Tests for PreconditionFailed error messages.

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

diff --git a/test/functional/changeset_controller_test.rb b/test/functional/changeset_controller_test.rb
index d81bf46b894adb7cbb90a6b01820a0528cddbf14..ce739b96c5cf5c217d8d3d46c9c6c11b2865d507 100644 (file)
--- a/test/functional/changeset_controller_test.rb
+++ b/test/functional/changeset_controller_test.rb
@@ -4,21 +4,21 @@ require 'changeset_controller'
 class ChangesetControllerTest < ActionController::TestCase
   api_fixtures
 
 class ChangesetControllerTest < ActionController::TestCase
   api_fixtures
 

-  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.to_s
-  end
-  

   # -----------------------
   # Test simple changeset creation
   # -----------------------
   
   def test_create
   # -----------------------
   # Test simple changeset creation
   # -----------------------
   
   def test_create

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:normal_user).email, "test"
+    # Create the first user's changeset
+    content "<osm><changeset>" +
+      "<tag k='created_by' v='osm test suite checking changesets'/>" + 
+      "</changeset></osm>"
+    put :create
+    assert_require_public_data
+    

     
     

+    basic_authorization users(:public_user).email, "test"

     # Create the first user's changeset
     content "<osm><changeset>" +
       "<tag k='created_by' v='osm test suite checking changesets'/>" + 
     # Create the first user's changeset
     content "<osm><changeset>" +
       "<tag k='created_by' v='osm test suite checking changesets'/>" + 


@@ -26,16 +26,63 @@ class ChangesetControllerTest < ActionController::TestCase
     put :create
     
     assert_response :success, "Creation of changeset did not return sucess status"
     put :create
     
     assert_response :success, "Creation of changeset did not return sucess status"

-    newid = @response.body
+    newid = @response.body.to_i
+
+    # check end time, should be an hour ahead of creation time
+    cs = Changeset.find(newid)
+    duration = cs.closed_at - cs.created_at
+    # the difference can either be a rational, or a floating point number
+    # of seconds, depending on the code path taken :-(
+    if duration.class == Rational
+      assert_equal Rational(1,24), duration , "initial idle timeout should be an hour (#{cs.created_at} -> #{cs.closed_at})"
+    else
+      # must be number of seconds...
+      assert_equal 3600, duration.round, "initial idle timeout should be an hour (#{cs.created_at} -> #{cs.closed_at})"
+    end

   end
   
   def test_create_invalid
   end
   
   def test_create_invalid

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:normal_user).email, "test"
+    content "<osm><changeset></osm>"
+    put :create
+    assert_require_public_data
+
+    ## Try the public user
+    basic_authorization users(:public_user).email, "test"

     content "<osm><changeset></osm>"
     put :create
     assert_response :bad_request, "creating a invalid changeset should fail"
   end
 
     content "<osm><changeset></osm>"
     put :create
     assert_response :bad_request, "creating a invalid changeset should fail"
   end
 

+  def test_create_invalid_no_content
+    ## First check with no auth
+    put :create
+    assert_response :unauthorized, "shouldn't be able to create a changeset with no auth"
+    
+    ## Now try to with the non-public user
+    basic_authorization users(:normal_user).email, "test"
+    put :create
+    assert_require_public_data
+    
+    ## Try the inactive user
+    basic_authorization users(:inactive_user).email, "test"
+    put :create
+    assert_inactive_user
+    
+    ## Now try to use the public user
+    basic_authorization users(:public_user).email, "test"
+    put :create
+    assert_response :bad_request, "creating a changeset with no content should fail"
+  end
+  
+  def test_create_wrong_method
+    basic_authorization users(:public_user).email, "test"
+    get :create
+    assert_response :method_not_allowed
+    post :create
+    assert_response :method_not_allowed
+  end
+    

   ##
   # check that the changeset can be read and returns the correct
   # document structure.
   ##
   # check that the changeset can be read and returns the correct
   # document structure.


@@ -48,28 +95,95 @@ class ChangesetControllerTest < ActionController::TestCase
     assert_select "osm>changeset[id=#{changeset_id}]", 1
   end
   
     assert_select "osm>changeset[id=#{changeset_id}]", 1
   end
   

+  ##
+  # test that the user who opened a change can close it

   def test_close
   def test_close

-    # FIXME FIXME FIXME!
+    ## Try without authentication
+    put :close, :id => changesets(:public_user_first_change).id
+    assert_response :unauthorized
+    
+    
+    ## Try using the non-public user
+    basic_authorization users(:normal_user).email, "test"
+    put :close, :id => changesets(:normal_user_first_change).id
+    assert_require_public_data
+    
+    
+    ## The try with the public user
+    basic_authorization users(:public_user).email, "test"
+
+    cs_id = changesets(:public_user_first_change).id
+    put :close, :id => cs_id
+    assert_response :success
+
+    # test that it really is closed now
+    cs = Changeset.find(cs_id)
+    assert(!cs.is_open?, 
+           "changeset should be closed now (#{cs.closed_at} > #{Time.now}.")
+  end
+
+  ##
+  # test that a different user can't close another user's changeset
+  def test_close_invalid
+    basic_authorization users(:public_user).email, "test"
+
+    put :close, :id => changesets(:normal_user_first_change).id
+    assert_response :conflict
+    assert_equal "The user doesn't own that changeset", @response.body

   end
 
   ##
   # upload something simple, but valid and check that it can 
   end
 
   ##
   # upload something simple, but valid and check that it can 

-  # be read back ok.
+  # be read back ok
+  # Also try without auth and another user.

   def test_upload_simple_valid
   def test_upload_simple_valid

-    basic_authorization "test@openstreetmap.org", "test"
+    ## Try with no auth
+    changeset_id = changesets(:public_user_first_change).id
+
+    # simple diff to change a node, way and relation by removing 
+    # their tags
+    diff = <<EOF
+<osmChange>
+ <modify>
+  <node id='1' lon='0' lat='0' changeset='#{changeset_id}' version='1'/>
+  <way id='1' changeset='#{changeset_id}' version='1'>
+   <nd ref='3'/>
+  </way>
+ </modify>
+ <modify>
+  <relation id='1' changeset='#{changeset_id}' version='1'>
+   <member type='way' role='some' ref='3'/>
+   <member type='node' role='some' ref='5'/>
+   <member type='relation' role='some' ref='3'/>
+  </relation>
+ </modify>
+</osmChange>
+EOF
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :unauthorized, 
+      "shouldnn't be able to upload a simple valid diff to changeset: #{@response.body}"
+      
+      
+    
+    ## Now try with a private user
+    basic_authorization users(:normal_user).email, "test"
+    changeset_id = changesets(:normal_user_first_change).id

 
     # simple diff to change a node, way and relation by removing 
     # their tags
     diff = <<EOF
 <osmChange>
  <modify>
 
     # simple diff to change a node, way and relation by removing 
     # their tags
     diff = <<EOF
 <osmChange>
  <modify>

-  <node id='1' lon='0' lat='0' changeset='1' version='1'/>
-  <way id='1' changeset='1' version='1'>
+  <node id='1' lon='0' lat='0' changeset='#{changeset_id}' version='1'/>
+  <way id='1' changeset='#{changeset_id}' version='1'>

    <nd ref='3'/>
   </way>
  </modify>
  <modify>
    <nd ref='3'/>
   </way>
  </modify>
  <modify>

-  <relation id='1' changeset='1' version='1'>
+  <relation id='1' changeset='#{changeset_id}' version='1'>

    <member type='way' role='some' ref='3'/>
    <member type='node' role='some' ref='5'/>
    <member type='relation' role='some' ref='3'/>
    <member type='way' role='some' ref='3'/>
    <member type='node' role='some' ref='5'/>
    <member type='relation' role='some' ref='3'/>


@@ -80,7 +194,39 @@ EOF
 
     # upload it
     content diff
 
     # upload it
     content diff

-    post :upload, :id => 1
+    post :upload, :id => changeset_id
+    assert_response :forbidden, 
+      "can't upload a simple valid diff to changeset: #{@response.body}"    
+    
+      
+      
+    ## Now try with the public user
+    basic_authorization users(:public_user).email, "test"
+    changeset_id = changesets(:public_user_first_change).id
+
+    # simple diff to change a node, way and relation by removing 
+    # their tags
+    diff = <<EOF
+<osmChange>
+ <modify>
+  <node id='1' lon='0' lat='0' changeset='#{changeset_id}' version='1'/>
+  <way id='1' changeset='#{changeset_id}' version='1'>
+   <nd ref='3'/>
+  </way>
+ </modify>
+ <modify>
+  <relation id='1' changeset='#{changeset_id}' version='1'>
+   <member type='way' role='some' ref='3'/>
+   <member type='node' role='some' ref='5'/>
+   <member type='relation' role='some' ref='3'/>
+  </relation>
+ </modify>
+</osmChange>
+EOF
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id

     assert_response :success, 
       "can't upload a simple valid diff to changeset: #{@response.body}"
 
     assert_response :success, 
       "can't upload a simple valid diff to changeset: #{@response.body}"
 


@@ -93,22 +239,23 @@ EOF
   ##
   # upload something which creates new objects using placeholders
   def test_upload_create_valid
   ##
   # upload something which creates new objects using placeholders
   def test_upload_create_valid

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).email, "test"
+    cs_id = changesets(:public_user_first_change).id

 
     # simple diff to create a node way and relation using placeholders
     diff = <<EOF
 <osmChange>
  <create>
 
     # simple diff to create a node way and relation using placeholders
     diff = <<EOF
 <osmChange>
  <create>

-  <node id='-1' lon='0' lat='0' changeset='1'>
+  <node id='-1' lon='0' lat='0' changeset='#{cs_id}'>

    <tag k='foo' v='bar'/>
    <tag k='baz' v='bat'/>
   </node>
    <tag k='foo' v='bar'/>
    <tag k='baz' v='bat'/>
   </node>

-  <way id='-1' changeset='1'>
+  <way id='-1' changeset='#{cs_id}'>

    <nd ref='3'/>
   </way>
  </create>
  <create>
    <nd ref='3'/>
   </way>
  </create>
  <create>

-  <relation id='-1' changeset='1'>
+  <relation id='-1' changeset='#{cs_id}'>

    <member type='way' role='some' ref='3'/>
    <member type='node' role='some' ref='5'/>
    <member type='relation' role='some' ref='3'/>
    <member type='way' role='some' ref='3'/>
    <member type='node' role='some' ref='5'/>
    <member type='relation' role='some' ref='3'/>


@@ -119,7 +266,7 @@ EOF
 
     # upload it
     content diff
 
     # upload it
     content diff

-    post :upload, :id => 1
+    post :upload, :id => cs_id

     assert_response :success, 
       "can't upload a simple valid creation to changeset: #{@response.body}"
 
     assert_response :success, 
       "can't upload a simple valid creation to changeset: #{@response.body}"
 


@@ -155,7 +302,7 @@ EOF
   # test a complex delete where we delete elements which rely on eachother
   # in the same transaction.
   def test_upload_delete
   # test a complex delete where we delete elements which rely on eachother
   # in the same transaction.
   def test_upload_delete

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).display_name, "test"

 
     diff = XML::Document.new
     diff.root = XML::Node.new "osmChange"
 
     diff = XML::Document.new
     diff.root = XML::Node.new "osmChange"


@@ -166,12 +313,25 @@ EOF
     delete << current_ways(:used_way).to_xml_node
     delete << current_nodes(:node_used_by_relationship).to_xml_node
 
     delete << current_ways(:used_way).to_xml_node
     delete << current_nodes(:node_used_by_relationship).to_xml_node
 

+    # update the changeset to one that this user owns
+    changeset_id = changesets(:public_user_first_change).id
+    ["node", "way", "relation"].each do |type|
+      delete.find("//osmChange/delete/#{type}").each do |n| 
+        n['changeset'] = changeset_id.to_s 
+      end
+    end
+

     # upload it
     content diff
     # upload it
     content diff

-    post :upload, :id => 1
+    post :upload, :id => changeset_id

     assert_response :success, 
       "can't upload a deletion diff to changeset: #{@response.body}"
 
     assert_response :success, 
       "can't upload a deletion diff to changeset: #{@response.body}"
 

+    # check the response is well-formed
+    assert_select "diffResult>node", 1
+    assert_select "diffResult>way", 1
+    assert_select "diffResult>relation", 2
+

     # check that everything was deleted
     assert_equal false, Node.find(current_nodes(:node_used_by_relationship).id).visible
     assert_equal false, Way.find(current_ways(:used_way).id).visible
     # check that everything was deleted
     assert_equal false, Node.find(current_nodes(:node_used_by_relationship).id).visible
     assert_equal false, Way.find(current_ways(:used_way).id).visible


@@ -179,25 +339,65 @@ EOF
     assert_equal false, Relation.find(current_relations(:used_relation).id).visible
   end
 
     assert_equal false, Relation.find(current_relations(:used_relation).id).visible
   end
 

+  ##
+  # test uploading a delete with no lat/lon, as they are optional in
+  # the osmChange spec.
+  def test_upload_nolatlon_delete
+    basic_authorization users(:public_user).display_name, "test"
+
+    node = current_nodes(:public_visible_node)
+    cs = changesets(:public_user_first_change)
+    diff = "<osmChange><delete><node id='#{node.id}' version='#{node.version}' changeset='#{cs.id}'/></delete></osmChange>"
+
+    # upload it
+    content diff
+    post :upload, :id => cs.id
+    assert_response :success, 
+      "can't upload a deletion diff to changeset: #{@response.body}"
+
+    # check the response is well-formed
+    assert_select "diffResult>node", 1
+
+    # check that everything was deleted
+    assert_equal false, Node.find(node.id).visible
+  end
+
+  def test_repeated_changeset_create
+    30.times do
+      basic_authorization users(:public_user).email, "test"
+    
+      # create a temporary changeset
+      content "<osm><changeset>" +
+        "<tag k='created_by' v='osm test suite checking changesets'/>" + 
+        "</changeset></osm>"
+      assert_difference('Changeset.count', 1) do
+        put :create
+      end
+      assert_response :success
+      changeset_id = @response.body.to_i
+    end
+  end
+

   ##
   # test that deleting stuff in a transaction doesn't bypass the checks
   # to ensure that used elements are not deleted.
   def test_upload_delete_invalid
   ##
   # test that deleting stuff in a transaction doesn't bypass the checks
   # to ensure that used elements are not deleted.
   def test_upload_delete_invalid

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).email, "test"

 
     diff = XML::Document.new
     diff.root = XML::Node.new "osmChange"
     delete = XML::Node.new "delete"
     diff.root << delete
 
     diff = XML::Document.new
     diff.root = XML::Node.new "osmChange"
     delete = XML::Node.new "delete"
     diff.root << delete

-    delete << current_relations(:visible_relation).to_xml_node
+    delete << current_relations(:public_visible_relation).to_xml_node

     delete << current_ways(:used_way).to_xml_node
     delete << current_nodes(:node_used_by_relationship).to_xml_node
 
     # upload it
     content diff
     delete << current_ways(:used_way).to_xml_node
     delete << current_nodes(:node_used_by_relationship).to_xml_node
 
     # upload it
     content diff

-    post :upload, :id => 1
+    post :upload, :id => 2

     assert_response :precondition_failed, 
       "shouldn't be able to upload a invalid deletion diff: #{@response.body}"
     assert_response :precondition_failed, 
       "shouldn't be able to upload a invalid deletion diff: #{@response.body}"

+    assert_equal "Precondition failed: Way 3 still used by relation 1.", @response.body

 
     # check that nothing was, in fact, deleted
     assert_equal true, Node.find(current_nodes(:node_used_by_relationship).id).visible
 
     # check that nothing was, in fact, deleted
     assert_equal true, Node.find(current_nodes(:node_used_by_relationship).id).visible


@@ -209,23 +409,24 @@ EOF
   # upload something which creates new objects and inserts them into
   # existing containers using placeholders.
   def test_upload_complex
   # upload something which creates new objects and inserts them into
   # existing containers using placeholders.
   def test_upload_complex

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).email, "test"
+    cs_id = changesets(:public_user_first_change).id

 
     # simple diff to create a node way and relation using placeholders
     diff = <<EOF
 <osmChange>
  <create>
 
     # simple diff to create a node way and relation using placeholders
     diff = <<EOF
 <osmChange>
  <create>

-  <node id='-1' lon='0' lat='0' changeset='1'>
+  <node id='-1' lon='0' lat='0' changeset='#{cs_id}'>

    <tag k='foo' v='bar'/>
    <tag k='baz' v='bat'/>
   </node>
  </create>
  <modify>
    <tag k='foo' v='bar'/>
    <tag k='baz' v='bat'/>
   </node>
  </create>
  <modify>

-  <way id='1' changeset='1' version='1'>
+  <way id='1' changeset='#{cs_id}' version='1'>

    <nd ref='-1'/>
    <nd ref='3'/>
   </way>
    <nd ref='-1'/>
    <nd ref='3'/>
   </way>

-  <relation id='1' changeset='1' version='1'>
+  <relation id='1' changeset='#{cs_id}' version='1'>

    <member type='way' role='some' ref='3'/>
    <member type='node' role='some' ref='-1'/>
    <member type='relation' role='some' ref='3'/>
    <member type='way' role='some' ref='3'/>
    <member type='node' role='some' ref='-1'/>
    <member type='relation' role='some' ref='3'/>


@@ -236,7 +437,7 @@ EOF
 
     # upload it
     content diff
 
     # upload it
     content diff

-    post :upload, :id => 1
+    post :upload, :id => cs_id

     assert_response :success, 
       "can't upload a complex diff to changeset: #{@response.body}"
 
     assert_response :success, 
       "can't upload a complex diff to changeset: #{@response.body}"
 


@@ -264,26 +465,27 @@ EOF
   # create a diff which references several changesets, which should cause
   # a rollback and none of the diff gets committed
   def test_upload_invalid_changesets
   # create a diff which references several changesets, which should cause
   # a rollback and none of the diff gets committed
   def test_upload_invalid_changesets

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).email, "test"
+    cs_id = changesets(:public_user_first_change).id

 
     # simple diff to create a node way and relation using placeholders
     diff = <<EOF
 <osmChange>
  <modify>
 
     # simple diff to create a node way and relation using placeholders
     diff = <<EOF
 <osmChange>
  <modify>

-  <node id='1' lon='0' lat='0' changeset='1' version='1'/>
-  <way id='1' changeset='1' version='1'>
+  <node id='1' lon='0' lat='0' changeset='#{cs_id}' version='1'/>
+  <way id='1' changeset='#{cs_id}' version='1'>

    <nd ref='3'/>
   </way>
  </modify>
  <modify>
    <nd ref='3'/>
   </way>
  </modify>
  <modify>

-  <relation id='1' changeset='1' version='1'>
+  <relation id='1' changeset='#{cs_id}' version='1'>

    <member type='way' role='some' ref='3'/>
    <member type='node' role='some' ref='5'/>
    <member type='relation' role='some' ref='3'/>
   </relation>
  </modify>
  <create>
    <member type='way' role='some' ref='3'/>
    <member type='node' role='some' ref='5'/>
    <member type='relation' role='some' ref='3'/>
   </relation>
  </modify>
  <create>

-  <node id='-1' changeset='4'>
+  <node id='-1' lon='0' lat='0' changeset='4'>

    <tag k='foo' v='bar'/>
    <tag k='baz' v='bat'/>
   </node>
    <tag k='foo' v='bar'/>
    <tag k='baz' v='bat'/>
   </node>


@@ -297,7 +499,7 @@ EOF
 
     # upload it
     content diff
 
     # upload it
     content diff

-    post :upload, :id => 1
+    post :upload, :id => cs_id

     assert_response :conflict, 
       "uploading a diff with multiple changsets should have failed"
 
     assert_response :conflict, 
       "uploading a diff with multiple changsets should have failed"
 


@@ -309,7 +511,8 @@ EOF
   ##
   # upload multiple versions of the same element in the same diff.
   def test_upload_multiple_valid
   ##
   # upload multiple versions of the same element in the same diff.
   def test_upload_multiple_valid

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).email, "test"
+    cs_id = changesets(:public_user_first_change).id

 
     # change the location of a node multiple times, each time referencing
     # the last version. doesn't this depend on version numbers being
 
     # change the location of a node multiple times, each time referencing
     # the last version. doesn't this depend on version numbers being


@@ -317,43 +520,49 @@ EOF
     diff = <<EOF
 <osmChange>
  <modify>
     diff = <<EOF
 <osmChange>
  <modify>

-  <node id='1' lon='0' lat='0' changeset='1' version='1'/>
-  <node id='1' lon='1' lat='0' changeset='1' version='2'/>
-  <node id='1' lon='1' lat='1' changeset='1' version='3'/>
-  <node id='1' lon='1' lat='2' changeset='1' version='4'/>
-  <node id='1' lon='2' lat='2' changeset='1' version='5'/>
-  <node id='1' lon='3' lat='2' changeset='1' version='6'/>
-  <node id='1' lon='3' lat='3' changeset='1' version='7'/>
-  <node id='1' lon='9' lat='9' changeset='1' version='8'/>
+  <node id='1' lon='0' lat='0' changeset='#{cs_id}' version='1'/>
+  <node id='1' lon='1' lat='0' changeset='#{cs_id}' version='2'/>
+  <node id='1' lon='1' lat='1' changeset='#{cs_id}' version='3'/>
+  <node id='1' lon='1' lat='2' changeset='#{cs_id}' version='4'/>
+  <node id='1' lon='2' lat='2' changeset='#{cs_id}' version='5'/>
+  <node id='1' lon='3' lat='2' changeset='#{cs_id}' version='6'/>
+  <node id='1' lon='3' lat='3' changeset='#{cs_id}' version='7'/>
+  <node id='1' lon='9' lat='9' changeset='#{cs_id}' version='8'/>

  </modify>
 </osmChange>
 EOF
 
     # upload it
     content diff
  </modify>
 </osmChange>
 EOF
 
     # upload it
     content diff

-    post :upload, :id => 1
+    post :upload, :id => cs_id

     assert_response :success, 
       "can't upload multiple versions of an element in a diff: #{@response.body}"
     assert_response :success, 
       "can't upload multiple versions of an element in a diff: #{@response.body}"

+    
+    # check the response is well-formed. its counter-intuitive, but the
+    # API will return multiple elements with the same ID and different
+    # version numbers for each change we made.
+    assert_select "diffResult>node", 8

   end
 
   ##
   # upload multiple versions of the same element in the same diff, but
   # keep the version numbers the same.
   def test_upload_multiple_duplicate
   end
 
   ##
   # upload multiple versions of the same element in the same diff, but
   # keep the version numbers the same.
   def test_upload_multiple_duplicate

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).email, "test"
+    cs_id = changesets(:public_user_first_change).id

 
     diff = <<EOF
 <osmChange>
  <modify>
 
     diff = <<EOF
 <osmChange>
  <modify>

-  <node id='1' lon='0' lat='0' changeset='1' version='1'/>
-  <node id='1' lon='1' lat='1' changeset='1' version='1'/>
+  <node id='1' lon='0' lat='0' changeset='#{cs_id}' version='1'/>
+  <node id='1' lon='1' lat='1' changeset='#{cs_id}' version='1'/>

  </modify>
 </osmChange>
 EOF
 
     # upload it
     content diff
  </modify>
 </osmChange>
 EOF
 
     # upload it
     content diff

-    post :upload, :id => 1
+    post :upload, :id => cs_id

     assert_response :conflict, 
       "shouldn't be able to upload the same element twice in a diff: #{@response.body}"
   end
     assert_response :conflict, 
       "shouldn't be able to upload the same element twice in a diff: #{@response.body}"
   end


@@ -361,19 +570,20 @@ EOF
   ##
   # try to upload some elements without specifying the version
   def test_upload_missing_version
   ##
   # try to upload some elements without specifying the version
   def test_upload_missing_version

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).email, "test"
+    cs_id = changesets(:public_user_first_change).id

 
     diff = <<EOF
 <osmChange>
  <modify>
 
     diff = <<EOF
 <osmChange>
  <modify>

-  <node id='1' lon='1' lat='1' changeset='1'/>
+ <node id='1' lon='1' lat='1' changeset='cs_id'/>

  </modify>
 </osmChange>
 EOF
 
     # upload it
     content diff
  </modify>
 </osmChange>
 EOF
 
     # upload it
     content diff

-    post :upload, :id => 1
+    post :upload, :id => cs_id

     assert_response :bad_request, 
       "shouldn't be able to upload an element without version: #{@response.body}"
   end
     assert_response :bad_request, 
       "shouldn't be able to upload an element without version: #{@response.body}"
   end


@@ -381,27 +591,341 @@ EOF
   ##
   # try to upload with commands other than create, modify, or delete
   def test_action_upload_invalid
   ##
   # try to upload with commands other than create, modify, or delete
   def test_action_upload_invalid

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).email, "test"
+    cs_id = changesets(:public_user_first_change).id

     
     diff = <<EOF
 <osmChange>
   <ping>
     
     diff = <<EOF
 <osmChange>
   <ping>

-    <node id='1' lon='1' lat='1' changeset='1' />
+   <node id='1' lon='1' lat='1' changeset='#{cs_id}' />

   </ping>
 </osmChange>
 EOF
   content diff
   </ping>
 </osmChange>
 EOF
   content diff

-  post :upload, :id => 1
+  post :upload, :id => cs_id

   assert_response :bad_request, "Shouldn't be able to upload a diff with the action ping"
   assert_equal @response.body, "Unknown action ping, choices are create, modify, delete."
   end
 
   assert_response :bad_request, "Shouldn't be able to upload a diff with the action ping"
   assert_equal @response.body, "Unknown action ping, choices are create, modify, delete."
   end
 

+  ##
+  # upload a valid changeset which has a mixture of whitespace
+  # to check a bug reported by ivansanchez (#1565).
+  def test_upload_whitespace_valid
+    basic_authorization users(:public_user).email, "test"
+    changeset_id = changesets(:public_user_first_change).id
+
+    diff = <<EOF
+<osmChange>
+ <modify><node id='1' lon='0' lat='0' changeset='#{changeset_id}' 
+  version='1'></node>
+  <node id='1' lon='1' lat='1' changeset='#{changeset_id}' version='2'><tag k='k' v='v'/></node></modify>
+ <modify>
+ <relation id='1' changeset='#{changeset_id}' version='1'><member 
+   type='way' role='some' ref='3'/><member 
+    type='node' role='some' ref='5'/>
+   <member type='relation' role='some' ref='3'/>
+  </relation>
+ </modify></osmChange>
+EOF
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :success, 
+      "can't upload a valid diff with whitespace variations to changeset: #{@response.body}"
+
+    # check the response is well-formed
+    assert_select "diffResult>node", 2
+    assert_select "diffResult>relation", 1
+
+    # check that the changes made it into the database
+    assert_equal 1, Node.find(1).tags.size, "node 1 should now have one tag"
+    assert_equal 0, Relation.find(1).tags.size, "relation 1 should now have no tags"
+  end
+
+  ##
+  # upload a valid changeset which has a mixture of whitespace
+  # to check a bug reported by ivansanchez.
+  def test_upload_reuse_placeholder_valid
+    basic_authorization users(:public_user).email, "test"
+    changeset_id = changesets(:public_user_first_change).id
+
+    diff = <<EOF
+<osmChange>
+ <create>
+  <node id='-1' lon='0' lat='0' changeset='#{changeset_id}'>
+   <tag k="foo" v="bar"/>
+  </node>
+ </create>
+ <modify>
+  <node id='-1' lon='1' lat='1' changeset='#{changeset_id}' version='1'/>
+ </modify>
+ <delete>
+  <node id='-1' lon='2' lat='2' changeset='#{changeset_id}' version='2'/>
+ </delete>
+</osmChange>
+EOF
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :success, 
+      "can't upload a valid diff with re-used placeholders to changeset: #{@response.body}"
+
+    # check the response is well-formed
+    assert_select "diffResult>node", 3
+    assert_select "diffResult>node[old_id=-1]", 3
+  end
+
+  ##
+  # test what happens if a diff upload re-uses placeholder IDs in an
+  # illegal way.
+  def test_upload_placeholder_invalid
+    basic_authorization users(:public_user).email, "test"
+    changeset_id = changesets(:public_user_first_change).id
+
+    diff = <<EOF
+<osmChange>
+ <create>
+  <node id='-1' lon='0' lat='0' changeset='#{changeset_id}' version='1'/>
+  <node id='-1' lon='1' lat='1' changeset='#{changeset_id}' version='1'/>
+  <node id='-1' lon='2' lat='2' changeset='#{changeset_id}' version='2'/>
+ </create>
+</osmChange>
+EOF
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :bad_request, 
+      "shouldn't be able to re-use placeholder IDs"
+  end
+
+  ##
+  # test that uploading a way referencing invalid placeholders gives a 
+  # proper error, not a 500.
+  def test_upload_placeholder_invalid_way
+    basic_authorization users(:public_user).email, "test"
+    changeset_id = changesets(:public_user_first_change).id
+
+    diff = <<EOF
+<osmChange>
+ <create>
+  <node id="-1" lon="0" lat="0" changeset="#{changeset_id}" version="1"/>
+  <node id="-2" lon="1" lat="1" changeset="#{changeset_id}" version="1"/>
+  <node id="-3" lon="2" lat="2" changeset="#{changeset_id}" version="1"/>
+  <way id="-1" changeset="#{changeset_id}" version="1">
+   <nd ref="-1"/>
+   <nd ref="-2"/>
+   <nd ref="-3"/>
+   <nd ref="-4"/>
+  </way>
+ </create>
+</osmChange>
+EOF
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :bad_request, 
+      "shouldn't be able to use invalid placeholder IDs"
+    assert_equal "Placeholder node not found for reference -4 in way -1", @response.body
+
+    # the same again, but this time use an existing way
+    diff = <<EOF
+<osmChange>
+ <create>
+  <node id="-1" lon="0" lat="0" changeset="#{changeset_id}" version="1"/>
+  <node id="-2" lon="1" lat="1" changeset="#{changeset_id}" version="1"/>
+  <node id="-3" lon="2" lat="2" changeset="#{changeset_id}" version="1"/>
+  <way id="1" changeset="#{changeset_id}" version="1">
+   <nd ref="-1"/>
+   <nd ref="-2"/>
+   <nd ref="-3"/>
+   <nd ref="-4"/>
+  </way>
+ </create>
+</osmChange>
+EOF
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :bad_request, 
+      "shouldn't be able to use invalid placeholder IDs"
+    assert_equal "Placeholder node not found for reference -4 in way 1", @response.body
+  end
+
+  ##
+  # test that uploading a relation referencing invalid placeholders gives a 
+  # proper error, not a 500.
+  def test_upload_placeholder_invalid_relation
+    basic_authorization users(:public_user).email, "test"
+    changeset_id = changesets(:public_user_first_change).id
+
+    diff = <<EOF
+<osmChange>
+ <create>
+  <node id="-1" lon="0" lat="0" changeset="#{changeset_id}" version="1"/>
+  <node id="-2" lon="1" lat="1" changeset="#{changeset_id}" version="1"/>
+  <node id="-3" lon="2" lat="2" changeset="#{changeset_id}" version="1"/>
+  <relation id="-1" changeset="#{changeset_id}" version="1">
+   <member type="node" role="foo" ref="-1"/>
+   <member type="node" role="foo" ref="-2"/>
+   <member type="node" role="foo" ref="-3"/>
+   <member type="node" role="foo" ref="-4"/>
+  </relation>
+ </create>
+</osmChange>
+EOF
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :bad_request, 
+      "shouldn't be able to use invalid placeholder IDs"
+    assert_equal "Placeholder Node not found for reference -4 in relation -1.", @response.body
+
+    # the same again, but this time use an existing way
+    diff = <<EOF
+<osmChange>
+ <create>
+  <node id="-1" lon="0" lat="0" changeset="#{changeset_id}" version="1"/>
+  <node id="-2" lon="1" lat="1" changeset="#{changeset_id}" version="1"/>
+  <node id="-3" lon="2" lat="2" changeset="#{changeset_id}" version="1"/>
+  <relation id="1" changeset="#{changeset_id}" version="1">
+   <member type="node" role="foo" ref="-1"/>
+   <member type="node" role="foo" ref="-2"/>
+   <member type="node" role="foo" ref="-3"/>
+   <member type="way" role="bar" ref="-1"/>
+  </relation>
+ </create>
+</osmChange>
+EOF
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :bad_request, 
+      "shouldn't be able to use invalid placeholder IDs"
+    assert_equal "Placeholder Way not found for reference -1 in relation 1.", @response.body
+  end
+
+  ##
+  # test what happens if a diff is uploaded containing only a node
+  # move.
+  def test_upload_node_move
+    basic_authorization users(:public_user).email, "test"
+
+    content "<osm><changeset>" +
+      "<tag k='created_by' v='osm test suite checking changesets'/>" + 
+      "</changeset></osm>"
+    put :create
+    assert_response :success
+    changeset_id = @response.body.to_i
+
+    old_node = current_nodes(:visible_node)
+
+    diff = XML::Document.new
+    diff.root = XML::Node.new "osmChange"
+    modify = XML::Node.new "modify"
+    xml_old_node = old_node.to_xml_node
+    xml_old_node["lat"] = (2.0).to_s
+    xml_old_node["lon"] = (2.0).to_s
+    xml_old_node["changeset"] = changeset_id.to_s
+    modify << xml_old_node
+    diff.root << modify
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :success, 
+      "diff should have uploaded OK"
+
+    # check the bbox
+    changeset = Changeset.find(changeset_id)
+    assert_equal 1*SCALE, changeset.min_lon, "min_lon should be 1 degree"
+    assert_equal 2*SCALE, changeset.max_lon, "max_lon should be 2 degrees"
+    assert_equal 1*SCALE, changeset.min_lat, "min_lat should be 1 degree"
+    assert_equal 2*SCALE, changeset.max_lat, "max_lat should be 2 degrees"
+  end
+
+  ##
+  # test what happens if a diff is uploaded adding a node to a way.
+  def test_upload_way_extend
+    basic_authorization users(:public_user).email, "test"
+
+    content "<osm><changeset>" +
+      "<tag k='created_by' v='osm test suite checking changesets'/>" + 
+      "</changeset></osm>"
+    put :create
+    assert_response :success
+    changeset_id = @response.body.to_i
+
+    old_way = current_ways(:visible_way)
+
+    diff = XML::Document.new
+    diff.root = XML::Node.new "osmChange"
+    modify = XML::Node.new "modify"
+    xml_old_way = old_way.to_xml_node
+    nd_ref = XML::Node.new "nd"
+    nd_ref["ref"] = current_nodes(:visible_node).id.to_s
+    xml_old_way << nd_ref
+    xml_old_way["changeset"] = changeset_id.to_s
+    modify << xml_old_way
+    diff.root << modify
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :success, 
+      "diff should have uploaded OK"
+
+    # check the bbox
+    changeset = Changeset.find(changeset_id)
+    assert_equal 1*SCALE, changeset.min_lon, "min_lon should be 1 degree"
+    assert_equal 3*SCALE, changeset.max_lon, "max_lon should be 3 degrees"
+    assert_equal 1*SCALE, changeset.min_lat, "min_lat should be 1 degree"
+    assert_equal 3*SCALE, changeset.max_lat, "max_lat should be 3 degrees"
+  end
+
+  ##
+  # test for more issues in #1568
+  def test_upload_empty_invalid
+    basic_authorization users(:public_user).email, "test"
+
+    [ "<osmChange/>",
+      "<osmChange></osmChange>",
+      "<osmChange><modify/></osmChange>",
+      "<osmChange><modify></modify></osmChange>"
+    ].each do |diff|
+      # upload it
+      content diff
+      post :upload, :id => changesets(:public_user_first_change).id
+      assert_response(:success, "should be able to upload " +
+                      "empty changeset: " + diff)
+    end
+  end
+

   ##
   # when we make some simple changes we get the same changes back from the 
   # diff download.
   def test_diff_download_simple
   ##
   # when we make some simple changes we get the same changes back from the 
   # diff download.
   def test_diff_download_simple

+    ## First try with the normal user, which should get a forbidden

     basic_authorization(users(:normal_user).email, "test")
 
     basic_authorization(users(:normal_user).email, "test")
 

+    # create a temporary changeset
+    content "<osm><changeset>" +
+      "<tag k='created_by' v='osm test suite checking changesets'/>" + 
+      "</changeset></osm>"
+    put :create
+    assert_response :forbidden
+    
+    
+    
+    ## Now try with the public user
+    basic_authorization(users(:public_user).email, "test")
+

     # create a temporary changeset
     content "<osm><changeset>" +
       "<tag k='created_by' v='osm test suite checking changesets'/>" + 
     # create a temporary changeset
     content "<osm><changeset>" +
       "<tag k='created_by' v='osm test suite checking changesets'/>" + 


@@ -440,11 +964,72 @@ EOF
     assert_select "osmChange>modify>node", 8
   end
   
     assert_select "osmChange>modify>node", 8
   end
   

+  ##
+  # culled this from josm to ensure that nothing in the way that josm
+  # is formatting the request is causing it to fail.
+  #
+  # NOTE: the error turned out to be something else completely!
+  def test_josm_upload
+    basic_authorization(users(:public_user).email, "test")
+
+    # create a temporary changeset
+    content "<osm><changeset>" +
+      "<tag k='created_by' v='osm test suite checking changesets'/>" + 
+      "</changeset></osm>"
+    put :create
+    assert_response :success
+    changeset_id = @response.body.to_i
+
+    diff = <<OSMFILE
+<osmChange version="0.6" generator="JOSM">
+<create version="0.6" generator="JOSM">
+  <node id='-1' visible='true' changeset='#{changeset_id}' lat='51.49619982187321' lon='-0.18722061869438314' />
+  <node id='-2' visible='true' changeset='#{changeset_id}' lat='51.496359883909605' lon='-0.18653093576241928' />
+  <node id='-3' visible='true' changeset='#{changeset_id}' lat='51.49598132358285' lon='-0.18719613290981638' />
+  <node id='-4' visible='true' changeset='#{changeset_id}' lat='51.4961591711078' lon='-0.18629015888084607' />
+  <node id='-5' visible='true' changeset='#{changeset_id}' lat='51.49582126021711' lon='-0.18708186591517145' />
+  <node id='-6' visible='true' changeset='#{changeset_id}' lat='51.49591018437858' lon='-0.1861432441734455' />
+  <node id='-7' visible='true' changeset='#{changeset_id}' lat='51.49560784152179' lon='-0.18694719410005425' />
+  <node id='-8' visible='true' changeset='#{changeset_id}' lat='51.49567389979617' lon='-0.1860289771788006' />
+  <node id='-9' visible='true' changeset='#{changeset_id}' lat='51.49543761398892' lon='-0.186820684213126' />
+  <way id='-10' action='modiy' visible='true' changeset='#{changeset_id}'>
+    <nd ref='-1' />
+    <nd ref='-2' />
+    <nd ref='-3' />
+    <nd ref='-4' />
+    <nd ref='-5' />
+    <nd ref='-6' />
+    <nd ref='-7' />
+    <nd ref='-8' />
+    <nd ref='-9' />
+    <tag k='highway' v='residential' />
+    <tag k='name' v='Foobar Street' />
+  </way>
+</create>
+</osmChange>
+OSMFILE
+
+    # upload it
+    content diff
+    post :upload, :id => changeset_id
+    assert_response :success, 
+      "can't upload a diff from JOSM: #{@response.body}"
+    
+    get :download, :id => changeset_id
+    assert_response :success
+
+    assert_select "osmChange", 1
+    assert_select "osmChange>create>node", 9
+    assert_select "osmChange>create>way", 1
+    assert_select "osmChange>create>way>nd", 9
+    assert_select "osmChange>create>way>tag", 2
+  end
+

   ##
   # when we make some complex changes we get the same changes back from the 
   # diff download.
   def test_diff_download_complex
   ##
   # when we make some complex changes we get the same changes back from the 
   # diff download.
   def test_diff_download_complex

-    basic_authorization(users(:normal_user).email, "test")
+    basic_authorization(users(:public_user).email, "test")

 
     # create a temporary changeset
     content "<osm><changeset>" +
 
     # create a temporary changeset
     content "<osm><changeset>" +


@@ -498,8 +1083,9 @@ EOF
 
   ##
   # check that the bounding box of a changeset gets updated correctly
 
   ##
   # check that the bounding box of a changeset gets updated correctly

+  ## FIXME: This should really be moded to a integration test due to the with_controller

   def test_changeset_bbox
   def test_changeset_bbox

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).email, "test"

 
     # create a new changeset
     content "<osm><changeset/></osm>"
 
     # create a new changeset
     content "<osm><changeset/></osm>"


@@ -537,7 +1123,7 @@ EOF
     assert_select "osm>changeset[min_lat=1.0]", 1
     assert_select "osm>changeset[max_lat=2.0]", 1
 
     assert_select "osm>changeset[min_lat=1.0]", 1
     assert_select "osm>changeset[max_lat=2.0]", 1
 

-    # add (delete) a way to it
+    # add (delete) a way to it, which contains a point at (3,3)

     with_controller(WayController.new) do
       content update_changeset(current_ways(:visible_way).to_xml,
                                changeset_id)
     with_controller(WayController.new) do
       content update_changeset(current_ways(:visible_way).to_xml,
                                changeset_id)


@@ -548,6 +1134,7 @@ EOF
     # get the bounding box back from the changeset
     get :read, :id => changeset_id
     assert_response :success, "Couldn't read back changeset for the third time."
     # get the bounding box back from the changeset
     get :read, :id => changeset_id
     assert_response :success, "Couldn't read back changeset for the third time."

+    # note that the 3.1 here is because of the bbox overexpansion

     assert_select "osm>changeset[min_lon=1.0]", 1
     assert_select "osm>changeset[max_lon=3.1]", 1
     assert_select "osm>changeset[min_lat=1.0]", 1
     assert_select "osm>changeset[min_lon=1.0]", 1
     assert_select "osm>changeset[max_lon=3.1]", 1
     assert_select "osm>changeset[min_lat=1.0]", 1


@@ -557,7 +1144,7 @@ EOF
   ##
   # test that the changeset :include method works as it should
   def test_changeset_include
   ##
   # test that the changeset :include method works as it should
   def test_changeset_include

-    basic_authorization "test@openstreetmap.org", "test"
+    basic_authorization users(:public_user).display_name, "test"

 
     # create a new changeset
     content "<osm><changeset/></osm>"
 
     # create a new changeset
     content "<osm><changeset/></osm>"


@@ -577,22 +1164,249 @@ EOF
   end
 
   ##
   end
 
   ##

-  # check searching for changesets by bbox
-  def test_changeset_by_bbox
+  # test the query functionality of changesets
+  def test_query

     get :query, :bbox => "-10,-10, 10, 10"
     assert_response :success, "can't get changesets in bbox"
     get :query, :bbox => "-10,-10, 10, 10"
     assert_response :success, "can't get changesets in bbox"

-    # FIXME: write the actual test bit after fixing the fixtures!
+    assert_changesets [1,4,6]
+
+    get :query, :bbox => "4.5,4.5,4.6,4.6"
+    assert_response :success, "can't get changesets in bbox"
+    assert_changesets [1]
+
+    # can't get changesets of user 1 without authenticating
+    get :query, :user => users(:normal_user).id
+    assert_response :not_found, "shouldn't be able to get changesets by non-public user"
+
+    # but this should work
+    basic_authorization "test@openstreetmap.org", "test"
+    get :query, :user => users(:normal_user).id
+    assert_response :success, "can't get changesets by user"
+    assert_changesets [1,3,6]
+
+    get :query, :user => users(:normal_user).id, :open => true
+    assert_response :success, "can't get changesets by user and open"
+    assert_changesets [1]
+
+    get :query, :time => '2007-12-31'
+    assert_response :success, "can't get changesets by time-since"
+    assert_changesets [1,2,4,5,6]
+
+    get :query, :time => '2008-01-01T12:34Z'
+    assert_response :success, "can't get changesets by time-since with hour"
+    assert_changesets [1,2,4,5,6]
+
+    get :query, :time => '2007-12-31T23:59Z,2008-01-01T00:01Z'
+    assert_response :success, "can't get changesets by time-range"
+    assert_changesets [1,4,5,6]
+
+    get :query, :open => 'true'
+    assert_response :success, "can't get changesets by open-ness"
+    assert_changesets [1,2,4]
+  end
+
+  ##
+  # check that errors are returned if garbage is inserted 
+  # into query strings
+  def test_query_invalid
+    [ "abracadabra!",
+      "1,2,3,F",
+      ";drop table users;"
+      ].each do |bbox|
+      get :query, :bbox => bbox
+      assert_response :bad_request, "'#{bbox}' isn't a bbox"
+    end
+
+    [ "now()",
+      "00-00-00",
+      ";drop table users;",
+      ",",
+      "-,-"
+      ].each do |time|
+      get :query, :time => time
+      assert_response :bad_request, "'#{time}' isn't a valid time range"
+    end
+
+    [ "me",
+      "foobar",
+      "-1",
+      "0"
+      ].each do |uid|
+      get :query, :user => uid
+      assert_response :bad_request, "'#{uid}' isn't a valid user ID"
+    end
+  end
+
+  ##
+  # check updating tags on a changeset
+  def test_changeset_update
+    ## First try with the non-public user
+    changeset = changesets(:normal_user_first_change)
+    new_changeset = changeset.to_xml
+    new_tag = XML::Node.new "tag"
+    new_tag['k'] = "tagtesting"
+    new_tag['v'] = "valuetesting"
+    new_changeset.find("//osm/changeset").first << new_tag
+    content new_changeset
+
+    # try without any authorization
+    put :update, :id => changeset.id
+    assert_response :unauthorized
+
+    # try with the wrong authorization
+    basic_authorization users(:public_user).email, "test"
+    put :update, :id => changeset.id
+    assert_response :conflict
+
+    # now this should get an unauthorized
+    basic_authorization users(:normal_user).email, "test"
+    put :update, :id => changeset.id
+    assert_require_public_data "user with their data non-public, shouldn't be able to edit their changeset"
+    
+    
+    ## Now try with the public user
+    changeset = changesets(:public_user_first_change)
+    new_changeset = changeset.to_xml
+    new_tag = XML::Node.new "tag"
+    new_tag['k'] = "tagtesting"
+    new_tag['v'] = "valuetesting"
+    new_changeset.find("//osm/changeset").first << new_tag
+    content new_changeset
+    
+    # try without any authorization
+    @request.env["HTTP_AUTHORIZATION"] = nil
+    put :update, :id => changeset.id
+    assert_response :unauthorized
+
+    # try with the wrong authorization
+    basic_authorization users(:second_public_user).email, "test"
+    put :update, :id => changeset.id
+    assert_response :conflict
+
+    # now this should work...
+    basic_authorization users(:public_user).email, "test"
+    put :update, :id => changeset.id
+    assert_response :success
+
+    assert_select "osm>changeset[id=#{changeset.id}]", 1
+    assert_select "osm>changeset>tag", 2
+    assert_select "osm>changeset>tag[k=tagtesting][v=valuetesting]", 1
+  end
+  
+  ##
+  # check that a user different from the one who opened the changeset
+  # can't modify it.
+  def test_changeset_update_invalid
+    basic_authorization users(:public_user).email, "test"
+
+    changeset = changesets(:normal_user_first_change)
+    new_changeset = changeset.to_xml
+    new_tag = XML::Node.new "tag"
+    new_tag['k'] = "testing"
+    new_tag['v'] = "testing"
+    new_changeset.find("//osm/changeset").first << new_tag
+
+    content new_changeset
+    put :update, :id => changeset.id
+    assert_response :conflict

   end
 
   end
 

+  ##
+  # check that a changeset can contain a certain max number of changes.
+  ## FIXME should be changed to an integration test due to the with_controller
+  def test_changeset_limits
+    basic_authorization users(:public_user).email, "test"
+
+    # open a new changeset
+    content "<osm><changeset/></osm>"
+    put :create
+    assert_response :success, "can't create a new changeset"
+    cs_id = @response.body.to_i
+
+    # start the counter just short of where the changeset should finish.
+    offset = 10
+    # alter the database to set the counter on the changeset directly, 
+    # otherwise it takes about 6 minutes to fill all of them.
+    changeset = Changeset.find(cs_id)
+    changeset.num_changes = Changeset::MAX_ELEMENTS - offset
+    changeset.save!
+
+    with_controller(NodeController.new) do
+      # create a new node
+      content "<osm><node changeset='#{cs_id}' lat='0.0' lon='0.0'/></osm>"
+      put :create
+      assert_response :success, "can't create a new node"
+      node_id = @response.body.to_i
+
+      get :read, :id => node_id
+      assert_response :success, "can't read back new node"
+      node_doc = XML::Parser.string(@response.body).parse
+      node_xml = node_doc.find("//osm/node").first
+
+      # loop until we fill the changeset with nodes
+      offset.times do |i|
+        node_xml['lat'] = rand.to_s
+        node_xml['lon'] = rand.to_s
+        node_xml['version'] = (i+1).to_s
+
+        content node_doc
+        put :update, :id => node_id
+        assert_response :success, "attempt #{i} should have succeeded"
+      end
+
+      # trying again should fail
+      node_xml['lat'] = rand.to_s
+      node_xml['lon'] = rand.to_s
+      node_xml['version'] = offset.to_s
+      
+      content node_doc
+      put :update, :id => node_id
+      assert_response :conflict, "final attempt should have failed"
+    end
+
+    changeset = Changeset.find(cs_id)
+    assert_equal Changeset::MAX_ELEMENTS + 1, changeset.num_changes
+
+    # check that the changeset is now closed as well
+    assert(!changeset.is_open?, 
+           "changeset should have been auto-closed by exceeding " + 
+           "element limit.")
+  end
+  
+  # This should display the last 20 changesets closed.
+  def test_list
+    @changesets = Changeset.find(:all, :order => "created_at DESC", :conditions => ['min_lat IS NOT NULL'], :limit=> 20)
+    assert @changesets.size <= 20
+    get :list
+    assert_response :success
+    assert_template "list"
+    # Now check that all 20 (or however many were returned) changesets are in the html
+    assert_select "h1", :text => "Recent Changes", :count => 1
+    assert_select "table[id='keyvalue'] tr", :count => @changesets.size + 1
+    @changesets.each do |changeset|
+      # FIXME this test needs rewriting - test for table contents
+    end
+  end
+  

   #------------------------------------------------------------
   # utility functions
   #------------------------------------------------------------
 
   #------------------------------------------------------------
   # utility functions
   #------------------------------------------------------------
 

+  ##
+  # boilerplate for checking that certain changesets exist in the
+  # output.
+  def assert_changesets(ids)
+    assert_select "osm>changeset", ids.size
+    ids.each do |id|
+      assert_select "osm>changeset[id=#{id}]", 1
+    end
+  end
+

   ##
   # call the include method and assert properties of the bbox
   def check_after_include(changeset_id, lon, lat, bbox)
     content "<osm><node lon='#{lon}' lat='#{lat}'/></osm>"
   ##
   # call the include method and assert properties of the bbox
   def check_after_include(changeset_id, lon, lat, bbox)
     content "<osm><node lon='#{lon}' lat='#{lat}'/></osm>"

-    post :include, :id => changeset_id
+    post :expand_bbox, :id => changeset_id

     assert_response :success, "Setting include of changeset failed: #{@response.body}"
 
     # check exactly one changeset
     assert_response :success, "Setting include of changeset failed: #{@response.body}"
 
     # check exactly one changeset