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package filetype
import (
"bytes"
"io"
"io/ioutil"
"testing"
"gopkg.in/h2non/filetype.v1/matchers"
"gopkg.in/h2non/filetype.v1/types"
)
func TestMatch(t *testing.T) {
cases := []struct {
buf []byte
ext string
}{
{[]byte{0xFF, 0xD8, 0xFF}, "jpg"},
{[]byte{0xFF, 0xD8, 0x00}, "unknown"},
{[]byte{0x89, 0x50, 0x4E, 0x47}, "png"},
}
for _, test := range cases {
match, err := Match(test.buf)
if err != nil {
t.Fatalf("Error: %s", err)
}
if match.Extension != test.ext {
t.Fatalf("Invalid image type: %s != %s", match.Extension, test.ext)
}
}
}
func TestMatchFile(t *testing.T) {
cases := []struct {
ext string
}{
{"gif"},
{"jpg"},
{"png"},
{"zip"},
{"tar"},
{"tif"},
{"mp4"},
}
for _, test := range cases {
kind, _ := MatchFile("./fixtures/sample." + test.ext)
if kind.Extension != test.ext {
t.Fatalf("Invalid image type: %s != %s", kind.Extension, test.ext)
}
}
}
func TestMatchReader(t *testing.T) {
cases := []struct {
buf io.Reader
ext string
}{
{bytes.NewBuffer([]byte{0xFF, 0xD8, 0xFF}), "jpg"},
{bytes.NewBuffer([]byte{0xFF, 0xD8, 0x00}), "unknown"},
{bytes.NewBuffer([]byte{0x89, 0x50, 0x4E, 0x47}), "png"},
}
for _, test := range cases {
match, err := MatchReader(test.buf)
if err != nil {
t.Fatalf("Error: %s", err)
}
if match.Extension != test.ext {
t.Fatalf("Invalid image type: %s", match.Extension)
}
}
}
func TestMatches(t *testing.T) {
cases := []struct {
buf []byte
match bool
}{
{[]byte{0xFF, 0xD8, 0xFF}, true},
{[]byte{0xFF, 0x0, 0x0}, false},
{[]byte{0x89, 0x50, 0x4E, 0x47}, true},
}
for _, test := range cases {
if Matches(test.buf) != test.match {
t.Fatalf("Do not matches: %#v", test.buf)
}
}
}
func TestAddMatcher(t *testing.T) {
fileType := AddType("foo", "foo/foo")
AddMatcher(fileType, func(buf []byte) bool {
return len(buf) == 2 && buf[0] == 0x00 && buf[1] == 0x00
})
if !Is([]byte{0x00, 0x00}, "foo") {
t.Fatalf("Type cannot match")
}
if !IsSupported("foo") {
t.Fatalf("Not supported extension")
}
if !IsMIMESupported("foo/foo") {
t.Fatalf("Not supported MIME type")
}
}
func TestMatchMap(t *testing.T) {
cases := []struct {
buf []byte
kind types.Type
}{
{[]byte{0xFF, 0xD8, 0xFF}, types.Get("jpg")},
{[]byte{0x89, 0x50, 0x4E, 0x47}, types.Get("png")},
{[]byte{0xFF, 0x0, 0x0}, Unknown},
}
for _, test := range cases {
if kind := MatchMap(test.buf, matchers.Image); kind != test.kind {
t.Fatalf("Do not matches: %#v", test.buf)
}
}
}
func TestMatchesMap(t *testing.T) {
cases := []struct {
buf []byte
match bool
}{
{[]byte{0xFF, 0xD8, 0xFF}, true},
{[]byte{0x89, 0x50, 0x4E, 0x47}, true},
{[]byte{0xFF, 0x0, 0x0}, false},
}
for _, test := range cases {
if match := MatchesMap(test.buf, matchers.Image); match != test.match {
t.Fatalf("Do not matches: %#v", test.buf)
}
}
}
//
// Benchmarks
//
var tarBuffer, _ = ioutil.ReadFile("./fixtures/sample.tar")
var zipBuffer, _ = ioutil.ReadFile("./fixtures/sample.zip")
var jpgBuffer, _ = ioutil.ReadFile("./fixtures/sample.jpg")
var gifBuffer, _ = ioutil.ReadFile("./fixtures/sample.gif")
var pngBuffer, _ = ioutil.ReadFile("./fixtures/sample.png")
func BenchmarkMatchTar(b *testing.B) {
for n := 0; n < b.N; n++ {
Match(tarBuffer)
}
}
func BenchmarkMatchZip(b *testing.B) {
for n := 0; n < b.N; n++ {
Match(zipBuffer)
}
}
func BenchmarkMatchJpeg(b *testing.B) {
for n := 0; n < b.N; n++ {
Match(jpgBuffer)
}
}
func BenchmarkMatchGif(b *testing.B) {
for n := 0; n < b.N; n++ {
Match(gifBuffer)
}
}
func BenchmarkMatchPng(b *testing.B) {
for n := 0; n < b.N; n++ {
Match(pngBuffer)
}
}
|
