deployment_package.assert_called_with(
'.', config.lambda_python_version)
assert function.managed_layer.deployment_package.filename == (
'package-layer.zip')
layer_packager.create_deployment_package.assert_called_with(
'.', config.lambda_python_version)
def test_managed_layer_removed_if_no_deps(self):
function = create_function_resource('myfunction')
function.managed_layer = models.LambdaLayer(
resource_name='managed-layer',
layer_name='appname-dev-managed-layer',
runtime='python2.7',
deployment_package=models.DeploymentPackage(
models.Placeholder.BUILD_STAGE
)
)
lambda_packager = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
layer_packager = mock.Mock(spec=packager.BaseLambdaDeploymentPackager)
lambda_packager.create_deployment_package.return_value = 'package.zip'
layer_packager.create_deployment_package.side_effect = \
packager.EmptyPackageError()
config = Config.create(project_dir='.')
p = ManagedLayerDeploymentPackager(lambda_packager, layer_packager)
p.handle(config, function.managed_layer)
p.handle(config, function)
# If the deployment package for layers would result in an empty
# deployment package, we expect that resource to be removed, it can't
# be created on the service.
assert function.managed_layer is None