amf get*_history tests and related fixes

app/controllers/amf_controller.rb

@@ -246,26 +246,36 @@ class AmfController < ApplicationController
   # an array of previous versions.
 
   def getway_history(wayid) #:doc:
+    begin
 	  history = Way.find(wayid).old_ways.reverse.collect do |old_way|
-	  user = old_way.user.data_public? ? old_way.user.display_name : 'anonymous'
-	  uid  = old_way.user.data_public? ? old_way.user.id : 0
+        user_object = old_way.changeset.user
+	    user = user_object.data_public? ? user_object.display_name : 'anonymous'
+	    uid  = user_object.data_public? ? user_object.id : 0
 	    [old_way.version, old_way.timestamp.strftime("%d %b %Y, %H:%M"), old_way.visible ? 1 : 0, user, uid]
 	  end
 
-	['way',wayid,history]
+	  return ['way',wayid,history]
+    rescue ActiveRecord::RecordNotFound
+      return ['way', wayid, []]
+    end
   end
 
   # Find history of a node. Returns 'node', id, and 
   # an array of previous versions.
 
   def getnode_history(nodeid) #:doc:
+    begin
 	  history = Node.find(nodeid).old_nodes.reverse.collect do |old_node|
-	  user = old_node.user.data_public? ? old_node.user.display_name : 'anonymous'
-	  uid  = old_node.user.data_public? ? old_node.user.id : 0
+        user_object = old_node.changeset.user
+	    user = user_object.data_public? ? user_object.display_name : 'anonymous'
+	    uid  = user_object.data_public? ? user_object.id : 0
 	    [old_node.timestamp.to_i, old_node.timestamp.strftime("%d %b %Y, %H:%M"), old_node.visible ? 1 : 0, user, uid]
 	  end
 
-	['node',nodeid,history]
+	  return ['node',nodeid,history]
+    rescue ActiveRecord::RecordNotFound
+      return ['node', nodeid, []]
+    end
   end
 
   # Get a relation with all tags and members.

test/functional/amf_controller_test.rb

@@ -187,6 +187,62 @@ class AmfControllerTest < ActionController::TestCase
     end
   end
 
+  def test_getway_history
+    latest = current_ways(:way_with_versions)
+    amf_content "getway_history", "/1", [latest.id]
+    post :amf_read
+    assert_response :success
+    amf_parse_response
+    history = amf_result("/1")
+
+    # ['way',wayid,history]
+    assert_equal history[0], 'way'
+    assert_equal history[1], latest.id
+    assert_equal history[2].first[0], latest.version
+    assert_equal history[2].last[0], ways(:way_with_versions_v1).version
+  end
+
+  def test_getway_history_nonexistent
+    amf_content "getway_history", "/1", [0]
+    post :amf_read
+    assert_response :success
+    amf_parse_response
+    history = amf_result("/1")
+
+    # ['way',wayid,history]
+    assert_equal history[0], 'way'
+    assert_equal history[1], 0
+    assert history[2].empty?
+  end
+
+  def test_getnode_history
+    latest = current_nodes(:node_with_versions)
+    amf_content "getnode_history", "/1", [latest.id]
+    post :amf_read
+    assert_response :success
+    amf_parse_response
+    history = amf_result("/1")
+
+    # ['node',nodeid,history]
+    assert_equal history[0], 'node'
+    assert_equal history[1], latest.id
+    assert_equal history[2].first[0], latest.timestamp.to_i
+    assert_equal history[2].last[0], nodes(:node_with_versions_v1).timestamp.to_i
+  end
+
+  def test_getnode_history_nonexistent
+    amf_content "getnode_history", "/1", [0]
+    post :amf_read
+    assert_response :success
+    amf_parse_response
+    history = amf_result("/1")
+
+    # ['node',nodeid,history]
+    assert_equal history[0], 'node'
+    assert_equal history[1], 0
+    assert history[2].empty?
+  end
+
 
   # ************************************************************
   # AMF Helper functions