Restructure Obvious Turn Handling, code transfer from #4426

features/guidance/turn-lanes.feature

@@ -614,8 +614,9 @@ Feature: Turn Lane Guidance
                  | |
                  | |
                  b d
-            h     c
-             ' -- g - - f
+            h-----c
+                  | `-f
+                  g
             """
 
         And the ways

features/guidance/turn.feature

@@ -964,15 +964,15 @@ Feature: Simple Turns
         Given the node map
             """
                   g
-
-                  f     y
-            i
-            j k a   b   x
-                  e   c
-                    d
-
+                  |
+               _--f-----y
+            i-'   |
+            j-k-a]|[b---x
+                  e  'c
+                  |'d'
+                  |
                   h
-
+                  |
                   q
             """
 
@@ -1373,6 +1373,36 @@ Feature: Simple Turns
             | a,d       | ab,bcd,bcd   | depart,fork slight right,arrive |
             | a,g       | ab,befg,befg | depart,fork slight left,arrive  |
 
+	@routing @car
+    Scenario: No turn instruction when turning from unnamed onto unnamed
+        Given the node map
+            """
+            a
+            |
+            |
+            |
+            |
+            b----------------c
+            |
+            |
+            |
+            |
+            |
+            |
+            d
+            """
+
+        And the ways
+            | nodes | highway     | name | ref   |
+            | ab    | trunk_link  |      |       |
+            | db    | secondary   |      | L 460 |
+            | bc    | secondary   |      |       |
+
+        When I route I should get
+            | from | to | route | ref          | turns                    |
+            | d    | c  | ,,    | L 460,,      | depart,turn right,arrive |
+            | c    | d  | ,,    | ,L 460,L 460 | depart,turn left,arrive  |
+
     # https://www.openstreetmap.org/#map=18/52.25130/10.42545
     Scenario: Turn for roads with no name, ref changes
         Given the node map

features/options/extract/turn_function.feature

@@ -152,7 +152,7 @@ Feature: Turn Function Information
         And stdout should contain "number_of_roads 3"
         And stdout should contain "source_priority_class 4"
         And stdout should contain "target_priority_class 0"
-        And stdout should contain "target_priority_class 11"
+        And stdout should contain "target_priority_class 10"
         # turning abd, give information about bc
         And stdout should contain /roads_on_the_right \[1\] speed: [0-9]+, is_incoming: false, is_outgoing: true, highway_turn_classification: 4, access_turn_classification: 0/
         # turning abc, give information about bd
@@ -180,7 +180,3 @@ Feature: Turn Function Information
         And stdout should contain /roads_on_the_right \[1\] speed: [0-9]+, is_incoming: true, is_outgoing: false, highway_turn_classification: 3, access_turn_classification: 0/
         # turning abc, give information about about db
         And stdout should contain /roads_on_the_left \[1\] speed: [0-9]+, is_incoming: true, is_outgoing: false, highway_turn_classification: 0, access_turn_classification: 1/
-
-
-
-