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langgraphjs-api/libs/langgraph-cli/tests/config.test.mts
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Tat Dat Duong cfeff355e0 Add turbo, fix formatting
2025-02-05 01:57:45 +01:00

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import dedent from "dedent";
import { describe, expect, it } from "vitest";
import {
assembleLocalDeps,
configToCompose,
configToDocker,
configToWatch,
} from "../src/docker/docker.mjs";
import { type Config, getConfig } from "../src/utils/config.mjs";
import { fileURLToPath } from "node:url";
import * as path from "node:path";
import * as fs from "node:fs/promises";
import * as yaml from "yaml";
const dedenter = dedent.withOptions({ escapeSpecialCharacters: false });
const DEFAULT_CONFIG = {
dockerfile_lines: [],
env: {},
python_version: "3.11" as const,
pip_config_file: undefined,
};
const __dirname = path.dirname(fileURLToPath(import.meta.url));
describe("config to watch", () => {
it("python e2e", async () => {
const config = getConfig({
...DEFAULT_CONFIG,
dependencies: ["."],
graphs: { agent: "./agent.py:graph" },
env: ".env",
dockerfile_lines: [],
});
const localDeps = await assembleLocalDeps(
path.resolve(__dirname, "./unit_tests/langgraph.json"),
config,
);
const watch = await configToWatch(
path.resolve(__dirname, "./unit_tests/langgraph.json"),
config,
localDeps,
);
expect(watch).toEqual([
{
action: "sync",
ignore: ["langgraph.json", ".env"],
path: ".",
target: "/deps/__outer_unit_tests/unit_tests",
},
]);
});
it("js e2e", async () => {
const config = getConfig({
...DEFAULT_CONFIG,
node_version: "20",
dockerfile_lines: [],
graphs: { agent: "./graphs/agent.js:graph" },
env: ".env",
});
const localDeps = await assembleLocalDeps(
path.resolve(__dirname, "./unit_tests/langgraph.json"),
config,
);
const watch = await configToWatch(
path.resolve(__dirname, "./unit_tests/langgraph.json"),
config,
localDeps,
);
expect(watch).toEqual([
{ action: "rebuild", path: "package.json" },
{ action: "rebuild", path: "package-lock.json" },
{ action: "rebuild", path: "yarn.lock" },
{ action: "rebuild", path: "pnpm-lock.yaml" },
{ action: "rebuild", path: "bun.lockb" },
{
action: "sync",
ignore: [
"node_modules",
"langgraph.json",
".env",
"package.json",
"package-lock.json",
"yarn.lock",
"pnpm-lock.yaml",
"bun.lockb",
],
path: ".",
target: "/deps/unit_tests",
},
]);
});
});
describe("config to docker", () => {
const PATH_TO_CONFIG = path.resolve(__dirname, "./unit_tests/langgraph.json");
it("simple", async () => {
const graphs = { agent: "./agent.py:graph" };
const config = getConfig({
...DEFAULT_CONFIG,
dependencies: ["."],
graphs,
});
const actual = await configToDocker(
PATH_TO_CONFIG,
config,
await assembleLocalDeps(PATH_TO_CONFIG, config),
);
expect(actual).toEqual(dedenter`
FROM langchain/langgraph-api:3.11
ADD . /deps/__outer_unit_tests/unit_tests
RUN set -ex && \
for line in '[project]' \
'name = "unit_tests"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_unit_tests/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_unit_tests/unit_tests/agent.py:graph"}'
WORKDIR /deps/__outer_unit_tests/unit_tests
`);
});
it("pipconfig", async () => {
const graphs = { agent: "./agent.py:graph" };
const config = getConfig({
...DEFAULT_CONFIG,
dependencies: ["."],
graphs,
pip_config_file: "pipconfig.txt",
});
const actual = await configToDocker(
PATH_TO_CONFIG,
config,
await assembleLocalDeps(PATH_TO_CONFIG, config),
);
expect(actual).toEqual(dedenter`
FROM langchain/langgraph-api:3.11
ADD pipconfig.txt /pipconfig.txt
ADD . /deps/__outer_unit_tests/unit_tests
RUN set -ex && \
for line in '[project]' \
'name = "unit_tests"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_unit_tests/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PIP_CONFIG_FILE=/pipconfig.txt PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_unit_tests/unit_tests/agent.py:graph"}'
WORKDIR /deps/__outer_unit_tests/unit_tests
`);
});
it("invalid inputs", async () => {
// test missing local dependencies
await expect(async () => {
const graphs = { agent: "./agent.py:graph" };
const config = getConfig({
...DEFAULT_CONFIG,
dependencies: ["./missing"],
graphs,
});
await configToDocker(
PATH_TO_CONFIG,
config,
await assembleLocalDeps(PATH_TO_CONFIG, config),
);
}).rejects.toThrowError(/Could not find local dependency/);
// test missing local module
await expect(async () => {
const graphs = { agent: "./missing.py:graph" };
const config = getConfig({
...DEFAULT_CONFIG,
dependencies: ["."],
graphs,
});
await configToDocker(
PATH_TO_CONFIG,
config,
await assembleLocalDeps(PATH_TO_CONFIG, config),
);
}).rejects.toThrowError(/Could not find local module/);
});
it("local deps", async () => {
const graphs = { agent: "./graphs/agent.py:graph" };
const config = getConfig({
...DEFAULT_CONFIG,
dependencies: ["./graphs"],
graphs,
});
const actual = await configToDocker(
PATH_TO_CONFIG,
config,
await assembleLocalDeps(PATH_TO_CONFIG, config),
);
expect(actual).toEqual(dedenter`
FROM langchain/langgraph-api:3.11
ADD ./graphs /deps/__outer_graphs/src
RUN set -ex && \
for line in '[project]' \
'name = "graphs"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_graphs/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_graphs/src/agent.py:graph"}'
`);
});
it("pyproject", async () => {
const pyproject = path.resolve(__dirname, "./unit_tests/pyproject.toml");
await fs.writeFile(
pyproject,
dedenter`
[project]
name = "custom"
version = "0.1"
dependencies = ["langchain"]
`,
{ encoding: "utf-8" },
);
const graphs = { agent: "./graphs/agent.py:graph" };
const config = getConfig({
...DEFAULT_CONFIG,
dependencies: ["."],
graphs,
});
const actual = await configToDocker(
PATH_TO_CONFIG,
config,
await assembleLocalDeps(PATH_TO_CONFIG, config),
);
await fs.rm(pyproject);
expect(actual).toEqual(dedenter`
FROM langchain/langgraph-api:3.11
ADD . /deps/unit_tests
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/unit_tests/graphs/agent.py:graph"}'
WORKDIR /deps/unit_tests
`);
});
it("e2e", async () => {
const graphs = { agent: "./graphs/agent.py:graph" };
const config = getConfig({
python_version: "3.12" as const,
dependencies: ["./graphs/", "langchain", "langchain_openai"],
graphs: graphs,
pip_config_file: "pipconfig.txt",
dockerfile_lines: ["ARG woof", "ARG foo"],
env: {},
});
const actual = await configToDocker(
PATH_TO_CONFIG,
config,
await assembleLocalDeps(PATH_TO_CONFIG, config),
);
expect(actual).toEqual(dedenter`
FROM langchain/langgraph-api:3.12
ARG woof
ARG foo
ADD pipconfig.txt /pipconfig.txt
RUN --mount=type=cache,target=/root/.cache/pip PIP_CONFIG_FILE=/pipconfig.txt PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt langchain langchain_openai
ADD ./graphs/ /deps/__outer_graphs/src
RUN set -ex && \
for line in '[project]' \
'name = "graphs"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_graphs/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PIP_CONFIG_FILE=/pipconfig.txt PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_graphs/src/agent.py:graph"}'
`);
});
it("js", async () => {
const graphs = { agent: "./graphs/agent.js:graph" };
const config = getConfig({
dockerfile_lines: [],
env: {},
node_version: "20" as const,
graphs,
});
const actual = await configToDocker(
PATH_TO_CONFIG,
config,
await assembleLocalDeps(PATH_TO_CONFIG, config),
);
// TODO: add support for any packager
expect(actual).toEqual(dedenter`
FROM langchain/langgraphjs-api:20
ADD . /deps/unit_tests
ENV LANGSERVE_GRAPHS='{"agent":"./graphs/agent.js:graph"}'
WORKDIR /deps/unit_tests
RUN npm i
RUN (test ! -f /api/langgraph_api/js/build.mts && echo "Prebuild script not found, skipping") || tsx /api/langgraph_api/js/build.mts
`);
});
});
describe("config to compose", () => {
const PATH_TO_CONFIG = path.resolve(__dirname, "./unit_tests/langgraph.json");
it("simple", async () => {
const graph = { agent: "./agent.py:graph" };
const expected =
dedenter`
pull_policy: build
build:
context: .
dockerfile_inline: |
FROM langchain/langgraph-api:3.11
ADD . /deps/__outer_unit_tests/unit_tests
RUN set -ex && \
for line in '[project]' \
'name = "unit_tests"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_unit_tests/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_unit_tests/unit_tests/agent.py:graph"}'
WORKDIR /deps/__outer_unit_tests/unit_tests
` + "\n";
const { apiDef: actual, rewrite } = await configToCompose(PATH_TO_CONFIG, {
...DEFAULT_CONFIG,
dependencies: ["."],
graphs: graph,
});
expect(yaml.stringify(actual, { blockQuote: "literal" })).toEqual(expected);
expect(rewrite).toMatchObject({
source: expect.stringContaining("/tests/unit_tests"),
target: "/deps/__outer_unit_tests/unit_tests",
});
});
it("env vars", async () => {
const graph = { agent: "./agent.py:graph" };
const expected =
dedenter`
pull_policy: build
build:
context: .
dockerfile_inline: |
FROM langchain/langgraph-api:3.11
ADD . /deps/__outer_unit_tests/unit_tests
RUN set -ex && \
for line in '[project]' \
'name = "unit_tests"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_unit_tests/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_unit_tests/unit_tests/agent.py:graph"}'
WORKDIR /deps/__outer_unit_tests/unit_tests
environment:
OPENAI_API_KEY: key
` + "\n";
const openai_api_key = "key";
const { apiDef: actual, rewrite } = await configToCompose(PATH_TO_CONFIG, {
...DEFAULT_CONFIG,
dependencies: ["."],
graphs: graph,
env: { OPENAI_API_KEY: openai_api_key },
});
expect(yaml.stringify(actual, { blockQuote: "literal" })).toEqual(expected);
expect(rewrite).toMatchObject({
source: expect.stringContaining("/tests/unit_tests"),
target: "/deps/__outer_unit_tests/unit_tests",
});
});
it("env file", async () => {
const graph = { agent: "./agent.py:graph" };
const expected =
dedenter`
pull_policy: build
build:
context: .
dockerfile_inline: |
FROM langchain/langgraph-api:3.11
ADD . /deps/__outer_unit_tests/unit_tests
RUN set -ex && \
for line in '[project]' \
'name = "unit_tests"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_unit_tests/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_unit_tests/unit_tests/agent.py:graph"}'
WORKDIR /deps/__outer_unit_tests/unit_tests
env_file: .env
` + "\n";
const { apiDef: actual, rewrite } = await configToCompose(PATH_TO_CONFIG, {
...DEFAULT_CONFIG,
dependencies: ["."],
graphs: graph,
env: ".env",
});
expect(yaml.stringify(actual, { blockQuote: "literal" })).toEqual(expected);
expect(rewrite).toMatchObject({
source: expect.stringContaining("/tests/unit_tests"),
target: "/deps/__outer_unit_tests/unit_tests",
});
});
it("watch", async () => {
const graph = { agent: "./agent.py:graph" };
const expected =
dedenter`
pull_policy: build
build:
context: .
dockerfile_inline: |
FROM langchain/langgraph-api:3.11
ADD . /deps/__outer_unit_tests/unit_tests
RUN set -ex && \
for line in '[project]' \
'name = "unit_tests"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_unit_tests/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_unit_tests/unit_tests/agent.py:graph"}'
WORKDIR /deps/__outer_unit_tests/unit_tests
CMD exec uvicorn langgraph_api.server:app --log-config /api/logging.json --no-access-log --host 0.0.0.0 --port 8000 --reload --reload-dir /deps/__outer_unit_tests/unit_tests
develop:
watch:
- path: .
action: sync
target: /deps/__outer_unit_tests/unit_tests
ignore:
- langgraph.json
` + "\n";
const { apiDef: actual, rewrite } = await configToCompose(
PATH_TO_CONFIG,
{
...DEFAULT_CONFIG,
dependencies: ["."],
graphs: graph,
},
{ watch: true },
);
expect(yaml.stringify(actual, { blockQuote: "literal" })).toEqual(expected);
expect(rewrite).toMatchObject({
source: expect.stringContaining("/tests/unit_tests"),
target: "/deps/__outer_unit_tests/unit_tests",
});
});
it("env", async () => {
const PATH_TO_CONFIG = path.resolve(
__dirname,
"./env_tests/langgraph.json",
);
const graph = { agent: "./agent.py:graph" };
const expected =
dedenter`
pull_policy: build
build:
context: .
dockerfile_inline: |
FROM langchain/langgraph-api:3.11
ADD . /deps/__outer_env_tests/env_tests
RUN set -ex && \
for line in '[project]' \
'name = "env_tests"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_env_tests/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_env_tests/env_tests/agent.py:graph"}'
WORKDIR /deps/__outer_env_tests/env_tests
CMD exec uvicorn langgraph_api.server:app --log-config /api/logging.json --no-access-log --host 0.0.0.0 --port 8000 --reload --reload-dir /deps/__outer_env_tests/env_tests
develop:
watch:
- path: .
action: sync
target: /deps/__outer_env_tests/env_tests
ignore:
- langgraph.json
environment:
ANTHROPIC_API_KEY: key
OPENAI_API_KEY: key
` + "\n";
const { apiDef: actual, rewrite } = await configToCompose(
PATH_TO_CONFIG,
{
...DEFAULT_CONFIG,
dependencies: ["."],
graphs: graph,
env: ["OPENAI_API_KEY", "ANTHROPIC_API_KEY"],
dockerfile_lines: [],
},
{
watch: true,
extendEnv: { ANTHROPIC_API_KEY: "key", OPENAI_API_KEY: "key" },
},
);
expect(yaml.stringify(actual, { blockQuote: "literal" })).toEqual(expected);
expect(rewrite).toMatchObject({
source: expect.stringContaining("/tests/env_tests"),
target: "/deps/__outer_env_tests/env_tests",
});
});
it("env missing", async () => {
await expect(() =>
configToCompose(
path.resolve(__dirname, "./env_tests/langgraph.json"),
{
...DEFAULT_CONFIG,
dependencies: ["."],
graphs: { agent: "./agent.py:graph" },
env: ["OPENAI_API_KEY", "ANTHROPIC_API_KEY"],
dockerfile_lines: [],
},
{ watch: true },
),
).rejects.toThrowError(
/Missing environment variables: OPENAI_API_KEY, ANTHROPIC_API_KEY/,
);
});
it("multilanguage", async () => {
const graphs = {
python: "./graphs/agent.py:graph",
js: "./graphs/agent.js:graph",
};
const config = getConfig({
dockerfile_lines: [],
env: {},
node_version: "20" as const,
python_version: "3.12" as const,
graphs,
dependencies: ["."],
});
const { apiDef: actual } = await configToCompose(PATH_TO_CONFIG, config, {
watch: false,
});
const expected =
dedenter`
pull_policy: build
build:
context: .
dockerfile_inline: |
FROM langchain/langgraphjs-api:20
ADD . /deps/__outer_unit_tests/unit_tests
RUN set -ex && \
for line in '[project]' \
'name = "unit_tests"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_unit_tests/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"python":"/deps/__outer_unit_tests/unit_tests/graphs/agent.py:graph","js":"/deps/__outer_unit_tests/unit_tests/graphs/agent.js:graph"}'
WORKDIR /deps/__outer_unit_tests/unit_tests
RUN npm i
RUN (test ! -f /api/langgraph_api/js/build.mts && echo "Prebuild script not found, skipping") || tsx /api/langgraph_api/js/build.mts
` + "\n";
expect(yaml.stringify(actual, { blockQuote: "literal" })).toEqual(expected);
});
it("e2e", async () => {
const graph = { agent: "./agent.py:graph" };
const expected =
dedenter`
pull_policy: build
build:
context: .
dockerfile_inline: |
FROM langchain/langgraph-api:3.11
ADD . /deps/__outer_unit_tests/unit_tests
RUN set -ex && \
for line in '[project]' \
'name = "unit_tests"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_unit_tests/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_unit_tests/unit_tests/agent.py:graph"}'
WORKDIR /deps/__outer_unit_tests/unit_tests
CMD exec uvicorn langgraph_api.server:app --log-config /api/logging.json --no-access-log --host 0.0.0.0 --port 8000 --reload --reload-dir /deps/__outer_unit_tests/unit_tests
env_file: .env
develop:
watch:
- path: .
action: sync
target: /deps/__outer_unit_tests/unit_tests
ignore:
- langgraph.json
- .env
` + "\n";
const { apiDef: actual, rewrite } = await configToCompose(
PATH_TO_CONFIG,
{
...DEFAULT_CONFIG,
dependencies: ["."],
graphs: graph,
env: ".env",
dockerfile_lines: [],
},
{ watch: true },
);
expect(yaml.stringify(actual, { blockQuote: "literal" })).toEqual(expected);
expect(rewrite).toMatchObject({
source: expect.stringContaining("/tests/unit_tests"),
target: "/deps/__outer_unit_tests/unit_tests",
});
});
});
describe("packaging", () => {
async function loadConfig(
rel: string,
): Promise<[path: string, config: Config]> {
const res = path.resolve(__dirname, rel);
const config = getConfig(
JSON.parse(await fs.readFile(res, { encoding: "utf-8" })),
);
return [res, config];
}
it("faux", async () => {
const { apiDef: actual } = await configToCompose(
...(await loadConfig("./packaging_tests/faux/langgraph.json")),
{ watch: true },
);
const expected =
dedenter`
pull_policy: build
build:
context: .
dockerfile_inline: |
FROM langchain/langgraph-api:3.11
ADD my_agent/requirements.txt /deps/__outer_my_agent/my_agent/requirements.txt
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -r /deps/__outer_my_agent/my_agent/requirements.txt
ADD ./my_agent /deps/__outer_my_agent/my_agent
RUN set -ex && \
for line in '[project]' \
'name = "my_agent"' \
'version = "0.1"' \
'[tool.setuptools.package-data]' \
'"*" = ["**/*"]'; do \
echo "$$line" >> /deps/__outer_my_agent/pyproject.toml; \
done
RUN --mount=type=cache,target=/root/.cache/pip PYTHONDONTWRITEBYTECODE=1 pip install -c /api/constraints.txt -e /deps/*
ENV LANGSERVE_GRAPHS='{"agent":"/deps/__outer_my_agent/my_agent/agent.py:graph"}'
CMD exec uvicorn langgraph_api.server:app --log-config /api/logging.json --no-access-log --host 0.0.0.0 --port 8000 --reload --reload-dir /deps/__outer_my_agent/my_agent
env_file: .env
develop:
watch:
- path: my_agent/requirements.txt
action: rebuild
- path: ./my_agent
action: sync
target: /deps/__outer_my_agent/my_agent
ignore:
- langgraph.json
- .env
- my_agent/requirements.txt
` + "\n";
expect(yaml.stringify(actual, { blockQuote: "literal" })).toEqual(expected);
});
it("js", async () => {
const { apiDef: actual, rewrite } = await configToCompose(
...(await loadConfig("./packaging_tests/js/langgraph.json")),
{ watch: true },
);
const expected =
dedenter`
pull_policy: build
build:
context: .
dockerfile_inline: |
FROM langchain/langgraphjs-api:20
ADD . /deps/js
ENV LANGSERVE_GRAPHS='{"agent":"./route.ts:agent"}'
WORKDIR /deps/js
RUN npm i
RUN (test ! -f /api/langgraph_api/js/build.mts && echo "Prebuild script not found, skipping") || tsx /api/langgraph_api/js/build.mts
CMD exec uvicorn langgraph_api.server:app --log-config /api/logging.json --no-access-log --host 0.0.0.0 --port 8000 --reload --reload-dir /deps/js
env_file: .env
develop:
watch:
- path: package.json
action: rebuild
- path: package-lock.json
action: rebuild
- path: yarn.lock
action: rebuild
- path: pnpm-lock.yaml
action: rebuild
- path: bun.lockb
action: rebuild
- path: .
action: sync
target: /deps/js
ignore:
- node_modules
- langgraph.json
- .env
- package.json
- package-lock.json
- yarn.lock
- pnpm-lock.yaml
- bun.lockb
` + "\n";
expect(yaml.stringify(actual, { blockQuote: "literal" })).toEqual(expected);
expect(rewrite).toMatchObject({
source: expect.stringContaining("/tests/packaging_tests/js"),
target: "/deps/js",
});
});
});
it("node config and python config", () => {
// node config
expect(
getConfig({
node_version: "20",
dockerfile_lines: [],
dependencies: ["."],
graphs: { agent: "./route.ts:agent" },
}),
).toEqual({
node_version: "20",
dockerfile_lines: [],
graphs: { agent: "./route.ts:agent" },
env: {},
});
// python config
expect(
getConfig({
dockerfile_lines: [],
env: {},
python_version: "3.11" as const,
pip_config_file: undefined,
dependencies: ["."],
graphs: { agent: "./agent.py:graph" },
}),
).toEqual({
python_version: "3.11",
pip_config_file: undefined,
dockerfile_lines: [],
dependencies: ["."],
graphs: { agent: "./agent.py:graph" },
env: {},
});
// default config
expect(
getConfig({
dependencies: ["."],
graphs: { agent: "./agent.py:graph" },
}),
).toEqual({
python_version: "3.11",
pip_config_file: undefined,
dockerfile_lines: [],
dependencies: ["."],
graphs: { agent: "./agent.py:graph" },
env: {},
});
// default node
expect(getConfig({ graphs: { agent: "./agent.js:graph" } })).toEqual({
node_version: "20",
dockerfile_lines: [],
graphs: { agent: "./agent.js:graph" },
env: {},
});
// Default multiplatform
expect(
getConfig({
dependencies: ["."],
graphs: { js: "./agent.js:graph", py: "./agent.py:graph" },
}),
).toEqual({
python_version: "3.12",
node_version: "20",
dependencies: ["."],
graphs: { js: "./agent.js:graph", py: "./agent.py:graph" },
dockerfile_lines: [],
env: {},
});
// Invalid combination
expect
.soft(() =>
getConfig({
node_version: "20",
python_version: "3.11",
graphs: { agent: "./agent.py:graph", js: "./agent.js:graph" },
dependencies: ["."],
}),
)
.toThrow("Only Python 3.12 is supported with Node.js");
// Invalid graph import format
expect
.soft(() =>
getConfig({
graphs: { agent: "agent.py" },
dependencies: ["."],
}),
)
.toThrow(`Import string must be in format '<file>:<export>'`);
// Empty dependencies
expect
.soft(() =>
getConfig({
graphs: { agent: "./agent.py:graph" },
// @ts-expect-error
dependencies: [], // Empty array
}),
)
.toThrow("You need to specify at least one dependency");
// Invalid Python version
expect
.soft(() =>
getConfig({
// @ts-expect-error
python_version: "3.10", // Unsupported version
graphs: { agent: "./agent.py:graph" },
dependencies: ["."],
}),
)
.toThrow();
// Invalid Node version
expect
.soft(() =>
getConfig({
// @ts-expect-error
node_version: "18", // Unsupported version
graphs: { agent: "./agent.js:graph" },
}),
)
.toThrow();
});
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