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/*
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* Minio Cloud Storage, (C) 2016 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"os"
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"path/filepath"
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"testing"
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)
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// TestStorageInfo - tests storage info.
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func TestStorageInfo(t *testing.T) {
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objLayer, fsDirs, err := prepareXL()
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if err != nil {
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t.Fatalf("Unable to initialize 'XL' object layer.")
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}
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// Remove all dirs.
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for _, dir := range fsDirs {
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defer removeAll(dir)
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}
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// Get storage info first attempt.
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disks16Info := objLayer.StorageInfo()
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// This test assumes homogenity between all disks,
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// i.e if we loose one disk the effective storage
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// usage values is assumed to decrease. If we have
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// heterogenous environment this is not true all the time.
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if disks16Info.Free <= 0 {
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t.Fatalf("Diskinfo total free values should be greater 0")
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}
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if disks16Info.Total <= 0 {
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t.Fatalf("Diskinfo total values should be greater 0")
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}
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objLayer, err = newXLObjects(fsDirs, fsDirs[:4])
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if err != nil {
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t.Fatalf("Unable to initialize 'XL' object layer with ignored disks %s.", fsDirs[:4])
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}
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// Get storage info first attempt.
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disks16Info = objLayer.StorageInfo()
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// This test assumes homogenity between all disks,
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// i.e if we loose one disk the effective storage
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// usage values is assumed to decrease. If we have
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// heterogenous environment this is not true all the time.
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if disks16Info.Free <= 0 {
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t.Fatalf("Diskinfo total free values should be greater 0")
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}
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if disks16Info.Total <= 0 {
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t.Fatalf("Diskinfo total values should be greater 0")
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}
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}
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// TestNewXL - tests initialization of all input disks
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// and constructs a valid `XL` object
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func TestNewXL(t *testing.T) {
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var nDisks = 16 // Maximum disks.
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var erasureDisks []string
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for i := 0; i < nDisks; i++ {
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// Do not attempt to create this path, the test validates
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// so that newFSObjects initializes non existing paths
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// and successfully returns initialized object layer.
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disk := filepath.Join(os.TempDir(), "minio-"+nextSuffix())
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erasureDisks = append(erasureDisks, disk)
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defer removeAll(disk)
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}
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// No disks input.
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_, err := newXLObjects(nil, nil)
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if err != errInvalidArgument {
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t.Fatalf("Unable to initialize erasure, %s", err)
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}
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// Initializes all erasure disks
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err = formatDisks(erasureDisks, nil)
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if err != nil {
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t.Fatalf("Unable to format disks for erasure, %s", err)
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}
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_, err = newXLObjects(erasureDisks, nil)
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if err != nil {
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t.Fatalf("Unable to initialize erasure, %s", err)
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}
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// Initializes all erasure disks, ignoring first two.
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_, err = newXLObjects(erasureDisks, erasureDisks[:2])
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if err != nil {
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t.Fatalf("Unable to initialize erasure, %s", err)
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}
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}
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