require File.dirname(__FILE__) + '/../test_helper'
require 'relation_controller'

# Re-raise errors caught by the controller.
class RelationController; def rescue_action(e) raise e end; end

class RelationControllerTest < Test::Unit::TestCase
  api_fixtures
  fixtures :relations, :current_relations, :relation_members, :current_relation_members, :relation_tags, :current_relation_tags
  set_fixture_class :current_relations => :Relation
  set_fixture_class :relations => :OldRelation

  def setup
    @controller = RelationController.new
    @request    = ActionController::TestRequest.new
    @response   = ActionController::TestResponse.new
  end

  def basic_authorization(user, pass)
    @request.env["HTTP_AUTHORIZATION"] = "Basic %s" % Base64.encode64("#{user}:#{pass}")
  end

  def content(c)
    @request.env["RAW_POST_DATA"] = c
  end

  # -------------------------------------
  # Test reading relations.
  # -------------------------------------

  def test_read
    # check that a visible relation is returned properly
    get :read, :id => current_relations(:visible_relation).id
    assert_response :success

    # check that an invisible relation is not returned
    get :read, :id => current_relations(:invisible_relation).id
    assert_response :gone

    # check chat a non-existent relation is not returned
    get :read, :id => 0
    assert_response :not_found

    # check the "relations for node" mode
    get :relations_for_node, :id => current_nodes(:node_used_by_relationship).id
    assert_response :success
    # FIXME check whether this contains the stuff we want!
    if $VERBOSE
        print @response.body
    end

    # check the "relations for way" mode
    get :relations_for_way, :id => current_ways(:used_way).id
    assert_response :success
    # FIXME check whether this contains the stuff we want!
    if $VERBOSE
        print @response.body
    end

    # check the "relations for relation" mode
    get :relations_for_relation, :id => current_relations(:used_relation).id
    assert_response :success
    # FIXME check whether this contains the stuff we want!
    if $VERBOSE
        print @response.body
    end

    # check the "full" mode
    get :full, :id => current_relations(:visible_relation).id
    assert_response :success
    # FIXME check whether this contains the stuff we want!
    if $VERBOSE
        print @response.body
    end
  end

  # -------------------------------------
  # Test simple relation creation.
  # -------------------------------------

  def test_create
    basic_authorization "test@openstreetmap.org", "test"

    # create an relation without members
    content "<osm><relation><tag k='test' v='yes' /></relation></osm>"
    put :create
    # hope for success
    assert_response :success, 
        "relation upload did not return success status"
    # read id of created relation and search for it
    relationid = @response.body
    checkrelation = Relation.find(relationid)
    assert_not_nil checkrelation, 
        "uploaded relation not found in data base after upload"
    # compare values
    assert_equal checkrelation.members.length, 0, 
        "saved relation contains members but should not"
    assert_equal checkrelation.tags.length, 1, 
        "saved relation does not contain exactly one tag"
    assert_equal users(:normal_user).id, checkrelation.user_id, 
        "saved relation does not belong to user that created it"
    assert_equal true, checkrelation.visible, 
        "saved relation is not visible"
    # ok the relation is there but can we also retrieve it?
    get :read, :id => relationid
    assert_response :success


    # create an relation with a node as member
    nid = current_nodes(:used_node_1).id
    content "<osm><relation><member type='node' ref='#{nid}' role='some'/>" +
        "<tag k='test' v='yes' /></relation></osm>"
    put :create
    # hope for success
    assert_response :success, 
        "relation upload did not return success status"
    # read id of created relation and search for it
    relationid = @response.body
    checkrelation = Relation.find(relationid)
    assert_not_nil checkrelation, 
        "uploaded relation not found in data base after upload"
    # compare values
    assert_equal checkrelation.members.length, 1, 
        "saved relation does not contain exactly one member"
    assert_equal checkrelation.tags.length, 1, 
        "saved relation does not contain exactly one tag"
    assert_equal users(:normal_user).id, checkrelation.user_id, 
        "saved relation does not belong to user that created it"
    assert_equal true, checkrelation.visible, 
        "saved relation is not visible"
    # ok the relation is there but can we also retrieve it?
    
    get :read, :id => relationid
    assert_response :success

    # create an relation with a way and a node as members
    nid = current_nodes(:used_node_1).id
    wid = current_ways(:used_way).id
    content "<osm><relation><member type='node' ref='#{nid}' role='some'/>" +
        "<member type='way' ref='#{wid}' role='other'/>" +
        "<tag k='test' v='yes' /></relation></osm>"
    put :create
    # hope for success
    assert_response :success, 
        "relation upload did not return success status"
    # read id of created relation and search for it
    relationid = @response.body
    checkrelation = Relation.find(relationid)
    assert_not_nil checkrelation, 
        "uploaded relation not found in data base after upload"
    # compare values
    assert_equal checkrelation.members.length, 2, 
        "saved relation does not have exactly two members"
    assert_equal checkrelation.tags.length, 1, 
        "saved relation does not contain exactly one tag"
    assert_equal users(:normal_user).id, checkrelation.user_id, 
        "saved relation does not belong to user that created it"
    assert_equal true, checkrelation.visible, 
        "saved relation is not visible"
    # ok the relation is there but can we also retrieve it?
    get :read, :id => relationid
    assert_response :success

  end

  # -------------------------------------
  # Test creating some invalid relations.
  # -------------------------------------

  def test_create_invalid
    basic_authorization "test@openstreetmap.org", "test"

    # create a relation with non-existing node as member
    content "<osm><relation><member type='node' ref='0'/><tag k='test' v='yes' /></relation></osm>"
    put :create
    # expect failure
    assert_response :precondition_failed, 
        "relation upload with invalid node did not return 'precondition failed'"
  end

  # -------------------------------------
  # Test deleting relations.
  # -------------------------------------
  
  def test_delete
  return true

    # first try to delete relation without auth
    delete :delete, :id => current_relations(:visible_relation).id
    assert_response :unauthorized

    # now set auth
    basic_authorization("test@openstreetmap.org", "test");  

    # this should work
    delete :delete, :id => current_relations(:visible_relation).id
    assert_response :success

    # this won't work since the relation is already deleted
    delete :delete, :id => current_relations(:invisible_relation).id
    assert_response :gone

    # this won't work since the relation never existed
    delete :delete, :id => 0
    assert_response :not_found
  end

end