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274 lines (209 loc) · 9.45 KB
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# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, 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 File.expand_path(File.join(File.dirname(__FILE__), "..", "spec_helper"))
class SnitchyProvider < Chef::Provider
def self.all_actions_called
@all_actions_called ||= []
end
def self.action_called(action)
all_actions_called << action
end
def self.clear_action_record
@all_actions_called = nil
end
def load_current_resource
true
end
def action_first_action
@new_resource.updated_by_last_action(true)
self.class.action_called(:first)
end
def action_second_action
@new_resource.updated_by_last_action(true)
self.class.action_called(:second)
end
def action_third_action
@new_resource.updated_by_last_action(true)
self.class.action_called(:third)
end
end
describe Chef::Runner do
before(:each) do
@node = Chef::Node.new
@node.name "latte"
@node.platform "mac_os_x"
@node.platform_version "10.5.1"
@run_context = Chef::RunContext.new(@node, Chef::CookbookCollection.new({}))
@first_resource = Chef::Resource::Cat.new("loulou1", @run_context)
@run_context.resource_collection << @first_resource
Chef::Platform.set(
:resource => :cat,
:provider => Chef::Provider::SnakeOil
)
@runner = Chef::Runner.new(@run_context)
end
it "should pass each resource in the collection to a provider" do
@run_context.resource_collection.should_receive(:execute_each_resource).once
@runner.converge
end
it "should use the provider specified by the resource (if it has one)" do
provider = Chef::Provider::Easy.new(@run_context.resource_collection[0], @run_context)
@run_context.resource_collection[0].should_receive(:provider).once.and_return(Chef::Provider::Easy)
Chef::Provider::Easy.should_receive(:new).once.and_return(provider)
@runner.converge
end
it "should use the platform provider if it has one" do
Chef::Platform.should_receive(:find_provider_for_node).once.and_return(Chef::Provider::SnakeOil)
@runner.converge
end
it "should run the action for each resource" do
Chef::Platform.should_receive(:find_provider_for_node).once.and_return(Chef::Provider::SnakeOil)
provider = Chef::Provider::SnakeOil.new(@run_context.resource_collection[0], @run_context)
provider.should_receive(:action_sell).once.and_return(true)
Chef::Provider::SnakeOil.should_receive(:new).once.and_return(provider)
@runner.converge
end
it "should raise exceptions as thrown by a provider" do
provider = Chef::Provider::SnakeOil.new(@run_context.resource_collection[0], @run_context)
Chef::Provider::SnakeOil.stub!(:new).once.and_return(provider)
provider.stub!(:action_sell).once.and_raise(ArgumentError)
lambda { @runner.converge }.should raise_error(ArgumentError)
end
it "should not raise exceptions thrown by providers if the resource has ignore_failure set to true" do
@run_context.resource_collection[0].stub!(:ignore_failure).and_return(true)
provider = Chef::Provider::SnakeOil.new(@run_context.resource_collection[0], @run_context)
Chef::Provider::SnakeOil.stub!(:new).once.and_return(provider)
provider.stub!(:action_sell).once.and_raise(ArgumentError)
lambda { @runner.converge }.should_not raise_error(ArgumentError)
end
it "should execute immediate actions on changed resources" do
notifying_resource = Chef::Resource::Cat.new("peanut", @run_context)
notifying_resource.action = :purr # only action that will set updated on the resource
@run_context.resource_collection << notifying_resource
@first_resource.action = :nothing # won't be updated unless notified by other resource
notifying_resource.notifies(:purr, @first_resource, :immediately)
@runner.converge
@first_resource.should be_updated
end
it "should follow a chain of actions" do
@first_resource.action = :nothing
middle_resource = Chef::Resource::Cat.new("peanut", @run_context)
middle_resource.action = :nothing
@run_context.resource_collection << middle_resource
middle_resource.notifies(:purr, @first_resource, :immediately)
last_resource = Chef::Resource::Cat.new("snuffles", @run_context)
last_resource.action = :purr
@run_context.resource_collection << last_resource
last_resource.notifies(:purr, middle_resource, :immediately)
@runner.converge
last_resource.should be_updated # by action(:purr)
middle_resource.should be_updated # by notification from last_resource
@first_resource.should be_updated # by notification from middle_resource
end
it "should execute delayed actions on changed resources" do
@first_resource.action = :nothing
second_resource = Chef::Resource::Cat.new("peanut", @run_context)
second_resource.action = :purr
@run_context.resource_collection << second_resource
second_resource.notifies(:purr, @first_resource, :delayed)
@runner.converge
@first_resource.should be_updated
end
it "does not duplicate delayed notifications" do
SnitchyProvider.clear_action_record
Chef::Platform.set(
:resource => :cat,
:provider => SnitchyProvider
)
@first_resource.action = :nothing
second_resource = Chef::Resource::Cat.new("peanut", @run_context)
second_resource.action = :first_action
@run_context.resource_collection << second_resource
third_resource = Chef::Resource::Cat.new("snickers", @run_context)
third_resource.action = :first_action
@run_context.resource_collection << third_resource
second_resource.notifies(:second_action, @first_resource, :delayed)
second_resource.notifies(:third_action, @first_resource, :delayed)
third_resource.notifies(:second_action, @first_resource, :delayed)
third_resource.notifies(:third_action, @first_resource, :delayed)
@runner.converge
# resources 2 and 3 call :first_action in the course of normal resource
# execution, and schedule delayed actions :second and :third on the first
# resource. The duplicate actions should "collapse" to a single notification
# and order should be preserved.
SnitchyProvider.all_actions_called.should == [:first, :first, :second, :third]
end
it "executes delayed notifications in the order they were declared" do
SnitchyProvider.clear_action_record
Chef::Platform.set(
:resource => :cat,
:provider => SnitchyProvider
)
@first_resource.action = :nothing
second_resource = Chef::Resource::Cat.new("peanut", @run_context)
second_resource.action = :first_action
@run_context.resource_collection << second_resource
third_resource = Chef::Resource::Cat.new("snickers", @run_context)
third_resource.action = :first_action
@run_context.resource_collection << third_resource
second_resource.notifies(:second_action, @first_resource, :delayed)
second_resource.notifies(:second_action, @first_resource, :delayed)
third_resource.notifies(:third_action, @first_resource, :delayed)
third_resource.notifies(:third_action, @first_resource, :delayed)
@runner.converge
SnitchyProvider.all_actions_called.should == [:first, :first, :second, :third]
end
it "does not fire notifications if the resource was not updated by the last action executed" do
# REGRESSION TEST FOR CHEF-1452
SnitchyProvider.clear_action_record
Chef::Platform.set(
:resource => :cat,
:provider => SnitchyProvider
)
@first_resource.action = :first_action
second_resource = Chef::Resource::Cat.new("peanut", @run_context)
second_resource.action = :nothing
@run_context.resource_collection << second_resource
third_resource = Chef::Resource::Cat.new("snickers", @run_context)
third_resource.action = :nothing
@run_context.resource_collection << third_resource
@first_resource.notifies(:second_action, second_resource, :immediately)
second_resource.notifies(:third_action, third_resource, :immediately)
@runner.converge
# All of the resources should only fire once:
SnitchyProvider.all_actions_called.should == [:first, :second, :third]
# all of the resources should be marked as updated for reporting purposes
@first_resource.should be_updated
second_resource.should be_updated
third_resource.should be_updated
end
it "should check a resource's only_if and not_if if notified by another resource" do
@first_resource.action = :nothing
only_if_called_times = 0
@first_resource.only_if {only_if_called_times += 1; true}
not_if_called_times = 0
@first_resource.not_if {not_if_called_times += 1; false}
second_resource = Chef::Resource::Cat.new("carmel", @run_context)
@run_context.resource_collection << second_resource
second_resource.notifies(:purr, @first_resource, :delayed)
second_resource.action = :purr
# hits only_if first time when the resource is run in order, second on notify
@runner.converge
only_if_called_times.should == 2
not_if_called_times.should == 2
end
end