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#
# Author:: Tyler Ball (<tball@chef.io>)
# Copyright:: Copyright 2014-2016, Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require "spec_helper"
require "chef/resource/resource_notification"
describe Chef::Resource::Notification do
let(:notification) { Chef::Resource::Notification.new(:service_apache, :restart, :template_httpd_conf) }
it "has a resource to be notified" do
expect(notification.resource).to eq(:service_apache)
end
it "has an action to take on the service" do
expect(notification.action).to eq(:restart)
end
it "has a notifying resource" do
expect(notification.notifying_resource).to eq(:template_httpd_conf)
end
it "is a duplicate of another notification with the same target resource and action" do
other = Chef::Resource::Notification.new(:service_apache, :restart, :sync_web_app_code)
expect(notification.duplicates?(other)).to be_truthy
end
it "is not a duplicate of another notification if the actions differ" do
other = Chef::Resource::Notification.new(:service_apache, :enable, :install_apache)
expect(notification.duplicates?(other)).to be_falsey
end
it "is not a duplicate of another notification if the target resources differ" do
other = Chef::Resource::Notification.new(:service_sshd, :restart, :template_httpd_conf)
expect(notification.duplicates?(other)).to be_falsey
end
it "raises an ArgumentError if you try to check a non-ducktype object for duplication" do
expect { notification.duplicates?(:not_a_notification) }.to raise_error(ArgumentError)
end
it "takes no action to resolve a resource reference that doesn't need to be resolved" do
@keyboard_cat = Chef::Resource::Cat.new("keyboard_cat")
notification.resource = @keyboard_cat
@long_cat = Chef::Resource::Cat.new("long_cat")
notification.notifying_resource = @long_cat
@resource_collection = Chef::ResourceCollection.new
# would raise an error since the resource is not in the collection
notification.resolve_resource_reference(@resource_collection)
expect(notification.resource).to eq(@keyboard_cat)
end
it "resolves a lazy reference to a resource" do
notification.resource = { cat: "keyboard_cat" }
@keyboard_cat = Chef::Resource::Cat.new("keyboard_cat")
@resource_collection = Chef::ResourceCollection.new
@resource_collection << @keyboard_cat
@long_cat = Chef::Resource::Cat.new("long_cat")
notification.notifying_resource = @long_cat
notification.resolve_resource_reference(@resource_collection)
expect(notification.resource).to eq(@keyboard_cat)
end
it "resolves a lazy reference to its notifying resource" do
@keyboard_cat = Chef::Resource::Cat.new("keyboard_cat")
notification.resource = @keyboard_cat
notification.notifying_resource = { cat: "long_cat" }
@long_cat = Chef::Resource::Cat.new("long_cat")
@resource_collection = Chef::ResourceCollection.new
@resource_collection << @long_cat
notification.resolve_resource_reference(@resource_collection)
expect(notification.notifying_resource).to eq(@long_cat)
end
it "resolves lazy references to both its resource and its notifying resource" do
notification.resource = { cat: "keyboard_cat" }
@keyboard_cat = Chef::Resource::Cat.new("keyboard_cat")
@resource_collection = Chef::ResourceCollection.new
@resource_collection << @keyboard_cat
notification.notifying_resource = { cat: "long_cat" }
@long_cat = Chef::Resource::Cat.new("long_cat")
@resource_collection << @long_cat
notification.resolve_resource_reference(@resource_collection)
expect(notification.resource).to eq(@keyboard_cat)
expect(notification.notifying_resource).to eq(@long_cat)
end
it "raises a RuntimeError if you try to reference multiple resources" do
notification.resource = { cat: %w{keyboard_cat cheez_cat} }
@keyboard_cat = Chef::Resource::Cat.new("keyboard_cat")
@cheez_cat = Chef::Resource::Cat.new("cheez_cat")
@resource_collection = Chef::ResourceCollection.new
@resource_collection << @keyboard_cat
@resource_collection << @cheez_cat
@long_cat = Chef::Resource::Cat.new("long_cat")
notification.notifying_resource = @long_cat
expect { notification.resolve_resource_reference(@resource_collection) }.to raise_error(RuntimeError)
end
it "raises a RuntimeError if you try to reference multiple notifying resources" do
notification.notifying_resource = { cat: %w{long_cat cheez_cat} }
@long_cat = Chef::Resource::Cat.new("long_cat")
@cheez_cat = Chef::Resource::Cat.new("cheez_cat")
@resource_collection = Chef::ResourceCollection.new
@resource_collection << @long_cat
@resource_collection << @cheez_cat
@keyboard_cat = Chef::Resource::Cat.new("keyboard_cat")
notification.resource = @keyboard_cat
expect { notification.resolve_resource_reference(@resource_collection) }.to raise_error(RuntimeError)
end
it "raises a RuntimeError if it can't find a resource in the resource collection when resolving a lazy reference" do
notification.resource = { cat: "keyboard_cat" }
@cheez_cat = Chef::Resource::Cat.new("cheez_cat")
@resource_collection = Chef::ResourceCollection.new
@resource_collection << @cheez_cat
@long_cat = Chef::Resource::Cat.new("long_cat")
notification.notifying_resource = @long_cat
expect { notification.resolve_resource_reference(@resource_collection) }.to raise_error(RuntimeError)
end
it "raises a RuntimeError if it can't find a notifying resource in the resource collection when resolving a lazy reference" do
notification.notifying_resource = { cat: "long_cat" }
@cheez_cat = Chef::Resource::Cat.new("cheez_cat")
@resource_collection = Chef::ResourceCollection.new
@resource_collection << @cheez_cat
@keyboard_cat = Chef::Resource::Cat.new("keyboard_cat")
notification.resource = @keyboard_cat
expect { notification.resolve_resource_reference(@resource_collection) }.to raise_error(RuntimeError)
end
it "raises an ArgumentError if improper syntax is used in the lazy reference to its resource" do
notification.resource = "cat => keyboard_cat"
@keyboard_cat = Chef::Resource::Cat.new("keyboard_cat")
@resource_collection = Chef::ResourceCollection.new
@resource_collection << @keyboard_cat
@long_cat = Chef::Resource::Cat.new("long_cat")
notification.notifying_resource = @long_cat
expect { notification.resolve_resource_reference(@resource_collection) }.to raise_error(ArgumentError)
end
it "raises an ArgumentError if improper syntax is used in the lazy reference to its notifying resource" do
notification.notifying_resource = "cat => long_cat"
@long_cat = Chef::Resource::Cat.new("long_cat")
@resource_collection = Chef::ResourceCollection.new
@resource_collection << @long_cat
@keyboard_cat = Chef::Resource::Cat.new("keyboard_cat")
notification.resource = @keyboard_cat
expect { notification.resolve_resource_reference(@resource_collection) }.to raise_error(ArgumentError)
end
# Create test to resolve lazy references to both notifying resource and dest. resource
# Create tests to check proper error raising
end
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