feat(techdocs): add changeset + refactor

.changeset/short-badgers-collect.md

@@ -0,0 +1,5 @@
+---
+'@backstage/techdocs-common': patch
+---
+
+AWS SDK version bump for TechDocs.

packages/techdocs-common/__mocks__/@aws-sdk/client-s3.ts

@@ -52,14 +52,10 @@ export class S3 {
   }
 
   headBucket() {
-    return new Promise(resolve => {
-      resolve('');
-    });
+    return '';
   }
 
   putObject() {
-    return new Promise(resolve => {
-      resolve('');
-    });
+    return '';
   }
 }

packages/techdocs-common/src/stages/publish/awsS3.test.ts

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 import mockFs from 'mock-fs';
+import path from 'path';
 import * as winston from 'winston';
 import { ConfigReader } from '@backstage/config';
 import { AwsS3Publish } from './awsS3';
@@ -45,7 +46,7 @@ const getEntityRootDir = (entity: Entity) => {
     kind,
     metadata: { namespace, name },
   } = entity;
-  const entityRootDir = `${namespace}/${kind}/${name}`;
+  const entityRootDir = path.join(namespace as string, kind, name);
   return entityRootDir;
 };
 
@@ -171,14 +172,17 @@ describe('AwsS3Publish', () => {
     it('should return an error if the techdocs_metadata.json file is not present', async () => {
       const entityNameMock = createMockEntityName();
       const entity = createMockEntity();
-      const entityRootDir = getEntityRootDir(entity);
+      const {
+        metadata: { name, namespace },
+        kind,
+      } = entity;
 
       await publisher
         .fetchTechDocsMetadata(entityNameMock)
         .catch(error =>
           expect(error).toEqual(
             new Error(
-              `TechDocs metadata fetch failed, The file ${entityRootDir}/techdocs_metadata.json doest not exist.`,
+              `TechDocs metadata fetch failed, The file ${namespace}/${kind}/${name}/techdocs_metadata.json doest not exist.`,
             ),
           ),
         );

packages/techdocs-common/src/stages/publish/awsS3.ts

@@ -25,16 +25,16 @@ import fs from 'fs-extra';
 import { Readable } from 'stream';
 
 const streamToString = (stream: Readable): Promise<string> => {
-  try {
-    return new Promise((resolve, reject) => {
+  return new Promise((resolve, reject) => {
+    try {
       const chunks: any[] = [];
       stream.on('data', chunk => chunks.push(chunk));
       stream.on('error', reject);
       stream.on('end', () => resolve(Buffer.concat(chunks).toString('utf8')));
-    });
-  } catch (e) {
-    throw new Error(`Unable to parse the response data, ${e.message}`);
-  }
+    } catch (e) {
+      throw new Error(`Unable to parse the response data, ${e.message}`);
+    }
+  });
 };
 
 export class AwsS3Publish implements PublisherBase {