Add a simple test for clearing caches

test/teiserver/caches_test.exs

@@ -0,0 +1,25 @@
+defmodule Teiserver.CachesTest do
+  use Teiserver.DataCase, async: false
+
+  # This module is merely here to check that
+  # Teiserver.TeiserverTestLib.clear_all_con_caches does indeed clear the advertised
+  # cache across tests.
+  # because all queries rely heavily on caches, it's important to clear them between
+  # tests so as not to pollute other tests
+
+  test "Clear user caches 1" do
+    name = "ClearDbEachTestUser"
+    assert is_nil(Teiserver.CacheUser.get_user_by_name(name))
+    user = Teiserver.TeiserverTestLib.new_user(name)
+    result = Teiserver.CacheUser.get_user_by_id(user.id)
+    assert result[:name] == name
+  end
+
+  test "Clear user caches 2" do
+    name = "ClearDbEachTestUser"
+    assert is_nil(Teiserver.CacheUser.get_user_by_name(name))
+    user = Teiserver.TeiserverTestLib.new_user(name)
+    result = Teiserver.CacheUser.get_user_by_id(user.id)
+    assert result[:name] == name
+  end
+end