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			105 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Go
		
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Go
		
	
	
	
| // Copyright (c) 2015-2021 MinIO, Inc.
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| //
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| // This file is part of MinIO Object Storage stack
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| //
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| // This program is free software: you can redistribute it and/or modify
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| // it under the terms of the GNU Affero General Public License as published by
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| // the Free Software Foundation, either version 3 of the License, or
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| // (at your option) any later version.
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| //
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| // This program is distributed in the hope that it will be useful
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| // GNU Affero General Public License for more details.
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| //
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| // You should have received a copy of the GNU Affero General Public License
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| // along with this program.  If not, see <http://www.gnu.org/licenses/>.
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| 
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| package cmd
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| 
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| import (
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| 	"context"
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| 	"os"
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| 	"path/filepath"
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| 	"testing"
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| )
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| 
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| // TestFSFormatFS - tests initFormatFS, formatMetaGetFormatBackendFS, formatFSGetVersion.
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| func TestFSFormatFS(t *testing.T) {
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| 	// Prepare for testing
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| 	disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
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| 	defer os.RemoveAll(disk)
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| 
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| 	fsFormatPath := pathJoin(disk, minioMetaBucket, formatConfigFile)
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| 
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| 	// Assign a new UUID.
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| 	uuid := mustGetUUID()
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| 
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| 	// Initialize meta volume, if volume already exists ignores it.
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| 	if err := initMetaVolumeFS(disk, uuid); err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	rlk, err := initFormatFS(context.Background(), disk)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	rlk.Close()
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| 
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| 	// Do the basic sanity checks to check if initFormatFS() did its job.
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| 	f, err := os.OpenFile(fsFormatPath, os.O_RDWR|os.O_SYNC, 0)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	defer f.Close()
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| 
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| 	format, err := formatMetaGetFormatBackendFS(f)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	if format != formatBackendFS {
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| 		t.Fatalf(`expected: %s, got: %s`, formatBackendFS, format)
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| 	}
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| 	version, err := formatFSGetVersion(f)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	if version != formatFSVersionV2 {
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| 		t.Fatalf(`expected: %s, got: %s`, formatFSVersionV2, version)
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| 	}
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| 
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| 	// Corrupt the format.json file and test the functions.
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| 	// formatMetaGetFormatBackendFS, formatFSGetVersion, initFormatFS should return errors.
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| 	if err = f.Truncate(0); err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	if _, err = f.WriteString("b"); err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	if _, err = formatMetaGetFormatBackendFS(f); err == nil {
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| 		t.Fatal("expected to fail")
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| 	}
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| 	if _, err = formatFSGetVersion(rlk); err == nil {
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| 		t.Fatal("expected to fail")
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| 	}
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| 	if _, err = initFormatFS(context.Background(), disk); err == nil {
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| 		t.Fatal("expected to fail")
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| 	}
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| 
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| 	// With unknown formatMetaV1.Version formatMetaGetFormatBackendFS, initFormatFS should return error.
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| 	if err = f.Truncate(0); err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	// Here we set formatMetaV1.Version to "2"
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| 	if _, err = f.WriteString(`{"version":"2","format":"fs","fs":{"version":"1"}}`); err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	if _, err = formatMetaGetFormatBackendFS(f); err == nil {
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| 		t.Fatal("expected to fail")
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| 	}
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| 	if _, err = initFormatFS(context.Background(), disk); err == nil {
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| 		t.Fatal("expected to fail")
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| 	}
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| }
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