import org.eclipse.aether.collection.DependencyTraverser;
import org.eclipse.aether.graph.Dependency;

import static java.util.Objects.requireNonNull;

/**
 * A dependency traverser that excludes the dependencies of fat artifacts from the traversal. Fat artifacts are
 * artifacts that have the property {@link MavenArtifactProperties#INCLUDES_DEPENDENCIES} set to
 * {@code true}.
 *

<dependency>
  <groupId>com.google.guava</groupId>
  <artifactId>guava-testlib</artifactId>
  <version>33.5.0-jre</version>
  <scope>test</scope>
</dependency>
```

To add a dependency using Gradle:

```gradle
dependencies {
  test 'com.google.guava:guava-testlib:33.5.0-jre'
}
```

## Links

-   [GitHub project](https://github.com/google/guava)

///

### Try the WebSockets with dependencies { #try-the-websockets-with-dependencies }

If your file is named `main.py`, run your application with:

<div class="termy">

```console
$ fastapi dev main.py

import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.resolution.ArtifactDescriptorResult;

/**
 * Service responsible for validating plugin dependencies.
 *
 * @since 3.9.3
 */
interface MavenPluginDependenciesValidator {
    /**
     * Checks mojo dependency issues.
     */
    void validate(
            RepositorySystemSession session,

from fastapi import Depends, FastAPI
from fastapi.testclient import TestClient

app = FastAPI()


async def user_exists(user_id: int):
    return True


@app.get("/users/{user_id}", dependencies=[Depends(user_exists)])
async def read_users(user_id: int):
    pass


client = TestClient(app)


def test_read_users():
    response = client.get("/users/42")
    assert response.status_code == 200, response.text

    params=[
        pytest.param("tutorial008d_py39"),
        pytest.param("tutorial008d_an_py39"),
    ],
)
def get_mod(request: pytest.FixtureRequest):
    mod = importlib.import_module(f"docs_src.dependencies.{request.param}")

    return mod


def test_get_no_item(mod: ModuleType):
    client = TestClient(mod.app)
    response = client.get("/items/foo")
    assert response.status_code == 404, response.text

/www/test_out

# precommit temporary directories created by ./hack/verify-generated-docs.sh and ./hack/lib/util.sh
/_tmp/
/doc_tmp/

# Test artifacts produced by Prow/kubetest2 jobs
/_artifacts/
/_rundir/

# Go dependencies installed on Jenkins
/_gopath/

# Config directories created by gcloud and gsutil on Jenkins
/.config/gcloud*/
/.gsutil/

# CoreOS stuff
/cluster/libvirt-coreos/coreos_*.img

import org.eclipse.aether.RepositorySystemSession;
import org.eclipse.aether.artifact.Artifact;
import org.eclipse.aether.resolution.ArtifactDescriptorResult;

/**
 * Detects Maven3 dependencies scope.
 *
 * @since 3.9.3
 */
@Singleton
@Named
class MavenScopeDependenciesValidator extends AbstractMavenPluginDependenciesValidator {

    @Inject

 * <li>Information needed to find the artifact file in a repository including extension and classifier</li>
 * <li>Information on how to use the artifact as a dependency: whether to add it to the classpath, whether to load its
 * dependencies transitively</li>
 * </ul>
 *
 */
public interface ArtifactHandler {
    @Deprecated
    String ROLE = ArtifactHandler.class.getName();

    /**
     * Returns the file name extension of the artifact;

    params=[
        pytest.param("tutorial006_py39"),
        pytest.param("tutorial006_an_py39"),
    ],
)
def get_client(request: pytest.FixtureRequest):
    mod = importlib.import_module(f"docs_src.dependencies.{request.param}")

    client = TestClient(mod.app)
    return client


def test_get_no_headers(client: TestClient):
    response = client.get("/items/")
    assert response.status_code == 422, response.text