initial commit

Author: baileympearson

.evergreen/config.yml

@@ -244,6 +244,25 @@ tasks:
       - func: "fetch repo"
       - func: "execute tests"
 
+  - name: test-langchain-js-local
+    tags: [local]
+    commands:
+      - func: "fetch repo"
+      - func: "execute tests"
+      - command: attach.xunit_results
+        params:
+          file: src/langchain-js/langchainjs/libs/langchain-mongodb/results.xml
+
+  - name: test-langchain-js-remote
+    tags: [remote]
+    commands:
+      - func: "fetch repo"
+      - func: "setup remote atlas"
+      - func: "execute tests"
+      - command: attach.xunit_results
+        params:
+          file: src/langchain-js/langchainjs/libs/langchain-mongodb/results.xml
+
 buildvariants:
   - name: test-semantic-kernel-python-rhel
     display_name: Semantic-Kernel RHEL Python
@@ -363,3 +382,13 @@ buildvariants:
       - ubuntu2204-small
     tasks:
       - name: test-langchaingo-local
+
+  - name: test-langchain-js-ubuntu
+    display_name: LangchainJS Ubuntu2204
+    expansions:
+      DIR: langchain-js
+    run_on:
+      - ubuntu2204-small
+    tasks:
+      - name: test-langchain-js-local
+      - name: test-langchain-js-remote

.evergreen/scaffold_atlas.py

@@ -79,7 +79,9 @@ def create_index(client: MongoClient, filename: Path) -> None:
         collection_name,
     )
 
-    collection = client[database_name][collection_name]
+    db = client[database_name]
+
+    collection = db[collection_name] if collection_name in db.list_collection_names() else db.create_collection(collection_name)
 
     search_index = SearchIndexModel(
         loaded_index_configuration, name=index_name, type=index_type

.evergreen/setup-remote.sh

@@ -41,6 +41,9 @@ case $DIR in
     pymongo-voyageai)
         MONGODB_URI=$VOYAGEAI_MONGODB_URI
     ;;
+    langchain-js)
+        MONGODB_URI=$LANGCHAIN_MONGODB_URI
+    ;;
     *)
         echo "Missing config in setup-remote.sh for DIR: $DIR"
         exit 1

langchain-js/config.env

@@ -0,0 +1,3 @@
+REPO_NAME=langchainjs
+CLONE_URL="https://github.com/baileympearson/langchainjs.git"
+DATABASE=langchain_test_db

langchain-js/indexes/langchain_test.json

@@ -0,0 +1,18 @@
+{
+    "name": "default",
+    "type": "search",
+    "mappings": {
+        "fields": {
+            "e": {
+                "type": "number"
+            },
+            "embedding": {
+                "dimensions": 1536,
+                "similarity": "euclidean",
+                "type": "knnVector"
+            }
+        }
+    },
+    "database": "langchain",
+    "collectionName": "test"
+}

langchain-js/run.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+git branch
+git switch test-use-local-atlas
+git log -n 1
+
+# Get the MONGODB_URI and OPENAI_API_KEY.
+SCRIPT_DIR=$(realpath "$(dirname ${BASH_SOURCE[0]})")
+ROOT_DIR=$(dirname $SCRIPT_DIR)
+
+if [[ -f "$ROOT_DIR/env.sh" ]]; then
+    echo "Sourcing $ROOT_DIR/env.sh"
+    source $ROOT_DIR/env.sh
+fi
+
+# setup node, npm and yarn
+PATH=/opt/devtools/node22/bin:$(pwd)/bin:$PATH
+npm_config_prefix=$(pwd)
+export PATH
+export npm_config_prefix
+
+npm install --global yarn
+
+bash ../../.evergreen/fetch-secrets.sh
+source secrets-export.sh
+
+cd libs/langchain-mongodb
+
+yarn install
+yarn build
+
+yarn add --dev jest-junit
+export JEST_JUNIT_OUTPUT_NAME=results.xml
+
+if [[ -n "$MONGODB_URI" ]]; then
+    export MONGODB_ATLAS_URI=$MONGODB_URI
+fi
+
+echo "MONGODB_ATLAS_URI: $MONGODB_ATLAS_URI"
+
+export DEBUG=testcontainers*
+yarn test:int --reporters=default --reporters=jest-junit