| // Licensed to Apache Software Foundation (ASF) under one or more contributor |
| // license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright |
| // ownership. Apache Software Foundation (ASF) licenses this file to you 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. |
| |
| // +build !windows |
| |
| package segment |
| |
| import ( |
| "os" |
| "testing" |
| |
| "github.com/grandecola/mmap" |
| ) |
| |
| func Test_newSegmentWithOldFile(t *testing.T) { |
| type args struct { |
| fileName string |
| originalSize int |
| neededSize int |
| } |
| tests := []struct { |
| name string |
| args args |
| want int64 |
| wantErr bool |
| }{ |
| { |
| name: "less than the needed size", |
| args: args{ |
| fileName: "temp.segment", |
| originalSize: os.Getpagesize(), |
| neededSize: os.Getpagesize() * 2, |
| }, |
| want: int64(os.Getpagesize() * 2), |
| wantErr: false, |
| }, |
| { |
| name: "equal to the needed size", |
| args: args{ |
| fileName: "temp2.segment", |
| originalSize: os.Getpagesize() * 2, |
| neededSize: os.Getpagesize() * 2, |
| }, |
| want: int64(os.Getpagesize() * 2), |
| wantErr: false, |
| }, |
| { |
| name: "larger than the needed size", |
| args: args{ |
| fileName: "temp3.segment", |
| originalSize: os.Getpagesize() * 3, |
| neededSize: os.Getpagesize() * 2, |
| }, |
| want: int64(os.Getpagesize() * 2), |
| wantErr: false, |
| }, |
| } |
| for _, tt := range tests { |
| t.Run(tt.name, func(t *testing.T) { |
| if file, err := os.Create(tt.args.fileName); err != nil { |
| t.Errorf("cannot create the original file: %v", err) |
| return |
| } else if err := file.Truncate(int64(tt.args.originalSize)); err != nil { |
| t.Errorf("cannot set the original file size: %v", err) |
| } |
| |
| got, err := NewSegment(tt.args.fileName, tt.args.neededSize) |
| defer clean(got, tt.args.fileName, t) |
| |
| if (err != nil) != tt.wantErr { |
| t.Errorf("NewSegment() error = %v, wantErr %v", err, tt.wantErr) |
| return |
| } |
| if file, err := os.Open(tt.args.fileName); err != nil { |
| t.Errorf("cannot open the mmap file: %v", err) |
| } else if stat, err := file.Stat(); err != nil { |
| t.Errorf("cannot read mmap file info: %v", err) |
| } else if stat.Size() != tt.want { |
| t.Errorf("want file size is %d ,but got %d", tt.want, stat.Size()) |
| } |
| }) |
| } |
| } |
| |
| func Test_newSegmentSize(t *testing.T) { |
| type args struct { |
| fileName string |
| size int |
| } |
| tests := []struct { |
| name string |
| args args |
| want int64 |
| wantErr bool |
| }{ |
| { |
| name: "equal to page size", |
| args: args{ |
| fileName: "temp2.segment", |
| size: os.Getpagesize() * 2, |
| }, |
| want: int64(os.Getpagesize() * 2), |
| wantErr: false, |
| }, |
| } |
| for _, tt := range tests { |
| t.Run(tt.name, func(t *testing.T) { |
| got, err := NewSegment(tt.args.fileName, tt.args.size) |
| defer clean(got, tt.args.fileName, t) |
| |
| if (err != nil) != tt.wantErr { |
| t.Errorf("NewSegment() error = %v, wantErr %v", err, tt.wantErr) |
| return |
| } |
| if file, err := os.Open(tt.args.fileName); err != nil { |
| t.Errorf("cannot open the mmap file: %v", err) |
| } else if stat, err := file.Stat(); err != nil { |
| t.Errorf("cannot read mmap file info: %v", err) |
| } else if stat.Size() != tt.want { |
| t.Errorf("want file size is %d ,but got %d", tt.want, stat.Size()) |
| } |
| }) |
| } |
| } |
| |
| func Test_newSegmentMultiDir(t *testing.T) { |
| const testDir = "testQueue" |
| defer func() { |
| if err := os.RemoveAll(testDir); err != nil { |
| t.Errorf("cannot clean the testqueue dir: %v", err) |
| return |
| } |
| }() |
| |
| type args struct { |
| fileName string |
| size int |
| } |
| tests := []struct { |
| name string |
| args args |
| wantErr bool |
| }{ |
| { |
| name: "test multi dir", |
| args: args{ |
| fileName: testDir + "/temp.segment", |
| size: 10, |
| }, |
| wantErr: false, |
| }, |
| } |
| for _, tt := range tests { |
| t.Run(tt.name, func(t *testing.T) { |
| got, err := NewSegment(tt.args.fileName, tt.args.size) |
| defer clean(got, tt.args.fileName, t) |
| if (err != nil) != tt.wantErr { |
| t.Errorf("NewSegment() error = %v, wantErr %v", err, tt.wantErr) |
| return |
| } |
| }) |
| } |
| } |
| |
| func clean(file *mmap.File, fileName string, t *testing.T) { |
| if file == nil { |
| return |
| } |
| if err := file.Unmap(); err != nil { |
| t.Errorf("unmap segment file error: %v", err) |
| } |
| if err := os.Remove(fileName); err != nil { |
| t.Errorf("delete segment file error: %v", err) |
| } |
| } |