Move the changes api to its own controller

[rails.git] / test / controllers / api / changes_controller_test.rb

diff --git a/test/controllers/api/changes_controller_test.rb b/test/controllers/api/changes_controller_test.rb
new file mode 100644 (file)
index 0000000..c212ba1
--- /dev/null
+++ b/test/controllers/api/changes_controller_test.rb
@@ -0,0 +1,106 @@
+require "test_helper"
+
+module Api
+  class ChangesControllerTest < ActionController::TestCase
+    ##
+    # test all routes which lead to this controller
+    def test_routes
+      assert_routing(
+        { :path => "/api/0.6/changes", :method => :get },
+        { :controller => "api/changes", :action => "index" }
+      )
+    end
+
+    # MySQL and Postgres require that the C based functions are installed for
+    # this test to work. More information is available from:
+    # http://wiki.openstreetmap.org/wiki/Rails#Installing_the_quadtile_functions
+    # or by looking at the readme in db/README
+    def test_changes_simple
+      # create a selection of nodes
+      (1..5).each do |n|
+        create(:node, :timestamp => Time.utc(2007, 1, 1, 0, 0, 0), :lat => n, :lon => n)
+      end
+      # deleted nodes should also be counted
+      create(:node, :deleted, :timestamp => Time.utc(2007, 1, 1, 0, 0, 0), :lat => 6, :lon => 6)
+      # nodes in the same tile won't change the total
+      create(:node, :timestamp => Time.utc(2007, 1, 1, 0, 0, 0), :lat => 6, :lon => 6)
+      # nodes with a different timestamp should be ignored
+      create(:node, :timestamp => Time.utc(2008, 1, 1, 0, 0, 0), :lat => 7, :lon => 7)
+
+      travel_to Time.utc(2010, 4, 3, 10, 55, 0) do
+        get :index
+        assert_response :success
+        now = Time.now.getutc
+        hourago = now - 1.hour
+        assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
+          assert_select "changes[starttime='#{hourago.xmlschema}'][endtime='#{now.xmlschema}']", :count => 1 do
+            assert_select "tile", :count => 0
+          end
+        end
+      end
+
+      travel_to Time.utc(2007, 1, 1, 0, 30, 0) do
+        get :index
+        assert_response :success
+        # print @response.body
+        # As we have loaded the fixtures, we can assume that there are some
+        # changes at the time we have frozen at
+        now = Time.now.getutc
+        hourago = now - 1.hour
+        assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
+          assert_select "changes[starttime='#{hourago.xmlschema}'][endtime='#{now.xmlschema}']", :count => 1 do
+            assert_select "tile", :count => 6
+          end
+        end
+      end
+    end
+
+    def test_changes_zoom_invalid
+      zoom_to_test = %w[p -1 0 17 one two]
+      zoom_to_test.each do |zoom|
+        get :index, :params => { :zoom => zoom }
+        assert_response :bad_request
+        assert_equal @response.body, "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours"
+      end
+    end
+
+    def test_changes_zoom_valid
+      1.upto(16) do |zoom|
+        get :index, :params => { :zoom => zoom }
+        assert_response :success
+        # NOTE: there was a test here for the timing, but it was too sensitive to be a good test
+        # and it was annoying.
+        assert_select "osm[version='#{API_VERSION}'][generator='#{GENERATOR}']", :count => 1 do
+          assert_select "changes", :count => 1
+        end
+      end
+    end
+
+    def test_changes_hours_invalid
+      invalid = %w[-21 335 -1 0 25 26 100 one two three ping pong :]
+      invalid.each do |hour|
+        get :index, :params => { :hours => hour }
+        assert_response :bad_request, "Problem with the hour: #{hour}"
+        assert_equal @response.body, "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours", "Problem with the hour: #{hour}."
+      end
+    end
+
+    def test_changes_hours_valid
+      1.upto(24) do |hour|
+        get :index, :params => { :hours => hour }
+        assert_response :success
+      end
+    end
+
+    def test_changes_start_end_invalid
+      get :index, :params => { :start => "2010-04-03 10:55:00", :end => "2010-04-03 09:55:00" }
+      assert_response :bad_request
+      assert_equal @response.body, "Requested zoom is invalid, or the supplied start is after the end time, or the start duration is more than 24 hours"
+    end
+
+    def test_changes_start_end_valid
+      get :index, :params => { :start => "2010-04-03 09:55:00", :end => "2010-04-03 10:55:00" }
+      assert_response :success
+    end
+  end
+end