Support rectangular matrix with less sources than targets

features/step_definitions/distance_matrix.rb

@@ -1,5 +1,4 @@
 When /^I request a travel time matrix I should get$/ do |table|
-  
   no_route = 2147483647   # MAX_INT
   
   raise "*** Top-left cell of matrix table must be empty" unless table.headers[0]==""
@@ -7,7 +6,7 @@ When /^I request a travel time matrix I should get$/ do |table|
   nodes = []
   column_headers = table.headers[1..-1]
   row_headers = table.rows.map { |h| h.first }
-  unless column_headers==row_headers
+  unless column_headers==row_headers || @query_params['src']
     raise "*** Column and row headers must match in matrix table, got #{column_headers.inspect} and #{row_headers.inspect}"
   end
   column_headers.each do |node_name|
@@ -23,6 +22,10 @@ When /^I request a travel time matrix I should get$/ do |table|
     
     # compute matrix
     params = @query_params
+    if params['src']
+      node = find_node_by_name(params['src'])
+      params['src'] = node.lat + ',' + node.lon
+    end
     response = request_table nodes, params
     if response.body.empty? == false
       json = JSON.parse response.body

features/testbot/distance_matrix.feature

@@ -100,3 +100,24 @@ Feature: Basic Distance Matrix
             | y | 500 | 0   | 300 | 200 |
             | d | 200 | 300 | 0   | 300 |
             | e | 300 | 400 | 100 | 0   |
+
+    Scenario: Testbot - Travel time matrix and mapped coordinates with only one source
+        Given the node map
+            | a | b | c |
+            | d | e | f |
+
+        And the ways
+            | nodes |
+            | abc   |
+            | def   |
+            | ad    |
+            | be    |
+            | cf    |
+
+        And the query options
+            | mapped_points | true |
+            | src | a |
+
+        When I request a travel time matrix I should get
+            |   | a   | b   | e   | f   |
+            | a | 0   | 100 | 200 | 300 |