dragonfly/pkg/net/http/range_test.go

366 lines
7.9 KiB
Go

/*
* Copyright 2022 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package http
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestRange_String(t *testing.T) {
tests := []struct {
s string
rg Range
expect func(t *testing.T, s string)
}{
{
s: "bytes=0-9",
rg: Range{
Start: 0,
Length: 10,
},
expect: func(t *testing.T, s string) {
assert := assert.New(t)
assert.Equal(s, "bytes=0-9")
},
},
{
s: "bytes=1-10",
rg: Range{
Start: 1,
Length: 10,
},
expect: func(t *testing.T, s string) {
assert := assert.New(t)
assert.Equal(s, "bytes=1-10")
},
},
{
s: "bytes=1-0",
rg: Range{
Start: 1,
Length: 0,
},
expect: func(t *testing.T, s string) {
assert := assert.New(t)
assert.Equal(s, "bytes=1-0")
},
},
{
s: "bytes=1-1",
rg: Range{
Start: 1,
Length: 1,
},
expect: func(t *testing.T, s string) {
assert := assert.New(t)
assert.Equal(s, "bytes=1-1")
},
},
}
for _, tc := range tests {
t.Run(tc.s, func(t *testing.T) {
tc.expect(t, tc.rg.String())
})
}
}
func TestRange_URLMetaString(t *testing.T) {
tests := []struct {
s string
rg Range
expect func(t *testing.T, s string)
}{
{
s: "0-9",
rg: Range{
Start: 0,
Length: 10,
},
expect: func(t *testing.T, s string) {
assert := assert.New(t)
assert.Equal(s, "0-9")
},
},
{
s: "1-10",
rg: Range{
Start: 1,
Length: 10,
},
expect: func(t *testing.T, s string) {
assert := assert.New(t)
assert.Equal(s, "1-10")
},
},
{
s: "1-0",
rg: Range{
Start: 1,
Length: 0,
},
expect: func(t *testing.T, s string) {
assert := assert.New(t)
assert.Equal(s, "1-0")
},
},
{
s: "1-1",
rg: Range{
Start: 1,
Length: 1,
},
expect: func(t *testing.T, s string) {
assert := assert.New(t)
assert.Equal(s, "1-1")
},
},
}
for _, tc := range tests {
t.Run(tc.s, func(t *testing.T) {
tc.expect(t, tc.rg.URLMetaString())
})
}
}
func TestParseRange(t *testing.T) {
tests := []struct {
s string
size int64
rg []Range
}{
{"", 0, nil},
{"", 1000, nil},
{"foo", 0, nil},
{"bytes=", 0, nil},
{"bytes=7", 10, nil},
{"bytes= 7 ", 10, nil},
{"bytes=1-", 0, nil},
{"bytes=5-4", 10, nil},
{"bytes=0-2,5-4", 10, nil},
{"bytes=2-5,4-3", 10, nil},
{"bytes=--5,4--3", 10, nil},
{"bytes=A-", 10, nil},
{"bytes=A- ", 10, nil},
{"bytes=A-Z", 10, nil},
{"bytes= -Z", 10, nil},
{"bytes=5-Z", 10, nil},
{"bytes=Ran-dom, garbage", 10, nil},
{"bytes=0x01-0x02", 10, nil},
{"bytes= ", 10, nil},
{"bytes= , , , ", 10, nil},
{"bytes=0-9", 10, []Range{{0, 10}}},
{"bytes=0-", 10, []Range{{0, 10}}},
{"bytes=5-", 10, []Range{{5, 5}}},
{"bytes=0-20", 10, []Range{{0, 10}}},
{"bytes=15-,0-5", 10, []Range{{0, 6}}},
{"bytes=1-2,5-", 10, []Range{{1, 2}, {5, 5}}},
{"bytes=-2 , 7-", 11, []Range{{9, 2}, {7, 4}}},
{"bytes=0-0 ,2-2, 7-", 11, []Range{{0, 1}, {2, 1}, {7, 4}}},
{"bytes=-5", 10, []Range{{5, 5}}},
{"bytes=-15", 10, []Range{{0, 10}}},
{"bytes=0-499", 10000, []Range{{0, 500}}},
{"bytes=500-999", 10000, []Range{{500, 500}}},
{"bytes=-500", 10000, []Range{{9500, 500}}},
{"bytes=9500-", 10000, []Range{{9500, 500}}},
{"bytes=0-0,-1", 10000, []Range{{0, 1}, {9999, 1}}},
{"bytes=500-600,601-999", 10000, []Range{{500, 101}, {601, 399}}},
{"bytes=500-700,601-999", 10000, []Range{{500, 201}, {601, 399}}},
// Match Apache laxity:
{"bytes= 1 -2 , 4- 5, 7 - 8 , ,,", 11, []Range{{1, 2}, {4, 2}, {7, 2}}},
}
for _, tc := range tests {
rg := tc.rg
ranges, err := ParseRange(tc.s, tc.size)
if err != nil && rg != nil {
t.Errorf("ParseRange(%q) returned error %q", tc.s, err)
}
if len(ranges) != len(rg) {
t.Errorf("len(ParseRange(%q)) = %d, want %d", tc.s, len(ranges), len(rg))
continue
}
for i := range rg {
if ranges[i].Start != rg[i].Start {
t.Errorf("ParseRange(%q)[%d].Serve = %d, want %d", tc.s, i, ranges[i].Start, rg[i].Start)
}
if ranges[i].Length != rg[i].Length {
t.Errorf("ParseRange(%q)[%d].Length = %d, want %d", tc.s, i, ranges[i].Length, rg[i].Length)
}
}
}
}
func TestParseOneRange(t *testing.T) {
tests := []struct {
s string
size int64
rg Range
}{
{"bytes=0-9", 10, Range{0, 10}},
{"bytes=0-", 10, Range{0, 10}},
{"bytes=5-", 10, Range{5, 5}},
{"bytes=0-20", 10, Range{0, 10}},
{"bytes=1-2", 10, Range{1, 2}},
{"bytes=0-0", 11, Range{0, 1}},
{"bytes=-5", 10, Range{5, 5}},
{"bytes=-15", 10, Range{0, 10}},
{"bytes=0-499", 10000, Range{0, 500}},
{"bytes=500-999", 10000, Range{500, 500}},
{"bytes=-500", 10000, Range{9500, 500}},
{"bytes=9500-", 10000, Range{9500, 500}},
{"bytes=0-0", 10000, Range{0, 1}},
{"bytes=500-600", 10000, Range{500, 101}},
{"bytes=500-700", 10000, Range{500, 201}},
// Match Apache laxity:
{"bytes= 1 -2 ", 11, Range{1, 2}},
}
for _, tc := range tests {
erg := tc.rg
rg, err := ParseOneRange(tc.s, tc.size)
if err != nil {
t.Errorf("ParseOneRange(%q) returned error %q", tc.s, err)
}
if rg.Start != erg.Start {
t.Errorf("ParseOneRange(%q).Serve = %d, want %d", tc.s, rg.Start, erg.Start)
}
if rg.Length != erg.Length {
t.Errorf("ParseOneRange(%q).Length = %d, want %d", tc.s, rg.Length, erg.Length)
}
}
}
func TestParseURLMetaRange(t *testing.T) {
tests := []struct {
s string
size int64
expect func(t *testing.T, rg Range, err error)
}{
{
s: "0-65575",
size: 65576,
expect: func(t *testing.T, rg Range, err error) {
assert := assert.New(t)
assert.NoError(err)
assert.EqualValues(rg, Range{
Start: 0,
Length: 65576,
})
},
},
{
s: "2-2",
size: 65576,
expect: func(t *testing.T, rg Range, err error) {
assert := assert.New(t)
assert.NoError(err)
assert.EqualValues(rg, Range{
Start: 2,
Length: 1,
})
},
},
{
s: "2-",
size: 65576,
expect: func(t *testing.T, rg Range, err error) {
assert := assert.New(t)
assert.NoError(err)
assert.EqualValues(rg, Range{
Start: 2,
Length: 65574,
})
},
},
{
s: "-100",
size: 65576,
expect: func(t *testing.T, rg Range, err error) {
assert := assert.New(t)
assert.NoError(err)
assert.EqualValues(rg, Range{
Start: 65476,
Length: 100,
})
},
},
{
s: "0-66575",
size: 65576,
expect: func(t *testing.T, rg Range, err error) {
assert := assert.New(t)
assert.NoError(err)
assert.EqualValues(rg, Range{
Start: 0,
Length: 65576,
})
},
},
{
s: "0-65-575",
size: 65576,
expect: func(t *testing.T, rg Range, err error) {
assert := assert.New(t)
assert.Error(err)
},
},
{
s: "0-hello",
size: 65576,
expect: func(t *testing.T, rg Range, err error) {
assert := assert.New(t)
assert.Error(err)
},
},
{
s: "65575-0",
size: 65576,
expect: func(t *testing.T, rg Range, err error) {
assert := assert.New(t)
assert.Error(err)
},
},
{
s: "-1-8",
size: 65576,
expect: func(t *testing.T, rg Range, err error) {
assert := assert.New(t)
assert.Error(err)
},
},
}
for _, tc := range tests {
t.Run(tc.s, func(t *testing.T) {
rg, err := ParseURLMetaRange(tc.s, tc.size)
tc.expect(t, rg, err)
})
}
}