Merge branch 'fix/2593-reading-exported-config-file' into 'develop'

Reading the file, instead of config keyword in ReleaseRuntimeProvider

Closes #2593

See merge request pleroma/pleroma!3381

test/pleroma/config/release_runtime_provider_test.exs

@@ -0,0 +1,45 @@
+defmodule Pleroma.Config.ReleaseRuntimeProviderTest do
+  use ExUnit.Case, async: true
+
+  alias Pleroma.Config.ReleaseRuntimeProvider
+
+  describe "load/2" do
+    test "loads release defaults config and warns about non-existent runtime config" do
+      ExUnit.CaptureIO.capture_io(fn ->
+        merged = ReleaseRuntimeProvider.load([], [])
+        assert merged == Pleroma.Config.Holder.release_defaults()
+      end) =~
+        "!!! Config path is not declared! Please ensure it exists and that PLEROMA_CONFIG_PATH is unset or points to an existing file"
+    end
+
+    test "merged runtime config" do
+      merged =
+        ReleaseRuntimeProvider.load([], config_path: "test/fixtures/config/temp.secret.exs")
+
+      assert merged[:pleroma][:first_setting] == [key: "value", key2: [Pleroma.Repo]]
+      assert merged[:pleroma][:second_setting] == [key: "value2", key2: ["Activity"]]
+    end
+
+    test "merged exported config" do
+      ExUnit.CaptureIO.capture_io(fn ->
+        merged =
+          ReleaseRuntimeProvider.load([],
+            exported_config_path: "test/fixtures/config/temp.exported_from_db.secret.exs"
+          )
+
+        assert merged[:pleroma][:exported_config_merged]
+      end) =~
+        "!!! Config path is not declared! Please ensure it exists and that PLEROMA_CONFIG_PATH is unset or points to an existing file"
+    end
+
+    test "runtime config is merged with exported config" do
+      merged =
+        ReleaseRuntimeProvider.load([],
+          config_path: "test/fixtures/config/temp.secret.exs",
+          exported_config_path: "test/fixtures/config/temp.exported_from_db.secret.exs"
+        )
+
+      assert merged[:pleroma][:first_setting] == [key2: [Pleroma.Repo], key: "new value"]
+    end
+  end
+end