require 'test_helper'

class FindDiscoveryRulesTest < ActiveSupport::TestCase
  include Foreman::Controller::DiscoveredExtensions

  setup do
    @facts = {
      "interfaces"       => "lo,eth0",
      "ipaddress"        => "192.168.100.42",
      "ipaddress_eth0"   => "192.168.100.42",
      "macaddress_eth0"  => "AA:BB:CC:DD:EE:FF",
      "discovery_bootif" => "AA:BB:CC:DD:EE:FF",
    }
  end

  test "no rule is found for empty rule set" do
    host = Host::Discovered.import_host_and_facts(@facts).first
    refute find_discovery_rule(host)
  end

  test "no rule is found out of one for a discovered host with no facts" do
    host = Host::Discovered.import_host_and_facts(@facts).first
    FactoryGirl.create(:discovery_rule, :search => "facts.foo = bar")
    refute find_discovery_rule(host)
  end

  test "no rule is found out of one for a discovered host with some facts" do
    host = Host::Discovered.import_host_and_facts(@facts).first
    FactoryGirl.create(:discovery_rule, :search => "facts.foo = doesnotexist")
    refute find_discovery_rule(host)
  end

  test "no rule is found out of two for a discovered host" do
    facts = @facts.merge({"somefact" => "abc"})
    host = Host::Discovered.import_host_and_facts(facts).first
    FactoryGirl.create(:discovery_rule, :priority => 1, :search => "facts.somefact = xxx")
    FactoryGirl.create(:discovery_rule, :priority => 2, :search => "facts.somefact = zzz")
    refute find_discovery_rule(host)
  end

  test "rule out of one is found for a discovered host" do
    facts = @facts.merge({"somefact" => "abc"})
    host = Host::Discovered.import_host_and_facts(facts).first
    r1 = FactoryGirl.create(:discovery_rule, :priority => 1, :search => "facts.somefact = abc")
    assert_equal find_discovery_rule(host), r1
  end

  test "first rule out of two is found for a discovered host" do
    facts = @facts.merge({"somefact" => "abc"})
    host = Host::Discovered.import_host_and_facts(facts).first
    r1 = FactoryGirl.create(:discovery_rule, :priority => 1, :search => "facts.somefact = abc")
    FactoryGirl.create(:discovery_rule, :priority => 2, :search => "facts.somefact = abc")
    assert_equal find_discovery_rule(host), r1
  end

  test "second rule out of two is found for a discovered host" do
    facts = @facts.merge({"somefact" => "abc"})
    host = Host::Discovered.import_host_and_facts(facts).first
    FactoryGirl.create(:discovery_rule, :priority => 1, :search => "facts.somefact = x")
    r2 = FactoryGirl.create(:discovery_rule, :priority => 2, :search => "facts.somefact = abc")
    assert_equal find_discovery_rule(host), r2
  end

  test "drained rule does not match for a discovered host" do
    facts = @facts.merge({"somefact" => "abc"})
    host = Host::Discovered.import_host_and_facts(facts).first
    r1 = FactoryGirl.create(:discovery_rule, :priority => 1, :search => "facts.somefact = abc", :max_count => 1)
    r2 = FactoryGirl.create(:discovery_rule, :priority => 2, :search => "facts.somefact = abc")
    FactoryGirl.create(:host, :discovery_rule => r1)
    assert_equal find_discovery_rule(host), r2
  end

  test "discovery rule is associated after auto provisioning" do
    facts = @facts.merge({"somefact" => "abc"})
    host = Host::Discovered.import_host_and_facts(facts).first
    r1 = FactoryGirl.create(:discovery_rule, :priority => 1, :search => "facts.somefact = abc")
    perform_auto_provision host, r1
    assert_equal host.primary_interface.managed, true
    assert_equal host.build, true
    assert_equal host.hostgroup_id, r1.hostgroup_id
    assert_equal host.discovery_rule_id, r1.id
  end

  test "rules with incorrect syntax are skipped" do
    facts = @facts.merge({"somefact" => "abc"})
    host = Host::Discovered.import_host_and_facts(facts).first
    FactoryGirl.create(:discovery_rule, :priority => 1, :search => '=!^$#@?x')
    r2 = FactoryGirl.create(:discovery_rule, :priority => 2, :search => "facts.somefact = abc")
    assert_equal find_discovery_rule(host), r2
  end

  test "hostname is copied after auto provisioning" do
    facts = @facts.merge({"somefact" => "abc"})
    host = Host::Discovered.import_host_and_facts(facts).first
    r1 = FactoryGirl.create(:discovery_rule, :priority => 1, :search => "facts.somefact = abc")
    perform_auto_provision host, r1
    assert_equal host.name, "macaabbccddeeff"
  end

  def setup_normal_renderer
    Setting[:safemode_render] = false
    @facts.merge!({"somefact" => "abc"})
  end

  def setup_safemode_renderer
    Setting[:safemode_render] = true
    @facts.merge!({"somefact" => "abc"})
  end

  [:normal_renderer, :safemode_renderer].each do |renderer_name|
    test "#{renderer_name} is properly configured" do
      send "setup_#{renderer_name}"
      if renderer_name == :normal_renderer
        assert Setting[:safemode_render] == false
      else
        assert Setting[:safemode_render] == true
      end
    end

    test "hostname falls back to original name on empty response via #{renderer_name}" do
      host = Host::Discovered.import_host_and_facts(@facts).first
      r1 = FactoryGirl.create(:discovery_rule,
                              :search => "facts.somefact = abc",
                              :hostname => '<%= "" %>')
      perform_auto_provision host, r1
      assert_equal "macaabbccddeeff", host.name
    end

    test "hostname is rendered after auto provisioning using #{renderer_name}" do
      host = Host::Discovered.import_host_and_facts(@facts).first
      r1 = FactoryGirl.create(:discovery_rule,
                              :search => "facts.somefact = abc",
                              :hostname => 'x<%= 1+1 %>')
      perform_auto_provision host, r1
      assert_equal "x2", host.name
    end

    test "function rand is renderer properly using #{renderer_name}" do
      host = Host::Discovered.import_host_and_facts(@facts).first
      r1 = FactoryGirl.create(:discovery_rule,
                              :search => "facts.somefact = abc",
                              :hostname => 'x<%= rand(4) %>')
      perform_auto_provision host, r1
      assert_match(/x[0123]/, host.name)
    end

    test "hostname attribute name is renderer properly using #{renderer_name}" do
      host = Host::Discovered.import_host_and_facts(@facts).first
      r1 = FactoryGirl.create(:discovery_rule,
                              :search => "facts.somefact = abc",
                              :hostname => 'x<%= @host.name %>')
      perform_auto_provision host, r1
      assert_equal "xmacaabbccddeeff", host.name
    end

    test "hostname attribute ip is renderer properly using #{renderer_name}" do
      host = Host::Discovered.import_host_and_facts(@facts).first
      r1 = FactoryGirl.create(:discovery_rule,
                              :search => "facts.somefact = abc",
                              :hostname => 'x<%= @host.ip.gsub(".","-") %>')
      perform_auto_provision host, r1
      assert_equal "x192-168-100-42", host.name
    end

    test "hostname attribute facts_hash is renderer properly using #{renderer_name}" do
      skip "until http://projects.theforeman.org/issues/2948 is fixed"
      host = Host::Discovered.import_host_and_facts(@facts).first
      r1 = FactoryGirl.create(:discovery_rule,
                              :search => "facts.somefact = abc",
                              :hostname => 'x<%= @host.facts["somefact"] %>')
      perform_auto_provision host, r1
      assert_equal "xabc", host.name
    end

  end

end