test: add tests for template

Author: martinmcwhorter

src/commit-template.test.ts

@@ -1,8 +1,8 @@
-import { PromptAnswers, headerTemplate, commitTemplate } from './commit-template';
+import { Answers, headerTemplate, commitTemplate } from './commit-template';
 
 describe('commit-template', () => {
   describe('headerTemplate', () => {
-    test.each<[PromptAnswers, string]>([
+    test.each<[Answers, string]>([
       [{ type: 'foo', scope: 'bar', subject: 'baz' }, 'foo(bar): baz'],
       [{ type: 'foo' }, 'foo: '],
       [{ type: 'foo', subject: 'bar' }, 'foo: bar']
@@ -13,9 +13,14 @@ describe('commit-template', () => {
     });
   });
 
-  describe('headerTemplate', () => {
-    test.each<[PromptAnswers, string]>([
-      [{ type: 'foo', scope: 'bar', subject: 'baz', body: '\nbody', footer: '\nfooter' }, `foo(bar): baz\nbody\nfooter`]
+  describe('commitTemplate', () => {
+    test.each<[Answers, string]>([
+      [
+        { type: 'foo', scope: 'bar', subject: 'baz', body: '\nbody', breaking: '\nfooter' },
+        `foo(bar): baz\n\nbody\n\nfooter`
+      ],
+      [{ type: 'foo', subject: 'bar' }, 'foo: bar'],
+      [{ type: 'foo', subject: 'bar', breaking: '\nbaz', issue: '\nbuz' }, 'foo: bar\n\nbaz\nbuz']
     ])(`should convert answers %o to template '%s'`, (answers, expected) => {
       const result = commitTemplate(answers);
 

src/commit-template.ts

@@ -1,16 +1,17 @@
-import { Answers, DistinctQuestion } from 'inquirer';
+import { DistinctQuestion } from 'inquirer';
 
-export type PromptAnswers = {
+export type Answers = {
   type?: string;
   scope?: string;
   subject?: string;
   body?: string;
   isBreaking?: boolean;
+  breaking?: string;
   isIssue?: boolean;
-  footer?: string;
+  issue?: string;
 };
 
-export type Question = DistinctQuestion<PromptAnswers>;
+export type Question = DistinctQuestion<Answers>;
 
 export function headerTemplate(type?: string, scope?: string, subject?: string): string {
   let header = `${type}`;
@@ -27,12 +28,22 @@ export function headerTemplate(type?: string, scope?: string, subject?: string):
   return header;
 }
 
-export function commitTemplate(answers: PromptAnswers) {
+function renderSection(value: string | undefined): string {
+  return value ? `\n${value}` : '';
+}
+
+export function commitTemplate(answers: Answers) {
   let template = headerTemplate(answers.type, answers.scope, answers.subject);
 
-  template += answers.body ?? '';
+  template += renderSection(answers.body);
 
-  template += answers.footer ?? '';
+  template += renderSection(answers.breaking);
+
+  if (answers.breaking) {
+    template += answers.issue ?? '';
+  } else {
+    template += renderSection(answers.issue);
+  }
 
   return template;
 }