add azure-sdk/emitter-package-json-pinning test

tools/tsp-client/src/commands.ts

@@ -434,10 +434,10 @@ export async function generateConfigFilesCommand(argv: any) {
   delete overrideJson[packageJson["name"]];
   const devDependencies: Record<string, any> = {};
   const peerDependencies = packageJson["peerDependencies"] ?? {};
-  const possiblyPinnedPackages =
+  const possiblyPinnedPackages: Array<string> =
     packageJson["azure-sdk/emitter-package-json-pinning"] ?? Object.keys(peerDependencies);
 
-  for (const pinnedPackage of possiblyPinnedPackages) {
+  for (const pinnedPackage in possiblyPinnedPackages) {
     const pinnedVersion = packageJson["devDependencies"][pinnedPackage];
     if (pinnedVersion && !overrideJson[pinnedPackage]) {
       Logger.info(`Pinning ${pinnedPackage} to ${pinnedVersion}`);

tools/tsp-client/test/commands.spec.ts

@@ -257,7 +257,7 @@
       assert.isUndefined(emitterJson["overrides"]);
       assert.isTrue(await doesFileExist(joinPaths(repoRoot, "eng", "emitter-package-lock.json")));
     } catch (error: any) {
       assert.fail("Failed to generate tsp-client config files. Error: " + error);
     }
   });
 
@@ -281,4 +281,24 @@
       assert.fail("Failed to generate tsp-client config files. Error: " + error);
     }
   });
+
+  it("Generate config files using azure-sdk/emitter-package-json-pinning", async () => {
+    try {
+      const args = {
+        "package-json": joinPaths(cwd(), "test", "examples", "package-sdk-pinning.json"),
+      };
+      repoRoot = await getRepoRoot(cwd());
+      await generateConfigFilesCommand(args);
+      assert.isTrue(await doesFileExist(joinPaths(repoRoot, "eng", "emitter-package.json")));
+      const emitterJson = JSON.parse(
+        await readFile(joinPaths(repoRoot, "eng", "emitter-package.json"), "utf8"),
+      );
+      assert.equal(emitterJson["dependencies"]["@azure-tools/typespec-python"], "0.37.3");
+      assert.equal(Object.keys(emitterJson["devDependencies"]).length, 1);
+      assert.equal(emitterJson["devDependencies"]["@typespec/compiler"], "~0.64.0");
+      assert.isTrue(await doesFileExist(joinPaths(repoRoot, "eng", "emitter-package-lock.json")));
+    } catch (error: any) {
+      assert.fail("Failed to generate tsp-client config files. Error: " + error);
+    }
+  });
 });