Add chains to test-exports (#639)

* Add chains to test-exports

* Add one more test that requires every entrypoint

Author: nfcampos

test-exports-cjs/entrypoints.js

@@ -0,0 +1,12 @@
+const package = require("langchain/package.json");
+
+Object.keys(package.exports).forEach((key) => {
+  if (key === "./package.json") return;
+
+  if (key === ".") {
+    require("langchain");
+  } else {
+    require(`langchain/${key.slice(2)}`);
+    // If this fails probably means that a ESM-only dependency is being imported
+  }
+});

test-exports-cjs/import.js

@@ -1,15 +1,18 @@
 async function test() {
   const { default: assert } = await import("assert");
   const { OpenAI } = await import("langchain");
-  const { loadPrompt } = await import("langchain/prompts");
+  const { LLMChain } = await import("langchain/chains");
+  const { loadPrompt, ChatPromptTemplate } = await import("langchain/prompts");
   const { HNSWLib } = await import("langchain/vectorstores");
   const { OpenAIEmbeddings } = await import("langchain/embeddings");
   const { InMemoryDocstore, Document } = await import("langchain/docstore");
   const { CSVLoader } = await import("langchain/document_loaders");
 
   // Test exports
   assert(typeof OpenAI === "function");
+  assert(typeof LLMChain === "function");
   assert(typeof loadPrompt === "function");
+  assert(typeof ChatPromptTemplate === "function");
   assert(typeof HNSWLib === "function");
 
   // Test dynamic imports of peer dependencies

test-exports-cjs/index.mjs

@@ -1,14 +1,17 @@
 import assert from "assert";
 import { OpenAI } from "langchain";
-import { loadPrompt } from "langchain/prompts";
+import { LLMChain } from "langchain/chains";
+import { loadPrompt, ChatPromptTemplate } from "langchain/prompts";
 import { HNSWLib } from "langchain/vectorstores";
 import { OpenAIEmbeddings } from "langchain/embeddings";
 import { InMemoryDocstore, Document } from "langchain/docstore";
 import { CSVLoader } from "langchain/document_loaders";
 
 // Test exports
 assert(typeof OpenAI === "function");
+assert(typeof LLMChain === "function");
 assert(typeof loadPrompt === "function");
+assert(typeof ChatPromptTemplate === "function");
 assert(typeof HNSWLib === "function");
 
 // Test dynamic imports of peer dependencies

test-exports-cjs/index.ts

@@ -1,6 +1,7 @@
 import assert from "assert";
 import { OpenAI } from "langchain";
-import { loadPrompt } from "langchain/prompts";
+import { LLMChain } from "langchain/chains";
+import { loadPrompt, ChatPromptTemplate } from "langchain/prompts";
 import { HNSWLib } from "langchain/vectorstores";
 import { OpenAIEmbeddings } from "langchain/embeddings";
 import { InMemoryDocstore, Document } from "langchain/docstore";
@@ -9,7 +10,9 @@ import { CSVLoader } from "langchain/document_loaders";
 async function test() {
   // Test exports
   assert(typeof OpenAI === "function");
+  assert(typeof LLMChain === "function");
   assert(typeof loadPrompt === "function");
+  assert(typeof ChatPromptTemplate === "function");
   assert(typeof HNSWLib === "function");
 
   // Test dynamic imports of peer dependencies

test-exports-cjs/package.json

@@ -5,10 +5,11 @@
   "description": "CJS Tests for the things exported by the langchain package",
   "main": "./index.mjs",
   "scripts": {
-    "test": "npm run test:esm && npm run test:cjs && npm run test:cjs:import && npm run test:ts",
+    "test": "npm run test:esm && npm run test:cjs && npm run test:cjs:import && npm run test:cjs:entrypoints && npm run test:ts",
     "test:esm": "node ./index.mjs",
     "test:cjs": "node ./require.js",
     "test:cjs:import": "node ./import.js",
+    "test:cjs:entrypoints": "node ./entrypoints.js",
     "test:ts": "tsc && node dist/index.js",
     "format": "prettier --write \"**/*.ts\"",
     "format:check": "prettier --list-different \"**/*.ts\""

test-exports-cjs/require.js

@@ -1,6 +1,7 @@
 const assert = require("assert");
 const { OpenAI } = require("langchain");
-const { loadPrompt } = require("langchain/prompts");
+const { LLMChain } = require("langchain/chains");
+const { loadPrompt, ChatPromptTemplate } = require("langchain/prompts");
 const { HNSWLib } = require("langchain/vectorstores");
 const { OpenAIEmbeddings } = require("langchain/embeddings");
 const { InMemoryDocstore, Document } = require("langchain/docstore");
@@ -9,7 +10,9 @@ const { CSVLoader } = require("langchain/document_loaders");
 async function test() {
   // Test exports
   assert(typeof OpenAI === "function");
+  assert(typeof LLMChain === "function");
   assert(typeof loadPrompt === "function");
+  assert(typeof ChatPromptTemplate === "function");
   assert(typeof HNSWLib === "function");
 
   // Test dynamic imports of peer dependencies

test-exports/import.cjs

@@ -1,15 +1,18 @@
 async function test() {
   const { default: assert } = await import("assert");
   const { OpenAI } = await import("langchain");
-  const { loadPrompt } = await import("langchain/prompts");
+  const { LLMChain } = await import("langchain/chains");
+  const { loadPrompt, ChatPromptTemplate } = await import("langchain/prompts");
   const { HNSWLib } = await import("langchain/vectorstores");
   const { OpenAIEmbeddings } = await import("langchain/embeddings");
   const { InMemoryDocstore, Document } = await import("langchain/docstore");
   const { CSVLoader } = await import("langchain/document_loaders");
 
   // Test exports
   assert(typeof OpenAI === "function");
+  assert(typeof LLMChain === "function");
   assert(typeof loadPrompt === "function");
+  assert(typeof ChatPromptTemplate === "function");
   assert(typeof HNSWLib === "function");
 
   // Test dynamic imports of peer dependencies

test-exports/index.mjs renamed to test-exports/index.js

@@ -1,14 +1,17 @@
 import assert from "assert";
 import { OpenAI } from "langchain";
-import { loadPrompt } from "langchain/prompts";
+import { LLMChain } from "langchain/chains";
+import { loadPrompt, ChatPromptTemplate } from "langchain/prompts";
 import { HNSWLib } from "langchain/vectorstores";
 import { OpenAIEmbeddings } from "langchain/embeddings";
 import { InMemoryDocstore, Document } from "langchain/docstore";
 import { CSVLoader } from "langchain/document_loaders";
 
 // Test exports
 assert(typeof OpenAI === "function");
+assert(typeof LLMChain === "function");
 assert(typeof loadPrompt === "function");
+assert(typeof ChatPromptTemplate === "function");
 assert(typeof HNSWLib === "function");
 
 // Test dynamic imports of peer dependencies

test-exports/index.ts

@@ -1,6 +1,7 @@
 import assert from "assert";
 import { OpenAI } from "langchain";
-import { loadPrompt } from "langchain/prompts";
+import { LLMChain } from "langchain/chains";
+import { loadPrompt, ChatPromptTemplate } from "langchain/prompts";
 import { HNSWLib } from "langchain/vectorstores";
 import { OpenAIEmbeddings } from "langchain/embeddings";
 import { InMemoryDocstore, Document } from "langchain/docstore";
@@ -9,7 +10,9 @@ import { CSVLoader } from "langchain/document_loaders";
 async function test() {
   // Test exports
   assert(typeof OpenAI === "function");
+  assert(typeof LLMChain === "function");
   assert(typeof loadPrompt === "function");
+  assert(typeof ChatPromptTemplate === "function");
   assert(typeof HNSWLib === "function");
 
   // Test dynamic imports of peer dependencies

test-exports/package.json

@@ -7,7 +7,7 @@
   "type": "module",
   "scripts": {
     "test": "npm run test:esm && npm run test:cjs && npm run test:cjs:import && npm run test:ts",
-    "test:esm": "node ./index.mjs",
+    "test:esm": "node ./index.js",
     "test:cjs": "node ./require.cjs",
     "test:cjs:import": "node ./import.cjs",
     "test:ts": "tsc && node dist/index.js",

test-exports/require.cjs

@@ -1,6 +1,7 @@
 const assert = require("assert");
 const { OpenAI } = require("langchain");
-const { loadPrompt } = require("langchain/prompts");
+const { LLMChain } = require("langchain/chains");
+const { loadPrompt, ChatPromptTemplate } = require("langchain/prompts");
 const { HNSWLib } = require("langchain/vectorstores");
 const { OpenAIEmbeddings } = require("langchain/embeddings");
 const { InMemoryDocstore, Document } = require("langchain/docstore");
@@ -9,7 +10,9 @@ const { CSVLoader } = require("langchain/document_loaders");
 async function test() {
   // Test exports
   assert(typeof OpenAI === "function");
+  assert(typeof LLMChain === "function");
   assert(typeof loadPrompt === "function");
+  assert(typeof ChatPromptTemplate === "function");
   assert(typeof HNSWLib === "function");
 
   // Test dynamic imports of peer dependencies