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common_test.go
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package parse
import (
"encoding/base64"
"mime"
"net/url"
"regexp"
"testing"
"github.com/tdewolff/test"
)
var entitySlices [][]byte
var encodedURLSlices [][]byte
var urlSlices [][]byte
func init() {
entitySlices = helperRandStrings(100, 5, []string{""", "'", "'", " ", " ", "test"})
encodedURLSlices = helperRandStrings(100, 5, []string{"%20", "%3D", "test"})
urlSlices = helperRandStrings(100, 5, []string{"~", "\"", "<", "test"})
}
func TestParseNumber(t *testing.T) {
var numberTests = []struct {
number string
expected int
}{
{"5", 1},
{"0.51", 4},
{"0.5e-99", 7},
{"0.5e-", 3},
{"+50.0", 5},
{".0", 2},
{"0.", 1},
{"", 0},
{"+", 0},
{".", 0},
{"a", 0},
}
for _, tt := range numberTests {
t.Run(tt.number, func(t *testing.T) {
n := Number([]byte(tt.number))
test.T(t, n, tt.expected)
})
}
}
func TestParseDimension(t *testing.T) {
var dimensionTests = []struct {
dimension string
expectedNum int
expectedUnit int
}{
{"5px", 1, 2},
{"5px ", 1, 2},
{"5%", 1, 1},
{"5em", 1, 2},
{"px", 0, 0},
{"1", 1, 0},
{"1~", 1, 0},
}
for _, tt := range dimensionTests {
t.Run(tt.dimension, func(t *testing.T) {
num, unit := Dimension([]byte(tt.dimension))
test.T(t, num, tt.expectedNum, "number")
test.T(t, unit, tt.expectedUnit, "unit")
})
}
}
func TestMediatype(t *testing.T) {
var mediatypeTests = []struct {
mediatype string
expectedMimetype string
expectedParams map[string]string
}{
{"text/plain", "text/plain", nil},
{"text/plain;charset=US-ASCII", "text/plain", map[string]string{"charset": "US-ASCII"}},
{" text/plain ; charset = US-ASCII ", "text/plain", map[string]string{"charset": "US-ASCII"}},
{" text/plain a", "text/plain", nil},
{"text/plain;base64", "text/plain", map[string]string{"base64": ""}},
{"text/plain;inline=;base64", "text/plain", map[string]string{"inline": "", "base64": ""}},
{"ÿ ", "ÿ ", nil}, // OSS-Fuzz; ÿ is two bytes in UTF8
{"ÿ ;", "ÿ ", map[string]string{"": ""}},
}
for _, tt := range mediatypeTests {
t.Run(tt.mediatype, func(t *testing.T) {
mimetype, params := Mediatype([]byte(tt.mediatype))
test.String(t, string(mimetype), tt.expectedMimetype, "mimetype")
test.T(t, params, tt.expectedParams, "parameters") // TODO
})
}
}
func TestParseDataURI(t *testing.T) {
var dataURITests = []struct {
dataURI string
expectedMimetype string
expectedData string
expectedErr error
}{
{"www.domain.com", "", "", ErrBadDataURI},
{"data:,", "text/plain", "", nil},
{"data:text/xml,", "text/xml", "", nil},
{"data:,text", "text/plain", "text", nil},
{"data:;base64,dGV4dA==", "text/plain", "text", nil},
{"data:image/svg+xml,", "image/svg+xml", "", nil},
{"data:;base64,()", "", "", base64.CorruptInputError(0)},
{"data:image/svg+xml,%3Cpath%20stroke-width='9.38%'/%3E", "image/svg+xml", "<path stroke-width='9.38%'/>", nil},
{"data:,%ii", "text/plain", "%ii", nil},
{"data:image/svg+xml,%e2%ad%90", "image/svg+xml", "\u2b50", nil},
}
for _, tt := range dataURITests {
t.Run(tt.dataURI, func(t *testing.T) {
mimetype, data, err := DataURI([]byte(tt.dataURI))
test.T(t, err, tt.expectedErr)
test.String(t, string(mimetype), tt.expectedMimetype, "mimetype")
test.String(t, string(data), tt.expectedData, "data")
})
}
}
func TestParseQuoteEntity(t *testing.T) {
var quoteEntityTests = []struct {
quoteEntity string
expectedQuote byte
expectedN int
}{
{""", '"', 5},
{"'", '\'', 6},
{""", '"', 8},
{"'", '\'', 6},
{""", '"', 6},
{"'", '\'', 6},
{">", 0x00, 0},
{"&", 0x00, 0},
}
for _, tt := range quoteEntityTests {
t.Run(tt.quoteEntity, func(t *testing.T) {
quote, n := QuoteEntity([]byte(tt.quoteEntity))
test.T(t, quote, tt.expectedQuote, "quote")
test.T(t, n, tt.expectedN, "quote length")
})
}
}
func TestReplaceMultipleWhitespace(t *testing.T) {
test.Bytes(t, ReplaceMultipleWhitespace([]byte(" a")), []byte(" a"))
test.Bytes(t, ReplaceMultipleWhitespace([]byte("a ")), []byte("a "))
test.Bytes(t, ReplaceMultipleWhitespace([]byte("a b ")), []byte("a b "))
test.Bytes(t, ReplaceMultipleWhitespace([]byte(" a b ")), []byte(" a b "))
test.Bytes(t, ReplaceMultipleWhitespace([]byte(" a b ")), []byte(" a b "))
test.Bytes(t, ReplaceMultipleWhitespace([]byte(" a b ")), []byte(" a b "))
test.Bytes(t, ReplaceMultipleWhitespace([]byte(" a")), []byte(" a"))
test.Bytes(t, ReplaceMultipleWhitespace([]byte("a b")), []byte("a b"))
}
func TestReplaceMultipleWhitespaceRandom(t *testing.T) {
wsRegexp := regexp.MustCompile("[ \t\f]+")
wsNewlinesRegexp := regexp.MustCompile("[ ]*[\r\n][ \r\n]*")
for _, e := range wsSlices {
reference := wsRegexp.ReplaceAll(e, []byte(" "))
reference = wsNewlinesRegexp.ReplaceAll(reference, []byte("\n"))
test.Bytes(t, ReplaceMultipleWhitespace(Copy(e)), reference, "in '"+string(e)+"'")
}
}
func TestReplaceEntities(t *testing.T) {
entitiesMap := map[string][]byte{
"varphi": []byte("ϕ"),
"varpi": []byte("ϖ"),
"quot": []byte("\""),
"apos": []byte("'"),
"amp": []byte("&"),
}
revEntitiesMap := map[byte][]byte{
'\'': []byte("'"),
}
var entityTests = []struct {
entity string
expected string
}{
{""", `"`},
{"'", `'`},
{""", `"`},
{"'", `'`},
{" ", ` `},
{""", `"`},
{"'", `'`},
{"⏧", `⏧`},
{"⏧", `⏧`},
{"⏧", `⏧`},
{"⏧", `⏧`},
{"✏", `✏`},
{"✐", `✐`},
{"'"", `'"`},
{""", `"`},
{""", `"`},
{"&apos", `&apos`},
{"&", `&`},
{"'", `'`},
{"&amp;", `&amp;`},
{"&#34;", `&#34;`},
//{"&a mp;", `&a mp;`},
{"&DiacriticalAcute;", `&DiacriticalAcute;`},
{"&CounterClockwiseContourIntegral;", `&CounterClockwiseContourIntegral;`},
//{"&CounterClockwiseContourIntegralL;", `&CounterClockwiseContourIntegralL;`},
{"&parameterize", `&parameterize`},
{"ϕ", "ϕ"},
{"ϖ", "ϖ"},
{"&varnone;", "&varnone;"},
}
for _, tt := range entityTests {
t.Run(tt.entity, func(t *testing.T) {
b := ReplaceEntities([]byte(tt.entity), entitiesMap, revEntitiesMap)
test.T(t, string(b), tt.expected, "in '"+tt.entity+"'")
})
}
}
func TestReplaceEntitiesRandom(t *testing.T) {
entitiesMap := map[string][]byte{
"quot": []byte("\""),
"apos": []byte("'"),
}
revEntitiesMap := map[byte][]byte{
'\'': []byte("'"),
}
quotRegexp := regexp.MustCompile(""")
aposRegexp := regexp.MustCompile("('|')")
for _, e := range entitySlices {
reference := quotRegexp.ReplaceAll(e, []byte("\""))
reference = aposRegexp.ReplaceAll(reference, []byte("'"))
test.Bytes(t, ReplaceEntities(Copy(e), entitiesMap, revEntitiesMap), reference, "in '"+string(e)+"'")
}
}
func TestReplaceMultipleWhitespaceAndEntities(t *testing.T) {
entitiesMap := map[string][]byte{
"varphi": []byte("ϕ"),
}
var entityTests = []struct {
entity string
expected string
}{
{" ", " "},
{" & a ", " & a "},
{" ´ a ", " ´ a "},
{"\n Lorem & ipsum\n dolor sid amet\n", "\nLorem & ipsum\ndolor sid amet\n"},
{" ϕ " \n ", " ϕ \"\n"},
}
for _, tt := range entityTests {
t.Run(tt.entity, func(t *testing.T) {
b := ReplaceMultipleWhitespaceAndEntities([]byte(tt.entity), entitiesMap, nil)
test.T(t, string(b), tt.expected, "in '"+tt.entity+"'")
})
}
}
func TestReplaceMultipleWhitespaceAndEntitiesRandom(t *testing.T) {
entitiesMap := map[string][]byte{
"quot": []byte("\""),
"apos": []byte("'"),
}
revEntitiesMap := map[byte][]byte{
'\'': []byte("'"),
}
wsRegexp := regexp.MustCompile("[ ]+")
quotRegexp := regexp.MustCompile(""")
aposRegexp := regexp.MustCompile("('|')")
for _, e := range entitySlices {
reference := wsRegexp.ReplaceAll(e, []byte(" "))
reference = quotRegexp.ReplaceAll(reference, []byte("\""))
reference = aposRegexp.ReplaceAll(reference, []byte("'"))
test.Bytes(t, ReplaceMultipleWhitespaceAndEntities(Copy(e), entitiesMap, revEntitiesMap), reference, "in '"+string(e)+"'")
}
}
func TestDecodeURL(t *testing.T) {
var urlTests = []struct {
url string
expected string
}{
{"%20%3F%7E", " ?~"},
{"%80", "\x80"},
{"%2B%2b", "++"},
{"%' ", "%' "},
{"a+b", "a b"},
}
for _, tt := range urlTests {
t.Run(tt.url, func(t *testing.T) {
b := DecodeURL([]byte(tt.url))
test.T(t, string(b), tt.expected, "in '"+tt.url+"'")
})
}
}
func TestDecodeURLRandom(t *testing.T) {
for _, e := range encodedURLSlices {
reference, _ := url.QueryUnescape(string(e))
test.Bytes(t, DecodeURL(Copy(e)), []byte(reference), "in '"+string(e)+"'")
}
}
func TestEncodeURL(t *testing.T) {
var urlTests = []struct {
url string
expected string
}{
{"AZaz09-_.!~*'()", "AZaz09-_.!~*'()"},
{"<>", "%3C%3E"},
{"\u2318", "%E2%8C%98"},
{"a b", "a%20b"},
}
for _, tt := range urlTests {
t.Run(tt.url, func(t *testing.T) {
b := EncodeURL([]byte(tt.url), URLEncodingTable)
test.T(t, string(b), tt.expected, "in '"+tt.url+"'")
})
}
}
func TestEncodeDataURI(t *testing.T) {
var urlTests = []struct {
url string
expected string
}{
{`<svg xmlns="http://www.w3.org/2000/svg"></svg>`, `%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%3E%3C/svg%3E`},
}
for _, tt := range urlTests {
t.Run(tt.url, func(t *testing.T) {
b := EncodeURL([]byte(tt.url), DataURIEncodingTable)
test.T(t, string(b), tt.expected, "in '"+tt.url+"'")
})
}
}
func TestEncodeURLRandom(t *testing.T) {
for _, e := range urlSlices {
reference := url.QueryEscape(string(e))
test.Bytes(t, EncodeURL(Copy(e), URLEncodingTable), []byte(reference), "in '"+string(e)+"'")
}
}
////////////////////////////////////////////////////////////////
func BenchmarkParseMediatypeStd(b *testing.B) {
mediatype := "text/plain"
for i := 0; i < b.N; i++ {
mime.ParseMediaType(mediatype)
}
}
func BenchmarkParseMediatypeParamStd(b *testing.B) {
mediatype := "text/plain;inline=1"
for i := 0; i < b.N; i++ {
mime.ParseMediaType(mediatype)
}
}
func BenchmarkParseMediatypeParamsStd(b *testing.B) {
mediatype := "text/plain;charset=US-ASCII;language=US-EN;compression=gzip;base64"
for i := 0; i < b.N; i++ {
mime.ParseMediaType(mediatype)
}
}
func BenchmarkParseMediatypeParse(b *testing.B) {
mediatype := []byte("text/plain")
for i := 0; i < b.N; i++ {
Mediatype(mediatype)
}
}
func BenchmarkParseMediatypeParamParse(b *testing.B) {
mediatype := []byte("text/plain;inline=1")
for i := 0; i < b.N; i++ {
Mediatype(mediatype)
}
}
func BenchmarkParseMediatypeParamsParse(b *testing.B) {
mediatype := []byte("text/plain;charset=US-ASCII;language=US-EN;compression=gzip;base64")
for i := 0; i < b.N; i++ {
Mediatype(mediatype)
}
}
func BenchmarkReplaceMultipleWhitespace(b *testing.B) {
for i := 0; i < b.N; i++ {
for _, e := range wsSlices {
ReplaceMultipleWhitespace(e)
}
}
}