X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/98a76339b84450999b0cadeacf528a78cff09cae..5c0e96e0e0e99b3469c286f4bf77d4d0abf47c79:/test/functional/trace_controller_test.rb

diff --git a/test/functional/trace_controller_test.rb b/test/functional/trace_controller_test.rb
index f60d75679..1a074082b 100644
--- a/test/functional/trace_controller_test.rb
+++ b/test/functional/trace_controller_test.rb
@@ -4,85 +4,597 @@ class TraceControllerTest < ActionController::TestCase
   fixtures :users, :gpx_files
   set_fixture_class :gpx_files => 'Trace'
 
-  
+  def setup
+    @gpx_trace_dir = Object.send("remove_const", "GPX_TRACE_DIR")
+    Object.const_set("GPX_TRACE_DIR", File.dirname(__FILE__) + "/../traces")
+  end
+
+  def teardown
+    Object.send("remove_const", "GPX_TRACE_DIR")
+    Object.const_set("GPX_TRACE_DIR", @gpx_trace_dir)
+  end
+
+  ##
+  # test all routes which lead to this controller
+  def test_routes
+    assert_routing(
+      { :path => "/api/0.6/gpx/create", :method => :post },
+      { :controller => "trace", :action => "api_create" }
+    )
+    assert_routing(
+      { :path => "/api/0.6/gpx/1", :method => :get },
+      { :controller => "trace", :action => "api_read", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/api/0.6/gpx/1", :method => :put },
+      { :controller => "trace", :action => "api_update", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/api/0.6/gpx/1", :method => :delete },
+      { :controller => "trace", :action => "api_delete", :id => "1" }
+    )
+    assert_recognizes(
+      { :controller => "trace", :action => "api_read", :id => "1" },
+      { :path => "/api/0.6/gpx/1/details", :method => :get }
+    )
+    assert_routing(
+      { :path => "/api/0.6/gpx/1/data", :method => :get },
+      { :controller => "trace", :action => "api_data", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/api/0.6/gpx/1/data.xml", :method => :get },
+      { :controller => "trace", :action => "api_data", :id => "1", :format => "xml" }
+    )
+
+    assert_routing(
+      { :path => "/traces", :method => :get },
+      { :controller => "trace", :action => "list" }
+    )
+    assert_routing(
+      { :path => "/traces/page/1", :method => :get },
+      { :controller => "trace", :action => "list", :page => "1" }
+    )
+    assert_routing(
+      { :path => "/traces/tag/tagname", :method => :get },
+      { :controller => "trace", :action => "list", :tag => "tagname" }
+    )
+    assert_routing(
+      { :path => "/traces/tag/tagname/page/1", :method => :get },
+      { :controller => "trace", :action => "list", :tag => "tagname", :page => "1" }
+    )
+    assert_routing(
+      { :path => "/user/username/traces", :method => :get },
+      { :controller => "trace", :action => "list", :display_name => "username" }
+    )
+    assert_routing(
+      { :path => "/user/username/traces/page/1", :method => :get },
+      { :controller => "trace", :action => "list", :display_name => "username", :page => "1" }
+    )
+    assert_routing(
+      { :path => "/user/username/traces/tag/tagname", :method => :get },
+      { :controller => "trace", :action => "list", :display_name => "username", :tag => "tagname" }
+    )
+    assert_routing(
+      { :path => "/user/username/traces/tag/tagname/page/1", :method => :get },
+      { :controller => "trace", :action => "list", :display_name => "username", :tag => "tagname", :page => "1" }
+    )
+
+    assert_routing(
+      { :path => "/traces/mine", :method => :get },
+      { :controller => "trace", :action => "mine" }
+    )
+    assert_routing(
+      { :path => "/traces/mine/page/1", :method => :get },
+      { :controller => "trace", :action => "mine", :page => "1" }
+    )
+    assert_routing(
+      { :path => "/traces/mine/tag/tagname", :method => :get },
+      { :controller => "trace", :action => "mine", :tag => "tagname" }
+    )
+    assert_routing(
+      { :path => "/traces/mine/tag/tagname/page/1", :method => :get },
+      { :controller => "trace", :action => "mine", :tag => "tagname", :page => "1" }
+    )
+
+    assert_routing(
+      { :path => "/traces/rss", :method => :get },
+      { :controller => "trace", :action => "georss", :format => :rss }
+    )
+    assert_routing(
+      { :path => "/traces/tag/tagname/rss", :method => :get },
+      { :controller => "trace", :action => "georss", :tag => "tagname", :format => :rss }
+    )
+    assert_routing(
+      { :path => "/user/username/traces/rss", :method => :get },
+      { :controller => "trace", :action => "georss", :display_name => "username", :format => :rss }
+    )
+    assert_routing(
+      { :path => "/user/username/traces/tag/tagname/rss", :method => :get },
+      { :controller => "trace", :action => "georss", :display_name => "username", :tag => "tagname", :format => :rss }
+    )
+
+    assert_routing(
+      { :path => "/user/username/traces/1", :method => :get },
+      { :controller => "trace", :action => "view", :display_name => "username", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/user/username/traces/1/picture", :method => :get },
+      { :controller => "trace", :action => "picture", :display_name => "username", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/user/username/traces/1/icon", :method => :get },
+      { :controller => "trace", :action => "icon", :display_name => "username", :id => "1" }
+    )
+
+    assert_routing(
+      { :path => "/trace/create", :method => :get },
+      { :controller => "trace", :action => "create" }
+    )
+    assert_routing(
+      { :path => "/trace/create", :method => :post },
+      { :controller => "trace", :action => "create" }
+    )
+    assert_routing(
+      { :path => "/trace/1/data", :method => :get },
+      { :controller => "trace", :action => "data", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/trace/1/data.xml", :method => :get },
+      { :controller => "trace", :action => "data", :id => "1", :format => "xml" }
+    )
+    assert_routing(
+      { :path => "/trace/1/edit", :method => :get },
+      { :controller => "trace", :action => "edit", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/trace/1/edit", :method => :post },
+      { :controller => "trace", :action => "edit", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/trace/1/edit", :method => :patch },
+      { :controller => "trace", :action => "edit", :id => "1" }
+    )
+    assert_routing(
+      { :path => "/trace/1/delete", :method => :post },
+      { :controller => "trace", :action => "delete", :id => "1" }
+    )
+  end
+
   # Check that the list of changesets is displayed
   def test_list
     get :list
-    assert_response :success
-    assert_template 'list'
+    check_trace_list Trace.public
+
+    get :list, :tag => "London"
+    check_trace_list Trace.tagged("London").public
   end
-  
+
   # Check that I can get mine
   def test_list_mine
     # First try to get it when not logged in
     get :mine
     assert_redirected_to :controller => 'user', :action => 'login', :referer => '/traces/mine'
-    
+
     # Now try when logged in
     get :mine, {}, {:user => users(:public_user).id}
-    assert_response :success
-    assert_template 'mine'
-    # Should really test to see which files are shown to the user
+    assert_redirected_to :controller => 'trace', :action => 'list', :display_name => users(:public_user).display_name
+
+    # Fetch the actual list
+    get :list, {:display_name => users(:public_user).display_name}, {:user => users(:public_user).id}
+    check_trace_list users(:public_user).traces
+  end
+
+  # Check the list of changesets for a specific user
+  def test_list_user
+    # Test a user with no traces
+    get :list, :display_name => users(:second_public_user).display_name
+    check_trace_list users(:second_public_user).traces.public
+
+    # Test a user with some traces - should see only public ones
+    get :list, :display_name => users(:public_user).display_name
+    check_trace_list users(:public_user).traces.public
+
+    # Should still see only public ones when authenticated as another user
+    get :list, {:display_name => users(:public_user).display_name}, {:user => users(:normal_user).id}
+    check_trace_list users(:public_user).traces.public
+
+    # Should see all traces when authenticated as the target user
+    get :list, {:display_name => users(:public_user).display_name}, {:user => users(:public_user).id}
+    check_trace_list users(:public_user).traces
+
+    # Should only see traces with the correct tag when a tag is specified
+    get :list, {:display_name => users(:public_user).display_name, :tag => "London"}, {:user => users(:public_user).id}
+    check_trace_list users(:public_user).traces.tagged("London")
   end
-  
+
   # Check that the rss loads
   def test_rss
-    get :georss
-    assert_rss_success
-    
-    get :georss, :display_name => users(:normal_user).display_name
-    assert_rss_success
-  end
-  
-  def assert_rss_success 
+    get :georss, :format => :rss
+    check_trace_feed Trace.public
+
+    get :georss, :tag => "London", :format => :rss
+    check_trace_feed Trace.tagged("London").public
+
+    get :georss, :display_name => users(:public_user).display_name, :format => :rss
+    check_trace_feed users(:public_user).traces.public
+
+    get :georss, :display_name => users(:public_user).display_name, :tag => "Birmingham", :format => :rss
+    check_trace_feed users(:public_user).traces.tagged("Birmingham").public
+  end
+
+  # Test viewing a trace
+  def test_view
+    # First with no auth, which should work since the trace is public
+    get :view, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}
+    check_trace_view gpx_files(:public_trace_file)
+
+    # Now with some other user, which should work since the trace is public
+    get :view, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}, {:user => users(:public_user).id}
+    check_trace_view gpx_files(:public_trace_file)
+
+    # And finally we should be able to do it with the owner of the trace
+    get :view, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}, {:user => users(:normal_user).id}
+    check_trace_view gpx_files(:public_trace_file)
+  end
+
+  # Check an anonymous trace can't be viewed by another user
+  def test_view_anon
+    # First with no auth
+    get :view, {:display_name => users(:public_user).display_name, :id => gpx_files(:anon_trace_file).id}
+    assert_response :redirect
+    assert_redirected_to :action => :list
+
+    # Now with some other user, which should work since the trace is anon
+    get :view, {:display_name => users(:public_user).display_name, :id => gpx_files(:anon_trace_file).id}, {:user => users(:normal_user).id}
+    assert_response :redirect
+    assert_redirected_to :action => :list
+
+    # And finally we should be able to do it with the owner of the trace
+    get :view, {:display_name => users(:public_user).display_name, :id => gpx_files(:anon_trace_file).id}, {:user => users(:public_user).id}
+    check_trace_view gpx_files(:anon_trace_file)
+  end
+
+  # Test viewing a trace that doesn't exist
+  def test_view_not_found
+    # First with no auth, which should work since the trace is public
+    get :view, {:display_name => users(:public_user).display_name, :id => 0}
+    assert_response :redirect
+    assert_redirected_to :action => :list
+
+    # Now with some other user, which should work since the trace is public
+    get :view, {:display_name => users(:public_user).display_name, :id => 0}, {:user => users(:public_user).id}
+    assert_response :redirect
+    assert_redirected_to :action => :list
+
+    # And finally we should be able to do it with the owner of the trace
+    get :view, {:display_name => users(:public_user).display_name, :id => 5}, {:user => users(:public_user).id}
+    assert_response :redirect
+    assert_redirected_to :action => :list
+  end
+
+  # Test downloading a trace
+  def test_data
+    # First with no auth, which should work since the trace is public
+    get :data, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}
+    check_trace_data gpx_files(:public_trace_file)
+
+    # Now with some other user, which should work since the trace is public
+    get :data, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}, {:user => users(:public_user).id}
+    check_trace_data gpx_files(:public_trace_file)
+
+    # And finally we should be able to do it with the owner of the trace
+    get :data, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}, {:user => users(:normal_user).id}
+    check_trace_data gpx_files(:public_trace_file)
+  end
+
+  # Test downloading a compressed trace
+  def test_data_compressed
+    # First get the data as is
+    get :data, {:display_name => users(:public_user).display_name, :id => gpx_files(:identifiable_trace_file).id}
+    check_trace_data gpx_files(:identifiable_trace_file), "application/x-gzip", "gpx.gz"
+
+    # Now ask explicitly for XML format
+    get :data, {:display_name => users(:public_user).display_name, :id => gpx_files(:identifiable_trace_file).id, :format => "xml"}
+    check_trace_data gpx_files(:identifiable_trace_file), "application/xml", "xml"
+
+    # Now ask explicitly for GPX format
+    get :data, {:display_name => users(:public_user).display_name, :id => gpx_files(:identifiable_trace_file).id, :format => "gpx"}
+    check_trace_data gpx_files(:identifiable_trace_file)
+  end
+
+  # Check an anonymous trace can't be downloaded by another user
+  def test_data_anon
+    # First with no auth
+    get :data, {:display_name => users(:public_user).display_name, :id => gpx_files(:anon_trace_file).id}
+    assert_response :not_found
+
+    # Now with some other user, which should work since the trace is anon
+    get :data, {:display_name => users(:public_user).display_name, :id => gpx_files(:anon_trace_file).id}, {:user => users(:normal_user).id}
+    assert_response :not_found
+
+    # And finally we should be able to do it with the owner of the trace
+    get :data, {:display_name => users(:public_user).display_name, :id => gpx_files(:anon_trace_file).id}, {:user => users(:public_user).id}
+    check_trace_data gpx_files(:anon_trace_file)
+  end
+
+  # Test downloading a trace that doesn't exist
+  def test_data_not_found
+    # First with no auth, which should work since the trace is public
+    get :data, {:display_name => users(:public_user).display_name, :id => 0}
+    assert_response :not_found
+
+    # Now with some other user, which should work since the trace is public
+    get :data, {:display_name => users(:public_user).display_name, :id => 0}, {:user => users(:public_user).id}
+    assert_response :not_found
+
+    # And finally we should be able to do it with the owner of the trace
+    get :data, {:display_name => users(:public_user).display_name, :id => 5}, {:user => users(:public_user).id}
+    assert_response :not_found
+  end
+
+  # Test fetching the edit page for a trace
+  def test_edit_get
+    # First with no auth
+    get :edit, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}
+    assert_response :redirect
+    assert_redirected_to :controller => :user, :action => :login, :referer => trace_edit_path(:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id)
+
+    # Now with some other user, which should fail
+    get :edit, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}, {:user => users(:public_user).id}
+    assert_response :forbidden
+
+    # Now with a trace which doesn't exist
+    get :edit, {:display_name => users(:public_user).display_name, :id => 0}, {:user => users(:public_user).id}
+    assert_response :not_found
+
+    # Now with a trace which has been deleted
+    get :edit, {:display_name => users(:public_user).display_name, :id => gpx_files(:deleted_trace_file).id}, {:user => users(:public_user).id}
+    assert_response :not_found
+
+    # Finally with a trace that we are allowed to edit
+    get :edit, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}, {:user => users(:normal_user).id}
     assert_response :success
-    assert_template nil
-    assert_equal "application/rss+xml", @response.content_type
   end
-  
+
+  # Test saving edits to a trace
+  def test_edit_post
+    # New details
+    new_details = { :description => "Changed description", :tagstring => "new_tag", :visibility => "private" }
+
+    # First with no auth
+    post :edit, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id, :trace => new_details}
+    assert_response :forbidden
+
+    # Now with some other user, which should fail
+    post :edit, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id, :trace => new_details}, {:user => users(:public_user).id}
+    assert_response :forbidden
+
+    # Now with a trace which doesn't exist
+    post :edit, {:display_name => users(:public_user).display_name, :id => 0}, {:user => users(:public_user).id, :trace => new_details}
+    assert_response :not_found
+
+    # Now with a trace which has been deleted
+    post :edit, {:display_name => users(:public_user).display_name, :id => gpx_files(:deleted_trace_file).id, :trace => new_details}, {:user => users(:public_user).id}
+    assert_response :not_found
+
+    # Finally with a trace that we are allowed to edit
+    post :edit, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id, :trace => new_details}, {:user => users(:normal_user).id}
+    assert_response :redirect
+    assert_redirected_to :action => :view, :display_name => users(:normal_user).display_name
+    trace = Trace.find(gpx_files(:public_trace_file).id)
+    assert_equal new_details[:description], trace.description
+    assert_equal new_details[:tagstring], trace.tagstring
+    assert_equal new_details[:visibility], trace.visibility
+  end
+
+  # Test deleting a trace
+  def test_delete
+    # First with no auth
+    post :delete, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id,}
+    assert_response :forbidden
+
+    # Now with some other user, which should fail
+    post :delete, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}, {:user => users(:public_user).id}
+    assert_response :forbidden
+
+    # Now with a trace which doesn't exist
+    post :delete, {:display_name => users(:public_user).display_name, :id => 0}, {:user => users(:public_user).id}
+    assert_response :not_found
+
+    # Now with a trace has already been deleted
+    post :delete, {:display_name => users(:public_user).display_name, :id => gpx_files(:deleted_trace_file).id}, {:user => users(:public_user).id}
+    assert_response :not_found
+
+    # Finally with a trace that we are allowed to delete
+    post :delete, {:display_name => users(:normal_user).display_name, :id => gpx_files(:public_trace_file).id}, {:user => users(:normal_user).id}
+    assert_response :redirect
+    assert_redirected_to :action => :list, :display_name => users(:normal_user).display_name
+    trace = Trace.find(gpx_files(:public_trace_file).id)
+    assert_equal false, trace.visible
+  end
+
   # Check getting a specific trace through the api
-  def test_api_details
+  def test_api_read
     # First with no auth
-    get :api_details, :id => gpx_files(:public_trace_file).id
+    get :api_read, :id => gpx_files(:public_trace_file).id
     assert_response :unauthorized
-    
+
     # Now with some other user, which should work since the trace is public
     basic_authorization(users(:public_user).display_name, "test")
-    get :api_details, :id => gpx_files(:public_trace_file).id
+    get :api_read, :id => gpx_files(:public_trace_file).id
     assert_response :success
-    
+
     # And finally we should be able to do it with the owner of the trace
     basic_authorization(users(:normal_user).display_name, "test")
-    get :api_details, :id => gpx_files(:public_trace_file).id
+    get :api_read, :id => gpx_files(:public_trace_file).id
     assert_response :success
   end
-  
+
   # Check an anoymous trace can't be specifically fetched by another user
-  def test_api_details_anon
+  def test_api_read_anon
     # Furst with no auth
-    get :api_details, :id => gpx_files(:anon_trace_file).id
+    get :api_read, :id => gpx_files(:anon_trace_file).id
     assert_response :unauthorized
-    
+
     # Now try with another user, which shouldn't work since the trace is anon
     basic_authorization(users(:normal_user).display_name, "test")
-    get :api_details, :id => gpx_files(:anon_trace_file).id
+    get :api_read, :id => gpx_files(:anon_trace_file).id
     assert_response :forbidden
-    
+
     # And finally we should be able to get the trace details with the trace owner
     basic_authorization(users(:public_user).display_name, "test")
-    get :api_details, :id => gpx_files(:anon_trace_file).id
+    get :api_read, :id => gpx_files(:anon_trace_file).id
     assert_response :success
   end
-  
+
   # Check the api details for a trace that doesn't exist
-  def test_api_details_not_found
+  def test_api_read_not_found
     # Try first with no auth, as it should requure it
-    get :api_details, :id => 0
+    get :api_read, :id => 0
     assert_response :unauthorized
-    
+
     # Login, and try again
     basic_authorization(users(:public_user).display_name, "test")
-    get :api_details, :id => 0
+    get :api_read, :id => 0
+    assert_response :not_found
+
+    # Now try a trace which did exist but has been deleted
+    basic_authorization(users(:public_user).display_name, "test")
+    get :api_read, :id => 5
+    assert_response :not_found
+  end
+
+  # Check updating a trace through the api
+  def test_api_update
+    # First with no auth
+    content gpx_files(:public_trace_file).to_xml
+    put :api_update, :id => gpx_files(:public_trace_file).id
+    assert_response :unauthorized
+
+    # Now with some other user, which should fail
+    basic_authorization(users(:public_user).display_name, "test")
+    content gpx_files(:public_trace_file).to_xml
+    put :api_update, :id => gpx_files(:public_trace_file).id
+    assert_response :forbidden
+
+    # Now with a trace which doesn't exist
+    basic_authorization(users(:public_user).display_name, "test")
+    content gpx_files(:public_trace_file).to_xml
+    put :api_update, :id => 0
+    assert_response :not_found
+
+    # Now with a trace which did exist but has been deleted
+    basic_authorization(users(:public_user).display_name, "test")
+    content gpx_files(:deleted_trace_file).to_xml
+    put :api_update, :id => gpx_files(:deleted_trace_file).id
+    assert_response :not_found
+
+    # Now try an update with the wrong ID
+    basic_authorization(users(:normal_user).display_name, "test")
+    content gpx_files(:anon_trace_file).to_xml
+    put :api_update, :id => gpx_files(:public_trace_file).id
+    assert_response :bad_request, 
+       "should not be able to update a trace with a different ID from the XML"
+
+    # And finally try an update that should work
+    basic_authorization(users(:normal_user).display_name, "test")
+    t = gpx_files(:public_trace_file)
+    t.description = "Changed description"
+    t.visibility = "private"
+    content t.to_xml
+    put :api_update, :id => t.id
+    assert_response :success
+    nt = Trace.find(t.id)
+    assert_equal nt.description, t.description
+    assert_equal nt.visibility, t.visibility
+  end
+
+  # Check deleting a trace through the api
+  def test_api_delete
+    # First with no auth
+    delete :api_delete, :id => gpx_files(:public_trace_file).id
+    assert_response :unauthorized
+
+    # Now with some other user, which should fail
+    basic_authorization(users(:public_user).display_name, "test")
+    delete :api_delete, :id => gpx_files(:public_trace_file).id
+    assert_response :forbidden
+
+    # Now with a trace which doesn't exist
+    basic_authorization(users(:public_user).display_name, "test")
+    delete :api_delete, :id => 0
+    assert_response :not_found
+
+    # And finally we should be able to do it with the owner of the trace
+    basic_authorization(users(:normal_user).display_name, "test")
+    delete :api_delete, :id => gpx_files(:public_trace_file).id
+    assert_response :success
+
+    # Try it a second time, which should fail
+    basic_authorization(users(:normal_user).display_name, "test")
+    delete :api_delete, :id => gpx_files(:public_trace_file).id
     assert_response :not_found
   end
+
+private
+
+  def check_trace_feed(traces)
+    assert_response :success
+    assert_template "georss"
+    assert_equal "application/rss+xml", @response.content_type
+    assert_select "rss", :count => 1 do
+      assert_select "channel", :count => 1 do
+        assert_select "title"
+        assert_select "description"
+        assert_select "link"
+        assert_select "image"
+        assert_select "item", :count => traces.visible.count do |items|
+          traces.visible.order("timestamp DESC").zip(items).each do |trace,item|
+            assert_select item, "title", trace.name
+            assert_select item, "link", "http://test.host/user/#{trace.user.display_name}/traces/#{trace.id}"
+            assert_select item, "guid", "http://test.host/user/#{trace.user.display_name}/traces/#{trace.id}"
+            assert_select item, "description"
+#            assert_select item, "dc:creator", trace.user.display_name
+            assert_select item, "pubDate", trace.timestamp.rfc822
+          end
+        end
+      end
+    end
+  end
+
+  def check_trace_list(traces)
+    assert_response :success
+    assert_template "list"
+
+    if traces.count > 0
+      assert_select "table#trace_list tbody", :count => 1 do
+        assert_select "tr", :count => traces.visible.count do |rows|
+          traces.visible.order("timestamp DESC").zip(rows).each do |trace,row|
+            assert_select row, "span.trace_summary", Regexp.new(Regexp.escape("(#{trace.size} points)"))
+            assert_select row, "td", Regexp.new(Regexp.escape(trace.description))
+            assert_select row, "td", Regexp.new(Regexp.escape("by #{trace.user.display_name}"))
+          end
+        end
+      end
+    else
+      assert_select "h4", /Nothing here yet/
+    end
+  end
+
+  def check_trace_view(trace)
+    assert_response :success
+    assert_template "view"
+
+    assert_select "table", :count => 1 do
+      assert_select "td", /^#{Regexp.quote(trace.name)} /
+      assert_select "td", trace.user.display_name
+      assert_select "td", trace.description
+    end
+  end
+
+  def check_trace_data(trace, content_type = "application/gpx+xml", extension = "gpx")
+    assert_response :success
+    assert_equal content_type, @response.content_type
+    assert_equal "attachment; filename=\"#{trace.id}.#{extension}\"", @response.header["Content-Disposition"]
+  end
 end