Copy test runner binaries before releasing new version (#4082)

* adding S3 sdk

* test binary folder

* linting

* before searching for binary

* linting

* grab folders in the given S3 prefix

* grab folders in the given S3 prefix

* find the last build

* found last builds for commit

* refactoring

* add tests for upload dir name

* create destination zip filename

* copying S3 files

* move s3 helpers into own object, prepare for testing

* add realistic test

* linting

* chore: add documentation to DEPLOY.md file

scripts/unit/binary/upload-unique-binary-spec.js

@@ -1,22 +1,61 @@
 const snapshot = require('snap-shot-it')
 
 /* eslint-env mocha */
-describe('getCDN', () => {
-  context('binary', () => {
-    const { getCDN } = require('../../binary/upload-unique-binary')
+describe('upload-unique-binary', () => {
+  describe('getUploadDirName', () => {
+    const { getUploadDirName } = require('../../binary/upload-unique-binary')
 
-    it('returns CDN s3 path', () => {
+    it('returns folder for given version', () => {
       const options = {
-        platform: 'darwin-x64',
-        filename: 'cypress.zip',
+        platformArch: 'darwin-x64',
         version: '3.3.0',
         // ci name + commit sha + build number
         hash: 'ci-name-e154a40f3f76abd39a1d85c0ebc0ff9565015706-123',
       }
 
-      snapshot({
+      snapshot('upload binary folder', {
         input: options,
-        result: getCDN(options),
+        result: getUploadDirName(options),
+      })
+    })
+  })
+
+  describe('getUploadDirForPlatform', () => {
+    const {
+      getUploadDirForPlatform,
+    } = require('../../binary/upload-unique-binary')
+
+    it('returns folder for given version and platform', () => {
+      const options = {
+        platformArch: 'darwin-x64',
+        version: '3.3.0',
+      }
+      const result = getUploadDirForPlatform(options, options.platformArch)
+
+      snapshot('upload binary folder for platform', {
+        input: options,
+        result,
+      })
+    })
+  })
+
+  describe('getCDN', () => {
+    context('binary', () => {
+      const { getCDN } = require('../../binary/upload-unique-binary')
+
+      it('returns CDN s3 path', () => {
+        const options = {
+          platform: 'darwin-x64',
+          filename: 'cypress.zip',
+          version: '3.3.0',
+          // ci name + commit sha + build number
+          hash: 'ci-name-e154a40f3f76abd39a1d85c0ebc0ff9565015706-123',
+        }
+
+        snapshot('getCDN for binary', {
+          input: options,
+          result: getCDN(options),
+        })
       })
     })
   })