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#
# Author:: Ranjib Dey (<ranjib@linux.com>)
#
# Copyright:: Copyright 2015-2016, Ranjib Dey
# 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/event_dispatch/dsl"
describe Chef::EventDispatch::DSL do
let(:events) do
Chef::EventDispatch::Dispatcher.new
end
let(:run_context) do
Chef::RunContext.new(Chef::Node.new, nil, events)
end
before do
Chef.set_run_context(run_context)
end
subject { described_class.new("test") }
it "set handler name" do
subject.on(:run_started) do end
expect(events.subscribers.first.name).to eq("test")
end
it "raise error when invalid event type is supplied" do
expect {
subject.on(:foo_bar) {}
}.to raise_error(Chef::Exceptions::InvalidEventType)
end
it "register user hooks against valid event type" do
subject.on(:run_failed) do "testhook" end
expect(events.subscribers.first.run_failed).to eq("testhook")
end
it "preserve state across event hooks" do
calls = []
Chef.event_handler do
on :resource_updated do
calls << :updated
end
on :resource_action_start do
calls << :started
end
end
resource = Chef::Resource::RubyBlock.new("foo", run_context)
resource.block do end
resource.run_action(:run)
expect(calls).to eq(%i{started updated})
end
it "preserve instance variables across handler callbacks" do
Chef.event_handler do
on :resource_action_start do
@ivar = [1]
end
on :resource_updated do
@ivar << 2
end
end
resource = Chef::Resource::RubyBlock.new("foo", run_context)
resource.block do end
resource.run_action(:run)
expect(events.subscribers.first.instance_variable_get(:@ivar)).to eq([1, 2])
end
end
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