fix: update imports to use 4 main classes

Author: WillieRuemmele

src/commands/force/package/beta/installed/list.ts

@@ -8,8 +8,8 @@
 import * as os from 'os';
 import { Messages } from '@salesforce/core';
 import { SfdxCommand } from '@salesforce/command';
-import { packageInstalledList } from '@salesforce/packaging';
 import { CliUx } from '@oclif/core';
+import { Package } from '@salesforce/packaging';
 
 Messages.importMessagesDirectory(__dirname);
 const messages = Messages.loadMessages('@salesforce/plugin-packaging', 'package_installed_list');
@@ -31,7 +31,7 @@ export class PackageInstalledListCommand extends SfdxCommand {
   public static readonly requiresProject = true;
 
   public async run(): Promise<PackageInstalledListResult[]> {
-    const result = await packageInstalledList(this.org.getConnection());
+    const result = await Package.installedList(this.org.getConnection());
 
     const records = result.map((record) => ({
       Id: record.Id,

src/commands/force/package/beta/version/displayancestry.ts

@@ -8,7 +8,7 @@
 import * as os from 'os';
 import { flags, FlagsConfig, SfdxCommand } from '@salesforce/command';
 import { Messages } from '@salesforce/core';
-import { PackageAncestry, PackageAncestryNodeData } from '@salesforce/packaging';
+import { PackageAncestryNodeData, PackageVersion } from '@salesforce/packaging';
 
 // Import i18n messages
 Messages.importMessagesDirectory(__dirname);
@@ -41,11 +41,11 @@ export class PackageVersionDisplayAncestryCommand extends SfdxCommand {
   };
 
   public async run(): Promise<PackageAncestryNodeData | string> {
-    const packageAncestry = await PackageAncestry.create({
-      packageId: this.flags.package as string,
-      project: this.project,
-      connection: this.hubOrg.getConnection(),
-    });
+    const packageAncestry = await PackageVersion.getAncestry(
+      this.flags.package as string,
+      this.project,
+      this.hubOrg.getConnection()
+    );
     const jsonProducer = packageAncestry.getJsonProducer();
     if (this.flags.dotcode) {
       const dotProducer = packageAncestry.getDotProducer();

test/commands/force/package/install.test.ts

@@ -245,6 +245,9 @@ describe('force:package:install', () => {
       }
     });
 
+    // TODO: It seems that while linking @salesforce/packaging into the plugin
+    // we cannot stub the library calls of `SfProject.getInstance` e.g. "SfProject, 'getInstance'"
+    // once the library has been published, the stubs resume to work and this test will pass
     it('should print SUCCESS status correctly for package alias', async () => {
       // Stubs SfProject.getInstance, SfProject.getSfProjectJson, and SfProjectJson.getContents
       // in a way that makes TS happy... all to test package aliases.