Rename tests to test; add a few tests

test/Logic/OSM/Changes.spec.ts

@@ -0,0 +1,42 @@
+import {expect} from 'chai'
+import {ChangeDescription} from "../../../Logic/Osm/Actions/ChangeDescription";
+import {Changes} from "../../../Logic/Osm/Changes";
+
+it("Generate preXML from changeDescriptions", () => {
+    const changeDescrs: ChangeDescription[] = [
+        {
+            type: "node",
+            id: -1,
+            changes: {
+                lat: 42,
+                lon: -8
+            },
+            tags: [{k: "someKey", v: "someValue"}],
+            meta: {
+                changeType: "create",
+                theme: "test"
+            }
+        },
+        {
+            type: "node",
+            id: -1,
+            tags: [{k: 'foo', v: 'bar'}],
+            meta: {
+                changeType: "answer",
+                theme: "test"
+            }
+        }
+    ]
+    const c = new Changes()
+    const descr = c.CreateChangesetObjects(
+        changeDescrs,
+        []
+    )
+    expect(descr.modifiedObjects).length(0)
+    expect(descr.deletedObjects).length(0)
+    expect(descr.newObjects).length(1)
+
+    const ch = descr.newObjects[0]
+    expect(ch.tags["foo"]).eq("bar")
+    expect(ch.tags["someKey"]).eq("someValue")
+})