diff --git a/spec/services/expired_dossiers_deletion_service_spec.rb b/spec/services/expired_dossiers_deletion_service_spec.rb
index 2bd3f53d2..c927755d8 100644
--- a/spec/services/expired_dossiers_deletion_service_spec.rb
+++ b/spec/services/expired_dossiers_deletion_service_spec.rb
@@ -41,6 +41,100 @@ describe ExpiredDossiersDeletionService do
     end
   end
 
+  describe '#send_brouillon_expiration_notices' do
+    let!(:conservation_par_defaut) { 3.months }
+
+    before { Timecop.freeze(Time.zone.now) }
+    after  { Timecop.return }
+
+    before do
+      allow(DossierMailer).to receive(:notify_brouillon_near_deletion).and_return(double(deliver_later: nil))
+    end
+
+    context 'with a single dossier' do
+      let!(:dossier) { create(:dossier, created_at: created_at) }
+
+      before { ExpiredDossiersDeletionService.send_brouillon_expiration_notices }
+
+      context 'when the dossier is not closed to expiration' do
+        let(:created_at) { (conservation_par_defaut - 1.month - 1.day).ago }
+
+        it { expect(dossier.reload.brouillon_close_to_expiration_notice_sent_at).to be_nil }
+        it { expect(DossierMailer).not_to have_received(:notify_brouillon_near_deletion) }
+      end
+
+      context 'when the dossier is closed to expiration' do
+        let(:created_at) { (conservation_par_defaut - 1.month + 1.day).ago }
+
+        it { expect(dossier.reload.brouillon_close_to_expiration_notice_sent_at).not_to be_nil }
+        it { expect(DossierMailer).to have_received(:notify_brouillon_near_deletion).once }
+        it { expect(DossierMailer).to have_received(:notify_brouillon_near_deletion).with(dossier.user, [dossier]) }
+      end
+    end
+
+    context 'with 2 dossiers to notice' do
+      let!(:user) { create(:user) }
+      let!(:dossier_1) { create(:dossier, user: user, created_at: (conservation_par_defaut - 1.month + 1.day).ago) }
+      let!(:dossier_2) { create(:dossier, user: user, created_at: (conservation_par_defaut - 1.month + 1.day).ago) }
+
+      before { ExpiredDossiersDeletionService.send_brouillon_expiration_notices }
+
+      it { expect(DossierMailer).to have_received(:notify_brouillon_near_deletion).once }
+      it { expect(DossierMailer).to have_received(:notify_brouillon_near_deletion).with(user, match_array([dossier_1, dossier_2])) }
+    end
+  end
+
+  describe '#delete_expired_brouillons_and_notify' do
+    let!(:warning_period) { 1.month + 5.days }
+
+    before { Timecop.freeze(Time.zone.now) }
+    after  { Timecop.return }
+
+    before do
+      allow(DossierMailer).to receive(:notify_brouillon_deletion).and_return(double(deliver_later: nil))
+    end
+
+    context 'with a single dossier' do
+      let!(:dossier) { create(:dossier, brouillon_close_to_expiration_notice_sent_at: notice_sent_at) }
+
+      before { ExpiredDossiersDeletionService.delete_expired_brouillons_and_notify }
+
+      context 'when no notice has been sent' do
+        let(:notice_sent_at) { nil }
+
+        it { expect { dossier.reload }.not_to raise_error }
+        it { expect(DossierMailer).not_to have_received(:notify_brouillon_deletion) }
+      end
+
+      context 'when a notice has been sent not so long ago' do
+        let(:notice_sent_at) { (warning_period - 1.day).ago }
+
+        it { expect { dossier.reload }.not_to raise_error }
+        it { expect(DossierMailer).not_to have_received(:notify_brouillon_deletion) }
+      end
+
+      context 'when a notice has been sent a long time ago' do
+        let(:notice_sent_at) { (warning_period + 1.day).ago }
+
+        it { expect { dossier.reload }.to raise_error(ActiveRecord::RecordNotFound) }
+
+        it { expect(DossierMailer).to have_received(:notify_brouillon_deletion).once }
+        it { expect(DossierMailer).to have_received(:notify_brouillon_deletion).with(dossier.user, [dossier.hash_for_deletion_mail]) }
+      end
+    end
+
+    context 'with 2 dossiers to delete' do
+      let!(:user) { create(:user) }
+      let!(:dossier_1) { create(:dossier, user: user, brouillon_close_to_expiration_notice_sent_at: (warning_period + 1.day).ago) }
+      let!(:dossier_2) { create(:dossier, user: user, brouillon_close_to_expiration_notice_sent_at: (warning_period + 1.day).ago) }
+
+      before { ExpiredDossiersDeletionService.delete_expired_brouillons_and_notify }
+
+      it { expect(DossierMailer).to have_received(:notify_brouillon_deletion).once }
+      it { expect(DossierMailer).to have_received(:notify_brouillon_deletion).with(user, match_array([dossier_1, dossier_2].map(&:hash_for_deletion_mail))) }
+    end
+  end
+
   describe '#send_en_construction_expiration_notices' do
     let!(:conservation_par_defaut) { 3.months }