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fs_test.go
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fs_test.go
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package fasthttp
import (
"bufio"
"bytes"
"fmt"
"io/ioutil"
"math/rand"
"os"
"sort"
"testing"
"time"
)
func TestFSByteRangeConcurrent(t *testing.T) {
fs := &FS{
Root: ".",
AcceptByteRange: true,
}
h := fs.NewRequestHandler()
concurrency := 10
ch := make(chan struct{}, concurrency)
for i := 0; i < concurrency; i++ {
go func() {
for j := 0; j < 5; j++ {
testFSByteRange(t, h, "/fs.go")
testFSByteRange(t, h, "/README.md")
}
ch <- struct{}{}
}()
}
for i := 0; i < concurrency; i++ {
select {
case <-time.After(time.Second):
t.Fatalf("timeout")
case <-ch:
}
}
}
func TestFSByteRangeSingleThread(t *testing.T) {
fs := &FS{
Root: ".",
AcceptByteRange: true,
}
h := fs.NewRequestHandler()
testFSByteRange(t, h, "/fs.go")
testFSByteRange(t, h, "/README.md")
}
func testFSByteRange(t *testing.T, h RequestHandler, filePath string) {
var ctx RequestCtx
ctx.Init(&Request{}, nil, nil)
expectedBody, err := getFileContents(filePath)
if err != nil {
t.Fatalf("cannot read file %q: %s", filePath, err)
}
fileSize := len(expectedBody)
startPos := rand.Intn(fileSize)
endPos := rand.Intn(fileSize)
if endPos < startPos {
startPos, endPos = endPos, startPos
}
ctx.Request.SetRequestURI(filePath)
ctx.Request.Header.SetByteRange(startPos, endPos)
h(&ctx)
var resp Response
s := ctx.Response.String()
br := bufio.NewReader(bytes.NewBufferString(s))
if err := resp.Read(br); err != nil {
t.Fatalf("unexpected error: %s. filePath=%q", err, filePath)
}
if resp.StatusCode() != StatusPartialContent {
t.Fatalf("unexpected status code: %d. Expecting %d. filePath=%q", resp.StatusCode(), StatusPartialContent, filePath)
}
cr := resp.Header.Peek("Content-Range")
expectedCR := fmt.Sprintf("bytes %d-%d/%d", startPos, endPos, fileSize)
if string(cr) != expectedCR {
t.Fatalf("unexpected content-range %q. Expecting %q. filePath=%q", cr, expectedCR, filePath)
}
body := resp.Body()
bodySize := endPos - startPos + 1
if len(body) != bodySize {
t.Fatalf("unexpected body size %d. Expecting %d. filePath=%q, startPos=%d, endPos=%d",
len(body), bodySize, filePath, startPos, endPos)
}
expectedBody = expectedBody[startPos : endPos+1]
if !bytes.Equal(body, expectedBody) {
t.Fatalf("unexpected body %q. Expecting %q. filePath=%q, startPos=%d, endPos=%d",
body, expectedBody, filePath, startPos, endPos)
}
}
func getFileContents(path string) ([]byte, error) {
path = "." + path
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
return ioutil.ReadAll(f)
}
func TestParseByteRangeSuccess(t *testing.T) {
testParseByteRangeSuccess(t, "bytes=0-0", 1, 0, 0)
testParseByteRangeSuccess(t, "bytes=1234-6789", 6790, 1234, 6789)
testParseByteRangeSuccess(t, "bytes=123-", 456, 123, 455)
testParseByteRangeSuccess(t, "bytes=-1", 1, 0, 0)
testParseByteRangeSuccess(t, "bytes=-123", 456, 333, 455)
}
func testParseByteRangeSuccess(t *testing.T, v string, contentLength, startPos, endPos int) {
startPos1, endPos1, err := ParseByteRange([]byte(v), contentLength)
if err != nil {
t.Fatalf("unexpected error: %s. v=%q, contentLength=%d", err, v, contentLength)
}
if startPos1 != startPos {
t.Fatalf("unexpected startPos=%d. Expecting %d. v=%q, contentLength=%d", startPos1, startPos, v, contentLength)
}
if endPos1 != endPos {
t.Fatalf("unexpected endPos=%d. Expectind %d. v=%q, contentLenght=%d", endPos1, endPos, v, contentLength)
}
}
func TestParseByteRangeError(t *testing.T) {
// invalid value
testParseByteRangeError(t, "asdfasdfas", 1234)
// invalid units
testParseByteRangeError(t, "foobar=1-34", 600)
// missing '-'
testParseByteRangeError(t, "bytes=1234", 1235)
// non-numeric range
testParseByteRangeError(t, "bytes=foobar", 123)
testParseByteRangeError(t, "bytes=1-foobar", 123)
testParseByteRangeError(t, "bytes=df-344", 545)
// multiple byte ranges
testParseByteRangeError(t, "bytes=1-2,4-6", 123)
// byte range exceeding contentLength
testParseByteRangeError(t, "bytes=1-2345", 234)
testParseByteRangeError(t, "bytes=1-2345", 2345)
testParseByteRangeError(t, "bytes=123-", 12)
testParseByteRangeError(t, "bytes=-567", 56)
// startPos exceeding endPos
testParseByteRangeError(t, "bytes=123-34", 1234)
}
func testParseByteRangeError(t *testing.T, v string, contentLength int) {
_, _, err := ParseByteRange([]byte(v), contentLength)
if err == nil {
t.Fatalf("expecting error when parsing byte range %q", v)
}
}
func TestFSCompressConcurrent(t *testing.T) {
fs := &FS{
Root: ".",
GenerateIndexPages: true,
Compress: true,
}
h := fs.NewRequestHandler()
concurrency := 4
ch := make(chan struct{}, concurrency)
for i := 0; i < concurrency; i++ {
go func() {
for j := 0; j < 10; j++ {
testFSCompress(t, h, "/fs.go")
testFSCompress(t, h, "/")
testFSCompress(t, h, "/README.md")
}
ch <- struct{}{}
}()
}
for i := 0; i < concurrency; i++ {
select {
case <-ch:
case <-time.After(time.Second):
t.Fatalf("timeout")
}
}
}
func TestFSCompressSingleThread(t *testing.T) {
fs := &FS{
Root: ".",
GenerateIndexPages: true,
Compress: true,
}
h := fs.NewRequestHandler()
testFSCompress(t, h, "/fs.go")
testFSCompress(t, h, "/")
testFSCompress(t, h, "/README.md")
}
func testFSCompress(t *testing.T, h RequestHandler, filePath string) {
var ctx RequestCtx
ctx.Init(&Request{}, nil, nil)
// request uncompressed file
ctx.Request.Reset()
ctx.Request.SetRequestURI(filePath)
h(&ctx)
var resp Response
s := ctx.Response.String()
br := bufio.NewReader(bytes.NewBufferString(s))
if err := resp.Read(br); err != nil {
t.Fatalf("unexpected error: %s. filePath=%q", err, filePath)
}
if resp.StatusCode() != StatusOK {
t.Fatalf("unexpected status code: %d. Expecting %d. filePath=%q", resp.StatusCode(), StatusOK, filePath)
}
ce := resp.Header.Peek("Content-Encoding")
if string(ce) != "" {
t.Fatalf("unexpected content-encoding %q. Expecting empty string. filePath=%q", ce, filePath)
}
body := string(resp.Body())
// request compressed file
ctx.Request.Reset()
ctx.Request.SetRequestURI(filePath)
ctx.Request.Header.Set("Accept-Encoding", "gzip")
h(&ctx)
s = ctx.Response.String()
br = bufio.NewReader(bytes.NewBufferString(s))
if err := resp.Read(br); err != nil {
t.Fatalf("unexpected error: %s. filePath=%q", err, filePath)
}
if resp.StatusCode() != StatusOK {
t.Fatalf("unexpected status code: %d. Expecting %d. filePath=%q", resp.StatusCode(), StatusOK, filePath)
}
ce = resp.Header.Peek("Content-Encoding")
if string(ce) != "gzip" {
t.Fatalf("unexpected content-encoding %q. Expecting %q. filePath=%q", ce, "gzip", filePath)
}
zbody, err := resp.BodyGunzip()
if err != nil {
t.Fatalf("unexpected error when gunzipping response body: %s. filePath=%q", err, filePath)
}
if string(zbody) != body {
t.Fatalf("unexpected body %q. Expected %q. FilePath=%q", zbody, body, filePath)
}
}
func TestFileLock(t *testing.T) {
for i := 0; i < 10; i++ {
filePath := fmt.Sprintf("foo/bar/%d.jpg", i)
lock := getFileLock(filePath)
lock.Lock()
lock.Unlock()
}
for i := 0; i < 10; i++ {
filePath := fmt.Sprintf("foo/bar/%d.jpg", i)
lock := getFileLock(filePath)
lock.Lock()
lock.Unlock()
}
}
func TestFSHandlerSingleThread(t *testing.T) {
requestHandler := FSHandler(".", 0)
f, err := os.Open(".")
if err != nil {
t.Fatalf("cannot open cwd: %s", err)
}
filenames, err := f.Readdirnames(0)
f.Close()
if err != nil {
t.Fatalf("cannot read dirnames in cwd: %s", err)
}
sort.Sort(sort.StringSlice(filenames))
for i := 0; i < 3; i++ {
fsHandlerTest(t, requestHandler, filenames)
}
}
func TestFSHandlerConcurrent(t *testing.T) {
requestHandler := FSHandler(".", 0)
f, err := os.Open(".")
if err != nil {
t.Fatalf("cannot open cwd: %s", err)
}
filenames, err := f.Readdirnames(0)
f.Close()
if err != nil {
t.Fatalf("cannot read dirnames in cwd: %s", err)
}
sort.Sort(sort.StringSlice(filenames))
concurrency := 10
ch := make(chan struct{}, concurrency)
for j := 0; j < concurrency; j++ {
go func() {
for i := 0; i < 3; i++ {
fsHandlerTest(t, requestHandler, filenames)
}
ch <- struct{}{}
}()
}
for j := 0; j < concurrency; j++ {
select {
case <-ch:
case <-time.After(time.Second):
t.Fatalf("timeout")
}
}
}
func fsHandlerTest(t *testing.T, requestHandler RequestHandler, filenames []string) {
var ctx RequestCtx
var req Request
ctx.Init(&req, nil, defaultLogger)
ctx.Request.Header.SetHost("foobar.com")
filesTested := 0
for _, name := range filenames {
f, err := os.Open(name)
if err != nil {
t.Fatalf("cannot open file %q: %s", name, err)
}
stat, err := f.Stat()
if err != nil {
t.Fatalf("cannot get file stat %q: %s", name, err)
}
if stat.IsDir() {
f.Close()
continue
}
data, err := ioutil.ReadAll(f)
f.Close()
if err != nil {
t.Fatalf("cannot read file contents %q: %s", name, err)
}
ctx.URI().Update(name)
requestHandler(&ctx)
if ctx.Response.bodyStream == nil {
t.Fatalf("response body stream must be non-empty")
}
body, err := ioutil.ReadAll(ctx.Response.bodyStream)
if err != nil {
t.Fatalf("error when reading response body stream: %s", err)
}
if !bytes.Equal(body, data) {
t.Fatalf("unexpected body returned: %q. Expecting %q", body, data)
}
filesTested++
if filesTested >= 10 {
break
}
}
// verify index page generation
ctx.URI().Update("/")
requestHandler(&ctx)
if ctx.Response.bodyStream == nil {
t.Fatalf("response body stream must be non-empty")
}
body, err := ioutil.ReadAll(ctx.Response.bodyStream)
if err != nil {
t.Fatalf("error when reading response body stream: %s", err)
}
if len(body) == 0 {
t.Fatalf("index page must be non-empty")
}
}
func TestStripPathSlashes(t *testing.T) {
testStripPathSlashes(t, "", 0, "")
testStripPathSlashes(t, "", 10, "")
testStripPathSlashes(t, "/", 0, "")
testStripPathSlashes(t, "/", 1, "")
testStripPathSlashes(t, "/", 10, "")
testStripPathSlashes(t, "/foo/bar/baz", 0, "/foo/bar/baz")
testStripPathSlashes(t, "/foo/bar/baz", 1, "/bar/baz")
testStripPathSlashes(t, "/foo/bar/baz", 2, "/baz")
testStripPathSlashes(t, "/foo/bar/baz", 3, "")
testStripPathSlashes(t, "/foo/bar/baz", 10, "")
// trailing slash
testStripPathSlashes(t, "/foo/bar/", 0, "/foo/bar")
testStripPathSlashes(t, "/foo/bar/", 1, "/bar")
testStripPathSlashes(t, "/foo/bar/", 2, "")
testStripPathSlashes(t, "/foo/bar/", 3, "")
}
func testStripPathSlashes(t *testing.T, path string, stripSlashes int, expectedPath string) {
s := stripLeadingSlashes([]byte(path), stripSlashes)
s = stripTrailingSlashes(s)
if string(s) != expectedPath {
t.Fatalf("unexpected path after stripping %q with stripSlashes=%d: %q. Expecting %q", path, stripSlashes, s, expectedPath)
}
}
func TestFileExtension(t *testing.T) {
testFileExtension(t, "foo.bar", false, ".bar")
testFileExtension(t, "foobar", false, "")
testFileExtension(t, "foo.bar.baz", false, ".baz")
testFileExtension(t, "", false, "")
testFileExtension(t, "/a/b/c.d/efg.jpg", false, ".jpg")
testFileExtension(t, "foo.bar", true, ".bar")
testFileExtension(t, "foobar.fasthttp.gz", true, "")
testFileExtension(t, "foo.bar.baz.fasthttp.gz", true, ".baz")
testFileExtension(t, "", true, "")
testFileExtension(t, "/a/b/c.d/efg.jpg.fasthttp.gz", true, ".jpg")
}
func testFileExtension(t *testing.T, path string, compressed bool, expectedExt string) {
ext := fileExtension(path, compressed)
if ext != expectedExt {
t.Fatalf("unexpected file extension for file %q: %q. Expecting %q", path, ext, expectedExt)
}
}