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Copy pathgohttp_test.go
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384 lines (335 loc) · 8.59 KB
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package gohttp
import (
"bufio"
"bytes"
"net/http"
"net/url"
"strings"
"testing"
)
func TestParseRequest(t *testing.T) {
type message struct {
method string
url string
protocol string
body string
}
testCases := map[string]struct {
source string
expected message
}{
"GET request": {
source: `
GET / HTTP/1.1
Host: www.example.com
`,
expected: message{
method: "GET",
url: "/",
protocol: "HTTP/1.1",
},
},
}
for name, tc := range testCases {
reader := bufio.NewReader(strings.NewReader(tc.source))
actual, err := ParseRequest(reader, WithLFLineEndings(true))
if err != nil {
t.Fatalf("'%s': unexpected error: %s", name, err.Error())
}
if actual.URL.String() != tc.expected.url {
t.Errorf("'%s': expected method %s, got %s", name, tc.expected.url, actual.URL.String())
}
if actual.Method != tc.expected.method {
t.Errorf("'%s': expected target URL %s, got %s", name, tc.expected.method, actual.Method)
}
if actual.Proto != tc.expected.protocol {
t.Errorf("'%s': expected protocol %s, got %s", name, tc.expected.protocol, actual.Proto)
}
}
}
func TestSerializeRequest(t *testing.T) {
parsedUrl, _ := url.Parse("/")
testCases := map[string]struct {
request *http.Request
expected string
}{
"GET request": {
request: &http.Request{
Method: "GET",
URL: parsedUrl,
Proto: "HTTP/1.1",
ProtoMajor: 0,
ProtoMinor: 0,
Header: map[string][]string{
"Host": {"example.com"},
"Transfer-Encoding": {"gzip", "chunked"},
},
Body: http.NoBody,
},
expected: "GET / HTTP/1.1\r\n" +
"Host: example.com\r\n" +
"Transfer-Encoding: gzip, chunked\r\n" +
"\r\n",
},
}
for name, tc := range testCases {
actual, err := SerializeRequest(tc.request)
if err != nil {
t.Fatalf("'%s': unexpected error: %s", name, err.Error())
}
if string(actual) != tc.expected {
t.Errorf("'%s': expected request %s, got %s", name, tc.expected, string(actual))
}
}
}
func TestParseResponse(t *testing.T) {
type message struct {
protocol string
statusCode int
reasonPhrase string
body string
}
testCases := map[string]struct {
source string
expected message
}{
"response from GET": {
source: "HTTP/1.1 200 OK\r\n" +
"Content-Length: 19\r\n" +
"\r\n" +
"This is a response!",
expected: message{
protocol: "HTTP/1.1",
statusCode: 200,
reasonPhrase: "200 OK",
body: "This is a response!",
},
},
}
for name, tc := range testCases {
reader := bufio.NewReader(strings.NewReader(tc.source))
actual, err := ParseResponse(reader)
if err != nil {
t.Fatalf("'%s': unexpected error: %s", name, err.Error())
}
if actual.StatusCode != tc.expected.statusCode {
t.Errorf("'%s': expected status code %d, got %d", name, tc.expected.statusCode, actual.StatusCode)
}
if actual.Status != tc.expected.reasonPhrase {
t.Errorf("'%s': expected reason phrase %s, got %s", name, tc.expected.reasonPhrase, actual.Status)
}
if actual.Proto != tc.expected.protocol {
t.Errorf("'%s': expected protocol %s, got %s", name, tc.expected.protocol, actual.Proto)
}
}
}
func TestSerializeResponse(t *testing.T) {}
func TestParseRequestLine(t *testing.T) {
type requestLine struct {
method string
parsedURL string
protocol string
}
testCases := map[string]struct {
line string
expected requestLine
}{
"GET request": {
line: "GET example.com HTTP/1.1",
expected: requestLine{
method: "GET",
parsedURL: "example.com",
protocol: "HTTP/1.1",
},
},
}
for name, tc := range testCases {
actualMethod, actualURL, actualProtocol, err := parseRequestLine(tc.line)
if err != nil {
t.Fatalf("'%s': unexpected error: %s", name, err.Error())
}
if actualMethod != tc.expected.method {
t.Errorf("'%s': expected method %s, got %s", name, tc.expected.method, actualMethod)
}
if actualURL.String() != tc.expected.parsedURL {
t.Errorf("'%s': expected URL %s, got %s", name, tc.expected.method, actualMethod)
}
if actualProtocol != tc.expected.protocol {
t.Errorf("'%s': expected protocol %s, got %s", name, tc.expected.method, actualMethod)
}
}
}
func TestParseStatusLine(t *testing.T) {
type statusLine struct {
protocol string
statusCode int
reasonPhrase string
}
testCases := map[string]struct {
line string
expected statusLine
}{
"GET request": {
line: "HTTP/1.1 200 OK",
expected: statusLine{
protocol: "HTTP/1.1",
statusCode: 200,
reasonPhrase: "OK",
},
},
}
for name, tc := range testCases {
actualProtocol, actualStatusCode, actualReasonPhrase, err := parseStatusLine(tc.line)
if err != nil {
t.Fatalf("'%s': unexpected error: %s", name, err.Error())
}
if actualProtocol != tc.expected.protocol {
t.Errorf("'%s': expected protocol %s, got %s", name, tc.expected.protocol, actualProtocol)
}
if actualStatusCode != tc.expected.statusCode {
t.Errorf("'%s': expected status code %d, got %d", name, tc.expected.statusCode, actualStatusCode)
}
if actualReasonPhrase != tc.expected.reasonPhrase {
t.Errorf("'%s': expected reason phrase %s, got %s", name, tc.expected.reasonPhrase, actualReasonPhrase)
}
}
}
func TestParseHeaderField(t *testing.T) {
type headerField struct {
name string
value string
}
testCases := map[string]struct {
line string
expected headerField
}{
"Content-Length header": {
line: "Content-Length: 1024",
expected: headerField{
name: "Content-Length",
value: "1024",
},
},
}
for name, tc := range testCases {
actualName, actualValue, err := parseHeaderField(tc.line)
if err != nil {
t.Fatalf("'%s': unexpected error: %s", name, err.Error())
}
if actualName != tc.expected.name {
t.Errorf("'%s': expected name %s, got %s", name, tc.expected.name, actualName)
}
if actualValue != tc.expected.value {
t.Errorf("'%s': expected value %s, got %s", name, tc.expected.value, actualValue)
}
}
}
func TestWriteHeaderFields(t *testing.T) {
testCases := map[string]struct {
headers http.Header
expected string
}{
"standard header fields": {
headers: map[string][]string{
"Content-Type": {"text/html"},
"Content-Length": {"1024"},
"Keep-Alive": {"timeout=5", "max=1000"},
},
expected: "Content-Type: text/html\r\n" +
"Content-Length: 1024\r\n" +
"Keep-Alive: timeout=5, max=1000\r\n" +
"\r\n",
},
}
for name, tc := range testCases {
var buf bytes.Buffer
if err := writeHeaderFields(tc.headers, &buf); err != nil {
t.Fatalf("'%s': unexpected error: %s", name, err.Error())
}
if buf.String() != tc.expected {
t.Errorf("'%s': expected headers %s, got %s", name, tc.expected, buf.String())
}
}
}
func TestDetermineBodyLength(t *testing.T) {
testCases := map[string]struct {
transferEncoding string
contentLength string
body string
expected int
}{
"transfer encoding": {
transferEncoding: "gzip, chunked",
body: "400\r\n",
expected: 1024,
},
"content length": {
contentLength: "2048",
expected: 2048,
},
"transfer encoding and content length": {
transferEncoding: "gzip, chunked",
contentLength: "2048",
body: "400\r\n",
expected: 1024,
},
"none": {
expected: -1,
},
}
for name, tc := range testCases {
headers := make(http.Header)
if tc.transferEncoding != "" {
headers.Add("Transfer-Encoding", tc.transferEncoding)
}
if tc.contentLength != "" {
headers.Add("Content-Length", tc.contentLength)
}
reader := bufio.NewReader(strings.NewReader(tc.body))
actual, err := determineBodyLength(headers, reader)
if err != nil {
t.Fatalf("'%s': unexpected error: %s", name, err.Error())
}
if actual != tc.expected {
t.Errorf("'%s': expected body length %d, got %d", name, tc.expected, actual)
}
}
}
func TestIsNewLine(t *testing.T) {
testCases := map[string]struct {
line string
config config
expected bool
}{
"CRLF, LF not allowed": {
line: "\r\n",
config: config{},
expected: true,
},
"CRLF, LF allowed": {
line: "\r\n",
config: config{
allowLFLineEndings: true,
},
expected: true,
},
"LF, LF not allowed": {
line: "\n",
config: config{},
expected: false,
},
"LF, LF allowed": {
line: "\n",
config: config{
allowLFLineEndings: true,
},
expected: true,
},
}
for name, tc := range testCases {
actual := isNewLine(tc.line, tc.config)
if actual != tc.expected {
t.Errorf("'%s': expected result %v, got %v", name, tc.expected, actual)
}
}
}