Make it possible to run test command without docker installed (#4948)

libs/langgraph/Makefile

@@ -56,15 +56,22 @@ stop-dev-server:
 	fi
 
 TEST ?= .
+NO_DOCKER ?= $(sh command -v docker >/dev/null 2>&1 && echo "false" || echo "true")
 
 test:
-	make start-postgres &&\
-	make start-dev-server &&\
-	uv run pytest $(TEST); \
-	EXIT_CODE=$$?; \
-	make stop-postgres; \
-	make stop-dev-server; \
-	exit $$EXIT_CODE
+	if [ "$(NO_DOCKER)" = "false" ]; then \
+		make start-postgres &&\
+		make start-dev-server &&\
+		uv run pytest $(TEST); \
+		EXIT_CODE=$$?; \
+		make stop-postgres; \
+		make stop-dev-server; \
+		exit $$EXIT_CODE; \
+	else \
+		NO_DOCKER=true uv run pytest $(TEST) ; \
+		EXIT_CODE=$$?; \
+		exit $$EXIT_CODE; \
+	fi
 
 test_parallel:
 	make start-postgres &&\

libs/langgraph/tests/conftest.py

@@ -1,3 +1,4 @@
+import os
 from collections.abc import AsyncIterator, Iterator
 from uuid import UUID
 
@@ -31,6 +32,8 @@ from tests.conftest_store import (
     _store_postgres_pool,
 )
 
+NO_DOCKER = os.getenv("NO_DOCKER", "false") == "true"
+
 
 @pytest.fixture
 def anyio_backend():
@@ -62,7 +65,9 @@ def cache(request: pytest.FixtureRequest) -> Iterator[BaseCache]:
 
 @pytest.fixture(
     scope="function",
-    params=["in_memory", "postgres", "postgres_pipe", "postgres_pool"],
+    params=["in_memory"]
+    if NO_DOCKER
+    else ["in_memory", "postgres", "postgres_pipe", "postgres_pool"],
 )
 def sync_store(request: pytest.FixtureRequest) -> Iterator[BaseStore]:
     store_name = request.param
@@ -86,7 +91,9 @@ def sync_store(request: pytest.FixtureRequest) -> Iterator[BaseStore]:
 
 @pytest.fixture(
     scope="function",
-    params=["in_memory", "postgres_aio", "postgres_aio_pipe", "postgres_aio_pool"],
+    params=["in_memory"]
+    if NO_DOCKER
+    else ["in_memory", "postgres_aio", "postgres_aio_pipe", "postgres_aio_pool"],
 )
 async def async_store(request: pytest.FixtureRequest) -> AsyncIterator[BaseStore]:
     store_name = request.param
@@ -114,6 +121,12 @@ async def async_store(request: pytest.FixtureRequest) -> AsyncIterator[BaseStore
         "memory",
         "sqlite",
         "sqlite_aes",
+    ]
+    if NO_DOCKER
+    else [
+        "memory",
+        "sqlite",
+        "sqlite_aes",
         "postgres",
         "postgres_pipe",
         "postgres_pool",
@@ -150,6 +163,11 @@ def sync_checkpointer(
     params=[
         "memory",
         "sqlite_aio",
+    ]
+    if NO_DOCKER
+    else [
+        "memory",
+        "sqlite_aio",
         "postgres_aio",
         "postgres_aio_pipe",
         "postgres_aio_pool",

libs/langgraph/tests/test_remote_graph.py

@@ -17,8 +17,15 @@ from langgraph.pregel import Pregel
 from langgraph.pregel.remote import RemoteGraph
 from langgraph.pregel.types import StateSnapshot
 from langgraph.types import Interrupt
+from tests.conftest import NO_DOCKER
 from tests.example_app.example_graph import app
 
+if NO_DOCKER:
+    pytest.skip(
+        "Skipping tests that require Docker. Unset NO_DOCKER to run them.",
+        allow_module_level=True,
+    )
+
 pytestmark = pytest.mark.anyio
 
 NEEDS_CONTEXTVARS = pytest.mark.skipif(