153 lines
4.5 KiB
Go
153 lines
4.5 KiB
Go
|
/*
|
||
|
* Minio Cloud Storage, (C) 2017 Minio, Inc.
|
||
|
*
|
||
|
* 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 hash
|
||
|
|
||
|
import (
|
||
|
"bytes"
|
||
|
"encoding/hex"
|
||
|
"io"
|
||
|
"io/ioutil"
|
||
|
"testing"
|
||
|
)
|
||
|
|
||
|
// Tests functions like Size(), MD5*(), SHA256*()
|
||
|
func TestHashReaderHelperMethods(t *testing.T) {
|
||
|
r, err := NewReader(bytes.NewReader([]byte("abcd")), 4, "e2fc714c4727ee9395f324cd2e7f331f", "88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589")
|
||
|
if err != nil {
|
||
|
t.Fatal(err)
|
||
|
}
|
||
|
_, err = io.Copy(ioutil.Discard, r)
|
||
|
if err != nil {
|
||
|
t.Fatal(err)
|
||
|
}
|
||
|
if r.MD5HexString() != "e2fc714c4727ee9395f324cd2e7f331f" {
|
||
|
t.Errorf("Expected md5hex \"e2fc714c4727ee9395f324cd2e7f331f\", got %s", r.MD5HexString())
|
||
|
}
|
||
|
if r.SHA256HexString() != "88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589" {
|
||
|
t.Errorf("Expected sha256hex \"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589\", got %s", r.SHA256HexString())
|
||
|
}
|
||
|
if r.Size() != 4 {
|
||
|
t.Errorf("Expected size 4, got %d", r.Size())
|
||
|
}
|
||
|
expectedMD5, err := hex.DecodeString("e2fc714c4727ee9395f324cd2e7f331f")
|
||
|
if err != nil {
|
||
|
t.Fatal(err)
|
||
|
}
|
||
|
if !bytes.Equal(r.MD5(), expectedMD5) {
|
||
|
t.Errorf("Expected md5hex \"e2fc714c4727ee9395f324cd2e7f331f\", got %s", r.MD5HexString())
|
||
|
}
|
||
|
expectedSHA256, err := hex.DecodeString("88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589")
|
||
|
if !bytes.Equal(r.SHA256(), expectedSHA256) {
|
||
|
t.Errorf("Expected md5hex \"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589\", got %s", r.SHA256HexString())
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Tests hash reader checksum verification.
|
||
|
func TestHashReaderVerification(t *testing.T) {
|
||
|
testCases := []struct {
|
||
|
src io.Reader
|
||
|
size int64
|
||
|
md5hex, sha256hex string
|
||
|
err error
|
||
|
}{
|
||
|
// Success, no checksum verification provided.
|
||
|
{
|
||
|
src: bytes.NewReader([]byte("abcd")),
|
||
|
size: 4,
|
||
|
},
|
||
|
// Failure md5 mismatch.
|
||
|
{
|
||
|
src: bytes.NewReader([]byte("abcd")),
|
||
|
size: 4,
|
||
|
md5hex: "d41d8cd98f00b204e9800998ecf8427f",
|
||
|
err: BadDigest{
|
||
|
"d41d8cd98f00b204e9800998ecf8427f",
|
||
|
"e2fc714c4727ee9395f324cd2e7f331f",
|
||
|
},
|
||
|
},
|
||
|
// Failure sha256 mismatch.
|
||
|
{
|
||
|
src: bytes.NewReader([]byte("abcd")),
|
||
|
size: 4,
|
||
|
sha256hex: "88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031580",
|
||
|
err: SHA256Mismatch{
|
||
|
"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031580",
|
||
|
"88d4266fd4e6338d13b845fcf289579d209c897823b9217da3e161936f031589",
|
||
|
},
|
||
|
},
|
||
|
}
|
||
|
for i, testCase := range testCases {
|
||
|
r, err := NewReader(testCase.src, testCase.size, testCase.md5hex, testCase.sha256hex)
|
||
|
if err != nil {
|
||
|
t.Fatalf("Test %d: Initializing reader failed %s", i+1, err)
|
||
|
}
|
||
|
_, err = io.Copy(ioutil.Discard, r)
|
||
|
if err != nil {
|
||
|
if err.Error() != testCase.err.Error() {
|
||
|
t.Errorf("Test %d: Expected error %s, got error %s", i+1, testCase.err, err)
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
// Tests NewReader() constructor with invalid arguments.
|
||
|
func TestHashReaderInvalidArguments(t *testing.T) {
|
||
|
testCases := []struct {
|
||
|
src io.Reader
|
||
|
size int64
|
||
|
md5hex, sha256hex string
|
||
|
success bool
|
||
|
}{
|
||
|
// Invalid md5sum NewReader() will fail.
|
||
|
{
|
||
|
src: bytes.NewReader([]byte("abcd")),
|
||
|
size: 4,
|
||
|
md5hex: "invalid-md5",
|
||
|
success: false,
|
||
|
},
|
||
|
// Invalid sha256 NewReader() will fail.
|
||
|
{
|
||
|
src: bytes.NewReader([]byte("abcd")),
|
||
|
size: 4,
|
||
|
sha256hex: "invalid-sha256",
|
||
|
success: false,
|
||
|
},
|
||
|
// Nested hash reader NewReader() will fail.
|
||
|
{
|
||
|
src: &Reader{src: bytes.NewReader([]byte("abcd"))},
|
||
|
size: 4,
|
||
|
success: false,
|
||
|
},
|
||
|
// Expected inputs, NewReader() will succeed.
|
||
|
{
|
||
|
src: bytes.NewReader([]byte("abcd")),
|
||
|
size: 4,
|
||
|
success: true,
|
||
|
},
|
||
|
}
|
||
|
|
||
|
for i, testCase := range testCases {
|
||
|
_, err := NewReader(testCase.src, testCase.size, testCase.md5hex, testCase.sha256hex)
|
||
|
if err != nil && testCase.success {
|
||
|
t.Errorf("Test %d: Expected success, but got error %s instead", i+1, err)
|
||
|
}
|
||
|
if err == nil && !testCase.success {
|
||
|
t.Errorf("Test %d: Expected error, but got success", i+1)
|
||
|
}
|
||
|
}
|
||
|
}
|