From de86c08709b8c42c06c127fa83141e2338921dac Mon Sep 17 00:00:00 2001
From: Dan Allan <dallan@bnl.gov>
Date: Wed, 3 Apr 2024 16:54:05 -0400
Subject: [PATCH] Add unit tests for resource cache

---
 tiled/_tests/test_resource_cache.py | 45 +++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 tiled/_tests/test_resource_cache.py

diff --git a/tiled/_tests/test_resource_cache.py b/tiled/_tests/test_resource_cache.py
new file mode 100644
index 000000000..2c52b3adc
--- /dev/null
+++ b/tiled/_tests/test_resource_cache.py
@@ -0,0 +1,45 @@
+import cachetools
+
+from ..adapters.resource_cache import default_resource_cache, with_resource_cache
+
+
+def test_simple_cache():
+    counter = 0
+
+    def f():
+        nonlocal counter
+        counter += 1
+        return "some value"
+
+    cache = cachetools.Cache(maxsize=1)
+    with_resource_cache("test_key", f, _resource_cache=cache)
+    with_resource_cache("test_key", f, _resource_cache=cache)
+    assert counter == 1
+
+
+def test_default_cache():
+    counter = 0
+
+    def f():
+        nonlocal counter
+        counter += 1
+        return "some value"
+
+    cache = default_resource_cache()
+    with_resource_cache("test_key", f, _resource_cache=cache)
+    with_resource_cache("test_key", f, _resource_cache=cache)
+    assert counter == 1
+
+
+def test_cache_zero_size():
+    counter = 0
+
+    def f():
+        nonlocal counter
+        counter += 1
+        return "some value"
+
+    cache = cachetools.Cache(maxsize=0)
+    with_resource_cache("test_key", f, _resource_cache=cache)
+    with_resource_cache("test_key", f, _resource_cache=cache)
+    assert counter == 2