From 35dad74ea2fdca42f664d5b1c561ed4f9303bc08 Mon Sep 17 00:00:00 2001
From: gaowenju <gaowenju@bytedance.com>
Date: Wed, 8 Nov 2023 18:56:45 +0800
Subject: [PATCH] test: add ut

---
 pkg/app/server/hertz_test.go |  8 ++++----
 pkg/protocol/uri.go          |  3 +++
 pkg/protocol/uri_test.go     | 37 ++++++++++++++++++++++++++++++++++++
 3 files changed, 44 insertions(+), 4 deletions(-)

diff --git a/pkg/app/server/hertz_test.go b/pkg/app/server/hertz_test.go
index 5baa3ecf5..036df76a5 100644
--- a/pkg/app/server/hertz_test.go
+++ b/pkg/app/server/hertz_test.go
@@ -259,7 +259,7 @@ func TestNotAbsolutePath(t *testing.T) {
 	go engine.Run()
 	time.Sleep(200 * time.Microsecond)
 
-	s := "POST ?a=b HTTP/1.1\r\nContent-Length: 5\r\nContent-Type: foo/bar\r\n\r\nabcdef4343"
+	s := "POST ?a=b HTTP/1.1\r\nHost: a.b.c\r\nContent-Length: 5\r\nContent-Type: foo/bar\r\n\r\nabcdef4343"
 	zr := mock.NewZeroCopyReader(s)
 
 	ctx := app.NewContext(0)
@@ -270,7 +270,7 @@ func TestNotAbsolutePath(t *testing.T) {
 	assert.DeepEqual(t, consts.StatusOK, ctx.Response.StatusCode())
 	assert.DeepEqual(t, ctx.Request.Body(), ctx.Response.Body())
 
-	s = "POST a?a=b HTTP/1.1\r\nContent-Length: 5\r\nContent-Type: foo/bar\r\n\r\nabcdef4343"
+	s = "POST a?a=b HTTP/1.1\r\nHost: a.b.c\r\nContent-Length: 5\r\nContent-Type: foo/bar\r\n\r\nabcdef4343"
 	zr = mock.NewZeroCopyReader(s)
 
 	ctx = app.NewContext(0)
@@ -291,7 +291,7 @@ func TestNotAbsolutePathWithRawPath(t *testing.T) {
 	go engine.Run()
 	time.Sleep(200 * time.Microsecond)
 
-	s := "POST ?a=b HTTP/1.1\r\nContent-Length: 5\r\nContent-Type: foo/bar\r\n\r\nabcdef4343"
+	s := "POST ?a=b HTTP/1.1\r\nHost: a.b.c\r\nContent-Length: 5\r\nContent-Type: foo/bar\r\n\r\nabcdef4343"
 	zr := mock.NewZeroCopyReader(s)
 
 	ctx := app.NewContext(0)
@@ -302,7 +302,7 @@ func TestNotAbsolutePathWithRawPath(t *testing.T) {
 	assert.DeepEqual(t, consts.StatusBadRequest, ctx.Response.StatusCode())
 	assert.DeepEqual(t, default400Body, ctx.Response.Body())
 
-	s = "POST a?a=b HTTP/1.1\r\nContent-Length: 5\r\nContent-Type: foo/bar\r\n\r\nabcdef4343"
+	s = "POST a?a=b HTTP/1.1\r\nHost: a.b.c\r\nContent-Length: 5\r\nContent-Type: foo/bar\r\n\r\nabcdef4343"
 	zr = mock.NewZeroCopyReader(s)
 
 	ctx = app.NewContext(0)
diff --git a/pkg/protocol/uri.go b/pkg/protocol/uri.go
index 25edce466..ca483bb57 100644
--- a/pkg/protocol/uri.go
+++ b/pkg/protocol/uri.go
@@ -610,6 +610,9 @@ func (u *URI) updateBytes(newURI, buf []byte) []byte {
 		if len(u.scheme) > 0 {
 			schemeOriginal = append([]byte(nil), u.scheme...)
 		}
+		if n == 0 {
+			newURI = bytes.Join([][]byte{u.scheme, bytestr.StrColon, newURI}, nil)
+		}
 		u.Parse(nil, newURI)
 		if len(schemeOriginal) > 0 && len(u.scheme) == 0 {
 			u.scheme = append(u.scheme[:0], schemeOriginal...)
diff --git a/pkg/protocol/uri_test.go b/pkg/protocol/uri_test.go
index e245faf26..2e8109dc7 100644
--- a/pkg/protocol/uri_test.go
+++ b/pkg/protocol/uri_test.go
@@ -42,6 +42,7 @@
 package protocol
 
 import (
+	"bytes"
 	"path/filepath"
 	"reflect"
 	"runtime"
@@ -468,3 +469,39 @@ func TestParseURI(t *testing.T) {
 	uri := string(ParseURI(expectURI).FullURI())
 	assert.DeepEqual(t, expectURI, uri)
 }
+
+func TestSplitHostURI(t *testing.T) {
+	cases := []struct {
+		host, uri                      []byte
+		wantScheme, wantHost, wantPath []byte
+	}{
+		{
+			[]byte("example.com"), []byte("/foobar"),
+			[]byte("http"), []byte("example.com"), []byte("/foobar"),
+		},
+		{
+			[]byte("example2.com"), []byte("http://example2.com"),
+			[]byte("http"), []byte("example2.com"), []byte("/"),
+		},
+		{
+			[]byte("example2.com"), []byte("http://example3.com"),
+			[]byte("http"), []byte("example3.com"), []byte("/"),
+		},
+		{
+			[]byte("example3.com"), []byte("https://foobar.com?a=b"),
+			[]byte("https"), []byte("foobar.com"), []byte("?a=b"),
+		},
+		{
+			[]byte("example.com"), []byte("//www.google.com/://../../ping"),
+			[]byte("http"), []byte("example.com"), []byte("//www.google.com/://../../ping"),
+		},
+	}
+
+	for _, c := range cases {
+		gotScheme, gotHost, gotPath := splitHostURI(c.host, c.uri)
+		if !bytes.Equal(gotScheme, c.wantScheme) || !bytes.Equal(gotHost, c.wantHost) || !bytes.Equal(gotPath, c.wantPath) {
+			t.Errorf("splitHostURI(%q, %q) == (%q, %q, %q), want (%q, %q, %q)",
+				c.host, c.uri, gotScheme, gotHost, gotPath, c.wantScheme, c.wantHost, c.wantPath)
+		}
+	}
+}