Controller spec to request spec: api/v1/accounts/notes (#28301)

spec/requests/api/v1/accounts/notes_spec.rb

@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe 'Accounts Notes API' do
+  let(:user)     { Fabricate(:user) }
+  let(:token)    { Fabricate(:accessible_access_token, resource_owner_id: user.id, scopes: scopes) }
+  let(:scopes)   { 'write:accounts' }
+  let(:headers)  { { 'Authorization' => "Bearer #{token.token}" } }
+  let(:account) { Fabricate(:account) }
+  let(:comment) { 'foo' }
+
+  describe 'POST /api/v1/accounts/:account_id/note' do
+    subject do
+      post "/api/v1/accounts/#{account.id}/note", params: { comment: comment }, headers: headers
+    end
+
+    context 'when account note has reasonable length', :aggregate_failures do
+      let(:comment) { 'foo' }
+
+      it 'updates account note' do
+        subject
+
+        expect(response).to have_http_status(200)
+        expect(AccountNote.find_by(account_id: user.account.id, target_account_id: account.id).comment).to eq comment
+      end
+    end
+
+    context 'when account note exceeds allowed length', :aggregate_failures do
+      let(:comment) { 'a' * 2_001 }
+
+      it 'does not create account note' do
+        subject
+
+        expect(response).to have_http_status(422)
+        expect(AccountNote.where(account_id: user.account.id, target_account_id: account.id)).to_not exist
+      end
+    end
+  end
+end