Add is_seen to MastoAPI notifications, extract rendering logic into separate NotificationView, add tests

test/web/mastodon_api/notification_view_test.exs

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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.NotificationViewTest do
+  use Pleroma.DataCase
+
+  alias Pleroma.Activity
+  alias Pleroma.Notification
+  alias Pleroma.Repo
+  alias Pleroma.User
+  alias Pleroma.Web.CommonAPI
+  alias Pleroma.Web.CommonAPI.Utils
+  alias Pleroma.Web.MastodonAPI.AccountView
+  alias Pleroma.Web.MastodonAPI.NotificationView
+  alias Pleroma.Web.MastodonAPI.StatusView
+  import Pleroma.Factory
+
+  test "Mention notification" do
+    user = insert(:user)
+    mentioned_user = insert(:user)
+    {:ok, activity} = CommonAPI.post(user, %{"status" => "hey @#{mentioned_user.nickname}"})
+    {:ok, [notification]} = Notification.create_notifications(activity)
+    user = Repo.get(User, user.id)
+
+    expected = %{
+      id: to_string(notification.id),
+      pleroma: %{is_seen: false},
+      type: "mention",
+      account: AccountView.render("account.json", %{user: user, for: mentioned_user}),
+      status: StatusView.render("status.json", %{activity: activity, for: mentioned_user}),
+      created_at: Utils.to_masto_date(notification.inserted_at)
+    }
+
+    result =
+      NotificationView.render("index.json", %{notifications: [notification], for: mentioned_user})
+
+    assert [expected] == result
+  end
+
+  test "Favourite notification" do
+    user = insert(:user)
+    another_user = insert(:user)
+    {:ok, create_activity} = CommonAPI.post(user, %{"status" => "hey"})
+    {:ok, favorite_activity, _object} = CommonAPI.favorite(create_activity.id, another_user)
+    {:ok, [notification]} = Notification.create_notifications(favorite_activity)
+    create_activity = Repo.get(Activity, create_activity.id)
+
+    expected = %{
+      id: to_string(notification.id),
+      pleroma: %{is_seen: false},
+      type: "favourite",
+      account: AccountView.render("account.json", %{user: another_user, for: user}),
+      status: StatusView.render("status.json", %{activity: create_activity, for: user}),
+      created_at: Utils.to_masto_date(notification.inserted_at)
+    }
+
+    result = NotificationView.render("index.json", %{notifications: [notification], for: user})
+
+    assert [expected] == result
+  end
+
+  test "Reblog notification" do
+    user = insert(:user)
+    another_user = insert(:user)
+    {:ok, create_activity} = CommonAPI.post(user, %{"status" => "hey"})
+    {:ok, reblog_activity, _object} = CommonAPI.repeat(create_activity.id, another_user)
+    {:ok, [notification]} = Notification.create_notifications(reblog_activity)
+    reblog_activity = Repo.get(Activity, create_activity.id)
+
+    expected = %{
+      id: to_string(notification.id),
+      pleroma: %{is_seen: false},
+      type: "reblog",
+      account: AccountView.render("account.json", %{user: another_user, for: user}),
+      status: StatusView.render("status.json", %{activity: reblog_activity, for: user}),
+      created_at: Utils.to_masto_date(notification.inserted_at)
+    }
+
+    result = NotificationView.render("index.json", %{notifications: [notification], for: user})
+
+    assert [expected] == result
+  end
+
+  test "Follow notification" do
+    follower = insert(:user)
+    followed = insert(:user)
+    {:ok, follower, followed, _activity} = CommonAPI.follow(follower, followed)
+    notification = Notification |> Repo.one() |> Repo.preload(:activity)
+
+    expected = %{
+      id: to_string(notification.id),
+      pleroma: %{is_seen: false},
+      type: "follow",
+      account: AccountView.render("account.json", %{user: follower, for: followed}),
+      created_at: Utils.to_masto_date(notification.inserted_at)
+    }
+
+    result =
+      NotificationView.render("index.json", %{notifications: [notification], for: followed})
+
+    assert [expected] == result
+  end
+end