## Using `TestClient` { #using-testclient }

/// info

To use `TestClient`, first install <a href="https://www.python-httpx.org" class="external-link" target="_blank">`httpx`</a>.

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and then install it, for example:

```console
$ pip install httpx
```

///

Import `TestClient`.

            throws RepositoryMetadataDeploymentException;

    /**
     * Install the metadata in the local repository.
     *
     * @param metadata        the metadata
     * @param localRepository the local repository
     * @throws RepositoryMetadataInstallationException in case of metadata installation issue
     */
    void install(ArtifactMetadata metadata, ArtifactRepository localRepository)

# (2)
WORKDIR /tmp

# (3)
RUN pip install poetry

# (4)
COPY ./pyproject.toml ./poetry.lock* /tmp/

# (5)
RUN poetry export -f requirements.txt --output requirements.txt --without-hashes

# (6)
FROM python:3.9

# (7)
WORKDIR /code

# (8)
COPY --from=requirements-stage /tmp/requirements.txt /code/requirements.txt

# (9)
RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

     * @param deploymentRepository the repository to deploy to
     * @param localRepository the local repository to install into
     * @throws ArtifactDeploymentException if an error occurred deploying the artifact
     * @deprecated to be removed before 2.0 after the install/deploy plugins use the alternate
     *             method
     */
    @Deprecated
    void deploy(
            String basedir,

          distribution: 'temurin'

      - name: Install Graphviz (MacOS)
        if: runner.os == 'macOS'
        run: brew install graphviz

      - name: Install Graphviz (Ubuntu)
        if: runner.os == 'Linux'
        run: sudo apt-get install graphviz

      - name: Install Graphviz (Windows)
        if: runner.os == 'Windows'
        run: choco install graphviz

      - name: Checkout maven

### Install requirements using pip

After activating the environment, install the required packages:

<div class="termy">

```console
$ pip install -r requirements.txt

---> 100%
```

</div>

It will install all the dependencies and your local FastAPI in your local environment.

### Using your local FastAPI

/// info

To use forms, first install <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a>.

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and then install it, for example:

```console
$ pip install python-multipart
```

///

/// note

            String artifactBasedir = new File(getBasedir(), "src/test/resources/artifact-install").getAbsolutePath();

            Artifact artifact = createArtifact("artifact", "1.0");

            File source = new File(artifactBasedir, "artifact-1.0.jar");

            artifactInstaller.install(source, artifact, localRepository());

            assertLocalArtifactPresent(artifact);
        } finally {

/// info

To receive uploaded files, first install <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a>.

Make sure you create a [virtual environment](../virtual-environments.md){.internal-link target=_blank}, activate it, and then install it, for example:

```console
$ pip install python-multipart
```

This is because uploaded files are sent as "form data".

<div class="termy">

```console
$ pip install "fastapi[all]"

---> 100%
```

</div>

...👈 🔌 `uvicorn`, 👈 👆 💪 ⚙️ 💽 👈 🏃 👆 📟.

/// note

👆 💪 ❎ ⚫️ 🍕 🍕.

👉 ⚫️❔ 👆 🔜 🎲 🕐 👆 💚 🛠️ 👆 🈸 🏭:

```
pip install "fastapi[standard]"
```

❎ `uvicorn` 👷 💽:

```
pip install "uvicorn[standard]"
```

 &amp; 🎏 🔠 📦 🔗 👈 👆 💚 ⚙️.

///