Feature/826 healthcheck endpoint

test/healthcheck_test.exs

@@ -0,0 +1,22 @@
+defmodule Pleroma.HealthcheckTest do
+  use Pleroma.DataCase
+  alias Pleroma.Healthcheck
+
+  test "system_info/0" do
+    result = Healthcheck.system_info() |> Map.from_struct()
+
+    assert Map.keys(result) == [:active, :healthy, :idle, :memory_used, :pool_size]
+  end
+
+  describe "check_health/1" do
+    test "pool size equals active connections" do
+      result = Healthcheck.check_health(%Healthcheck{pool_size: 10, active: 10})
+      refute result.healthy
+    end
+
+    test "chech_health/1" do
+      result = Healthcheck.check_health(%Healthcheck{pool_size: 10, active: 9})
+      assert result.healthy
+    end
+  end
+end