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minio/object-api-getobjectinfo_te...

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/*
* Minio Cloud Storage, (C) 2016 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 main
import (
"bytes"
"crypto/md5"
"encoding/hex"
"io"
"io/ioutil"
"os"
"strconv"
"testing"
)
// Wrapper for calling GetObjectInfo tests for both XL multiple disks and single node setup.
func TestGetObjectInfo(t *testing.T) {
ExecObjectLayerTest(t, testGetObjectInfo)
}
// Testing GetObjectInfo().
func testGetObjectInfo(obj ObjectLayer, instanceType string, t *testing.T) {
// This bucket is used for testing getObjectInfo operations.
err := obj.MakeBucket("test-getobjectinfo")
if err != nil {
t.Fatalf("%s : %s", instanceType, err.Error())
}
_, err = obj.PutObject("test-getobjectinfo", "Asia/asiapics.jpg", int64(len("asiapics")), bytes.NewBufferString("asiapics"), nil)
if err != nil {
t.Fatalf("%s : %s", instanceType, err.Error())
}
resultCases := []ObjectInfo{
// ObjectInfo -1.
// ObjectName set to a existing object in the test case (Test case 14).
{Bucket: "test-getobjectinfo", Name: "Asia/asiapics.jpg", ContentType: "image/jpeg", IsDir: false},
}
testCases := []struct {
bucketName string
objectName string
// Expected output of GetObjectInfo.
result ObjectInfo
err error
// Flag indicating whether the test is expected to pass or not.
shouldPass bool
}{
// Test cases with invalid bucket names ( Test number 1-4 ).
{".test", "", ObjectInfo{}, BucketNameInvalid{Bucket: ".test"}, false},
{"Test", "", ObjectInfo{}, BucketNameInvalid{Bucket: "Test"}, false},
{"---", "", ObjectInfo{}, BucketNameInvalid{Bucket: "---"}, false},
{"ad", "", ObjectInfo{}, BucketNameInvalid{Bucket: "ad"}, false},
// Test cases with valid but non-existing bucket names (Test number 5-7).
{"abcdefgh", "abc", ObjectInfo{}, BucketNotFound{Bucket: "abcdefgh"}, false},
{"ijklmnop", "efg", ObjectInfo{}, BucketNotFound{Bucket: "ijklmnop"}, false},
// Test cases with valid but non-existing bucket names and invalid object name (Test number 8-9).
{"test-getobjectinfo", "", ObjectInfo{}, ObjectNameInvalid{Bucket: "test-getobjectinfo", Object: ""}, false},
{"test-getobjectinfo", "", ObjectInfo{}, ObjectNameInvalid{Bucket: "test-getobjectinfo", Object: ""}, false},
// Test cases with non-existing object name with existing bucket (Test number 10-12).
{"test-getobjectinfo", "Africa", ObjectInfo{}, ObjectNotFound{Bucket: "test-getobjectinfo", Object: "Africa"}, false},
{"test-getobjectinfo", "Antartica", ObjectInfo{}, ObjectNotFound{Bucket: "test-getobjectinfo", Object: "Antartica"}, false},
{"test-getobjectinfo", "Asia/myfile", ObjectInfo{}, ObjectNotFound{Bucket: "test-getobjectinfo", Object: "Asia/myfile"}, false},
// Test case with existing bucket but object name set to a directory (Test number 13).
{"test-getobjectinfo", "Asia", ObjectInfo{}, ObjectNotFound{Bucket: "test-getobjectinfo", Object: "Asia"}, false},
// Valid case with existing object (Test number 14).
{"test-getobjectinfo", "Asia/asiapics.jpg", resultCases[0], nil, true},
}
for i, testCase := range testCases {
result, err := obj.GetObjectInfo(testCase.bucketName, testCase.objectName)
if err != nil && testCase.shouldPass {
t.Errorf("Test %d: %s: Expected to pass, but failed with: <ERROR> %s", i+1, instanceType, err.Error())
}
if err == nil && !testCase.shouldPass {
t.Errorf("Test %d: %s: Expected to fail with <ERROR> \"%s\", but passed instead", i+1, instanceType, testCase.err.Error())
}
// Failed as expected, but does it fail for the expected reason.
if err != nil && !testCase.shouldPass {
if testCase.err.Error() != err.Error() {
t.Errorf("Test %d: %s: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead", i+1, instanceType, testCase.err.Error(), err.Error())
}
}
// Test passes as expected, but the output values are verified for correctness here.
if err == nil && testCase.shouldPass {
if testCase.result.Bucket != result.Bucket {
t.Fatalf("Test %d: %s: Expected Bucket name to be '%s', but found '%s' instead", i+1, instanceType, testCase.result.Bucket, result.Bucket)
}
if testCase.result.Name != result.Name {
t.Errorf("Test %d: %s: Expected Object name to be %s, but instead found it to be %s", i+1, instanceType, testCase.result.Name, result.Name)
}
if testCase.result.ContentType != result.ContentType {
t.Errorf("Test %d: %s: Expected Content Type of the object to be %v, but instead found it to be %v", i+1, instanceType, testCase.result.ContentType, result.ContentType)
}
if testCase.result.IsDir != result.IsDir {
t.Errorf("Test %d: %s: Expected IsDir flag of the object to be %v, but instead found it to be %v", i+1, instanceType, testCase.result.IsDir, result.IsDir)
}
}
}
}
func BenchmarkGetObject(b *testing.B) {
// Make a temporary directory to use as the obj.
directory, err := ioutil.TempDir("", "minio-benchmark-getobject")
if err != nil {
b.Fatal(err)
}
defer os.RemoveAll(directory)
// Create the obj.
obj, err := newFSObjects(directory)
if err != nil {
b.Fatal(err)
}
// Make a bucket and put in a few objects.
err = obj.MakeBucket("bucket")
if err != nil {
b.Fatal(err)
}
text := "Jack and Jill went up the hill / To fetch a pail of water."
hasher := md5.New()
hasher.Write([]byte(text))
metadata := make(map[string]string)
for i := 0; i < 10; i++ {
metadata["md5Sum"] = hex.EncodeToString(hasher.Sum(nil))
_, err = obj.PutObject("bucket", "object"+strconv.Itoa(i), int64(len(text)), bytes.NewBufferString(text), metadata)
if err != nil {
b.Fatal(err)
}
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
var buffer = new(bytes.Buffer)
r, err := obj.GetObject("bucket", "object"+strconv.Itoa(i%10), 0)
if err != nil {
b.Error(err)
}
if _, err := io.Copy(buffer, r); err != nil {
b.Error(err)
}
if buffer.Len() != len(text) {
b.Errorf("GetObject returned incorrect length %d (should be %d)\n", buffer.Len(), len(text))
}
r.Close()
}
}