fix flaky test filter_controller_test.exs:200

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

@@ -3,9 +3,10 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.MastodonAPI.FilterControllerTest do
-  use Pleroma.Web.ConnCase, async: true
+  use Pleroma.Web.ConnCase, async: false
   use Oban.Testing, repo: Pleroma.Repo
 
+  import Mock
   import Pleroma.Factory
 
   alias Pleroma.Filter
@@ -53,6 +54,7 @@ test "a filter with expires_in", %{conn: conn, user: user} do
       in_seconds = 600
 
       response =
+        with_mock NaiveDateTime, [:passthrough], utc_now: fn -> ~N[2017-03-17 17:09:58] end do
           conn
           |> put_req_header("content-type", "application/json")
           |> post("/api/v1/filters", %{
@@ -61,16 +63,10 @@ test "a filter with expires_in", %{conn: conn, user: user} do
             expires_in: in_seconds
           })
           |> json_response_and_validate_schema(200)
+        end
 
       assert response["irreversible"] == false
-
-      expected_expiration =
-        NaiveDateTime.utc_now()
-        |> NaiveDateTime.add(in_seconds)
-
-      {:ok, actual_expiration} = NaiveDateTime.from_iso8601(response["expires_at"])
-
-      assert abs(NaiveDateTime.diff(expected_expiration, actual_expiration)) <= 5
+      assert response["expires_at"] == "2017-03-17T17:19:58.000Z"
 
       filter = Filter.get(response["id"], user)
 
@@ -177,12 +173,12 @@ test "common" do
       assert response["whole_word"] == true
     end
 
-    @tag :erratic
     test "with adding expires_at", %{conn: conn, user: user} do
       filter = insert(:filter, user: user)
       in_seconds = 600
 
       response =
+        with_mock NaiveDateTime, [:passthrough], utc_now: fn -> ~N[2017-03-17 17:09:58] end do
           conn
           |> put_req_header("content-type", "application/json")
           |> put("/api/v1/filters/#{filter.filter_id}", %{
@@ -192,13 +188,10 @@ test "with adding expires_at", %{conn: conn, user: user} do
             irreversible: true
           })
           |> json_response_and_validate_schema(200)
+        end
 
       assert response["irreversible"] == true
-
-      assert response["expires_at"] ==
-               NaiveDateTime.utc_now()
-               |> NaiveDateTime.add(in_seconds)
-               |> Pleroma.Web.CommonAPI.Utils.to_masto_date()
+      assert response["expires_at"] == "2017-03-17T17:19:58.000Z"
 
       filter = Filter.get(response["id"], user)