Initial commit based on https://github.com/minio/minio/releases/tag/RELEASE.2020-07-02T00-15-09Z

cmd/fs-v1-metadata_test.go

@@ -0,0 +1,160 @@
+/*
+ * 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 cmd
+
+import (
+	"bytes"
+	"os"
+	"path/filepath"
+	"reflect"
+	"testing"
+)
+
+// Tests ToObjectInfo function.
+func TestFSV1MetadataObjInfo(t *testing.T) {
+	fsMeta := newFSMetaV1()
+	objInfo := fsMeta.ToObjectInfo("testbucket", "testobject", nil)
+	if objInfo.Size != 0 {
+		t.Fatal("Unexpected object info value for Size", objInfo.Size)
+	}
+	if objInfo.ModTime != timeSentinel {
+		t.Fatal("Unexpected object info value for ModTime ", objInfo.ModTime)
+	}
+	if objInfo.IsDir {
+		t.Fatal("Unexpected object info value for IsDir", objInfo.IsDir)
+	}
+	if !objInfo.Expires.IsZero() {
+		t.Fatal("Unexpected object info value for Expires ", objInfo.Expires)
+	}
+}
+
+// TestReadFSMetadata - readFSMetadata testing with a healthy and faulty disk
+func TestReadFSMetadata(t *testing.T) {
+	disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
+	defer os.RemoveAll(disk)
+
+	obj := initFSObjects(disk, t)
+	fs := obj.(*FSObjects)
+
+	bucketName := "bucket"
+	objectName := "object"
+
+	if err := obj.MakeBucketWithLocation(GlobalContext, bucketName, "", false); err != nil {
+		t.Fatal("Unexpected err: ", err)
+	}
+	if _, err := obj.PutObject(GlobalContext, bucketName, objectName, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), ObjectOptions{}); err != nil {
+		t.Fatal("Unexpected err: ", err)
+	}
+
+	// Construct the full path of fs.json
+	fsPath := pathJoin(bucketMetaPrefix, bucketName, objectName, "fs.json")
+	fsPath = pathJoin(fs.fsPath, minioMetaBucket, fsPath)
+
+	rlk, err := fs.rwPool.Open(fsPath)
+	if err != nil {
+		t.Fatal("Unexpected error ", err)
+	}
+	defer rlk.Close()
+
+	// Regular fs metadata reading, no errors expected
+	fsMeta := fsMetaV1{}
+	if _, err = fsMeta.ReadFrom(GlobalContext, rlk.LockedFile); err != nil {
+		t.Fatal("Unexpected error ", err)
+	}
+}
+
+// TestWriteFSMetadata - tests of writeFSMetadata with healthy disk.
+func TestWriteFSMetadata(t *testing.T) {
+	disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
+	defer os.RemoveAll(disk)
+
+	obj := initFSObjects(disk, t)
+	fs := obj.(*FSObjects)
+
+	bucketName := "bucket"
+	objectName := "object"
+
+	if err := obj.MakeBucketWithLocation(GlobalContext, bucketName, "", false); err != nil {
+		t.Fatal("Unexpected err: ", err)
+	}
+	if _, err := obj.PutObject(GlobalContext, bucketName, objectName, mustGetPutObjReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), ObjectOptions{}); err != nil {
+		t.Fatal("Unexpected err: ", err)
+	}
+
+	// Construct the full path of fs.json
+	fsPath := pathJoin(bucketMetaPrefix, bucketName, objectName, "fs.json")
+	fsPath = pathJoin(fs.fsPath, minioMetaBucket, fsPath)
+
+	rlk, err := fs.rwPool.Open(fsPath)
+	if err != nil {
+		t.Fatal("Unexpected error ", err)
+	}
+	defer rlk.Close()
+
+	// FS metadata reading, no errors expected (healthy disk)
+	fsMeta := fsMetaV1{}
+	_, err = fsMeta.ReadFrom(GlobalContext, rlk.LockedFile)
+	if err != nil {
+		t.Fatal("Unexpected error ", err)
+	}
+	if fsMeta.Version != fsMetaVersion {
+		t.Fatalf("Unexpected version %s", fsMeta.Version)
+	}
+}
+
+func TestFSChecksumV1MarshalJSON(t *testing.T) {
+	var cs FSChecksumInfoV1
+
+	testCases := []struct {
+		checksum       FSChecksumInfoV1
+		expectedResult string
+	}{
+		{cs, `{"algorithm":"","blocksize":0,"hashes":null}`},
+		{FSChecksumInfoV1{Algorithm: "highwayhash", Blocksize: 500}, `{"algorithm":"highwayhash","blocksize":500,"hashes":null}`},
+		{FSChecksumInfoV1{Algorithm: "highwayhash", Blocksize: 10, Hashes: [][]byte{[]byte("hello")}}, `{"algorithm":"highwayhash","blocksize":10,"hashes":["68656c6c6f"]}`},
+	}
+
+	for _, testCase := range testCases {
+		data, _ := testCase.checksum.MarshalJSON()
+		if testCase.expectedResult != string(data) {
+			t.Fatalf("expected: %v, got: %v", testCase.expectedResult, string(data))
+		}
+	}
+}
+
+func TestFSChecksumV1UnMarshalJSON(t *testing.T) {
+	var cs FSChecksumInfoV1
+
+	testCases := []struct {
+		data           []byte
+		expectedResult FSChecksumInfoV1
+	}{
+		{[]byte(`{"algorithm":"","blocksize":0,"hashes":null}`), cs},
+		{[]byte(`{"algorithm":"highwayhash","blocksize":500,"hashes":null}`), FSChecksumInfoV1{Algorithm: "highwayhash", Blocksize: 500}},
+		{[]byte(`{"algorithm":"highwayhash","blocksize":10,"hashes":["68656c6c6f"]}`), FSChecksumInfoV1{Algorithm: "highwayhash", Blocksize: 10, Hashes: [][]byte{[]byte("hello")}}},
+	}
+
+	for _, testCase := range testCases {
+		err := (&cs).UnmarshalJSON(testCase.data)
+		if err != nil {
+			t.Fatal("Unexpected error during checksum unmarshalling ", err)
+		}
+		if !reflect.DeepEqual(testCase.expectedResult, cs) {
+			t.Fatalf("expected: %v, got: %v", testCase.expectedResult, cs)
+		}
+	}
+}