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Copy pathformat-fs_test.go
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102 lines (90 loc) · 2.72 KB
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/*
* 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 cmd
import (
"os"
"path/filepath"
"testing"
)
// TestFSFormatFS - tests initFormatFS, formatMetaGetFormatBackendFS, formatFSGetVersion.
func TestFSFormatFS(t *testing.T) {
// Prepare for testing
disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
defer os.RemoveAll(disk)
fsFormatPath := pathJoin(disk, minioMetaBucket, formatConfigFile)
// Assign a new UUID.
uuid := mustGetUUID()
// Initialize meta volume, if volume already exists ignores it.
if err := initMetaVolumeFS(disk, uuid); err != nil {
t.Fatal(err)
}
rlk, err := initFormatFS(disk)
if err != nil {
t.Fatal(err)
}
rlk.Close()
// Do the basic sanity checks to check if initFormatFS() did its job.
f, err := os.OpenFile(fsFormatPath, os.O_RDWR, 0)
if err != nil {
t.Fatal(err)
}
defer f.Close()
format, err := formatMetaGetFormatBackendFS(f)
if err != nil {
t.Fatal(err)
}
if format != formatBackendFS {
t.Fatalf(`expected: %s, got: %s`, formatBackendFS, format)
}
version, err := formatFSGetVersion(f)
if err != nil {
t.Fatal(err)
}
if version != formatFSVersionV2 {
t.Fatalf(`expected: %s, got: %s`, formatFSVersionV2, version)
}
// Corrupt the format.json file and test the functions.
// formatMetaGetFormatBackendFS, formatFSGetVersion, initFormatFS should return errors.
if err = f.Truncate(0); err != nil {
t.Fatal(err)
}
if _, err = f.WriteString("b"); err != nil {
t.Fatal(err)
}
if _, err = formatMetaGetFormatBackendFS(f); err == nil {
t.Fatal("expected to fail")
}
if _, err = formatFSGetVersion(rlk); err == nil {
t.Fatal("expected to fail")
}
if _, err = initFormatFS(disk); err == nil {
t.Fatal("expected to fail")
}
// With unknown formatMetaV1.Version formatMetaGetFormatBackendFS, initFormatFS should return error.
if err = f.Truncate(0); err != nil {
t.Fatal(err)
}
// Here we set formatMetaV1.Version to "2"
if _, err = f.WriteString(`{"version":"2","format":"fs","fs":{"version":"1"}}`); err != nil {
t.Fatal(err)
}
if _, err = formatMetaGetFormatBackendFS(f); err == nil {
t.Fatal("expected to fail")
}
if _, err = initFormatFS(disk); err == nil {
t.Fatal("expected to fail")
}
}