Refactored test a bit to make it nicer.

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

diff --git a/test/functional/old_way_controller_test.rb b/test/functional/old_way_controller_test.rb
index b4e3c5127721210ac025f856f2a28bd8c196f057..c47b45dfcac4af56db4d1cbbf31e748e43ca7c4c 100644 (file)
--- a/test/functional/old_way_controller_test.rb
+++ b/test/functional/old_way_controller_test.rb
@@ -24,10 +24,75 @@ class OldWayControllerTest < Test::Unit::TestCase
   end
   
   def test_history_invisible
+    # check that an invisible way's history is returned properly
+    get :history, :id => ways(:invisible_way).id
+    assert_response :success
+  end
+  
+  def test_history_invalid
     # check chat a non-existent way is not returned
     get :history, :id => 0
     assert_response :not_found
+  end
+  
+  ##
+  # check that we can retrieve versions of a way
+  def test_version
+    check_current_version(current_ways(:visible_way).id)
+    check_current_version(current_ways(:used_way).id)
+    check_current_version(current_ways(:way_with_versions).id)
+  end
+
+  ##
+  # check that returned history is the same as getting all 
+  # versions of a way from the api.
+  def test_history_equals_versions
+    check_history_equals_versions(current_ways(:visible_way).id)
+    check_history_equals_versions(current_ways(:used_way).id)
+    check_history_equals_versions(current_ways(:way_with_versions).id)
+  end
+
+  ##
+  # check that the current version of a way is equivalent to the
+  # version which we're getting from the versions call.
+  def check_current_version(way_id)
+    # get the current version
+    current_way = with_controller(WayController.new) do
+      get :read, :id => way_id
+      assert_response :success, "can't get current way #{way_id}"
+      Way.from_xml(@response.body)
+    end
+    assert_not_nil current_way, "getting way #{way_id} returned nil"
+
+    # get the "old" version of the way from the version method
+    get :version, :id => way_id, :version => current_way.version
+    assert_response :success, "can't get old way #{way_id}, v#{current_way.version}"
+    old_way = Way.from_xml(@response.body)
+
+    # check that the ways are identical
+    assert_ways_are_equal current_way, old_way
+  end
+
+  ##
+  # look at all the versions of the way in the history and get each version from
+  # the versions call. check that they're the same.
+  def check_history_equals_versions(way_id)
+    get :history, :id => way_id
+    assert_response :success, "can't get way #{way_id} from API"
+    history_doc = XML::Parser.string(@response.body).parse
+    assert_not_nil history_doc, "parsing way #{way_id} history failed"
+
+    history_doc.find("//osm/way").each do |way_doc|
+      history_way = Way.from_xml_node(way_doc)
+      assert_not_nil history_way, "parsing way #{way_id} version failed"
 
+      get :version, :id => way_id, :version => history_way.version
+      assert_response :success, "couldn't get way #{way_id}, v#{history_way.version}"
+      version_way = Way.from_xml(@response.body)
+      assert_not_nil version_way, "failed to parse #{way_id}, v#{history_way.version}"
+      
+      assert_ways_are_equal history_way, version_way
+    end
   end
 
 end