Fix unnecessary allocations due to Index calls

.deepsource.toml

@@ -0,0 +1,12 @@
+version = 1
+
+test_patterns = ["**/*_test.go"]
+
+exclude_patterns = ["scripts/**"]
+
+[[analyzers]]
+name = "go"
+enabled = true
+
+  [analyzers.meta]
+  import_paths = ["github.com/beego/beego"]

adapter/httplib/httplib_test.go

@@ -15,6 +15,7 @@
 package httplib
 
 import (
+	"bytes"
 	"errors"
 	"io/ioutil"
 	"net"
@@ -261,7 +262,7 @@ func TestToFile(t *testing.T) {
 	}
 	defer os.Remove(f)
 	b, err := ioutil.ReadFile(f)
-	if n := strings.Index(string(b), "origin"); n == -1 {
+	if n := bytes.Index(b, []byte("origin")); n == -1 {
 		t.Fatal(err)
 	}
 }
@@ -275,7 +276,7 @@ func TestToFileDir(t *testing.T) {
 	}
 	defer os.RemoveAll("./files")
 	b, err := ioutil.ReadFile(f)
-	if n := strings.Index(string(b), "origin"); n == -1 {
+	if n := bytes.Index(b, []byte("origin")); n == -1 {
 		t.Fatal(err)
 	}
 }

client/httplib/httplib_test.go

@@ -15,6 +15,7 @@
 package httplib
 
 import (
+	"bytes"
 	"context"
 	"errors"
 	"io/ioutil"
@@ -259,7 +260,7 @@ func TestToFile(t *testing.T) {
 	}
 	defer os.Remove(f)
 	b, err := ioutil.ReadFile(f)
-	if n := strings.Index(string(b), "origin"); n == -1 {
+	if n := bytes.Index(b, []byte("origin")); n == -1 {
 		t.Fatal(err)
 	}
 }
@@ -273,7 +274,7 @@ func TestToFileDir(t *testing.T) {
 	}
 	defer os.RemoveAll("./files")
 	b, err := ioutil.ReadFile(f)
-	if n := strings.Index(string(b), "origin"); n == -1 {
+	if n := bytes.Index(b, []byte("origin")); n == -1 {
 		t.Fatal(err)
 	}
 }