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http_test.go
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http_test.go
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// Copyright 2017 Fortio Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fhttp
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net"
"net/http"
"net/http/httptest"
"net/url"
"os"
"strings"
"testing"
"time"
"unicode/utf8"
"fortio.org/fortio/fnet"
"fortio.org/fortio/jrpc"
"fortio.org/log"
"github.com/google/uuid"
)
var uuids map[string]bool
func init() {
uuids = map[string]bool{}
}
func TestGetHeaders(t *testing.T) {
o := &HTTPOptions{}
o.AddAndValidateExtraHeader("FOo:baR")
oo := *o // check that copying works
h := oo.AllHeaders()
if len(h) != 2 { // 1 above + user-agent
t.Errorf("Header count mismatch, got %d instead of 3", len(h))
}
if h.Get("Foo") != "baR" {
t.Errorf("Foo header mismatch, got '%v'", h.Get("Foo"))
}
if h.Get("Host") != "" {
t.Errorf("Host header should be nil initially, got '%v'", h.Get("Host"))
}
o.AddAndValidateExtraHeader("hoSt: aBc:123")
h = o.AllHeaders()
if h.Get("Host") != "aBc:123" {
t.Errorf("Host header mismatch, got '%v'", h.Get("Host"))
}
if len(h) != 3 { // 2 above + user-agent
t.Errorf("Header count mismatch, got %d instead of 3", len(h))
}
err := o.AddAndValidateExtraHeader("foo") // missing : value
if err == nil {
t.Errorf("Expected error for header without value, did not get one")
}
o.InitHeaders()
h = o.AllHeaders()
if h.Get("Host") != "" {
t.Errorf("After reset Host header should be nil, got '%v'", h.Get("Host"))
}
if len(h) != 1 {
t.Errorf("Header count mismatch after reset, got %d instead of 1. %+v", len(h), h)
}
// test user-agent delete:
o.AddAndValidateExtraHeader("UsER-AgENT:")
h = o.AllHeaders()
if len(h) != 0 {
t.Errorf("Header count mismatch after delete, got %d instead of 0. %+v", len(h), h)
}
if h.Get("User-Agent") != "" {
t.Errorf("User-Agent header should be empty after delete, got '%v'", h.Get("User-Agent"))
}
}
func TestNewHTTPRequest(t *testing.T) {
tests := []struct {
url string // input
ok bool // ok/error
}{
{"http://www.google.com/", true},
{"ht tp://www.google.com/", false},
}
for _, tst := range tests {
o := NewHTTPOptions(tst.url)
o.AddAndValidateExtraHeader("Host: www.google.com")
r, _ := newHTTPRequest(o)
if tst.ok != (r != nil) {
t.Errorf("Got %v, expecting ok %v for url '%s'", r, tst.ok, tst.url)
}
}
}
func TestPayloadUTF8(t *testing.T) {
opts := HTTPOptions{}
opts.Payload = fnet.GenerateRandomPayload(1024)
res := opts.PayloadUTF8()
if l := len(res); l != 1024 {
t.Errorf("Unexpected length %d", l)
}
if !utf8.ValidString(res) {
t.Errorf("PayloadUTF8() not returning valid utf-8 string")
}
}
func TestMultiInitAndEscape(t *testing.T) {
// 2 escaped already
o := NewHTTPOptions("localhost%3A8080/?delay=10ms:10,0.5s:15%25,0.25s:5")
// shouldn't perform any escapes
expected := "http://localhost%3A8080/?delay=10ms:10,0.5s:15%25,0.25s:5"
if o.URL != expected {
t.Errorf("Got initially '%s', expected '%s'", o.URL, expected)
}
o.AddAndValidateExtraHeader("FoO:BaR")
// re init should not erase headers
o.Init(o.URL)
if o.AllHeaders().Get("Foo") != "BaR" {
t.Errorf("Lost header after Init %+v", o.AllHeaders())
}
}
func TestSchemeCheck(t *testing.T) {
tests := []struct {
input string
output string
}{
{"https://www.google.com/", "https://www.google.com/"},
{"www.google.com", "http://www.google.com"},
{"hTTps://foo.bar:123/ab/cd", "hTTps://foo.bar:123/ab/cd"}, // not double http:
{"HTTP://foo.bar:124/ab/cd", "HTTP://foo.bar:124/ab/cd"}, // not double http:
{"", ""}, // and error in the logs
{"x", "http://x"}, // should not crash because url is shorter than prefix
{"http:/", "http://http:/"}, // boundary
{fnet.PrefixHTTP, fnet.PrefixHTTP}, // boundary
{fnet.PrefixHTTPS, fnet.PrefixHTTPS}, // boundary
{"https:/", "http://https:/"}, // boundary
}
for _, tst := range tests {
o := NewHTTPOptions(tst.input)
if o.URL != tst.output {
t.Errorf("Got %v, expecting %v for url '%s'", o.URL, tst.output, tst.input)
}
}
}
func TestFoldFind1(t *testing.T) {
tests := []struct {
haystack string // input
needle string // input
found bool // expected result
offset int // where
}{
{"", "", true, 0},
{"", "A", false, -1},
{"abc", "", true, 0},
{"abc", "ABCD", false, -1},
{"abc", "ABC", true, 0},
{"aBcd", "ABC", true, 0},
{"xaBc", "ABC", true, 1},
{"XYZaBcUVW", "Abc", true, 3},
{"xaBcd", "ABC", true, 1},
{"Xa", "A", true, 1},
{"axabaBcd", "ABC", true, 4},
{"axabxaBcd", "ABC", true, 5},
{"axabxaBd", "ABC", false, -1},
{"AAAAB", "AAAB", true, 1},
{"xAAAxAAA", "AAAB", false, -1},
{"xxxxAc", "AB", false, -1},
{"X-: X", "-: ", true, 1},
{"\nX", "*X", false, -1}, // \n shouldn't fold into *
{"*X", "\nX", false, -1}, // \n shouldn't fold into *
{"\rX", "-X", false, -1}, // \r shouldn't fold into -
{"-X", "\rX", false, -1}, // \r shouldn't fold into -
{"foo\r\nContent-Length: 34\r\n", "CONTENT-LENGTH:", true, 5},
}
for _, tst := range tests {
f, o := FoldFind([]byte(tst.haystack), []byte(tst.needle))
if tst.found != f {
t.Errorf("Got %v, expecting found %v for FoldFind('%s', '%s')", f, tst.found, tst.haystack, tst.needle)
}
if tst.offset != o {
t.Errorf("Offset %d, expecting %d for FoldFind('%s', '%s')", o, tst.offset, tst.haystack, tst.needle)
}
}
}
func TestFoldFind2(t *testing.T) {
var haystack [1]byte
var needle [1]byte
// we don't mind for these to map to eachother in exchange for 30% perf gain
okExceptions := "@[\\]^_`{|}~"
for i := 0; i < 127; i++ { // skipping 127 too, matches _
haystack[0] = byte(i)
for j := 0; j < 128; j++ {
needle[0] = byte(j)
sh := string(haystack[:])
sn := string(needle[:])
f, o := FoldFind(haystack[:], needle[:])
shouldFind := strings.EqualFold(sh, sn)
if i == j || shouldFind {
if !f || o != 0 {
t.Errorf("Not found when should: %d 0x%x '%s' matching %d 0x%x '%s'",
i, i, sh, j, j, sn)
}
continue
}
if f || o != -1 {
if strings.Contains(okExceptions, sh) {
continue
}
t.Errorf("Found when shouldn't: %d 0x%x '%s' matching %d 0x%x '%s'",
i, i, sh, j, j, sn)
}
}
}
}
var utf8Str = "世界aBcdefGHiJklmnopqrstuvwxyZ"
func TestASCIIToUpper(t *testing.T) {
log.SetLogLevel(log.Debug)
tests := []struct {
input string // input
expected string // output
}{
{"", ""},
{"A", "A"},
{"aBC", "ABC"},
{"AbC", "ABC"},
{utf8Str, "\026LABCDEFGHIJKLMNOPQRSTUVWXYZ" /* got mangled but only first 2 */},
}
for _, tst := range tests {
actual := ASCIIToUpper(tst.input)
if tst.expected != string(actual) {
t.Errorf("Got '%+v', expecting '%+v' for ASCIIFold('%s')", actual, tst.expected, tst.input)
}
}
utf8bytes := []byte(utf8Str)
if len(utf8bytes) != 26+6 {
t.Errorf("Got %d utf8 bytes, expecting 6+26 for '%s'", len(utf8bytes), utf8Str)
}
folded := ASCIIToUpper(utf8Str)
if len(folded) != 26+2 {
t.Errorf("Got %d folded bytes, expecting 2+26 for '%s'", len(folded), utf8Str)
}
}
func TestParseDecimal(t *testing.T) {
tests := []struct {
input string // input
expected int64 // output
}{
{"", -1},
{"3", 3},
{" 456cxzc", 456},
{"-45", -1}, // - is not expected, positive numbers only
{"3.2", 3}, // stops at first non digit
{" 1 2", 1},
{"0", 0},
}
for _, tst := range tests {
actual := ParseDecimal([]byte(tst.input))
if tst.expected != actual {
t.Errorf("Got %d, expecting %d for ParseDecimal('%s')", actual, tst.expected, tst.input)
}
}
}
func TestParseChunkSize(t *testing.T) {
tests := []struct {
input string // input
expOffset int64 // expected offset
expValue int64 // expected value
}{
// Errors :
{"", 0, -1},
{"0", 1, -1},
{"0\r", 2, -1},
{"0\n", 2, -1},
{"g\r\n", 0, -1},
{"0\r0\n", 4, -1},
// Ok: (size of input is the expected offset)
{"0\r\n", 3, 0},
{"0x\r\n", 4, 0},
{"f\r\n", 3, 15},
{"10\r\n", 4, 16},
{"fF\r\n", 4, 255},
{"abcdef\r\n", 8, 0xabcdef},
{"100; foo bar\r\nanother line\r\n", 14 /* and not the whole thing */, 256},
}
for _, tst := range tests {
actOffset, actVal := ParseChunkSize([]byte(tst.input))
if tst.expValue != actVal {
t.Errorf("Got %d, expecting %d for value of ParseChunkSize('%+s')", actVal, tst.expValue, tst.input)
}
if tst.expOffset != actOffset {
t.Errorf("Got %d, expecting %d for offset of ParseChunkSize('%+s')", actOffset, tst.expOffset, tst.input)
}
}
}
func TestDebugSummary(t *testing.T) {
tests := []struct {
input string
expected string
}{
{"12345678", "12345678"},
{"123456789", "123456789"},
{"1234567890", "1234567890"},
{"12345678901", "12345678901"},
{"123456789012", "12: 1234...9012"},
{"1234567890123", "13: 1234...0123"},
{"12345678901234", "14: 1234...1234"},
{"A\r\000\001\x80\nB", `A\r\x00\x01\x80\nB`}, // escaping
{"A\r\000Xyyyyyyyyy\001\x80\nB", `17: A\r\x00X...\x01\x80\nB`}, // escaping
}
for _, tst := range tests {
if actual := DebugSummary([]byte(tst.input), 8); actual != tst.expected {
t.Errorf("Got '%s', expected '%s' for DebugSummary(%q)", actual, tst.expected, tst.input)
}
}
}
func TestParseStatus(t *testing.T) {
tests := []struct {
input string
expected int
}{
// Error cases
{"x", 400},
{"1::", 400},
{"x:10", 400},
{"555:-1", 400},
{"555:101", 400},
{"551:45,551:56", 400},
// Good cases
{"555", 555},
{"555:100", 555},
{"555:100%", 555},
{"555:0", 200},
{"555:0%", 200},
{"551:45,551:55", 551},
{"551:45%,551:55%", 551},
}
for _, tst := range tests {
if actual := generateStatus(tst.input); actual != tst.expected {
t.Errorf("Got %d, expected %d for generateStatus(%q)", actual, tst.expected, tst.input)
}
}
}
func TestParseDelay(t *testing.T) {
tests := []struct {
input string
expected time.Duration
}{
// Error cases
{"", -1},
{"x", -1},
{"1::", -1},
{"x:10", -1},
{"10ms:-1", -1},
{"20ms:101", -1},
{"20ms:101%", -1},
{"10ms:45,100ms:56", -1},
// Max delay case: (for 1.5s default)
{"10s:45,10s:55", MaxDelay.Get()},
// Good cases
{"100ms", 100 * time.Millisecond},
{"100ms:100", 100 * time.Millisecond},
{"100ms:100%", 100 * time.Millisecond},
{"100ms:0", 0},
{"100ms:0%", 0},
{"10ms:45,10ms:55", 10 * time.Millisecond},
{"10ms:45%,10ms:55%", 10 * time.Millisecond},
}
for _, tst := range tests {
if actual := generateDelay(tst.input); actual != tst.expected {
t.Errorf("Got %d, expected %d for generateStatus(%q)", actual, tst.expected, tst.input)
}
}
}
func TestGenerateStatusBasic(t *testing.T) {
tests := []struct {
input string
expected int
}{
// Error cases
{"x", 400},
{"1::", 400},
{"x:10", 400},
{"555:x", 400},
{"555:-1", 400},
{"555:101", 400},
{"551:45,551:56", 400},
// Good cases
{"555", 555},
{"555:100", 555},
{"555:0", 200},
{"551:45,551:55", 551},
}
for _, tst := range tests {
if actual := generateStatus(tst.input); actual != tst.expected {
t.Errorf("Got %d, expected %d for generateStatus(%q)", actual, tst.expected, tst.input)
}
}
}
func TestGenerateStatusEdgeSum(t *testing.T) {
st := "503:99.0,503:1.00001"
// Gets 400 without rounding as it exceeds 100, another corner case is if you
// add 0.1 1000 times you get 0.99999... so you may get stray 200s without Rounding
if actual := generateStatus(st); actual != 503 {
t.Errorf("Got %d for generateStatus(%q)", actual, st)
}
st += ",500:0.0001"
if actual := generateStatus(st); actual != 400 {
t.Errorf("Got %d for long generateStatus(%q) when expecting 400 for > 100", actual, st)
}
}
// Round down to the nearest thousand.
func roundthousand(x int) int {
return int(float64(x)+500.) / 1000
}
func TestGenerateStatusDistribution(t *testing.T) {
log.SetLogLevel(log.Info)
str := "501:20,502:30,503:0.5"
m := make(map[int]int)
for i := 0; i < 10000; i++ {
m[generateStatus(str)]++
}
if len(m) != 4 {
t.Errorf("Unexpected result, expecting 4 statuses, got %+v", m)
}
if m[200]+m[501]+m[502]+m[503] != 10000 {
t.Errorf("Unexpected result, expecting 4 statuses summing to 10000 got %+v", m)
}
if m[503] <= 10 {
t.Errorf("Unexpected result, expecting at least 10 count for 0.5%% probability over 10000 got %+v", m)
}
// Round the data
f01 := roundthousand(m[501]) // 20% -> 2
f02 := roundthousand(m[502]) // 30% -> 3
fok := roundthousand(m[200]) // rest is 50% -> 5
f03 := roundthousand(m[503]) // 0.5% -> rounds down to 0 10s of %
if f01 != 2 || f02 != 3 || fok != 5 || (f03 != 0) {
t.Errorf("Unexpected distribution for %+v - wanted 2 3 5, got %d %d %d", m, f01, f02, fok)
}
}
func TestRoundDuration(t *testing.T) {
tests := []struct {
input time.Duration
expected time.Duration
}{
{0, 0},
{1200 * time.Millisecond, 1200 * time.Millisecond},
{1201 * time.Millisecond, 1200 * time.Millisecond},
{1249 * time.Millisecond, 1200 * time.Millisecond},
{1250 * time.Millisecond, 1300 * time.Millisecond},
{1299 * time.Millisecond, 1300 * time.Millisecond},
}
for _, tst := range tests {
if actual := RoundDuration(tst.input); actual != tst.expected {
t.Errorf("Got %v, expected %v for RoundDuration(%v)", actual, tst.expected, tst.input)
}
}
}
func TestGenerateSize(t *testing.T) {
tests := []struct {
input string
expected int
}{
// Error cases
{"x", -1},
{"1::", -1},
{"x:10", -1},
{"555:x", -1},
{"555:-1", -1},
{"555:101", -1},
{"551:45,551:56", -1},
// Good cases
{"", -1},
{"512", 512},
{"512:100", 512},
{"512:0", -1},
{"512:45,512:55", 512},
{"0", 0}, // and not -1
{"262144", 262144},
{"262145", fnet.MaxPayloadSize}, // MaxSize test
{"1000000:10,2000000:90", 262144},
}
for _, tst := range tests {
if actual := generateSize(tst.input); actual != tst.expected {
t.Errorf("Got %d, expected %d for generateSize(%q)", actual, tst.expected, tst.input)
}
}
}
func TestGenerateClose(t *testing.T) {
tests := []struct {
input string
expected bool
}{
// not numbers
{"true", true},
{"false", false},
{"x", true},
// Numbers
{"0", false},
{"0.0", false},
{"99.9999999", true}, // well, in theory this should fail once in a blue moon
{"100", true},
}
for _, tst := range tests {
if actual := generateClose(tst.input); actual != tst.expected {
t.Errorf("Got %v, expected %v for generateClose(%q)", actual, tst.expected, tst.input)
}
}
}
func TestGenerateGzip(t *testing.T) {
tests := []struct {
input string
expected bool
}{
// not numbers
{"true", true},
{"false", false},
{"x", true},
// Numbers
{"0", false},
{"0.0", false},
{"99.9999999", true}, // well, in theory this should fail once in a blue moon
{"100", true},
}
for _, tst := range tests {
if actual := generateGzip(tst.input); actual != tst.expected {
t.Errorf("Got %v, expected %v for generateGzip(%q)", actual, tst.expected, tst.input)
}
}
}
func TestPayloadWithEchoBack(t *testing.T) {
tests := []struct {
payload []byte
disableFastClient bool
}{
{[]byte{44, 45, 0o0, 46, 47}, false},
{[]byte{44, 45, 0o0, 46, 47}, true},
{[]byte("groß"), false},
{[]byte("groß"), true},
}
m, a := DynamicHTTPServer(false)
m.HandleFunc("/", EchoHandler)
url := fmt.Sprintf("http://localhost:%d/", a.Port)
ctx := context.Background()
for _, test := range tests {
opts := NewHTTPOptions(url)
opts.DisableFastClient = test.disableFastClient
opts.Payload = test.payload
cli, _ := NewClient(opts)
code, body, header := cli.Fetch(ctx)
if code != 200 {
t.Errorf("Unexpected error %d", code)
}
if !bytes.Equal(body[header:], test.payload) {
t.Errorf("Got %s, expected %q from echo", DebugSummary(body, 512), test.payload)
}
if !test.disableFastClient {
cli.Close()
}
}
}
// Exercise the code for https://github.com/fortio/fortio/pull/914
func TestReadtimeout(t *testing.T) {
// in theory we'd also redirect the log output to check we do see "Timeout error (incomplete/invalid response)"
// but the logger has its own tests and the switch from not covered to covered shows it's working/exercised by this test.
m, a := DynamicHTTPServer(false)
m.HandleFunc("/", EchoHandler)
url := fmt.Sprintf("http://localhost:%d/?delay=1s", a.Port)
opts := NewHTTPOptions(url)
opts.HTTPReqTimeOut = 100 * time.Millisecond
cli, _ := NewClient(opts)
code, _, _ := cli.Fetch(context.Background())
if code != -1 {
t.Errorf("Unexpected code %d", code)
}
}
// Test Post request with std client and the socket close after answering.
func TestPayloadWithStdClientAndClosedSocket(t *testing.T) {
m, a := DynamicHTTPServer(false)
m.HandleFunc("/", EchoHandler)
url := fmt.Sprintf("http://localhost:%d/?close=true", a.Port)
payload := []byte("{\"test\" : \"test\"}")
opts := NewHTTPOptions(url)
opts.DisableFastClient = true
opts.Payload = payload
cli, _ := NewClient(opts)
ctx := context.Background()
for i := 0; i < 3; i++ {
code, body, header := cli.Fetch(ctx)
if code != 200 {
t.Errorf("Unexpected http status code, expected 200, got %d", code)
}
if !bytes.Equal(body[header:], payload) {
t.Errorf("Got %s, expected %q from echo", DebugSummary(body, 512), payload)
}
}
}
// Many of the earlier http tests are through httprunner but new tests should go here
func TestUnixDomainHttp(t *testing.T) {
uds := fnet.GetUniqueUnixDomainPath("fortio-http-test-uds")
_, addr := Serve(uds, "/debug1")
if addr == nil {
t.Fatalf("Error for Serve for %s", uds)
}
o := HTTPOptions{TLSOptions: TLSOptions{UnixDomainSocket: uds}, URL: "http://foo.bar:123/debug1"}
client, _ := NewClient(&o)
code, data, _ := client.Fetch(context.Background())
if code != http.StatusOK {
t.Errorf("Got error %d fetching uds %s", code, uds)
}
if !strings.Contains(string(data), "Host: foo.bar:123") {
t.Errorf("Didn't find expected Host header in debug handler: %s", DebugSummary(data, 1024))
}
}
func TestEchoBack(t *testing.T) {
m, a := DynamicHTTPServer(false)
m.HandleFunc("/", EchoHandler)
v := url.Values{}
v.Add("foo", "bar")
url := fmt.Sprintf("http://localhost:%d/?delay=2s", a.Port) // trigger max delay
resp, err := http.PostForm(url, v)
if err != nil {
t.Fatalf("post form err %v", err)
}
defer resp.Body.Close()
b, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatalf("readall err %v", err)
}
expected := "foo=bar"
if string(b) != expected {
t.Errorf("Got %s while expected %s", DebugSummary(b, 128), expected)
}
}
func TestH10Cli(t *testing.T) {
m, a := DynamicHTTPServer(false)
m.HandleFunc("/", EchoHandler)
url := fmt.Sprintf("http://localhost:%d/", a.Port)
opts := NewHTTPOptions(url)
opts.HTTP10 = true
opts.AddAndValidateExtraHeader("Host: mhostname")
cli, _ := NewFastClient(opts)
code, _, _ := cli.Fetch(context.Background())
if code != 200 {
t.Errorf("http 1.0 unexpected error %d", code)
}
s := cli.(*FastClient).socket
if s != nil {
t.Errorf("http 1.0 socket should be nil after fetch (no keepalive) %+v instead", s)
}
cli.Close()
}
func TestSmallBufferAndNoKeepAlive(t *testing.T) {
m, a := DynamicHTTPServer(false)
m.HandleFunc("/", EchoHandler)
BufferSizeKb = 16
sz := BufferSizeKb * 1024
url := fmt.Sprintf("http://localhost:%d/?size=%d", a.Port, sz+1) // trigger buffer problem
opts := NewHTTPOptions(url)
cli, _ := NewFastClient(opts)
_, data, _ := cli.Fetch(context.Background())
recSz := len(data)
if recSz > sz {
t.Errorf("config1: was expecting truncated read, got %d", recSz)
}
cli.Close()
// Same test without keepalive (exercises a different path)
opts.DisableKeepAlive = true
cli, _ = NewFastClient(opts)
_, data, _ = cli.Fetch(context.Background())
recSz = len(data)
if recSz > sz {
t.Errorf("config2: was expecting truncated read, got %d", recSz)
}
cli.Close()
}
func TestBadUrlFastClient(t *testing.T) {
opts := NewHTTPOptions("not a valid url")
cli, err := NewFastClient(opts)
if cli != nil || err == nil {
t.Errorf("config1: got a client %v despite bogus url %s", cli, opts.URL)
cli.Close()
}
opts.URL = "http://doesnotexist.fortio.org"
cli, err = NewFastClient(opts)
if cli != nil || err == nil {
t.Errorf("config2: got a client %v despite bogus url %s", cli, opts.URL)
cli.Close()
}
}
func TestBadURLStdClient(t *testing.T) {
opts := NewHTTPOptions("not a valid url")
cli, err := NewStdClient(opts)
if cli != nil || err == nil {
t.Errorf("config1: got a client %v despite bogus url %q", cli, opts.URL)
cli.Close()
}
opts.URL = "http://doesnotexist.fortio.org"
cli, err = NewStdClient(opts)
if cli != nil || err == nil {
t.Errorf("config2: got a client %v despite bogus host in url %q", cli, opts.URL)
cli.Close()
}
opts.URL = ""
cli, err = NewStdClient(opts)
if cli != nil || err == nil {
t.Errorf("config3: got a client %v despite empty url %q", cli, opts.URL)
cli.Close()
}
}
func TestDefaultPort(t *testing.T) {
url := "http://demo.fortio.org/" // shall imply port 80
opts := NewHTTPOptions(url)
cli, _ := NewFastClient(opts)
ctx := context.Background()
code, _, _ := cli.Fetch(ctx)
expectedRedirect := 303 // might need to change if switching from cloudflare to native fortio proxy.
if code != expectedRedirect {
t.Errorf("unexpected code for %s: %d (expecting %d redirect to https)", url, code, expectedRedirect)
}
conn := cli.(*FastClient).connect(ctx)
if conn != nil {
p := conn.RemoteAddr().(*net.TCPAddr).Port
if p != 80 {
t.Errorf("unexpected port for %s: %d", url, p)
}
conn.Close()
} else {
t.Errorf("unable to connect to %s", url)
}
cli.Close()
opts = NewHTTPOptions("https://fortio.org") // will be https port 443
opts.Insecure = true // not needed as we have valid certs but to exercise that code
cli, err := NewClient(opts)
if cli == nil {
t.Fatalf("Couldn't get a client using NewClient on modified opts: %v", err)
}
if !cli.HasBuffer() {
t.Errorf("didn't get expected fast client with buffer")
}
code, _, _ = cli.Fetch(context.Background())
if code != 200 {
t.Errorf("Standard client http error code %d", code)
}
cli.Close()
}
// Test for bug #127
var testBody = "delayedChunkedSize-body"
func delayedChunkedSize(w http.ResponseWriter, r *http.Request) {
log.LogVf("delayedChunkedSize %v %v %v %v", r.Method, r.URL, r.Proto, r.RemoteAddr)
w.WriteHeader(http.StatusOK)
flusher, _ := w.(http.Flusher)
flusher.Flush()
time.Sleep(1 * time.Second)
w.Write([]byte(testBody))
}
func TestNoFirstChunkSizeInitially(t *testing.T) {
m, a := DynamicHTTPServer(false)
m.HandleFunc("/", delayedChunkedSize)
url := fmt.Sprintf("http://localhost:%d/delayedChunkedSize", a.Port)
o := HTTPOptions{URL: url}
client, _ := NewClient(&o)
code, data, header := client.Fetch(context.Background()) // used to panic/bug #127
t.Logf("delayedChunkedSize result code %d, data len %d, headerlen %d", code, len(data), header)
if code != 200 {
t.Errorf("Got %d instead of 200", code)
}
expected := "17\r\n" + testBody + "\r\n0\r\n\r\n" // 17 is hex size of testBody
if string(data[header:]) != expected {
t.Errorf("Got %s not as expected %q at offset %d", DebugSummary(data, 256), expected, header)
}
}
func TestInvalidRequest(t *testing.T) {
o := HTTPOptions{
URL: "http://www.google.com/", // valid url
NumConnections: -3, // bogus NumConnections will get fixed
HTTPReqTimeOut: -1,
}
client, _ := NewStdClient(&o)
if o.NumConnections <= 0 {
t.Errorf("Got %d NumConnections, was expecting normalization to 1", o.NumConnections)
}
client.ChangeURL(" http://bad.url.with.space.com/") // invalid url
// should not crash (issue #93), should error out
code, _, _ := client.Fetch(context.Background())
if code != -1 {
t.Errorf("Got %d code while expecting -1 (local error)", code)
}
o.URL = client.url
c2, err := NewStdClient(&o)
if c2 != nil || err == nil {
t.Errorf("Got non nil client %+v code while expecting nil for bad request", c2)
}
}
func TestPayloadSizeSmall(t *testing.T) {
m, a := DynamicHTTPServer(false)
m.HandleFunc("/", EchoHandler)
for _, size := range []int{768, 0, 1} {
url := fmt.Sprintf("http://localhost:%d/with-size?size=%d", a.Port, size)
o := HTTPOptions{URL: url}
client, _ := NewClient(&o)
code, data, header := client.Fetch(context.Background()) // used to panic/bug #127
t.Logf("TestPayloadSize result code %d, data len %d, headerlen %d", code, len(data), header)
if code != http.StatusOK {
t.Errorf("Got %d instead of 200", code)
}
if len(data)-header != size {
t.Errorf("Got len(data)-header %d not as expected %d : got %s", len(data)-header, size, DebugSummary(data, 512))
}
}
}
// TODO: improve/unify/simplify those payload/POST tests: just go to /debug handler for both clients and check what is echoed back
func TestPayloadForClient(t *testing.T) {
tests := []struct {
contentType string
payload []byte
expectedMethod string
}{
{
"application/json",
[]byte("{\"test\" : \"test\"}"),
"POST",
},
{
"application/xml",
[]byte("<test test=\"test\">"),
"POST",
},
{
"",
nil,
"GET",
},
{
"",
[]byte{},
"GET",
},
{
"Foo", // once we set a content-type we get a POST instead of GET (alternative to -X)
nil,
"POST",
},
}
for _, test := range tests {
hOptions := HTTPOptions{}
hOptions.URL = "www.google.com"
err := hOptions.AddAndValidateExtraHeader("conTENT-tYPE: " + test.contentType)
if err != nil {
t.Errorf("Got error %v adding header", err)
}
if hOptions.ContentType != test.contentType {
t.Errorf("Got %q, expected %q as a content type from header addition", hOptions.ContentType, test.contentType)
}
hOptions.Payload = test.payload
client, _ := NewStdClient(&hOptions)
contentType := client.req.Header.Get("Content-Type")
if contentType != test.contentType {
t.Errorf("Got %q, expected %q as a content type", contentType, test.contentType)
}
method := client.req.Method
if method != test.expectedMethod {
t.Errorf("Got %s, expected %s as a method", method, test.expectedMethod)
}
body := client.req.Body
if body == nil {
if len(test.payload) > 0 {
t.Errorf("Got empty nil body, expected %s as a body", test.payload)
}
continue
}
var buf bytes.Buffer // A Buffer needs no initialization. https://pkg.go.dev/bytes#Buffer
buf.ReadFrom(body)
payload := buf.Bytes()
if !bytes.Equal(payload, test.payload) {
t.Errorf("Got %s, expected %s as a body", string(payload), string(test.payload))
}
}
}
func TestMethodOverride(t *testing.T) {
_, addr := ServeTCP("0", "/debug")
o := HTTPOptions{URL: fmt.Sprintf("http://localhost:%d/debug", addr.Port), MethodOverride: "FOO"}
for _, fastClient := range []bool{true, false} {
o.DisableFastClient = !fastClient
cli, _ := NewClient(&o)
ctx := context.Background()
code, data, _ := cli.Fetch(ctx)
if code != 200 {
t.Errorf("Non ok code %d for debug override method %q", code, o.MethodOverride)
}
expected := []byte("FOO /debug HTTP/1.1")
if !bytes.Contains(data, expected) {
t.Errorf("Method not echoed back in fastClient %v client %s (expecting %s)", fastClient, DebugSummary(data, 512), expected)
}
}
}
func TestPostFromContentType(t *testing.T) {
_, addr := ServeTCP("0", "/debug")
o := HTTPOptions{URL: fmt.Sprintf("http://localhost:%d/debug", addr.Port)}
o.AddAndValidateExtraHeader("content-type: foo/bar; xyz")
for _, fastClient := range []bool{true, false} {
o.DisableFastClient = !fastClient
cli, _ := NewClient(&o)
ctx := context.Background()
code, data, _ := cli.Fetch(ctx)
if code != 200 {
t.Errorf("Non ok code %d for debug override method %q", code, o.MethodOverride)
}
expected := []byte("POST /debug HTTP/1.1")
if !bytes.Contains(data, expected) {
t.Errorf("POST not found in fastClient %v client %s (expecting %s)", fastClient, DebugSummary(data, 512), expected)
}
expected = []byte("Content-Type: foo/bar; xyz")
if !bytes.Contains(data, expected) {
t.Errorf("Content-type not found in fastClient %v client %s (expecting %s)", fastClient, DebugSummary(data, 512), expected)
}
}
}
func TestPayloadForFastClient(t *testing.T) {
tests := []struct {
contentType string
payload []byte
expectedReqBody string
}{
{
"application/json",
[]byte("{\"test\" : \"test\"}"),
fmt.Sprintf("POST / HTTP/1.1\r\nHost: www.google.com\r\nContent-Length: 17\r\nContent-Type: "+
"application/json\r\nUser-Agent: %s\r\n\r\n{\"test\" : \"test\"}", jrpc.UserAgent),
},
{
"application/xml",
[]byte("<test test=\"test\">"),
fmt.Sprintf("POST / HTTP/1.1\r\nHost: www.google.com\r\nContent-Length: 18\r\nContent-Type: "+
"application/xml\r\nUser-Agent: %s\r\n\r\n<test test=\"test\">", jrpc.UserAgent),
},
{
"",
nil,
fmt.Sprintf("GET / HTTP/1.1\r\nHost: www.google.com\r\nUser-Agent: %s\r\n\r\n", jrpc.UserAgent),
},
}
for _, test := range tests {
hOptions := HTTPOptions{}