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path: root/spec/unit/network/http_pool_spec.rb
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#!/usr/bin/env ruby
#
#  Created by Luke Kanies on 2007-11-26.
#  Copyright (c) 2007. All rights reserved.

require File.dirname(__FILE__) + '/../../spec_helper'
require 'puppet/network/http_pool'

describe Puppet::Network::HttpPool do
    after do
        Puppet::Util::Cacher.expire
        Puppet::Network::HttpPool.clear_http_instances
        Puppet::Network::HttpPool.instance_variable_set("@ssl_host", nil)
    end

    it "should have keep-alive disabled" do
        Puppet::Network::HttpPool::HTTP_KEEP_ALIVE.should be_false
    end

    it "should use the global SSL::Host instance to get its certificate information" do
        host = mock 'host'
        Puppet::SSL::Host.expects(:localhost).with().returns host
        Puppet::Network::HttpPool.ssl_host.should equal(host)
    end

    describe "when managing http instances" do
        def stub_settings(settings)
            settings.each do |param, value|
                Puppet.settings.stubs(:value).with(param).returns(value)
            end
        end

        before do
            # All of the cert stuff is tested elsewhere
            Puppet::Network::HttpPool.stubs(:cert_setup)
        end

        it "should return an http instance created with the passed host and port" do
            http = stub 'http', :use_ssl= => nil, :read_timeout= => nil, :open_timeout= => nil, :started? => false
            Net::HTTP.expects(:new).with("me", 54321, nil, nil).returns(http)
            Puppet::Network::HttpPool.http_instance("me", 54321).should equal(http)
        end

        it "should enable ssl on the http instance" do
            Puppet::Network::HttpPool.http_instance("me", 54321).instance_variable_get("@use_ssl").should be_true
        end

        it "should set the read timeout" do
            Puppet::Network::HttpPool.http_instance("me", 54321).read_timeout.should == 120
        end

        it "should set the open timeout" do
            Puppet::Network::HttpPool.http_instance("me", 54321).open_timeout.should == 120
        end

        it "should create the http instance with the proxy host and port set if the http_proxy is not set to 'none'" do
            stub_settings :http_proxy_host => "myhost", :http_proxy_port => 432, :configtimeout => 120
            Puppet::Network::HttpPool.http_instance("me", 54321).open_timeout.should == 120
        end

        describe "and http keep-alive is enabled" do
            before do
                Puppet::Network::HttpPool.stubs(:keep_alive?).returns true
            end

            it "should cache http instances" do
                stub_settings :http_proxy_host => "myhost", :http_proxy_port => 432, :configtimeout => 120
                old = Puppet::Network::HttpPool.http_instance("me", 54321)
                Puppet::Network::HttpPool.http_instance("me", 54321).should equal(old)
            end

            it "should have a mechanism for getting a new http instance instead of the cached instance" do
                stub_settings :http_proxy_host => "myhost", :http_proxy_port => 432, :configtimeout => 120
                old = Puppet::Network::HttpPool.http_instance("me", 54321)
                Puppet::Network::HttpPool.http_instance("me", 54321, true).should_not equal(old)
            end

            it "should close existing, open connections when requesting a new connection" do
                stub_settings :http_proxy_host => "myhost", :http_proxy_port => 432, :configtimeout => 120
                old = Puppet::Network::HttpPool.http_instance("me", 54321)
                old.expects(:started?).returns(true)
                old.expects(:finish)
                Puppet::Network::HttpPool.http_instance("me", 54321, true)
            end

            it "should have a mechanism for clearing the http cache" do
                stub_settings :http_proxy_host => "myhost", :http_proxy_port => 432, :configtimeout => 120
                old = Puppet::Network::HttpPool.http_instance("me", 54321)
                Puppet::Network::HttpPool.http_instance("me", 54321).should equal(old)
                old = Puppet::Network::HttpPool.http_instance("me", 54321)
                Puppet::Network::HttpPool.clear_http_instances
                Puppet::Network::HttpPool.http_instance("me", 54321).should_not equal(old)
            end

            it "should close open http connections when clearing the cache" do
                stub_settings :http_proxy_host => "myhost", :http_proxy_port => 432, :configtimeout => 120
                one = Puppet::Network::HttpPool.http_instance("me", 54321)
                one.expects(:started?).returns(true)
                one.expects(:finish).returns(true)
                Puppet::Network::HttpPool.clear_http_instances
            end

            it "should not close unopened http connections when clearing the cache" do
                stub_settings :http_proxy_host => "myhost", :http_proxy_port => 432, :configtimeout => 120
                one = Puppet::Network::HttpPool.http_instance("me", 54321)
                one.expects(:started?).returns(false)
                one.expects(:finish).never
                Puppet::Network::HttpPool.clear_http_instances
            end
        end

        describe "and http keep-alive is disabled" do
            before do
                Puppet::Network::HttpPool.stubs(:keep_alive?).returns false
            end

            it "should not cache http instances" do
                stub_settings :http_proxy_host => "myhost", :http_proxy_port => 432, :configtimeout => 120
                old = Puppet::Network::HttpPool.http_instance("me", 54321)
                Puppet::Network::HttpPool.http_instance("me", 54321).should_not equal(old)
            end
        end

        after do
            Puppet::Network::HttpPool.clear_http_instances
        end
    end

    describe "when adding certificate information to http instances" do
        before do
            @http = mock 'http'
            [:cert_store=, :verify_mode=, :ca_file=, :cert=, :key=].each { |m| @http.stubs(m) }
            @store = stub 'store'

            @cert = stub 'cert', :content => "real_cert"
            @key = stub 'key', :content => "real_key"
            @host = stub 'host', :certificate => @cert, :key => @key, :ssl_store => @store

            Puppet[:confdir] = "/sometthing/else"
            Puppet.settings.stubs(:value).returns "/some/file"
            Puppet.settings.stubs(:value).with(:hostcert).returns "/host/cert"
            Puppet.settings.stubs(:value).with(:localcacert).returns "/local/ca/cert"

            FileTest.stubs(:exist?).with("/host/cert").returns true
            FileTest.stubs(:exist?).with("/local/ca/cert").returns true

            Puppet::Network::HttpPool.stubs(:ssl_host).returns @host
        end

        after do
            Puppet.settings.clear
        end

        it "should do nothing if no host certificate is on disk" do
            FileTest.expects(:exist?).with("/host/cert").returns false
            @http.expects(:cert=).never
            Puppet::Network::HttpPool.cert_setup(@http)
        end

        it "should do nothing if no local certificate is on disk" do
            FileTest.expects(:exist?).with("/local/ca/cert").returns false
            @http.expects(:cert=).never
            Puppet::Network::HttpPool.cert_setup(@http)
        end

        it "should add a certificate store from the ssl host" do
            @http.expects(:cert_store=).with(@store)

            Puppet::Network::HttpPool.cert_setup(@http)
        end

        it "should add the client certificate" do
            @http.expects(:cert=).with("real_cert")

            Puppet::Network::HttpPool.cert_setup(@http)
        end

        it "should add the client key" do
            @http.expects(:key=).with("real_key")

            Puppet::Network::HttpPool.cert_setup(@http)
        end

        it "should set the verify mode to OpenSSL::SSL::VERIFY_PEER" do
            @http.expects(:verify_mode=).with(OpenSSL::SSL::VERIFY_PEER)

            Puppet::Network::HttpPool.cert_setup(@http)
        end

        it "should set the ca file" do
            Puppet.settings.stubs(:value).returns "/some/file"
            FileTest.stubs(:exist?).with(Puppet[:hostcert]).returns true

            Puppet.settings.stubs(:value).with(:localcacert).returns "/ca/cert/file"
            FileTest.stubs(:exist?).with("/ca/cert/file").returns true
            @http.expects(:ca_file=).with("/ca/cert/file")

            Puppet::Network::HttpPool.cert_setup(@http)
        end

        it "should set up certificate information when creating http instances" do
            Puppet::Network::HttpPool.expects(:cert_setup).with { |i| i.is_a?(Net::HTTP) }
            Puppet::Network::HttpPool.http_instance("one", "two")
        end
    end
end