Implement GET /api/v1/announcements/:id

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

@@ -51,4 +51,56 @@ defmodule Pleroma.Web.MastodonAPI.AccountControllerTest do
       assert [%{"id" => ^id, "read" => true}] = response
     end
   end
+
+  describe "GET /api/v1/announcements/:id" do
+    test "it shows one announcement" do
+      %{id: id} = insert(:announcement)
+
+      response =
+        build_conn()
+        |> get("/api/v1/announcements/#{id}")
+        |> json_response_and_validate_schema(:ok)
+
+      assert %{"id" => ^id} = response
+      refute Map.has_key?(response, "read")
+    end
+
+    test "it gives 404 for non-existent announcements" do
+      %{id: id} = insert(:announcement)
+
+      _response =
+        build_conn()
+        |> get("/api/v1/announcements/#{id}xxx")
+        |> json_response_and_validate_schema(:not_found)
+    end
+
+    test "when authenticated, also expose read property" do
+      %{id: id} = insert(:announcement)
+
+      %{conn: conn} = oauth_access(["read:accounts"])
+
+      response =
+        conn
+        |> get("/api/v1/announcements/#{id}")
+        |> 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/#{id}")
+        |> json_response_and_validate_schema(:ok)
+
+      assert %{"id" => ^id, "read" => true} = response
+    end
+  end
 end