infra[minor]: Add codecov to CI & run all unit tests in CI (langchain…

…-ai#4126)

* infra[minor]: Add codecov to CI

* codecov.yml file

* cr

* cr

* update jest config collect coverage

* cr

* gen coverage

* rm rf coverage folders

* test all

.codecov.yml

@@ -0,0 +1,12 @@
+coverage:
+  status:
+    project:
+      default:
+        informational: true
+    patch:
+      default:
+        informational: true
+
+
+# When modifying this file, please validate using
+# curl -X POST --data-binary @codecov.yml https://codecov.io/validate

.github/workflows/ci.yml

@@ -65,7 +65,11 @@ jobs:
       - name: Install dependencies
         run: yarn install --immutable
       - name: Test
-        run: yarn run test:unit
+        run: yarn run test:unit -- --coverage
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v3
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
 
   test-exports:
     uses:

langchain/jest.config.cjs

@@ -17,4 +17,5 @@ module.exports = {
   setupFiles: ["dotenv/config"],
   setupFilesAfterEnv: ["./scripts/jest-setup-after-env.js"],
   testTimeout: 20_000,
+  collectCoverageFrom: ["src/**/*.ts"]
 };

libs/create-langchain-integration/template/jest.config.cjs

@@ -17,4 +17,5 @@ module.exports = {
   setupFiles: ["dotenv/config"],
   testTimeout: 20_000,
   passWithNoTests: true,
+  collectCoverageFrom: ["src/**/*.ts"],
 };

libs/langchain-cloudflare/jest.config.cjs

@@ -17,4 +17,5 @@ module.exports = {
   setupFiles: ["dotenv/config"],
   testTimeout: 20_000,
   passWithNoTests: true,
+  collectCoverageFrom: ["src/**/*.ts"],
 };

libs/langchain-cohere/jest.config.cjs

@@ -17,4 +17,5 @@ module.exports = {
   setupFiles: ["dotenv/config"],
   testTimeout: 20_000,
   passWithNoTests: true,
+  collectCoverageFrom: ["src/**/*.ts"],
 };

libs/langchain-community/jest.config.cjs

@@ -16,4 +16,5 @@ module.exports = {
   ],
   setupFiles: ["dotenv/config"],
   testTimeout: 20_000,
+  collectCoverageFrom: ["src/**/*.ts"],
 };

libs/langchain-google-genai/jest.config.cjs

@@ -16,4 +16,5 @@ module.exports = {
   ],
   setupFiles: ["dotenv/config"],
   testTimeout: 20_000,
+  collectCoverageFrom: ["src/**/*.ts"],
 };

libs/langchain-mistralai/jest.config.cjs

@@ -16,5 +16,6 @@ module.exports = {
   ],
   setupFiles: ["dotenv/config"],
   testTimeout: 20_000,
-  passWithNoTests: true
+  passWithNoTests: true,
+  collectCoverageFrom: ["src/**/*.ts"]
 };

libs/langchain-pinecone/jest.config.cjs

@@ -17,4 +17,5 @@ module.exports = {
   setupFiles: ["dotenv/config"],
   testTimeout: 20_000,
   passWithNoTests: true,
+  collectCoverageFrom: ["src/**/*.ts"]
 };

libs/langchain-scripts/jest.config.cjs

@@ -15,5 +15,6 @@ module.exports = {
   ],
   setupFiles: ["dotenv/config"],
   testTimeout: 20_000,
-  passWithNoTests: true
+  passWithNoTests: true,
+  collectCoverageFrom: ["src/**/*.ts"]
 };

libs/langchain-yandex/jest.config.cjs

@@ -17,4 +17,5 @@ module.exports = {
   setupFiles: ["dotenv/config"],
   testTimeout: 20_000,
   passWithNoTests: true,
+  collectCoverageFrom: ["src/**/*.ts"],
 };

package.json

@@ -25,7 +25,7 @@
     "lint": "turbo run lint --concurrency 1",
     "lint:fix": "turbo run lint:fix",
     "test": "yarn test:unit && yarn workspace @langchain/core build && yarn workspace langchain build && yarn test:exports:docker",
-    "test:unit": "turbo run test --filter @langchain/core --filter langchain",
+    "test:unit": "turbo run test",
     "test:int": "yarn run test:int:deps && turbo run test:integration ; yarn run test:int:deps:down",
     "test:int:deps": "docker compose -f test-int-deps-docker-compose.yml up -d",
     "test:int:deps:down": "docker compose -f test-int-deps-docker-compose.yml down",