```Python hl_lines="5" title="app/main.py"
{!../../docs_src/bigger_applications/app/main.py!}
```

### 包含 `users` 和 `items` 的 `APIRouter`

现在，让我们来包含来自 `users` 和 `items` 子模块的 `router`。

```Python hl_lines="10-11" title="app/main.py"
{!../../docs_src/bigger_applications/app/main.py!}
```

/// info

`users.router` 包含了 `app/routers/users.py` 文件中的 `APIRouter`。

pkg testing, func MainStart(testDeps, []InternalTest, []InternalBenchmark, []InternalExample) *M
pkg testing, func RegisterCover(Cover)
pkg text/scanner, const GoTokens = 1012
pkg text/template/parse, type DotNode bool
pkg text/template/parse, type Node interface { Copy, String, Type }
pkg unicode, const Version = "10.0.0"
pkg unicode, const Version = "11.0.0"

		expectedError       error
	}{
		{parts1, errs1, 12, 12, parts1SC, nil},
		{parts2, errs2, 14, 14, parts2SC, nil},
		{parts3, errs3, 12, 12, parts3SC, nil},
		{parts4, errs4, 10, 10, parts4SC, nil},
		{parts5, errs5, 14, 14, parts5SC, nil},
		{parts6, errs6, 12, 12, parts6SC, nil},
		{parts7, errs7, 11, 11, parts7SC, nil},
	}
	for _, tt := range tests {
		tt := tt

		// Asserting for Invalid UploadID (Test number 9).
		{bucketNames[0], objectNames[0], "abc", []CompletePart{}, "", InvalidUploadID{UploadID: "abc"}, false},
		// Test case with invalid Part Etag (Test number 10-11).
		{bucketNames[0], objectNames[0], uploadIDs[0], []CompletePart{{ETag: "abc"}}, "", InvalidPart{}, false},
		{bucketNames[0], objectNames[0], uploadIDs[0], []CompletePart{{ETag: "abcz"}}, "", InvalidPart{}, false},

		{"test-bucket-list-object", "Asia", "A", "", 1, resultCases[4], nil, true},
		// Setting a non-existing directory to be prefix (12-13).
		{"empty-bucket", "europe/france/", "", "", 1, ListObjectsInfo{}, nil, true},
		{"empty-bucket", "africa/tunisia/", "", "", 1, ListObjectsInfo{}, nil, true},

* Fix accepting valid types for response models, including Python types like `List[int]`. PR [#1017](https://github.com/tiangolo/fastapi/pull/1017) by [@patrickmckenna](https://github.com/patrickmckenna).
* Fix format in SQL tutorial. PR [#1015](https://github.com/tiangolo/fastapi/pull/1015) by [@vegarsti](https://github.com/vegarsti).

## 0.49.1

	}
}

func createTestInput(n int) []byte {
	input := make([]byte, n)
	for i := range input {
		// 101 and 251 are arbitrary prime numbers.
		// The idea is to create an input sequence
		// which doesn't repeat too frequently.
		input[i] = byte(i % 251)
		if i%101 == 0 {
			input[i] ^= byte(i / 101)
		}
	}
	return input
}

func TestReaderWriteTo(t *testing.T) {

- github.com/creack/pty: [v1.1.11 → v1.1.18](https://github.com/creack/pty/compare/v1.1.11...v1.1.18)
- github.com/docker/docker: [v20.10.18+incompatible → v20.10.21+incompatible](https://github.com/docker/docker/compare/v20.10.18...v20.10.21)
- github.com/go-errors/errors: [v1.0.1 → v1.4.2](https://github.com/go-errors/errors/compare/v1.0.1...v1.4.2)

sition:absolute;top:-9999px;width:50px;height:50px;overflow:scroll}@media (min-width:576px){.modal-dialog{max-width:500px;margin:1.75rem auto}.modal-dialog-scrollable{max-height:calc(100% - 3.5rem)}.modal-dialog-scrollable .modal-content{max-height:calc(100vh - 3.5rem)}.modal-dialog-centered{min-height:calc(100% - 3.5rem)}.modal-dialog-centered::before{height:calc(100vh - 3.5rem)}.modal-sm{max-width:300px}}@media (min-width:992px){.modal-lg,.modal-xl{max-width:800px}}@media (min-width:1200px){.m...

sition:absolute;top:-9999px;width:50px;height:50px;overflow:scroll}@media (min-width:576px){.modal-dialog{max-width:500px;margin:1.75rem auto}.modal-dialog-scrollable{max-height:calc(100% - 3.5rem)}.modal-dialog-scrollable .modal-content{max-height:calc(100vh - 3.5rem)}.modal-dialog-centered{min-height:calc(100% - 3.5rem)}.modal-dialog-centered::before{height:calc(100vh - 3.5rem);height:-webkit-min-content;height:-moz-min-content;height:min-content}.modal-sm{max-width:300px}}@media (min-width:99...