Added test for relations_for_node where the relation had been deleted.

[rails.git] / test / functional / relation_controller_test.rb

diff --git a/test/functional/relation_controller_test.rb b/test/functional/relation_controller_test.rb
index b45c808747a6e1db29316b66a16a92cc4b0c763f..939a73df1e835d126b0a0350172f1e826de5a353 100644 (file)
--- a/test/functional/relation_controller_test.rb
+++ b/test/functional/relation_controller_test.rb
@@ -37,18 +37,34 @@ class RelationControllerTest < Test::Unit::TestCase
     # check chat a non-existent relation is not returned
     get :read, :id => 0
     assert_response :not_found
+  end
 
-    # check the "relations for node" mode
-    get :relations_for_node, :id => current_nodes(:node_used_by_relationship).id
+  ##
+  # check that all relations containing a particular node, and no extra
+  # relations, are returned from the relations_for_node call.
+  def test_relations_for_node
+    node_id = current_nodes(:node_used_by_relationship).id
+    
+    # fetch all the relations which contain that node
+    get :relations_for_node, :id => node_id
     assert_response :success
-    # FIXME check whether this contains the stuff we want!
-    # see the test_read in way_controller_test.rb for the assert_select
+
+    # count one osm element
     assert_select "osm[version=#{API_VERSION}][generator=\"OpenStreetMap server\"]", 1
-    assert_select "osm relation"
-    if $VERBOSE
-        print @response.body
+
+    # we should have only two relations
+    assert_select "osm>relation", 2
+
+    # and each of them should contain the node we originally searched for
+    [ :visible_relation, 
+      :used_relation ].each do |r|
+      relation_id = current_relations(r).id
+      assert_select "osm>relation#?", relation_id
+      assert_select "osm>relation#?>member[type=\"node\"][ref=#{node_id}]", relation_id
     end
+  end
 
+  def test_relations_for_way
     # check the "relations for way" mode
     get :relations_for_way, :id => current_ways(:used_way).id
     assert_response :success
@@ -56,7 +72,9 @@ class RelationControllerTest < Test::Unit::TestCase
     if $VERBOSE
         print @response.body
     end
+  end
 
+  def test_relations_for_relation
     # check the "relations for relation" mode
     get :relations_for_relation, :id => current_relations(:used_relation).id
     assert_response :success
@@ -64,7 +82,9 @@ class RelationControllerTest < Test::Unit::TestCase
     if $VERBOSE
         print @response.body
     end
+  end
 
+  def test_full
     # check the "full" mode
     get :full, :id => current_relations(:visible_relation).id
     assert_response :success
@@ -210,19 +230,73 @@ class RelationControllerTest < Test::Unit::TestCase
     delete :delete, :id => current_relations(:visible_relation).id
     assert_response :bad_request
 
+    # try to delete without specifying a changeset
+    content "<osm><relation id='#{current_relations(:visible_relation).id}'/></osm>"
+    delete :delete, :id => current_relations(:visible_relation).id
+    assert_response :conflict
+
+    # try to delete with an invalid (closed) changeset
+    content update_changeset(current_relations(:visible_relation).to_xml,
+                             changesets(:normal_user_closed_change).id)
+    delete :delete, :id => current_relations(:visible_relation).id
+    assert_response :conflict
+
+    # try to delete with an invalid (non-existent) changeset
+    content update_changeset(current_relations(:visible_relation).to_xml,0)
+    delete :delete, :id => current_relations(:visible_relation).id
+    assert_response :conflict
+
+    # this won't work because the relation is in-use by another relation
+    content(relations(:used_relation).to_xml)
+    delete :delete, :id => current_relations(:used_relation).id
+    assert_response :precondition_failed, 
+       "shouldn't be able to delete a relation used in a relation (#{@response.body})"
+
     # this should work when we provide the appropriate payload...
     content(relations(:visible_relation).to_xml)
     delete :delete, :id => current_relations(:visible_relation).id
     assert_response :success
 
+    # valid delete should return the new version number, which should
+    # be greater than the old version number
+    assert @response.body.to_i > current_relations(:visible_relation).version,
+       "delete request should return a new version number for relation"
+
     # this won't work since the relation is already deleted
     content(relations(:invisible_relation).to_xml)
     delete :delete, :id => current_relations(:invisible_relation).id
     assert_response :gone
 
+    # this works now because the relation which was using this one 
+    # has been deleted.
+    content(relations(:used_relation).to_xml)
+    delete :delete, :id => current_relations(:used_relation).id
+    assert_response :success, 
+       "should be able to delete a relation used in an old relation (#{@response.body})"
+
     # this won't work since the relation never existed
     delete :delete, :id => 0
     assert_response :not_found
   end
 
+  ##
+  # update the changeset_id of a node element
+  def update_changeset(xml, changeset_id)
+    xml_attr_rewrite(xml, 'changeset', changeset_id)
+  end
+
+  ##
+  # update an attribute in the node element
+  def xml_attr_rewrite(xml, name, value)
+    xml.find("//osm/relation").first[name] = value.to_s
+    return xml
+  end
+
+  ##
+  # parse some xml
+  def xml_parse(xml)
+    parser = XML::Parser.new
+    parser.string = xml
+    parser.parse
+  end
 end