Implement first pass of announcement admin api

CCBUG: https://git.pleroma.social/pleroma/pleroma/-/issues/2836
CCBUG: https://git.pleroma.social/pleroma/pleroma/-/issues/1470

test/pleroma/web/admin_api/controllers/announcement_controller_test.exs

@@ -0,0 +1,94 @@
+# 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
+  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
+        |> get("/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 "POST /api/v1/pleroma/admin/announcements" do
+    test "it creates an announcement", %{conn: conn} do
+      content = "test post announcement api"
+
+      response =
+        conn
+        |> put_req_header("content-type", "application/json")
+        |> post("/api/v1/pleroma/admin/announcements", %{
+          "content" => content
+        })
+        |> json_response_and_validate_schema(:ok)
+
+      assert %{"content" => ^content} = response
+    end
+  end
+end

test/support/factory.ex

@@ -627,4 +627,12 @@ defmodule Pleroma.Factory do
       context: ["home"]
     }
   end
+
+  def announcement_factory do
+    %Pleroma.Announcement{
+      data: %{
+        "content" => "test announcement"
+      }
+    }
+  end
 end