Add better ferry handling

AspectedRouting.Test/FunctionsTest.cs

@@ -341,5 +341,27 @@ namespace AspectedRouting.Test
             newTypes = exprs.SpecializeToCommonTypes(out var _);
             Assert.Single(newTypes);
         }
+
+
+        [Fact]
+        public void ParseFunction_InvalidInput_NullOutput()
+        {
+            var f = Funcs.Parse;
+            var c = new Context();
+            var result = f.Evaluate(c, new Constant("abc"));
+
+            Assert.Null(result);
+        }
+        
+        [Fact]
+        public void ParseFunction_Duration_TotalMinutes()
+        {
+            var f = Funcs.Parse;
+            var c = new Context();
+            var result = f.Evaluate(c, new Constant("01:15"));
+
+            Assert.Equal(75, result);
+        }
+
     }
 }

AspectedRouting.sln.DotSettings.user

@@ -1,4 +1,5 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
-	<s:String x:Key="/Default/Environment/UnitTesting/UnitTestSessionStore/Sessions/=acd4e5d9_002D8d57_002D4495_002Da7aa_002D38598b9e98e0/@EntryIndexedValue">&lt;SessionState ContinuousTestingIsOn="False" ContinuousTestingMode="0" FrameworkVersion="{x:Null}" IsLocked="False" Name="All tests from &amp;lt;AspectedRouting.Test&amp;gt;" PlatformMonoPreference="{x:Null}" PlatformType="{x:Null}" xmlns="urn:schemas-jetbrains-com:jetbrains-ut-session" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"&gt;
+	<s:String x:Key="/Default/Environment/UnitTesting/UnitTestSessionStore/Sessions/=46c4a96e_002D61f1_002D4d55_002Da7ff_002D649a683870dc/@EntryIndexedValue">&lt;SessionState ContinuousTestingIsOn="False" ContinuousTestingMode="0" FrameworkVersion="{x:Null}" IsLocked="False" Name="ParseFunction_Duration_TotalMinutes" PlatformMonoPreference="{x:Null}" PlatformType="{x:Null}" xmlns="urn:schemas-jetbrains-com:jetbrains-ut-session" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"&gt;
   &lt;Project Location="/home/pietervdvn/werk/AspectedRouting/AspectedRouting.Test" Presentation="&amp;lt;AspectedRouting.Test&amp;gt;" /&gt;
-&lt;/SessionState&gt;</s:String></wpf:ResourceDictionary>
+&lt;/SessionState&gt;</s:String>
+	</wpf:ResourceDictionary>

Profiles/bicycle/bicycle.json

@@ -22,6 +22,7 @@
     "$min": [
       "$legal_maxspeed_be",
       "#maxspeed",
+      "$ferry_speed",
       {
         "$multiply": [
           "#defaultSpeed",

Profiles/general/ferry_speed.json

@@ -0,0 +1,35 @@
+{
+  "name": "ferry_speed",
+  "description": "Gives the expected speed for a ferry. This includes the time needed to board and the expected waiting time (if duration is present). This uses the tag '_length', which is expected to be added by the preprocessing-step.",
+  "unit": "km/h",
+  "value": {
+    "$ifDotted": {
+      "route": {
+        "ferry": "yes"
+      }
+    },
+    "then": {
+      "#": "(length (m) / (duration (minutes) + 5 minutes slack)) * 0.06 minutes/kilometer",
+      "$multiply": [
+        {
+          "#": "The default value is chosen so that it defaults to 1km/h",
+          "$default": 83.33333333333333,
+          "value": {
+            "_length": "$parse"
+          }
+        },
+        {
+          "$inv": {
+            "$sum": [
+              {
+                "duration": "$parse"
+              },
+              5
+            ]
+          }
+        },
+        0.06
+      ]
+    }
+  }
+}

Profiles/general/ferry_speed.test.csv

@@ -0,0 +1,5 @@
+expected,route,duration,interval,_length,comment
+1,ferry,,,
+2,ferry,25,,1000,25 minutes duration + 5 minutes to get on is 30 minutes total for one kilometer -> 2 km/h
+4,ferry,10,,1000,10 minutes duration + 5 minutes to get on is 15 minutes total for one kilometer -> 4km/h
+null,,,,Ferry is not set

Profiles/general/legal_maxspeed_be.json

@@ -7,8 +7,7 @@
     "$firstMatchOf": [
       "maxspeed",
       "designation",
-      "highway",
-      "route"
+      "highway"
     ],
     "value": {
       "maxspeed": "$parse",
@@ -37,10 +36,6 @@
       },
       "designation": {
         "towpath": 30
-      },
-      "route": {
-        "#": "A ferry often goes once every half-an-hour, to cross like 100m; in other words: 0.2km/h",
-        "ferry": 0.2
       }
     }
   }