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			146 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			146 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2013 Julien Schmidt. All rights reserved.
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// Based on the path package, Copyright 2009 The Go Authors.
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// Use of this source code is governed by a BSD-style license that can be found
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// at https://github.com/julienschmidt/httprouter/blob/master/LICENSE
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package gin
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import (
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	"runtime"
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	"strings"
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	"testing"
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	"github.com/stretchr/testify/assert"
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)
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type cleanPathTest struct {
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	path, result string
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}
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var cleanTests = []cleanPathTest{
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	// Already clean
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	{"/", "/"},
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	{"/abc", "/abc"},
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	{"/a/b/c", "/a/b/c"},
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	{"/abc/", "/abc/"},
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	{"/a/b/c/", "/a/b/c/"},
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	// missing root
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	{"", "/"},
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	{"a/", "/a/"},
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	{"abc", "/abc"},
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	{"abc/def", "/abc/def"},
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	{"a/b/c", "/a/b/c"},
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	// Remove doubled slash
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	{"//", "/"},
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	{"/abc//", "/abc/"},
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	{"/abc/def//", "/abc/def/"},
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	{"/a/b/c//", "/a/b/c/"},
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	{"/abc//def//ghi", "/abc/def/ghi"},
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	{"//abc", "/abc"},
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	{"///abc", "/abc"},
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	{"//abc//", "/abc/"},
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	// Remove . elements
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	{".", "/"},
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	{"./", "/"},
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	{"/abc/./def", "/abc/def"},
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	{"/./abc/def", "/abc/def"},
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	{"/abc/.", "/abc/"},
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	// Remove .. elements
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	{"..", "/"},
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	{"../", "/"},
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	{"../../", "/"},
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	{"../..", "/"},
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	{"../../abc", "/abc"},
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	{"/abc/def/ghi/../jkl", "/abc/def/jkl"},
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	{"/abc/def/../ghi/../jkl", "/abc/jkl"},
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	{"/abc/def/..", "/abc"},
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	{"/abc/def/../..", "/"},
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	{"/abc/def/../../..", "/"},
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	{"/abc/def/../../..", "/"},
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	{"/abc/def/../../../ghi/jkl/../../../mno", "/mno"},
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	// Combinations
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	{"abc/./../def", "/def"},
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	{"abc//./../def", "/def"},
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	{"abc/../../././../def", "/def"},
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}
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func TestPathClean(t *testing.T) {
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	for _, test := range cleanTests {
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		assert.Equal(t, test.result, cleanPath(test.path))
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		assert.Equal(t, test.result, cleanPath(test.result))
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	}
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}
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func TestPathCleanMallocs(t *testing.T) {
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	if testing.Short() {
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		t.Skip("skipping malloc count in short mode")
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	}
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	if runtime.GOMAXPROCS(0) > 1 {
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		t.Skip("skipping malloc count; GOMAXPROCS>1")
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	}
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	for _, test := range cleanTests {
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		allocs := testing.AllocsPerRun(100, func() { cleanPath(test.result) })
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		assert.InDelta(t, 0, allocs, 0.01)
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	}
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}
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func BenchmarkPathClean(b *testing.B) {
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	b.ReportAllocs()
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	for i := 0; i < b.N; i++ {
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		for _, test := range cleanTests {
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			cleanPath(test.path)
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		}
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	}
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}
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func genLongPaths() (testPaths []cleanPathTest) {
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	for i := 1; i <= 1234; i++ {
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		ss := strings.Repeat("a", i)
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		correctPath := "/" + ss
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		testPaths = append(testPaths, cleanPathTest{
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			path:   correctPath,
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			result: correctPath,
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		}, cleanPathTest{
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			path:   ss,
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			result: correctPath,
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		}, cleanPathTest{
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			path:   "//" + ss,
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			result: correctPath,
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		}, cleanPathTest{
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			path:   "/" + ss + "/b/..",
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			result: correctPath,
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		})
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	}
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	return
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}
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func TestPathCleanLong(t *testing.T) {
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	cleanTests := genLongPaths()
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	for _, test := range cleanTests {
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		assert.Equal(t, test.result, cleanPath(test.path))
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		assert.Equal(t, test.result, cleanPath(test.result))
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	}
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}
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func BenchmarkPathCleanLong(b *testing.B) {
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	cleanTests := genLongPaths()
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	b.ResetTimer()
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	b.ReportAllocs()
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	for i := 0; i < b.N; i++ {
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		for _, test := range cleanTests {
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			cleanPath(test.path)
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		}
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	}
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}
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