2 files changed, 12 insertions, 3 deletions
diff --git a/test/pleroma/instances/instance_test.exs b/test/pleroma/instances/instance_test.exs
index 4f0805100..2c6389e4f 100644
--- a/test/pleroma/instances/instance_test.exs
+++ b/test/pleroma/instances/instance_test.exs
@@ -3,6 +3,7 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Instances.InstanceTest do
+  alias Pleroma.Instances
   alias Pleroma.Instances.Instance
   alias Pleroma.Repo
 
@@ -148,5 +149,13 @@ defmodule Pleroma.Instances.InstanceTest do
                         )
              end) =~ "Instance.scrape_favicon(\"https://no-favicon.example.org/\") error: "
     end
+
+    test "Doesn't scrapes unreachable instances" do
+      instance = insert(:instance, unreachable_since: Instances.reachability_datetime_threshold())
+      url = "https://" <> instance.host
+
+      assert capture_log(fn -> assert nil == Instance.get_or_update_favicon(URI.parse(url)) end) =~
+               "Instance.scrape_favicon(\"#{url}\") ignored unreachable host"
+    end
   end
 end
diff --git a/test/pleroma/instances_test.exs b/test/pleroma/instances_test.exs
index d2618025c..5d0ce6237 100644
--- a/test/pleroma/instances_test.exs
+++ b/test/pleroma/instances_test.exs
@@ -32,9 +32,9 @@ defmodule Pleroma.InstancesTest do
       assert Instances.reachable?(URI.parse(url).host)
     end
 
-    test "returns true on non-binary input" do
-      assert Instances.reachable?(nil)
-      assert Instances.reachable?(1)
+    test "raises FunctionClauseError exception on non-binary input" do
+      assert_raise FunctionClauseError, fn -> Instances.reachable?(nil) end
+      assert_raise FunctionClauseError, fn -> Instances.reachable?(1) end
     end
   end