Merge branch 'develop' into 'from/upstream-develop/tusooa/edits'

# Conflicts:
#   lib/pleroma/constants.ex

16 files changed, 828 insertions, 9 deletions

diff --git a/test/fixtures/image_with_caption-abstract.jpg b/test/fixtures/image_with_caption-abstract.jpg
new file mode 100644
index 000000000..f982ffa81
--- /dev/null
+++ b/test/fixtures/image_with_caption-abstract.jpg
diff --git a/test/fixtures/image_with_imagedescription_and_caption-abstract.jpg b/test/fixtures/image_with_imagedescription_and_caption-abstract.jpg
new file mode 100644
index 000000000..c82a269ef
--- /dev/null
+++ b/test/fixtures/image_with_imagedescription_and_caption-abstract.jpg
diff --git a/test/fixtures/image_with_imagedescription_and_caption-abstract_whitespaces.jpg b/test/fixtures/image_with_imagedescription_and_caption-abstract_whitespaces.jpg
new file mode 100644
index 000000000..a232fd2a1
--- /dev/null
+++ b/test/fixtures/image_with_imagedescription_and_caption-abstract_whitespaces.jpg
diff --git a/test/fixtures/image_with_no_description.jpg b/test/fixtures/image_with_no_description.jpg
new file mode 100644
index 000000000..ec6fc4be8
--- /dev/null
+++ b/test/fixtures/image_with_no_description.jpg
diff --git a/test/mix/tasks/pleroma/instance_test.exs b/test/mix/tasks/pleroma/instance_test.exs
index 249689ec6..b1c10e03c 100644
--- a/test/mix/tasks/pleroma/instance_test.exs
+++ b/test/mix/tasks/pleroma/instance_test.exs
@@ -67,7 +67,9 @@ defmodule Mix.Tasks.Pleroma.InstanceTest do
         "test/uploads",
         "--static-dir",
         "./test/../test/instance/static/",
-        "--strip-uploads",
+        "--strip-uploads-location",
+        "y",
+        "--read-uploads-description",
         "y",
         "--dedupe-uploads",
         "n",
@@ -91,7 +93,10 @@ defmodule Mix.Tasks.Pleroma.InstanceTest do
     assert generated_config =~ "password: \"dbpass\""
     assert generated_config =~ "configurable_from_database: true"
     assert generated_config =~ "http: [ip: {127, 0, 0, 1}, port: 4000]"
-    assert generated_config =~ "filters: [Pleroma.Upload.Filter.Exiftool]"
+
+    assert generated_config =~
+             "filters: [Pleroma.Upload.Filter.Exiftool.StripLocation, Pleroma.Upload.Filter.Exiftool.ReadDescription]"
+
     assert File.read!(tmp_path() <> "setup.psql") == generated_setup_psql()
     assert File.exists?(Path.expand("./test/instance/static/robots.txt"))
   end
diff --git a/test/pleroma/announcement_read_relationship_test.exs b/test/pleroma/announcement_read_relationship_test.exs
new file mode 100644
index 000000000..5fd4ffbef
--- /dev/null
+++ b/test/pleroma/announcement_read_relationship_test.exs
@@ -0,0 +1,40 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.AnnouncementReadRelationshipTest do
+  alias Pleroma.AnnouncementReadRelationship
+
+  use Pleroma.DataCase, async: true
+
+  import Pleroma.Factory
+
+  setup do
+    {:ok, user: insert(:user), announcement: insert(:announcement)}
+  end
+
+  describe "mark_read/2" do
+    test "should insert relationship", %{user: user, announcement: announcement} do
+      {:ok, _} = AnnouncementReadRelationship.mark_read(user, announcement)
+
+      assert AnnouncementReadRelationship.exists?(user, announcement)
+    end
+  end
+
+  describe "mark_unread/2" do
+    test "should delete relationship", %{user: user, announcement: announcement} do
+      {:ok, _} = AnnouncementReadRelationship.mark_read(user, announcement)
+
+      assert :ok = AnnouncementReadRelationship.mark_unread(user, announcement)
+      refute AnnouncementReadRelationship.exists?(user, announcement)
+    end
+
+    test "should not fail if relationship does not exist", %{
+      user: user,
+      announcement: announcement
+    } do
+      assert :ok = AnnouncementReadRelationship.mark_unread(user, announcement)
+      refute AnnouncementReadRelationship.exists?(user, announcement)
+    end
+  end
+end
diff --git a/test/pleroma/announcement_test.exs b/test/pleroma/announcement_test.exs
new file mode 100644
index 000000000..a007c3718
--- /dev/null
+++ b/test/pleroma/announcement_test.exs
@@ -0,0 +1,98 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.AnnouncementTest do
+  alias Pleroma.Announcement
+
+  use Pleroma.DataCase, async: true
+
+  import Pleroma.Factory
+
+  describe "list_all_visible_when/1" do
+    setup do: {:ok, time: NaiveDateTime.utc_now()}
+
+    test "with no start or end time", %{time: time} do
+      _announcement = insert(:announcement)
+
+      assert [_] = Announcement.list_all_visible_when(time)
+    end
+
+    test "with start time before current", %{time: time} do
+      before_now = NaiveDateTime.add(time, -10, :second)
+
+      _announcement = insert(:announcement, %{starts_at: before_now})
+
+      assert [_] = Announcement.list_all_visible_when(time)
+    end
+
+    test "with start time after current", %{time: time} do
+      after_now = NaiveDateTime.add(time, 10, :second)
+
+      _announcement = insert(:announcement, %{starts_at: after_now})
+
+      assert [] = Announcement.list_all_visible_when(time)
+    end
+
+    test "with end time after current", %{time: time} do
+      after_now = NaiveDateTime.add(time, 10, :second)
+
+      _announcement = insert(:announcement, %{ends_at: after_now})
+
+      assert [_] = Announcement.list_all_visible_when(time)
+    end
+
+    test "with end time before current", %{time: time} do
+      before_now = NaiveDateTime.add(time, -10, :second)
+
+      _announcement = insert(:announcement, %{ends_at: before_now})
+
+      assert [] = Announcement.list_all_visible_when(time)
+    end
+
+    test "with both start and end time", %{time: time} do
+      before_now = NaiveDateTime.add(time, -10, :second)
+      after_now = NaiveDateTime.add(time, 10, :second)
+
+      _announcement = insert(:announcement, %{starts_at: before_now, ends_at: after_now})
+
+      assert [_] = Announcement.list_all_visible_when(time)
+    end
+
+    test "with both start and end time, current not in the range", %{time: time} do
+      before_now = NaiveDateTime.add(time, -10, :second)
+      after_now = NaiveDateTime.add(time, 10, :second)
+
+      _announcement = insert(:announcement, %{starts_at: after_now, ends_at: before_now})
+
+      assert [] = Announcement.list_all_visible_when(time)
+    end
+  end
+
+  describe "announcements formatting" do
+    test "it formats links" do
+      raw = "something on https://pleroma.social ."
+      announcement = insert(:announcement, %{data: %{"content" => raw}})
+
+      assert announcement.rendered["content"] =~ ~r(<a.+?https://pleroma.social)
+      assert announcement.data["content"] == raw
+    end
+
+    test "it formats mentions" do
+      user = insert(:user)
+      raw = "something on @#{user.nickname} ."
+      announcement = insert(:announcement, %{data: %{"content" => raw}})
+
+      assert announcement.rendered["content"] =~ ~r(<a.+?#{user.nickname})
+      assert announcement.data["content"] == raw
+    end
+
+    test "it formats tags" do
+      raw = "something on #mew ."
+      announcement = insert(:announcement, %{data: %{"content" => raw}})
+
+      assert announcement.rendered["content"] =~ ~r(<a.+?#mew)
+      assert announcement.data["content"] == raw
+    end
+  end
+end
diff --git a/test/pleroma/config/deprecation_warnings_test.exs b/test/pleroma/config/deprecation_warnings_test.exs
index 202ec4b90..f3453ddb0 100644
--- a/test/pleroma/config/deprecation_warnings_test.exs
+++ b/test/pleroma/config/deprecation_warnings_test.exs
@@ -11,6 +11,62 @@ defmodule Pleroma.Config.DeprecationWarningsTest do
   alias Pleroma.Config
   alias Pleroma.Config.DeprecationWarnings
 
+  describe "filter exiftool" do
+    test "gives warning when still used" do
+      clear_config(
+        [Pleroma.Upload, :filters],
+        [Pleroma.Upload.Filter.Exiftool]
+      )
+
+      assert capture_log(fn -> DeprecationWarnings.check_exiftool_filter() end) =~
+               """
+               !!!DEPRECATION WARNING!!!
+               Your config is using Exiftool as a filter instead of Exiftool.StripLocation. This should work for now, but you are advised to change to the new configuration to prevent possible issues later:
+
+               ```
+               config :pleroma, Pleroma.Upload,
+                 filters: [Pleroma.Upload.Filter.Exiftool]
+               ```
+
+               Is now
+
+
+               ```
+               config :pleroma, Pleroma.Upload,
+                 filters: [Pleroma.Upload.Filter.Exiftool.StripLocation]
+               ```
+               """
+    end
+
+    test "changes setting to exiftool strip location" do
+      clear_config(
+        [Pleroma.Upload, :filters],
+        [Pleroma.Upload.Filter.Exiftool, Pleroma.Upload.Filter.Exiftool.ReadDescription]
+      )
+
+      expected_config = [
+        Pleroma.Upload.Filter.Exiftool.StripLocation,
+        Pleroma.Upload.Filter.Exiftool.ReadDescription
+      ]
+
+      capture_log(fn -> DeprecationWarnings.warn() end)
+
+      assert Config.get([Pleroma.Upload]) |> Keyword.get(:filters, []) == expected_config
+    end
+
+    test "doesn't give a warning with correct config" do
+      clear_config(
+        [Pleroma.Upload, :filters],
+        [
+          Pleroma.Upload.Filter.Exiftool.StripLocation,
+          Pleroma.Upload.Filter.Exiftool.ReadDescription
+        ]
+      )
+
+      assert capture_log(fn -> DeprecationWarnings.check_exiftool_filter() end) == ""
+    end
+  end
+
   describe "simple policy tuples" do
     test "gives warning when there are still strings" do
       clear_config([:mrf_simple],
diff --git a/test/pleroma/config_db_test.exs b/test/pleroma/config_db_test.exs
index ea44b716f..ba7c615e2 100644
--- a/test/pleroma/config_db_test.exs
+++ b/test/pleroma/config_db_test.exs
@@ -238,10 +238,11 @@ defmodule Pleroma.ConfigDBTest do
     end
 
     test "ssl options" do
-      assert ConfigDB.to_elixir_types([":tlsv1", ":tlsv1.1", ":tlsv1.2"]) == [
+      assert ConfigDB.to_elixir_types([":tlsv1", ":tlsv1.1", ":tlsv1.2", ":tlsv1.3"]) == [
                :tlsv1,
                :"tlsv1.1",
-               :"tlsv1.2"
+               :"tlsv1.2",
+               :"tlsv1.3"
              ]
     end
 
diff --git a/test/pleroma/docs/generator_test.exs b/test/pleroma/docs/generator_test.exs
index 92b4d13e4..5e41d6ccb 100644
--- a/test/pleroma/docs/generator_test.exs
+++ b/test/pleroma/docs/generator_test.exs
@@ -86,7 +86,7 @@ defmodule Pleroma.Docs.GeneratorTest do
           key: :versions,
           type: {:list, :atom},
           description: "List of TLS version to use",
-          suggestions: [:tlsv1, ":tlsv1.1", ":tlsv1.2"]
+          suggestions: [:tlsv1, ":tlsv1.1", ":tlsv1.2", ":tlsv1.3"]
         }
       ]
     },
@@ -213,7 +213,7 @@ defmodule Pleroma.Docs.GeneratorTest do
     test "suggestion for tls versions" do
       [%{children: children} | _] = Generator.convert_to_strings(@descriptions)
       child = Enum.at(children, 8)
-      assert child[:suggestions] == [":tlsv1", ":tlsv1.1", ":tlsv1.2"]
+      assert child[:suggestions] == [":tlsv1", ":tlsv1.1", ":tlsv1.2", ":tlsv1.3"]
     end
 
     test "subgroup with module name" do
diff --git a/test/pleroma/upload/filter/exiftool/read_description_test.exs b/test/pleroma/upload/filter/exiftool/read_description_test.exs
new file mode 100644
index 000000000..7389fda47
--- /dev/null
+++ b/test/pleroma/upload/filter/exiftool/read_description_test.exs
@@ -0,0 +1,117 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Upload.Filter.Exiftool.ReadDescriptionTest do
+  use Pleroma.DataCase, async: true
+  alias Pleroma.Upload.Filter
+
+  @uploads %Pleroma.Upload{
+    name: "image_with_imagedescription_and_caption-abstract.jpg",
+    content_type: "image/jpeg",
+    path: Path.absname("test/fixtures/image_with_imagedescription_and_caption-abstract.jpg"),
+    tempfile: Path.absname("test/fixtures/image_with_imagedescription_and_caption-abstract.jpg"),
+    description: nil
+  }
+
+  test "keeps description when not empty" do
+    uploads = %Pleroma.Upload{
+      name: "image_with_imagedescription_and_caption-abstract.jpg",
+      content_type: "image/jpeg",
+      path: Path.absname("test/fixtures/image_with_imagedescription_and_caption-abstract.jpg"),
+      tempfile:
+        Path.absname("test/fixtures/image_with_imagedescription_and_caption-abstract.jpg"),
+      description: "Some description"
+    }
+
+    assert Filter.Exiftool.ReadDescription.filter(uploads) ==
+             {:ok, :noop}
+  end
+
+  test "otherwise returns ImageDescription when present" do
+    uploads_after = %Pleroma.Upload{
+      name: "image_with_imagedescription_and_caption-abstract.jpg",
+      content_type: "image/jpeg",
+      path: Path.absname("test/fixtures/image_with_imagedescription_and_caption-abstract.jpg"),
+      tempfile:
+        Path.absname("test/fixtures/image_with_imagedescription_and_caption-abstract.jpg"),
+      description: "a descriptive white pixel"
+    }
+
+    assert Filter.Exiftool.ReadDescription.filter(@uploads) ==
+             {:ok, :filtered, uploads_after}
+  end
+
+  test "otherwise returns iptc:Caption-Abstract when present" do
+    upload = %Pleroma.Upload{
+      name: "image_with_caption-abstract.jpg",
+      content_type: "image/jpeg",
+      path: Path.absname("test/fixtures/image_with_caption-abstract.jpg"),
+      tempfile: Path.absname("test/fixtures/image_with_caption-abstract.jpg"),
+      description: nil
+    }
+
+    upload_after = %Pleroma.Upload{
+      name: "image_with_caption-abstract.jpg",
+      content_type: "image/jpeg",
+      path: Path.absname("test/fixtures/image_with_caption-abstract.jpg"),
+      tempfile: Path.absname("test/fixtures/image_with_caption-abstract.jpg"),
+      description: "an abstract white pixel"
+    }
+
+    assert Filter.Exiftool.ReadDescription.filter(upload) ==
+             {:ok, :filtered, upload_after}
+  end
+
+  test "otherwise returns nil" do
+    uploads = %Pleroma.Upload{
+      name: "image_with_no_description.jpg",
+      content_type: "image/jpeg",
+      path: Path.absname("test/fixtures/image_with_no_description.jpg"),
+      tempfile: Path.absname("test/fixtures/image_with_no_description.jpg"),
+      description: nil
+    }
+
+    assert Filter.Exiftool.ReadDescription.filter(uploads) ==
+             {:ok, :filtered, uploads}
+  end
+
+  test "Return nil when image description from EXIF data exceeds the maximum length" do
+    clear_config([:instance, :description_limit], 5)
+
+    assert Filter.Exiftool.ReadDescription.filter(@uploads) ==
+             {:ok, :filtered, @uploads}
+  end
+
+  test "Ignores content with only whitespace" do
+    uploads = %Pleroma.Upload{
+      name: "non-existant.jpg",
+      content_type: "image/jpeg",
+      path:
+        Path.absname(
+          "test/fixtures/image_with_imagedescription_and_caption-abstract_whitespaces.jpg"
+        ),
+      tempfile:
+        Path.absname(
+          "test/fixtures/image_with_imagedescription_and_caption-abstract_whitespaces.jpg"
+        ),
+      description: nil
+    }
+
+    assert Filter.Exiftool.ReadDescription.filter(uploads) ==
+             {:ok, :filtered, uploads}
+  end
+
+  test "Return nil when image description from EXIF data can't be read" do
+    uploads = %Pleroma.Upload{
+      name: "non-existant.jpg",
+      content_type: "image/jpeg",
+      path: Path.absname("test/fixtures/non-existant.jpg"),
+      tempfile: Path.absname("test/fixtures/non-existant_tmp.jpg"),
+      description: nil
+    }
+
+    assert Filter.Exiftool.ReadDescription.filter(uploads) ==
+             {:ok, :filtered, uploads}
+  end
+end
diff --git a/test/pleroma/upload/filter/exiftool_test.exs b/test/pleroma/upload/filter/exiftool/strip_location_test.exs
index 0a0ef2bdf..7e1541f60 100644
--- a/test/pleroma/upload/filter/exiftool_test.exs
+++ b/test/pleroma/upload/filter/exiftool/strip_location_test.exs
@@ -2,7 +2,7 @@
 # Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
-defmodule Pleroma.Upload.Filter.ExiftoolTest do
+defmodule Pleroma.Upload.Filter.Exiftool.StripLocationTest do
   use Pleroma.DataCase, async: true
   alias Pleroma.Upload.Filter
 
@@ -21,7 +21,7 @@ defmodule Pleroma.Upload.Filter.ExiftoolTest do
       tempfile: Path.absname("test/fixtures/DSCN0010_tmp.jpg")
     }
 
-    assert Filter.Exiftool.filter(upload) == {:ok, :filtered}
+    assert Filter.Exiftool.StripLocation.filter(upload) == {:ok, :filtered}
 
     {exif_original, 0} = System.cmd("exiftool", ["test/fixtures/DSCN0010.jpg"])
     {exif_filtered, 0} = System.cmd("exiftool", ["test/fixtures/DSCN0010_tmp.jpg"])
@@ -37,6 +37,6 @@ defmodule Pleroma.Upload.Filter.ExiftoolTest do
       content_type: "image/webp"
     }
 
-    assert Filter.Exiftool.filter(upload) == {:ok, :noop}
+    assert Filter.Exiftool.StripLocation.filter(upload) == {:ok, :noop}
   end
 end
diff --git a/test/pleroma/web/activity_pub/object_validators/attachment_validator_test.exs b/test/pleroma/web/activity_pub/object_validators/attachment_validator_test.exs
index b07011b76..9a17e277e 100644
--- a/test/pleroma/web/activity_pub/object_validators/attachment_validator_test.exs
+++ b/test/pleroma/web/activity_pub/object_validators/attachment_validator_test.exs
@@ -27,6 +27,46 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidatorTest do
       assert attachment.mediaType == "application/octet-stream"
     end
 
+    test "works with an unknown but valid mime type" do
+      attachment = %{
+        "mediaType" => "x-custom/x-type",
+        "type" => "Document",
+        "url" => "https://example.org"
+      }
+
+      assert {:ok, attachment} =
+               AttachmentValidator.cast_and_validate(attachment)
+               |> Ecto.Changeset.apply_action(:insert)
+
+      assert attachment.mediaType == "x-custom/x-type"
+    end
+
+    test "works with invalid mime types" do
+      attachment = %{
+        "mediaType" => "x-customx-type",
+        "type" => "Document",
+        "url" => "https://example.org"
+      }
+
+      assert {:ok, attachment} =
+               AttachmentValidator.cast_and_validate(attachment)
+               |> Ecto.Changeset.apply_action(:insert)
+
+      assert attachment.mediaType == "application/octet-stream"
+
+      attachment = %{
+        "mediaType" => "https://example.org",
+        "type" => "Document",
+        "url" => "https://example.org"
+      }
+
+      assert {:ok, attachment} =
+               AttachmentValidator.cast_and_validate(attachment)
+               |> Ecto.Changeset.apply_action(:insert)
+
+      assert attachment.mediaType == "application/octet-stream"
+    end
+
     test "it turns mastodon attachments into our attachments" do
       attachment = %{
         "url" =>
diff --git a/test/pleroma/web/admin_api/controllers/announcement_controller_test.exs b/test/pleroma/web/admin_api/controllers/announcement_controller_test.exs
new file mode 100644
index 000000000..5b8148c05
--- /dev/null
+++ b/test/pleroma/web/admin_api/controllers/announcement_controller_test.exs
@@ -0,0 +1,281 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.AdminAPI.AnnouncementControllerTest do
+  use Pleroma.Web.ConnCase
+
+  import Pleroma.Factory
+
+  setup do
+    admin = insert(:user, is_admin: true)
+    token = insert(:oauth_admin_token, user: admin)
+
+    conn =
+      build_conn()
+      |> assign(:user, admin)
+      |> assign(:token, token)
+
+    {:ok, %{admin: admin, token: token, conn: conn}}
+  end
+
+  describe "GET /api/v1/pleroma/admin/announcements" do
+    test "it lists all announcements", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      response =
+        conn
+        |> get("/api/v1/pleroma/admin/announcements")
+        |> json_response_and_validate_schema(:ok)
+
+      assert [%{"id" => ^id}] = response
+    end
+
+    test "it paginates announcements", %{conn: conn} do
+      _announcements = Enum.map(0..20, fn _ -> insert(:announcement) end)
+
+      response =
+        conn
+        |> get("/api/v1/pleroma/admin/announcements")
+        |> json_response_and_validate_schema(:ok)
+
+      assert length(response) == 20
+    end
+
+    test "it paginates announcements with custom params", %{conn: conn} do
+      announcements = Enum.map(0..20, fn _ -> insert(:announcement) end)
+
+      response =
+        conn
+        |> get("/api/v1/pleroma/admin/announcements", limit: 5, offset: 7)
+        |> json_response_and_validate_schema(:ok)
+
+      assert length(response) == 5
+      assert Enum.at(response, 0)["id"] == Enum.at(announcements, 7).id
+    end
+
+    test "it returns empty list with out-of-bounds offset", %{conn: conn} do
+      _announcements = Enum.map(0..20, fn _ -> insert(:announcement) end)
+
+      response =
+        conn
+        |> get("/api/v1/pleroma/admin/announcements", offset: 21)
+        |> json_response_and_validate_schema(:ok)
+
+      assert [] = response
+    end
+
+    test "it rejects invalid pagination params", %{conn: conn} do
+      conn
+      |> get("/api/v1/pleroma/admin/announcements", limit: 0)
+      |> json_response_and_validate_schema(400)
+
+      conn
+      |> get("/api/v1/pleroma/admin/announcements", limit: -1)
+      |> json_response_and_validate_schema(400)
+
+      conn
+      |> get("/api/v1/pleroma/admin/announcements", offset: -1)
+      |> json_response_and_validate_schema(400)
+    end
+  end
+
+  describe "GET /api/v1/pleroma/admin/announcements/:id" do
+    test "it displays one announcement", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      response =
+        conn
+        |> get("/api/v1/pleroma/admin/announcements/#{id}")
+        |> json_response_and_validate_schema(:ok)
+
+      assert %{"id" => ^id} = response
+    end
+
+    test "it returns not found for non-existent id", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      _response =
+        conn
+        |> get("/api/v1/pleroma/admin/announcements/#{id}xxx")
+        |> json_response_and_validate_schema(:not_found)
+    end
+  end
+
+  describe "DELETE /api/v1/pleroma/admin/announcements/:id" do
+    test "it deletes specified announcement", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      _response =
+        conn
+        |> delete("/api/v1/pleroma/admin/announcements/#{id}")
+        |> json_response_and_validate_schema(:ok)
+    end
+
+    test "it returns not found for non-existent id", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      _response =
+        conn
+        |> delete("/api/v1/pleroma/admin/announcements/#{id}xxx")
+        |> json_response_and_validate_schema(:not_found)
+
+      assert %{id: ^id} = Pleroma.Announcement.get_by_id(id)
+    end
+  end
+
+  describe "PATCH /api/v1/pleroma/admin/announcements/:id" do
+    test "it returns not found for non-existent id", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      _response =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> patch("/api/v1/pleroma/admin/announcements/#{id}xxx", %{})
+        |> json_response_and_validate_schema(:not_found)
+
+      assert %{id: ^id} = Pleroma.Announcement.get_by_id(id)
+    end
+
+    test "it updates a field", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+      starts_at = NaiveDateTime.add(now, -10, :second)
+
+      _response =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> patch("/api/v1/pleroma/admin/announcements/#{id}", %{
+          starts_at: NaiveDateTime.to_iso8601(starts_at)
+        })
+        |> json_response_and_validate_schema(:ok)
+
+      new = Pleroma.Announcement.get_by_id(id)
+
+      assert NaiveDateTime.compare(new.starts_at, starts_at) == :eq
+    end
+
+    test "it updates with time with utc timezone", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      now = DateTime.now("Etc/UTC") |> elem(1) |> DateTime.truncate(:second)
+      starts_at = DateTime.add(now, -10, :second)
+
+      _response =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> patch("/api/v1/pleroma/admin/announcements/#{id}", %{
+          starts_at: DateTime.to_iso8601(starts_at)
+        })
+        |> json_response_and_validate_schema(:ok)
+
+      new = Pleroma.Announcement.get_by_id(id)
+
+      assert DateTime.compare(new.starts_at, starts_at) == :eq
+    end
+
+    test "it updates a data field", %{conn: conn} do
+      %{id: id} = announcement = insert(:announcement, data: %{"all_day" => true})
+
+      assert announcement.data["all_day"] == true
+
+      new_content = "new content"
+
+      response =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> patch("/api/v1/pleroma/admin/announcements/#{id}", %{
+          content: new_content
+        })
+        |> json_response_and_validate_schema(:ok)
+
+      assert response["content"] == new_content
+      assert response["all_day"] == true
+
+      new = Pleroma.Announcement.get_by_id(id)
+
+      assert new.data["content"] == new_content
+      assert new.data["all_day"] == true
+    end
+
+    test "it nullifies a nullable field", %{conn: conn} do
+      now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+      starts_at = NaiveDateTime.add(now, -10, :second)
+
+      %{id: id} = insert(:announcement, starts_at: starts_at)
+
+      response =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> patch("/api/v1/pleroma/admin/announcements/#{id}", %{
+          starts_at: nil
+        })
+        |> json_response_and_validate_schema(:ok)
+
+      assert response["starts_at"] == nil
+
+      new = Pleroma.Announcement.get_by_id(id)
+
+      assert new.starts_at == nil
+    end
+  end
+
+  describe "POST /api/v1/pleroma/admin/announcements" do
+    test "it creates an announcement", %{conn: conn} do
+      content = "test post announcement api"
+
+      now = NaiveDateTime.utc_now() |> NaiveDateTime.truncate(:second)
+      starts_at = NaiveDateTime.add(now, -10, :second)
+      ends_at = NaiveDateTime.add(now, 10, :second)
+
+      response =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> post("/api/v1/pleroma/admin/announcements", %{
+          "content" => content,
+          "starts_at" => NaiveDateTime.to_iso8601(starts_at),
+          "ends_at" => NaiveDateTime.to_iso8601(ends_at),
+          "all_day" => true
+        })
+        |> json_response_and_validate_schema(:ok)
+
+      assert %{"content" => ^content, "all_day" => true} = response
+
+      announcement = Pleroma.Announcement.get_by_id(response["id"])
+
+      assert not is_nil(announcement)
+
+      assert NaiveDateTime.compare(announcement.starts_at, starts_at) == :eq
+      assert NaiveDateTime.compare(announcement.ends_at, ends_at) == :eq
+    end
+
+    test "creating with time with utc timezones", %{conn: conn} do
+      content = "test post announcement api"
+
+      now = DateTime.now("Etc/UTC") |> elem(1) |> DateTime.truncate(:second)
+      starts_at = DateTime.add(now, -10, :second)
+      ends_at = DateTime.add(now, 10, :second)
+
+      response =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> post("/api/v1/pleroma/admin/announcements", %{
+          "content" => content,
+          "starts_at" => DateTime.to_iso8601(starts_at),
+          "ends_at" => DateTime.to_iso8601(ends_at),
+          "all_day" => true
+        })
+        |> json_response_and_validate_schema(:ok)
+
+      assert %{"content" => ^content, "all_day" => true} = response
+
+      announcement = Pleroma.Announcement.get_by_id(response["id"])
+
+      assert not is_nil(announcement)
+
+      assert DateTime.compare(announcement.starts_at, starts_at) == :eq
+      assert DateTime.compare(announcement.ends_at, ends_at) == :eq
+    end
+  end
+end
diff --git a/test/pleroma/web/mastodon_api/controllers/announcement_controller_test.exs b/test/pleroma/web/mastodon_api/controllers/announcement_controller_test.exs
new file mode 100644
index 000000000..60c9978c2
--- /dev/null
+++ b/test/pleroma/web/mastodon_api/controllers/announcement_controller_test.exs
@@ -0,0 +1,169 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
+defmodule Pleroma.Web.MastodonAPI.AnnouncementControllerTest do
+  use Pleroma.Web.ConnCase
+
+  import Pleroma.Factory
+
+  alias Pleroma.Announcement
+  alias Pleroma.AnnouncementReadRelationship
+
+  describe "GET /api/v1/announcements" do
+    setup do
+      %{conn: conn} = oauth_access([])
+      {:ok, conn: conn}
+    end
+
+    test "it does not allow guests", %{conn: conn} do
+      _response =
+        conn
+        |> assign(:token, nil)
+        |> get("/api/v1/announcements")
+        |> json_response_and_validate_schema(:forbidden)
+    end
+
+    test "it allows users with scopes" do
+      %{conn: conn} = oauth_access(["read:accounts"])
+
+      _response =
+        conn
+        |> get("/api/v1/announcements")
+        |> json_response_and_validate_schema(:ok)
+    end
+
+    test "it lists all announcements", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      response =
+        conn
+        |> get("/api/v1/announcements")
+        |> json_response_and_validate_schema(:ok)
+
+      assert [%{"id" => ^id}] = response
+    end
+
+    test "it returns time with utc timezone", %{conn: conn} do
+      start_time =
+        NaiveDateTime.utc_now()
+        |> NaiveDateTime.add(-999_999, :second)
+        |> NaiveDateTime.truncate(:second)
+
+      end_time =
+        NaiveDateTime.utc_now()
+        |> NaiveDateTime.add(999_999, :second)
+        |> NaiveDateTime.truncate(:second)
+
+      %{id: id} = insert(:announcement, %{starts_at: start_time, ends_at: end_time})
+
+      response =
+        conn
+        |> get("/api/v1/announcements")
+        |> json_response_and_validate_schema(:ok)
+
+      assert [%{"id" => ^id}] = [announcement] = response
+
+      assert String.ends_with?(announcement["starts_at"], "Z")
+      assert String.ends_with?(announcement["ends_at"], "Z")
+    end
+
+    test "it does not list announcements starting after current time", %{conn: conn} do
+      time = NaiveDateTime.utc_now() |> NaiveDateTime.add(999_999, :second)
+      insert(:announcement, starts_at: time)
+
+      response =
+        conn
+        |> get("/api/v1/announcements")
+        |> json_response_and_validate_schema(:ok)
+
+      assert [] = response
+    end
+
+    test "it does not list announcements ending before current time", %{conn: conn} do
+      time = NaiveDateTime.utc_now() |> NaiveDateTime.add(-999_999, :second)
+      insert(:announcement, ends_at: time)
+
+      response =
+        conn
+        |> get("/api/v1/announcements")
+        |> json_response_and_validate_schema(:ok)
+
+      assert [] = response
+    end
+
+    test "when authenticated, also expose read property", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      response =
+        conn
+        |> get("/api/v1/announcements")
+        |> json_response_and_validate_schema(:ok)
+
+      assert [%{"id" => ^id, "read" => false}] = response
+    end
+
+    test "when authenticated and announcement is read by user" do
+      %{id: id} = announcement = insert(:announcement)
+      user = insert(:user)
+
+      AnnouncementReadRelationship.mark_read(user, announcement)
+
+      %{conn: conn} = oauth_access(["read:accounts"], user: user)
+
+      response =
+        conn
+        |> get("/api/v1/announcements")
+        |> json_response_and_validate_schema(:ok)
+
+      assert [%{"id" => ^id, "read" => true}] = response
+    end
+  end
+
+  describe "POST /api/v1/announcements/:id/dismiss" do
+    setup do: oauth_access(["write:accounts"])
+
+    test "it requires auth", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      _response =
+        conn
+        |> assign(:token, nil)
+        |> post("/api/v1/announcements/#{id}/dismiss")
+        |> json_response_and_validate_schema(:forbidden)
+    end
+
+    test "it requires write:accounts oauth scope" do
+      %{id: id} = insert(:announcement)
+
+      %{conn: conn} = oauth_access(["read:accounts"])
+
+      _response =
+        conn
+        |> post("/api/v1/announcements/#{id}/dismiss")
+        |> json_response_and_validate_schema(:forbidden)
+    end
+
+    test "it gives 404 for non-existent announcements", %{conn: conn} do
+      %{id: id} = insert(:announcement)
+
+      _response =
+        conn
+        |> post("/api/v1/announcements/#{id}xxx/dismiss")
+        |> json_response_and_validate_schema(:not_found)
+    end
+
+    test "it marks announcement as read", %{user: user, conn: conn} do
+      %{id: id} = announcement = insert(:announcement)
+
+      refute Announcement.read_by?(announcement, user)
+
+      _response =
+        conn
+        |> post("/api/v1/announcements/#{id}/dismiss")
+        |> json_response_and_validate_schema(:ok)
+
+      assert Announcement.read_by?(announcement, user)
+    end
+  end
+end
diff --git a/test/support/factory.ex b/test/support/factory.ex
index aaadae9bd..b01aff3ab 100644
--- a/test/support/factory.ex
+++ b/test/support/factory.ex
@@ -639,4 +639,16 @@ defmodule Pleroma.Factory do
       context: ["home"]
     }
   end
+
+  def announcement_factory(params \\ %{}) do
+    data = Map.get(params, :data, %{})
+
+    {_, params} = Map.pop(params, :data)
+
+    %Pleroma.Announcement{
+      data: Map.merge(%{"content" => "test announcement", "all_day" => false}, data)
+    }
+    |> Map.merge(params)
+    |> Pleroma.Announcement.add_rendered_properties()
+  end
 end