From d699aa553c0572d1c5b6b70d76d8fdbbbce6986b Mon Sep 17 00:00:00 2001
From: Zoltan Kochan <z@kochan.io>
Date: Sat, 3 Sep 2022 16:22:04 +0300
Subject: [PATCH] test: npm-resolver

---
 packages/npm-resolver/src/pickPackage.ts      | 22 ++++++++----
 .../npm-resolver/test/fixtures/bad-dates.json | 23 ++++++++++++
 .../npm-resolver/test/publishedBy.test.ts     | 35 +++++++++++++++++++
 3 files changed, 74 insertions(+), 6 deletions(-)
 create mode 100644 packages/npm-resolver/test/fixtures/bad-dates.json
 create mode 100644 packages/npm-resolver/test/publishedBy.test.ts

diff --git a/packages/npm-resolver/src/pickPackage.ts b/packages/npm-resolver/src/pickPackage.ts
index 1f19ae61c4b..bdca41bdcc8 100644
--- a/packages/npm-resolver/src/pickPackage.ts
+++ b/packages/npm-resolver/src/pickPackage.ts
@@ -55,6 +55,17 @@ export interface PickPackageOptions {
   dryRun: boolean
 }
 
+function pickPackageFromMetaUsingTime (
+  spec: RegistryPackageSpec,
+  preferredVersionSelectors: VersionSelectors | undefined,
+  meta: PackageMeta,
+  publishedBy?: Date
+) {
+  const pickedPackage = pickPackageFromMeta(pickVersionByVersionRange, spec, preferredVersionSelectors, meta, publishedBy)
+  if (pickedPackage) return pickedPackage
+  return pickPackageFromMeta(pickLowestVersionByVersionRange, spec, preferredVersionSelectors, meta, publishedBy)
+}
+
 export default async (
   ctx: {
     fetch: (pkgName: string, registry: string, authHeaderValue?: string) => Promise<PackageMeta>
@@ -69,7 +80,10 @@ export default async (
   opts: PickPackageOptions
 ): Promise<{meta: PackageMeta, pickedPackage: PackageInRegistry | null}> => {
   opts = opts || {}
-  const _pickPackageFromMeta = pickPackageFromMeta.bind(null, opts.pickLowestVersion ? pickLowestVersionByVersionRange : pickVersionByVersionRange)
+  const _pickPackageFromMeta =
+    opts.publishedBy
+      ? pickPackageFromMetaUsingTime
+      : (pickPackageFromMeta.bind(null, opts.pickLowestVersion ? pickLowestVersionByVersionRange : pickVersionByVersionRange))
 
   validatePackageName(spec.name)
 
@@ -123,13 +137,9 @@ export default async (
   if (opts.publishedBy) {
     metaCachedInStore = metaCachedInStore ?? await limit(async () => loadMeta(pkgMirror))
     if (metaCachedInStore?.cachedAt && new Date(metaCachedInStore.cachedAt) >= opts.publishedBy) {
-      let pickedPackage = _pickPackageFromMeta(spec, opts.preferredVersionSelectors, metaCachedInStore, opts.publishedBy)
-      if (!pickedPackage) {
-        pickedPackage = pickPackageFromMeta(pickLowestVersionByVersionRange, spec, opts.preferredVersionSelectors, metaCachedInStore)
-      }
       return {
         meta: metaCachedInStore,
-        pickedPackage,
+        pickedPackage: _pickPackageFromMeta(spec, opts.preferredVersionSelectors, metaCachedInStore, opts.publishedBy),
       }
     }
   }
diff --git a/packages/npm-resolver/test/fixtures/bad-dates.json b/packages/npm-resolver/test/fixtures/bad-dates.json
new file mode 100644
index 00000000000..996ae30a43b
--- /dev/null
+++ b/packages/npm-resolver/test/fixtures/bad-dates.json
@@ -0,0 +1,23 @@
+{
+  "versions": {
+      "1.0.0": {
+          "name": "bad-dates",
+          "version": "1.0.0",
+          "_hasShrinkwrap": false,
+          "directories": {},
+          "dist": {
+              "integrity": "sha512-9cI+DmhNhA8ioT/3EJFnt0s1yehnAECyIOXdT+2uQGzcEEBaj8oNmVWj33+ZjPndMIFRQh8JeJlEu1uv5/J7pQ==",
+              "shasum": "88009856b64a2f1eb7d8bb0179418424ae0452cb",
+              "tarball": "https://registry.npmjs.org/bad-dates/-/bad-dates-1.0.0.tgz"
+          }
+      }
+  },
+  "time": {
+    "1.0.0": "2017-08-17T19:26:00.508Z"
+  },
+  "name": "bad-dates",
+  "dist-tags": {
+      "latest": "1.0.0"
+  },
+  "modified": "2017-08-17T19:26:00.508Z"
+}
diff --git a/packages/npm-resolver/test/publishedBy.test.ts b/packages/npm-resolver/test/publishedBy.test.ts
new file mode 100644
index 00000000000..726b27b7423
--- /dev/null
+++ b/packages/npm-resolver/test/publishedBy.test.ts
@@ -0,0 +1,35 @@
+import { createFetchFromRegistry } from '@pnpm/fetch'
+import _createResolveFromNpm from '@pnpm/npm-resolver'
+import fixtures from '@pnpm/test-fixtures'
+import loadJsonFile from 'load-json-file'
+import nock from 'nock'
+import tempy from 'tempy'
+
+const f = fixtures(__dirname)
+const registry = 'https://registry.npmjs.org/'
+
+/* eslint-disable @typescript-eslint/no-explicit-any */
+const badDatesMeta = loadJsonFile.sync<any>(f.find('bad-dates.json'))
+/* eslint-enable @typescript-eslint/no-explicit-any */
+
+const fetch = createFetchFromRegistry({})
+const getCredentials = () => ({ authHeaderValue: undefined, alwaysAuth: undefined })
+const createResolveFromNpm = _createResolveFromNpm.bind(null, fetch, getCredentials)
+
+test('fall back to a newer version if there is no version published by the given date', async () => {
+  nock(registry)
+    .get('/bad-dates')
+    .reply(200, badDatesMeta)
+
+  const cacheDir = tempy.directory()
+  const resolve = createResolveFromNpm({
+    cacheDir,
+  })
+  const resolveResult = await resolve({ alias: 'bad-dates', pref: '^1.0.0' }, {
+    registry,
+    publishedBy: new Date('2015-08-17T19:26:00.508Z'),
+  })
+
+  expect(resolveResult!.resolvedVia).toBe('npm-registry')
+  expect(resolveResult!.id).toBe('registry.npmjs.org/bad-dates/1.0.0')
+})