test: add footer-maker breakingChangeFilterFactory test

Author: xeptore

src/prompts/footer-maker.test.ts

@@ -0,0 +1,15 @@
+import { QualifiedRules, RuleConfigSeverity } from '@commitlint/types';
+import { breakingChangeFilterFactory } from './footer-maker';
+
+describe('footerMaker', () => {
+  describe('breakingChangeFilterFactory', () => {
+    it('should break in footer when exceeding maximum specified line length', () => {
+      const rules: QualifiedRules = { 'footer-max-line-length': [RuleConfigSeverity.Error, 'always', 11] };
+      const fixture = breakingChangeFilterFactory(rules, 'BREAKING CHANGE: ')!;
+
+      const result = fixture('Lorem ipsum dolor sit amet, consectetur adipisicing elit.', {});
+
+      expect(result).toBe(`BREAKING \nCHANGE: \nLorem ipsum \ndolor sit \namet, \nconsectetur \nadipisicing \nelit.`);
+    });
+  });
+});