First version of unit handling: canonicalizing on input

test/TestAll.ts

@@ -33,7 +33,9 @@ const allTests = [
     new GeoOperationsSpec(),
     new ImageSearcherSpec(),
     new ThemeSpec(),
-    new UtilsSpec()]
+    new UtilsSpec(),
+    new UtilsSpec()
+]
 
 
 for (const test of allTests) {

test/Units.spec.ts

@@ -0,0 +1,33 @@
+import T from "./TestHelper";
+import {Unit} from "../Customizations/JSON/Unit";
+import {equal} from "assert";
+
+export default class UnitsSpec extends T {
+
+    constructor() {
+        super("Units", [
+            ["Simple canonicalize", () => {
+
+                const unit = new Unit({
+                    canonicalDenomination: "m",
+                    alternativeDenomination: ["meter"],
+                    'default': true,
+                    human: {
+                        en: "meter"
+                    }
+                }, "test")
+
+                equal(unit.canonicalValue("42m"), "42m")
+                equal(unit.canonicalValue("42"), "42m")
+                equal(unit.canonicalValue("42 m"), "42m")
+                equal(unit.canonicalValue("42 meter"), "42m")
+
+
+            }]
+
+
+        ]);
+
+    }
+
+}