Fix missing constraints plugin

Author: cryptodev-2s

src/functional.test.ts

@@ -83,6 +83,7 @@ describe('create-release-branch (functional)', () => {
             private: true,
             workspaces: ['packages/*'],
             scripts: { foo: 'bar' },
+            packageManager: '[email protected]',
           });
           expect(
             await environment.readJsonFileWithinPackage('a', 'package.json'),
@@ -195,6 +196,7 @@ describe('create-release-branch (functional)', () => {
             private: true,
             workspaces: ['packages/*'],
             scripts: { foo: 'bar' },
+            packageManager: '[email protected]',
           });
           expect(
             await environment.readJsonFileWithinPackage('a', 'package.json'),
@@ -691,6 +693,7 @@ describe('create-release-branch (functional)', () => {
             version: '2.0.0',
             private: true,
             workspaces: ['packages/*'],
+            packageManager: '[email protected]',
           });
           expect(
             await environment.readJsonFileWithinPackage('a', 'package.json'),

tests/functional/helpers/local-monorepo.ts

@@ -159,7 +159,48 @@ export default class LocalMonorepo<
   protected async afterCreate() {
     await super.afterCreate();
 
-    await this.writeJsonFile('package.json', { private: true });
+    await this.writeJsonFile('package.json', {
+      private: true,
+      packageManager: '[email protected]',
+    });
+
+    const constraintsProContent = `
+% Ensure that a package has a name defined
+enforce_has_name(Pkg) :-
+    package_json(Pkg, 'name', _).
+
+% Ensure that a package has a version defined
+enforce_has_version(Pkg) :-
+    package_json(Pkg, 'version', _).
+
+% Check all packages in the workspace
+enforce_all :-
+    workspace_package(Pkg),
+    enforce_has_name(Pkg),
+    enforce_has_version(Pkg).
+    `;
+    await this.writeFile('constraints.pro', constraintsProContent);
+
+    const yarnLockContent = `
+# This file is generated by running "yarn install" inside your project.
+# Manual changes might be lost - proceed with caution!
+
+__metadata:
+  version: 6
+
+    ${knownKeysOf(this.#packages)
+      .map((packageName) => {
+        const pkg = this.#packages[packageName];
+        return `
+"${pkg.name}@workspace:${pkg.directoryPath}":
+  version: ${pkg.version}
+  resolution: "${pkg.name}@workspace:${pkg.directoryPath}"
+  languageName: unknown
+  linkType: soft`;
+      })
+      .join('\n\n')}
+  `;
+    await this.writeFile('yarn.lock', yarnLockContent);
 
     // Update manifests for root and workspace packages with `name`, `version`,
     // and (optionally) `workspaces`
@@ -179,6 +220,8 @@ export default class LocalMonorepo<
         );
       }),
     );
+
+    await this.runCommand('yarn', ['plugin', 'import', 'constraints']);
   }
 
   /**