trekking: add whether there is a usable cycleway in the isbike bike hint (v2)

brouter-core/src/test/java/btools/router/RoutingEngineTest.java

@@ -39,16 +39,28 @@ public void routeDestinationPointFarOff() {
     Assert.assertTrue(msg, msg != null && msg.contains("not found"));
   }
 
+  // check that a (short) route and an alternative route can be computed
+  // while explicitely overriding a routing profile parameter
   @Test
   public void overrideParam() {
+    // 1st route computing (with param)
     RoutingContext rctx = new RoutingContext();
     rctx.keyValues = new HashMap<>();
     rctx.keyValues.put("avoid_unsafe", "1.0");
     String msg = calcRoute(8.723037, 50.000491, 8.712737, 50.002899, "paramTrack", rctx);
-    Assert.assertNull("routing failed: " + msg, msg);
+    Assert.assertNull("routing failed (paramTrack 1st route): " + msg, msg);
+    // 2nd route computing (same from/to & same param)
+    rctx = new RoutingContext();
+    rctx.keyValues = new HashMap<>();
+    rctx.keyValues.put("avoid_unsafe", "1.0");
+    msg = calcRoute(8.723037, 50.000491, 8.712737, 50.002899, "paramTrack", rctx);
+    Assert.assertNull("routing failed (paramTrack 2nd route): " + msg, msg);
 
-    File trackFile = new File(workingDir, "paramTrack1.gpx");
+    File trackFile = new File(workingDir, "paramTrack0.gpx");
+    trackFile.deleteOnExit();
+    trackFile = new File(workingDir, "paramTrack1.gpx");
     trackFile.deleteOnExit();
+    // checks if a gpx file has been created for the alternative route
     Assert.assertTrue("result content mismatch", trackFile.exists());
   }
 

brouter-server/src/test/java/btools/server/RouteServerTest.java

@@ -93,7 +93,7 @@ public void overrideParameter() throws IOException, URISyntaxException {
 
     InputStream inputStream = httpConnection.getInputStream();
     JSONObject geoJson = new JSONObject(new String(inputStream.readAllBytes(), StandardCharsets.UTF_8));
-    Assert.assertEquals("1570", geoJson.query("/features/0/properties/track-length"));
+    Assert.assertEquals("1455", geoJson.query("/features/0/properties/track-length"));
   }
 
   @Test

misc/profiles2/trekking.brf

@@ -76,7 +76,28 @@ assign is_ldcr =
      if ignore_cycleroutes then false
      else any_cycleroute
 
-assign isbike = or bicycle_road=yes or bicycle=yes or or bicycle=permissive bicycle=designated lcn=yes
+assign badoneway =
+       if reversedirection=yes then
+         if oneway:bicycle=yes then true
+         else if oneway= then junction=roundabout
+         else oneway=yes|true|1
+       else oneway=-1
+
+# set isbike considering access, local cycle route or the presence of a usable cycleway on the highway
+assign isbike =
+       or or bicycle_road=yes or bicycle=yes|permissive|designated lcn=yes  # also add cyclestreet=yes when lookup has it
+       or cycleway=lane|track|shared_lane|share_busway
+       or and badoneway cycleway=opposite|opposite_lane|opposite_track
+       or
+         and cycleway:left=lane|track|shared_lane|share_busway
+           switch badoneway
+             cycleway:left:oneway=no|-1
+             true
+         and cycleway:right=lane|track|shared_lane|share_busway
+           switch badoneway
+             cycleway:right:oneway=no|-1
+             true
+
 assign ispaved = or surface=paved|asphalt|concrete|paving_stones|sett smoothness=excellent|good
 assign isunpaved = not or surface= or ispaved or surface=fine_gravel|cobblestone smoothness=intermediate|bad
 assign probablyGood = or ispaved and ( or isbike highway=footway ) not isunpaved
@@ -155,13 +176,6 @@ assign accesspenalty =
 # 4 to the costfactor (making it at least 5 - you are allowed
 # to push your bike)
 #
-assign badoneway =
-       if reversedirection=yes then
-         if oneway:bicycle=yes then true
-         else if oneway= then junction=roundabout
-         else oneway=yes|true|1
-       else oneway=-1
-
 assign onewaypenalty =
        if ( badoneway ) then
        (