```Python hl_lines="3"
{!../../docs_src/app_testing/test_main.py!}
```

...and have the code for the tests just like before.

## Testing: extended example

Now let's extend this example and add more details to see how to test different parts.

### Extended **FastAPI** app file

Let's continue with the same file structure as before:

```
.
├── app
│   ├── __init__.py
│   ├── main.py

    private final Settings settings;

    private final boolean expand;

    private long reloadInterval = 0;

    private final Environment env;

    private volatile long lastModified;

    private volatile long lastChecked;

    private volatile SynonymMap synonymMap;

    public SynonymLoader(final Environment env, final Settings settings, final boolean expand, final Analyzer analyzer) {
        this.env = env;

        delimiters = settings.get("delimiters", NGramSynonymTokenizer.DEFAULT_DELIMITERS);
        expand = settings.getAsBoolean("expand", true);

        settings.getAsBoolean("expand_ngram", false); // TODO remove

        synonymLoader = new SynonymLoader(env, settings, expand, SynonymLoader.getAnalyzer(ignoreCase));
        if (synonymLoader.getSynonymMap() == null) {

- New feature gate `ExpandedDNSConfig` is now available. This feature allows Kubernetes to have expanded DNS configuration. ([#100651](https://github.com/kubernetes/kubernetes/pull/100651), [@gjkim42](https://github.com/gjkim42))

```
ftp> ls runner/chunkdocs/metadata
229 Entering Extended Passive Mode (|||44269|)
150 Opening ASCII mode data connection for file list
-rwxrwxrwx 1 nobody nobody           45 Apr  1 06:13 chunkdocs/metadata
226 Closing data connection, sent 75 bytes
ftp> get
(remote-file) runner/chunkdocs/metadata
(local-file) test
local: test remote: runner/chunkdocs/metadata
229 Entering Extended Passive Mode (|||37785|)

.navbar-expand-lg > .container-lg, .navbar-expand-lg > .container-xl {\n    flex-wrap: nowrap;\n  }\n  .navbar-expand-lg .navbar-collapse {\n    display: flex !important;\n    flex-basis: auto;\n  }\n  .navbar-expand-lg .navbar-toggler {\n    display: none;\n  }\n}\n\n@media (max-width: 1199.98px) {\n  .navbar-expand-xl > .container,\n  .navbar-expand-xl > .container-fluid, .navbar-expand-xl > .container-sm, .navbar-expand-xl > .container-md, .navbar-expand-xl > .container-lg, .navbar-expand-xl > .container-xl...

	}
	return lockedOpenFile(path, flag, perm, lockType)
}

// fixLongPath returns the extended-length (\\?\-prefixed) form of
// path when needed, in order to avoid the default 260 character file
// path limit imposed by Windows. If path is not easily converted to
// the extended-length form (for example, if path is a relative path
// or contains .. elements), or is short enough, fixLongPath returns

        Build build = model.getBuild();

        if (build != null) {
            expand(build.getPlugins());

            PluginManagement pluginManagement = build.getPluginManagement();

            if (pluginManagement != null) {
                expand(pluginManagement.getPlugins());
            }
        }
    }

    private void expand(List<Plugin> plugins) {
        for (Plugin plugin : plugins) {

    protected NGramSynonymTokenizer(final int n, final String delimiters, final boolean expand, final boolean ignoreCase,
            final SynonymLoader synonymLoader) {
        this.n = n;
        this.delimiters = delimiters;
        this.expand = expand;
        this.ignoreCase = ignoreCase;
        if (synonymLoader != null) {
            if (synonymLoader.isReloadable()) {

ze:auto;flex-basis:auto}.navbar-expand-xl .navbar-toggler{display:none}}.navbar-expand{-ms-flex-flow:row nowrap;flex-flow:row nowrap;-ms-flex-pack:start;justify-content:flex-start}.navbar-expand>.container,.navbar-expand>.container-fluid,.navbar-expand>.container-lg,.navbar-expand>.container-md,.navbar-expand>.container-sm,.navbar-expand>.container-xl{padding-right:0;padding-left:0}.navbar-expand .navbar-nav{-ms-flex-direction:row;flex-direction:row}.navbar-expand .navbar-nav .dropdown-menu{posi...