│   ├── main.py
│   └── test_main.py
```

Let's say that now the file `main.py` with your **FastAPI** app has some other **path operations**.

It has a `GET` operation that could return an error.

It has a `POST` operation that could return several errors.

Both *path operations* require an `X-Token` header.

//// tab | Python 3.10+

```Python
{!> ../../docs_src/app_testing/app_b_an_py310/main.py!}

    <version>1</version>
  </parent>

  <groupId>org.apache.maven.validation</groupId>
  <artifactId>project</artifactId>
  <version>1.0.0-SNAPSHOT</version>

  <properties>
    <x>just/some/path</x>
  </properties>

  <repositories>
    <repository>
      <id>repo</id>
      <url>file://${x}/sdk/maven/repo</url>
    </repository>
  </repositories>

		})
	}
}

const (
	// For testing purposes, set kubeconfigFilename equivalent to the path in the test files and use __KUBECONFIG_FILENAME__
	// CreateCNIConfigFile joins the MountedCNINetDir and KubeconfigFilename if __KUBECONFIG_FILEPATH__ was used
	kubeconfigFilename   = "/path/to/kubeconfig"
	cniNetworkConfigFile = "testdata/istio-cni.conf.template"
	cniNetworkConfig     = `{
  "cniVersion": "0.3.1",

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN"
	"http://dbflute.org/meta/lastadi10.dtd">
<components>
	<include path="fess_config.xml"/>

	<component name="webApiManagerFactory" class="org.codelibs.fess.api.WebApiManagerFactory">
	</component>

	<component name="searchApiManager" class="org.codelibs.fess.api.json.SearchApiManager">
	</component>

        if (logFilePath == null) {
            final String value = System.getProperty("fess.log.path");
            logFilePath = value != null ? value : new File(targetDir, "logs").getAbsolutePath();
        }
        cmdList.add("-Dfess.log.path=" + logFilePath);
        addSystemProperty(cmdList, Constants.FESS_VAR_PATH, null, null);

        if (logFilePath == null) {
            final String value = System.getProperty("fess.log.path");
            logFilePath = value != null ? value : new File(targetDir, "logs").getAbsolutePath();
        }
        cmdList.add("-Dfess.log.path=" + logFilePath);
        addSystemProperty(cmdList, "fess.log.name", getLogName("fess"), getLogName(StringUtil.EMPTY));
        if (logLevel == null) {

    //                                                                          Definition
    //                                                                          ==========
    public static final String PATH = "crawler.dfmail";

    // ===================================================================================
    //                                                                         Entry Point

<div class="termy">

```console
$ <font color="#4E9A06">fastapi</font> dev <u style="text-decoration-style:single">main.py</u>
<font color="#3465A4">INFO    </font> Using path <font color="#3465A4">main.py</font>
<font color="#3465A4">INFO    </font> Resolved absolute path <font color="#75507B">/home/user/code/awesomeapp/</font><font color="#AD7FA8">main.py</font>

// See the License for the specific language governing permissions and
// limitations under the License.

package install

import (
	"context"
	"encoding/json"
	"fmt"
	"os"
	"path/filepath"
	"sort"
	"strings"

	"github.com/containernetworking/cni/libcni"

	"istio.io/istio/cni/pkg/config"
	"istio.io/istio/cni/pkg/plugin"
	"istio.io/istio/cni/pkg/util"
	"istio.io/istio/pkg/file"
)

    exit 1
  fi
  echo "Using cached image $IMG, created $(<<<"$latest" cut -d~ -f3)" >&2
fi

ENV_BLOCKLIST="${ENV_BLOCKLIST:-^_\|^PATH=\|^GOPATH=\|^GOROOT=\|^SHELL=\|^EDITOR=\|^TMUX=\|^USER=\|^HOME=\|^PWD=\|^TERM=\|^RUBY_\|^GEM_\|^rvm_\|^SSH=\|^TMPDIR=\|^CC=\|^CXX=\|^MAKEFILE_LIST=}"