github.com/cloudwego/hertz@v0.9.3/pkg/protocol/http1/ext/headerscanner_test.go (about)

     1  /*
     2   * Copyright 2022 CloudWeGo Authors
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   *
    16   * The MIT License (MIT)
    17   *
    18   * Copyright (c) 2015-present Aliaksandr Valialkin, VertaMedia, Kirill Danshin, Erik Dubbelboer, FastHTTP Authors
    19   *
    20   * Permission is hereby granted, free of charge, to any person obtaining a copy
    21   * of this software and associated documentation files (the "Software"), to deal
    22   * in the Software without restriction, including without limitation the rights
    23   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    24   * copies of the Software, and to permit persons to whom the Software is
    25   * furnished to do so, subject to the following conditions:
    26   *
    27   * The above copyright notice and this permission notice shall be included in
    28   * all copies or substantial portions of the Software.
    29   *
    30   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    31   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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    34   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    35   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    36   * THE SOFTWARE.
    37   *
    38   * This file may have been modified by CloudWeGo authors. All CloudWeGo
    39   * Modifications are Copyright 2022 CloudWeGo Authors.
    40   */
    41  
    42  package ext
    43  
    44  import (
    45  	"bufio"
    46  	"errors"
    47  	"net/http"
    48  	"strings"
    49  	"testing"
    50  
    51  	errs "github.com/cloudwego/hertz/pkg/common/errors"
    52  	"github.com/cloudwego/hertz/pkg/common/test/assert"
    53  )
    54  
    55  func TestHasHeaderValue(t *testing.T) {
    56  	s := []byte("Expect: 100-continue, User-Agent: foo, Host: 127.0.0.1, Connection: Keep-Alive, Content-Length: 5")
    57  	assert.True(t, HasHeaderValue(s, []byte("Connection: Keep-Alive")))
    58  	assert.False(t, HasHeaderValue(s, []byte("Connection: Keep-Alive1")))
    59  }
    60  
    61  func TestResponseHeaderMultiLineValue(t *testing.T) {
    62  	firstLine := "HTTP/1.1 200 OK\r\n"
    63  	rawHeaders := "EmptyValue1:\r\n" +
    64  		"Content-Type: foo/bar;\r\n\tnewline;\r\n another/newline\r\n" +
    65  		"Foo: Bar\r\n" +
    66  		"Multi-Line: one;\r\n two\r\n" +
    67  		"Values: v1;\r\n v2; v3;\r\n v4;\tv5\r\n" +
    68  		"\r\n"
    69  
    70  	// compared with http response
    71  	response, err := http.ReadResponse(bufio.NewReader(strings.NewReader(firstLine+rawHeaders)), nil)
    72  	assert.Nil(t, err)
    73  	defer func() { response.Body.Close() }()
    74  
    75  	hs := &HeaderScanner{}
    76  	hs.B = []byte(rawHeaders)
    77  	hs.DisableNormalizing = false
    78  	hmap := make(map[string]string, len(response.Header))
    79  	for hs.Next() {
    80  		if len(hs.Key) > 0 {
    81  			hmap[string(hs.Key)] = string(hs.Value)
    82  		}
    83  	}
    84  
    85  	for name, vals := range response.Header {
    86  		got := hmap[name]
    87  		want := vals[0]
    88  		assert.DeepEqual(t, want, got)
    89  	}
    90  }
    91  
    92  func TestHeaderScannerError(t *testing.T) {
    93  	t.Run("TestHeaderScannerErrorInvalidName", func(t *testing.T) {
    94  		rawHeaders := "Host: go.dev\r\nGopher-New-\r\n Line: This is a header on multiple lines\r\n\r\n"
    95  		testTestHeaderScannerError(t, rawHeaders, errInvalidName)
    96  	})
    97  	t.Run("TestHeaderScannerErrorNeedMore", func(t *testing.T) {
    98  		rawHeaders := "This is a header on multiple lines"
    99  		testTestHeaderScannerError(t, rawHeaders, errs.ErrNeedMore)
   100  
   101  		rawHeaders = "Gopher-New-\r\n Line"
   102  		testTestHeaderScannerError(t, rawHeaders, errs.ErrNeedMore)
   103  	})
   104  }
   105  
   106  func testTestHeaderScannerError(t *testing.T, rawHeaders string, expectError error) {
   107  	hs := &HeaderScanner{}
   108  	hs.B = []byte(rawHeaders)
   109  	hs.DisableNormalizing = false
   110  	for hs.Next() {
   111  	}
   112  	assert.NotNil(t, hs.Err)
   113  	assert.True(t, errors.Is(hs.Err, expectError))
   114  }