Dedupe poll options

test/pleroma/web/mastodon_api/controllers/status_controller_test.exs

@@ -724,6 +724,32 @@ defmodule Pleroma.Web.MastodonAPI.StatusControllerTest do
       assert object.data["type"] == "Question"
       assert length(object.data["oneOf"]) == 3
     end
+
+    test "cannot have only one option", %{conn: conn} do
+      conn =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> post("/api/v1/statuses", %{
+          "status" => "desu~",
+          "poll" => %{"options" => ["mew"], "expires_in" => 1}
+        })
+
+      %{"error" => error} = json_response_and_validate_schema(conn, 422)
+      assert error == "Poll must contain at least 2 options"
+    end
+
+    test "cannot have only duplicated options", %{conn: conn} do
+      conn =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> post("/api/v1/statuses", %{
+          "status" => "desu~",
+          "poll" => %{"options" => ["mew", "mew"], "expires_in" => 1}
+        })
+
+      %{"error" => error} = json_response_and_validate_schema(conn, 422)
+      assert error == "Poll must contain at least 2 options"
+    end
   end
 
   test "get a status" do