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magic_test.go
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magic_test.go
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package magic
import (
"testing"
"github.com/stretchr/testify/require"
"gotest.tools/assert"
)
func TestLookup(t *testing.T) {
fileType, err := Lookup([]byte{0xa1, 0xb2, 0xc3, 0xd4, 0x00, 0x00, 0x00, 0x00})
require.Nil(t, err)
assert.Equal(t, fileType.Extension, "pcap")
}
func TestNestedLookup(t *testing.T) {
fileType, err := Lookup([]byte{0x52, 0x49, 0x46, 0x46, 0, 0, 0, 0, 0x57, 0x41, 0x56, 0x45})
require.Nil(t, err)
assert.Equal(t, fileType.Extension, "wav")
}
func TestLookupWithConfig(t *testing.T) {
payload := []byte{31, 139, 8, 0, 130, 139, 110, 100, 2, 255, 61, 143, 65, 14, 131, 32, 20, 68, 247}
workerCounts := []int{-1, 0, 1, 2, 10000}
lookupConfigs := func(counts []int) []LookupConfig {
configs := make([]LookupConfig, len(workerCounts)*2)
for i := 0; i < len(counts)*2; i++ {
configs[i] = LookupConfig{
WorkerCount: counts[i%len(counts)],
}
if i < len(counts) {
configs[i].ConcurrencyEnabled = true
}
}
return configs
}(workerCounts)
for _, config := range lookupConfigs {
fileType, err := LookupWithConfig(payload, config)
require.Nil(t, err)
assert.Equal(t, fileType.Extension, "gz")
}
}
func TestLookupSync(t *testing.T) {
fileType, err := LookupSync([]byte{0xa1, 0xb2, 0xc3, 0xd4, 0x00, 0x00, 0x00, 0x00})
require.Nil(t, err)
assert.Equal(t, fileType.Extension, "pcap")
}
func TestNestedLookupSync(t *testing.T) {
fileType, err := LookupSync([]byte{0x52, 0x49, 0x46, 0x46, 0, 0, 0, 0, 0x57, 0x41, 0x56, 0x45})
require.Nil(t, err)
assert.Equal(t, fileType.Extension, "wav")
}
func TestLookupWithOffset(t *testing.T) {
fileType, err := Lookup([]byte{0x00, 0x00, 0x00, 0x20, 0x66, 0x74, 0x79, 0x70, 0x33, 0x67, 0x97})
require.Nil(t, err)
assert.Equal(t, fileType.Extension, "3gp")
}