From 5b2e3a303c5c7cde37e55a463c3ef79324c59bbe Mon Sep 17 00:00:00 2001
From: Ilja <672-ilja@users.noreply.git.pleroma.social>
Date: Wed, 24 Aug 2022 15:24:57 +0000
Subject: [PATCH] fix flaky test filter_controller_test.exs:200

---
 .../controllers/filter_controller_test.exs    | 57 ++++++++-----------
 1 file changed, 25 insertions(+), 32 deletions(-)

diff --git a/test/pleroma/web/mastodon_api/controllers/filter_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/filter_controller_test.exs
index ba4628fc5..faa35f199 100644
--- a/test/pleroma/web/mastodon_api/controllers/filter_controller_test.exs
+++ b/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
@@ -53,24 +54,19 @@ defmodule Pleroma.Web.MastodonAPI.FilterControllerTest do
       in_seconds = 600
 
       response =
-        conn
-        |> put_req_header("content-type", "application/json")
-        |> post("/api/v1/filters", %{
-          "phrase" => "knights",
-          context: ["home"],
-          expires_in: in_seconds
-        })
-        |> json_response_and_validate_schema(200)
+        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", %{
+            "phrase" => "knights",
+            context: ["home"],
+            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)
 
@@ -177,28 +173,25 @@ defmodule Pleroma.Web.MastodonAPI.FilterControllerTest 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 =
-        conn
-        |> put_req_header("content-type", "application/json")
-        |> put("/api/v1/filters/#{filter.filter_id}", %{
-          phrase: "nii",
-          context: ["public"],
-          expires_in: in_seconds,
-          irreversible: true
-        })
-        |> json_response_and_validate_schema(200)
+        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}", %{
+            phrase: "nii",
+            context: ["public"],
+            expires_in: in_seconds,
+            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)