Attempt to limit failures in wrapper-validation tests (#490)

- Reduce requests involved in checksums.retryTest
- Reduce requests involved in validate test
- Fetch checksum values in batches

sources/src/wrapper-validation/checksums.ts

@@ -1,5 +1,6 @@
 import * as httpm from 'typed-rest-client/HttpClient'
 import * as cheerio from 'cheerio'
+import * as core from '@actions/core'
 
 import fileWrapperChecksums from './wrapper-checksums.json'
 
@@ -59,12 +60,7 @@ export async function fetchUnknownChecksums(
     }
 
     const wrapperChecksums = new WrapperChecksums()
-    await Promise.all(
+    await fetchAndStoreChecksums(checksumUrls, wrapperChecksums)
-        checksumUrls.map(async ([version, url]) => {
-            const checksum = await httpGetText(url)
-            wrapperChecksums.add(version, checksum)
-        })
-    )
     return wrapperChecksums
 }
 
@@ -94,3 +90,20 @@ async function addDistributionSnapshotChecksumUrls(checksumUrls: [string, string
         }
     })
 }
+
+async function fetchAndStoreChecksums(
+    checksumUrls: [string, string][],
+    wrapperChecksums: WrapperChecksums
+): Promise<void> {
+    const batchSize = 10
+    for (let i = 0; i < checksumUrls.length; i += batchSize) {
+        const batch = checksumUrls.slice(i, i + batchSize)
+        await Promise.all(
+            batch.map(async ([version, url]) => {
+                const checksum = await httpGetText(url)
+                wrapperChecksums.add(version, checksum)
+            })
+        )
+        core.info(`Fetched ${i + batch.length} of ${checksumUrls.length} checksums`)
+    }
+}

sources/test/jest/wrapper-validation/checksums.test.ts

@@ -2,7 +2,7 @@ import * as checksums from '../../../src/wrapper-validation/checksums'
 import nock from 'nock'
 import {afterEach, describe, expect, test, jest} from '@jest/globals'
 
-jest.setTimeout(30000)
+jest.setTimeout(60000)
 
 const CHECKSUM_8_1 = 'ed2c26eba7cfb93cc2b7785d05e534f07b5b48b5e7fc941921cd098628abca58'
 
@@ -70,8 +70,8 @@ describe('retry', () => {
           code: 'ECONNREFUSED'
         })
 
-      const validChecksums = await checksums.fetchUnknownChecksums(false, new checksums.WrapperChecksums)
+      const validChecksums = await checksums.fetchUnknownChecksums(false, knownChecksumsWithout8_1())
-      expect(validChecksums.checksums.size).toBeGreaterThan(10)
+      expect(validChecksums.checksums.size).toBeGreaterThan(0)
       nock.isDone()
     })
   })

sources/test/jest/wrapper-validation/validate.test.ts

@@ -2,7 +2,7 @@ import * as path from 'path'
 import * as fs from 'fs'
 import * as validate from '../../../src/wrapper-validation/validate'
 import {expect, test, jest} from '@jest/globals'
-import { WrapperChecksums } from '../../../src/wrapper-validation/checksums'
+import { WrapperChecksums, KNOWN_CHECKSUMS } from '../../../src/wrapper-validation/checksums'
 import { ChecksumCache } from '../../../src/wrapper-validation/cache'
 import exp from 'constants'
 
@@ -11,6 +11,21 @@ jest.setTimeout(30000)
 const baseDir = path.resolve('./test/jest/wrapper-validation')
 const tmpDir = path.resolve('./test/jest/tmp')
 
+const CHECKSUM_3888 = '3888c76faa032ea8394b8a54e04ce2227ab1f4be64f65d450f8509fe112d38ce'
+
+function knownChecksumsWithout3888(): WrapperChecksums {
+  const knownChecksums = new WrapperChecksums()
+  // iterate over all known checksums and add them to the knownChecksums object
+  for (const [checksum, versions] of KNOWN_CHECKSUMS.checksums) {
+    if (checksum !== CHECKSUM_3888) {
+      for (const version of versions) {
+        knownChecksums.add(version, checksum)
+      }
+    }
+  }
+  return knownChecksums
+}
+
 test('succeeds if all found wrapper jars are valid', async () => {
   const result = await validate.findInvalidWrapperJars(baseDir, false, [
     'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855'
@@ -47,7 +62,7 @@ test('succeeds if all found wrapper jars are previously valid', async () => {
 })
 
 test('succeeds if all found wrapper jars are valid (and checksums are fetched from Gradle API)', async () => {
-  const knownValidChecksums = new WrapperChecksums()
+  const knownValidChecksums = knownChecksumsWithout3888()
   const result = await validate.findInvalidWrapperJars(
     baseDir,
     false,