diff --git a/test/tasks/maintenance/detect_spam_test.exs b/test/tasks/maintenance/detect_spam_test.exs
new file mode 100644
index 000000000..6942e22c9
--- /dev/null
+++ b/test/tasks/maintenance/detect_spam_test.exs
@@ -0,0 +1,55 @@
+defmodule Mix.Tasks.Mobilizon.Maintenance.DetectSpamTest do
+  use Mobilizon.DataCase
+
+  import Mobilizon.Factory
+
+  alias Mix.Tasks.Mobilizon.Maintenance.DetectSpam
+
+  Mix.shell(Mix.Shell.Process)
+
+  describe "detect spam" do
+    test "on all content" do
+      insert(:actor, preferred_username: "ham")
+      insert(:actor, preferred_username: "spam")
+      insert(:event, description: "some ham event", title: "some ham event")
+      spam_event = insert(:event, description: "some spam event", title: "some spam event")
+
+      DetectSpam.run(["-v"])
+      assert_received {:mix_shell, :info, [output_received]}
+      assert_received {:mix_shell, :info, [output_received2]}
+      assert_received {:mix_shell, :info, [output_received3]}
+      assert_received {:mix_shell, :info, [output_received4]}
+      assert_received {:mix_shell, :info, [output_received5]}
+      assert_received {:mix_shell, :info, [output_received6]}
+      assert_received {:mix_shell, :info, [output_received7]}
+      assert_received {:mix_shell, :info, [output_received8]}
+      assert_received {:mix_shell, :info, [output_received9]}
+      assert_received {:mix_shell, :info, [output_received10]}
+      assert_received {:mix_shell, :info, [output_received11]}
+      assert_received {:mix_shell, :info, [output_received12]}
+
+      output =
+        MapSet.new([
+          output_received,
+          output_received2,
+          output_received3,
+          output_received4,
+          output_received5,
+          output_received6,
+          output_received7,
+          output_received8,
+          output_received9,
+          output_received10,
+          output_received11,
+          output_received12
+        ])
+
+      assert MapSet.member?(output, "Starting scanning of profiles")
+      assert MapSet.member?(output, "Starting scanning of events")
+      assert MapSet.member?(output, "Profile ham is fine")
+      assert MapSet.member?(output, "Event some ham event is fine")
+      assert MapSet.member?(output, "Detected profile spam as spam")
+      assert MapSet.member?(output, "Detected event some spam event as spam: #{spam_event.url}")
+    end
+  end
+end