- make sortTags method to be accessible for test

- add test to verify ordering of tags

__tests__/tags.test.ts

@@ -0,0 +1,24 @@
+import { resolveConfiguration } from '../src/utils';
+import { ReleaseNotesBuilder } from '../src/releaseNotesBuilder';
+import { TagInfo, sortTags } from '../src/tags';
+
+it('Should order tags correctly', async () => {
+  jest.setTimeout(180000)
+
+  const tags: TagInfo[] = [
+    { name: "2020.4.0", commit: "" },
+    { name: "2020.4.0-rc02", commit: "" },
+    { name: "2020.3.2", commit: "" },
+    { name: "v2020.3.1", commit: "" },
+    { name: "2020.3.1-rc03", commit: "" },
+    { name: "2020.3.1-rc01", commit: "" },
+    { name: "2020.3.1-b01", commit: "" },
+    { name: "v2020.3.0", commit: "" }
+  ]
+
+  const sorted = sortTags(tags).map(function (tag) {
+    return tag.name
+  }).join(",")
+
+  expect(sorted).toStrictEqual(`2020.4.0,2020.4.0-rc02,2020.3.2,v2020.3.1,2020.3.1-rc03,2020.3.1-rc01,2020.3.1-b01,v2020.3.0`)
+})

src/tags.ts

@@ -52,7 +52,7 @@ export class Tags {
     ignorePreReleases: boolean,
     maxTagsToFetch: number
   ): Promise<TagInfo | null> {
-    const tags = this.sortTags(await this.getTags(owner, repo, maxTagsToFetch))
+    const tags = sortTags(await this.getTags(owner, repo, maxTagsToFetch))
 
     try {
       const length = tags.length
@@ -76,6 +76,7 @@ export class Tags {
       return null
     }
   }
+}
 
 /*
   Sorts an array of tags as shown below:
@@ -91,8 +92,8 @@ export class Tags {
   2020.3.1-a01
   2020.3.0
   */
-  private sortTags(commits: TagInfo[]): TagInfo[] {
+ export function sortTags(tags: TagInfo[]): TagInfo[] {
-    commits.sort((b, a) => {
+  tags.sort((b, a) => {
     const partsA = a.name.replace(/^v/, '').split('-')
     const partsB = b.name.replace(/^v/, '').split('-')
     const versionCompare = partsA[0].localeCompare(partsB[0])
@@ -108,6 +109,5 @@ export class Tags {
       }
     }
   })
-    return commits
+  return tags
-  }
 }