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Copy pathpath_test.go
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140 lines (119 loc) · 2.9 KB
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// Copyright 2013 Julien Schmidt. All rights reserved.
// Based on the path package, Copyright 2009 The Go Authors.
// Use of this source code is governed by a BSD-style license that can be found
// at https://github.com/julienschmidt/httprouter/blob/master/LICENSE
package gin
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
type cleanPathTest struct {
path, result string
}
var cleanTests = []cleanPathTest{
// Already clean
{"/", "/"},
{"/abc", "/abc"},
{"/a/b/c", "/a/b/c"},
{"/abc/", "/abc/"},
{"/a/b/c/", "/a/b/c/"},
// missing root
{"", "/"},
{"a/", "/a/"},
{"abc", "/abc"},
{"abc/def", "/abc/def"},
{"a/b/c", "/a/b/c"},
// Remove doubled slash
{"//", "/"},
{"/abc//", "/abc/"},
{"/abc/def//", "/abc/def/"},
{"/a/b/c//", "/a/b/c/"},
{"/abc//def//ghi", "/abc/def/ghi"},
{"//abc", "/abc"},
{"///abc", "/abc"},
{"//abc//", "/abc/"},
// Remove . elements
{".", "/"},
{"./", "/"},
{"/abc/./def", "/abc/def"},
{"/./abc/def", "/abc/def"},
{"/abc/.", "/abc/"},
// Remove .. elements
{"..", "/"},
{"../", "/"},
{"../../", "/"},
{"../..", "/"},
{"../../abc", "/abc"},
{"/abc/def/ghi/../jkl", "/abc/def/jkl"},
{"/abc/def/../ghi/../jkl", "/abc/jkl"},
{"/abc/def/..", "/abc"},
{"/abc/def/../..", "/"},
{"/abc/def/../../..", "/"},
{"/abc/def/../../..", "/"},
{"/abc/def/../../../ghi/jkl/../../../mno", "/mno"},
// Combinations
{"abc/./../def", "/def"},
{"abc//./../def", "/def"},
{"abc/../../././../def", "/def"},
}
func TestPathClean(t *testing.T) {
for _, test := range cleanTests {
assert.Equal(t, test.result, cleanPath(test.path))
assert.Equal(t, test.result, cleanPath(test.result))
}
}
func TestPathCleanMallocs(t *testing.T) {
if testing.Short() {
t.Skip("skipping malloc count in short mode")
}
for _, test := range cleanTests {
allocs := testing.AllocsPerRun(100, func() { cleanPath(test.result) })
assert.EqualValues(t, allocs, 0)
}
}
func BenchmarkPathClean(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
for _, test := range cleanTests {
cleanPath(test.path)
}
}
}
func genLongPaths() (testPaths []cleanPathTest) {
for i := 1; i <= 1234; i++ {
ss := strings.Repeat("a", i)
correctPath := "/" + ss
testPaths = append(testPaths, cleanPathTest{
path: correctPath,
result: correctPath,
}, cleanPathTest{
path: ss,
result: correctPath,
}, cleanPathTest{
path: "//" + ss,
result: correctPath,
}, cleanPathTest{
path: "/" + ss + "/b/..",
result: correctPath,
})
}
return
}
func TestPathCleanLong(t *testing.T) {
cleanTests := genLongPaths()
for _, test := range cleanTests {
assert.Equal(t, test.result, cleanPath(test.path))
assert.Equal(t, test.result, cleanPath(test.result))
}
}
func BenchmarkPathCleanLong(b *testing.B) {
cleanTests := genLongPaths()
b.ResetTimer()
b.ReportAllocs()
for i := 0; i < b.N; i++ {
for _, test := range cleanTests {
cleanPath(test.path)
}
}
}