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#
# Author:: Adam Edwards (<adamed@getchef.com>)
# Copyright:: Copyright (c) 2014 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 'spec_helper'
describe Chef::Resource::Env, :windows_only do
context 'when running on Windows' do
let(:chef_env_test_lower_case) { 'chefenvtest' }
let(:chef_env_test_mixed_case) { 'chefENVtest' }
let(:env_dne_key) { 'env_dne_key' }
let(:env_value1) { 'value1' }
let(:env_value2) { 'value2' }
let(:env_value_expandable) { '%SystemRoot%' }
let(:test_run_context) {
node = Chef::Node.new
node.default['os'] = 'windows'
node.default['platform'] = 'windows'
node.default['platform_version'] = '6.1'
empty_events = Chef::EventDispatch::Dispatcher.new
Chef::RunContext.new(node, {}, empty_events)
}
let(:test_resource) {
Chef::Resource::Env.new('unknown', test_run_context)
}
before(:each) do
resource_lower = Chef::Resource::Env.new(chef_env_test_lower_case, test_run_context)
resource_lower.run_action(:delete)
resource_mixed = Chef::Resource::Env.new(chef_env_test_mixed_case, test_run_context)
resource_mixed.run_action(:delete)
end
context "when the create action is invoked" do
it 'should create an environment variable for action create' do
expect(ENV[chef_env_test_lower_case]).to eq(nil)
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value1)
end
it "should modify an existing variable's value to a new value" do
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value1)
test_resource.value(env_value2)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value2)
end
it "should modify an existing variable's value to a new value if the variable name case differs from the existing variable" do
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value1)
test_resource.key_name(chef_env_test_mixed_case)
test_resource.value(env_value2)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value2)
end
it 'should not expand environment variables if the variable is not PATH' do
expect(ENV[chef_env_test_lower_case]).to eq(nil)
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value_expandable)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value_expandable)
end
end
context "when the modify action is invoked" do
it "should raise an exception for modify if the variable doesn't exist" do
expect(ENV[chef_env_test_lower_case]).to eq(nil)
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
expect {test_resource.run_action(:modify) }.to raise_error(Chef::Exceptions::Env)
end
it "should modify an existing variable's value to a new value" do
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value1)
test_resource.value(env_value2)
test_resource.run_action(:modify)
expect(ENV[chef_env_test_lower_case]).to eq(env_value2)
end
# This examlpe covers Chef Issue #1754
it "should modify an existing variable's value to a new value if the variable name case differs from the existing variable" do
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value1)
test_resource.key_name(chef_env_test_mixed_case)
test_resource.value(env_value2)
test_resource.run_action(:modify)
expect(ENV[chef_env_test_lower_case]).to eq(env_value2)
end
it 'should not expand environment variables if the variable is not PATH' do
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value1)
test_resource.value(env_value_expandable)
test_resource.run_action(:modify)
expect(ENV[chef_env_test_lower_case]).to eq(env_value_expandable)
end
context 'when using PATH' do
let(:random_name) { Time.now.to_i }
let(:env_val) { "#{env_value_expandable}_#{random_name}"}
let!(:path_before) { test_resource.provider_for_action(test_resource.action).env_value('PATH') || '' }
let!(:env_path_before) { ENV['PATH'] }
it 'should expand PATH' do
expect(path_before).not_to include(env_val)
test_resource.key_name('PATH')
test_resource.value("#{path_before};#{env_val}")
test_resource.run_action(:create)
expect(ENV['PATH']).not_to include(env_val)
expect(ENV['PATH']).to include("#{random_name}")
end
after(:each) do
# cleanup so we don't flood the path
test_resource.key_name('PATH')
test_resource.value(path_before)
test_resource.run_action(:create)
ENV['PATH'] = env_path_before
end
end
end
context "when the delete action is invoked" do
it "should delete an environment variable" do
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value1)
test_resource.run_action(:delete)
expect(ENV[chef_env_test_lower_case]).to eq(nil)
end
it "should not raise an exception when a non-existent environment variable is deleted" do
expect(ENV[chef_env_test_lower_case]).to eq(nil)
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
expect{test_resource.run_action(:delete)}.not_to raise_error
expect(ENV[chef_env_test_lower_case]).to eq(nil)
end
it "should delete an existing variable's value to a new value if the specified variable name case differs from the existing variable" do
test_resource.key_name(chef_env_test_lower_case)
test_resource.value(env_value1)
test_resource.run_action(:create)
expect(ENV[chef_env_test_lower_case]).to eq(env_value1)
test_resource.key_name(chef_env_test_mixed_case)
test_resource.run_action(:delete)
expect(ENV[chef_env_test_lower_case]).to eq(nil)
expect(ENV[chef_env_test_mixed_case]).to eq(nil)
end
it "should delete a value from the current process even if it is not in the registry" do
expect(ENV[env_dne_key]).to eq(nil)
ENV[env_dne_key] = env_value1
test_resource.key_name(env_dne_key)
test_resource.run_action(:delete)
expect(ENV[env_dne_key]).to eq(nil)
end
end
end
end
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