Test that healthchecks behave correctly for the expected HTTP responses

test/pleroma/search/healthcheck_test.exs

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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2024 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Search.HealthcheckTest do
+  use Pleroma.DataCase
+
+  import Tesla.Mock
+
+  alias Pleroma.Search.Healthcheck
+
+  @good1 "http://good1.example.com/healthz"
+  @good2 "http://good2.example.com/health"
+  @bad "http://bad.example.com/healthy"
+
+  setup do
+    mock(fn
+      %{method: :get, url: @good1} ->
+        %Tesla.Env{
+          status: 200,
+          body: ""
+        }
+
+      %{method: :get, url: @good2} ->
+        %Tesla.Env{
+          status: 200,
+          body: ""
+        }
+
+      %{method: :get, url: @bad} ->
+        %Tesla.Env{
+          status: 503,
+          body: ""
+        }
+    end)
+
+    :ok
+  end
+
+  test "true for 200 responses" do
+    assert Healthcheck.check([@good1])
+    assert Healthcheck.check([@good1, @good2])
+  end
+
+  test "false if any response is not a 200" do
+    refute Healthcheck.check([@bad])
+    refute Healthcheck.check([@good1, @bad])
+  end
+end