From c80cf4f63d1a0c7ab255c354bed83a7f816d8203 Mon Sep 17 00:00:00 2001
From: "Daniel W. Steinbrook" <dsteinbrook@gmail.com>
Date: Sun, 24 Nov 2024 20:57:10 -0500
Subject: [PATCH] Unit tests for cache

---
 src/state/cache.test.ts | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/state/cache.test.ts

diff --git a/src/state/cache.test.ts b/src/state/cache.test.ts
new file mode 100644
index 0000000..c926064
--- /dev/null
+++ b/src/state/cache.test.ts
@@ -0,0 +1,38 @@
+import { cache } from "./cache";
+import { expect } from "chai";
+
+describe("cache", () => {
+  it('should be empty for unloaded tiles', () => {
+    cache.getFeatures("16/18109/23965").then((result) => {
+      expect(result.length).to.equal(0);
+    });
+  });
+
+  it('should store and retrieve features', () => {
+    // Real feature extracted from tile
+    cache.addFeature({
+      "feature_type": "amenity",
+      "feature_value": "cafe",
+      "geometry": {
+        "coordinates": [-80.52166, 43.463198],
+        "type": "Point"
+      },
+      "osm_ids": [503048818],
+      "properties": {
+        "amenity": "cafe",
+        "cuisine": "bubble_tea",
+        "name": "The Bingsu"
+      },
+      "type": "Feature"
+    },
+    "16/18109/23965");
+
+    cache.getFeatures("16/18109/23965").then((result) => {
+      expect(result.length).to.equal(1);
+      expect(result[0]).to.include({
+        "feature_type": "amenity",
+        "feature_value": "cafe",  
+      });
+    });
+  });
+});
\ No newline at end of file