1// Copyright (c) 2012 - Cloud Instruments Co., Ltd.
2//
3// All rights reserved.
4//
5// Redistribution and use in source and binary forms, with or without
6// modification, are permitted provided that the following conditions are met:
7//
8// 1. Redistributions of source code must retain the above copyright notice, this
9//    list of conditions and the following disclaimer.
10// 2. Redistributions in binary form must reproduce the above copyright notice,
11//    this list of conditions and the following disclaimer in the documentation
12//    and/or other materials provided with the distribution.
13//
14// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
15// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
18// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
23// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24
25package seelog
26
27import (
28	"bufio"
29	"bytes"
30	"fmt"
31	"io"
32	"io/ioutil"
33	"strconv"
34	"testing"
35)
36
37func countSequencedRowsInFile(filePath string) (int64, error) {
38	bts, err := ioutil.ReadFile(filePath)
39	if err != nil {
40		return 0, err
41	}
42
43	bufReader := bufio.NewReader(bytes.NewBuffer(bts))
44
45	var gotCounter int64
46	for {
47		line, _, bufErr := bufReader.ReadLine()
48		if bufErr != nil && bufErr != io.EOF {
49			return 0, bufErr
50		}
51
52		lineString := string(line)
53		if lineString == "" {
54			break
55		}
56
57		intVal, atoiErr := strconv.ParseInt(lineString, 10, 64)
58		if atoiErr != nil {
59			return 0, atoiErr
60		}
61
62		if intVal != gotCounter {
63			return 0, fmt.Errorf("wrong order: %d Expected: %d\n", intVal, gotCounter)
64		}
65
66		gotCounter++
67	}
68
69	return gotCounter, nil
70}
71
72func Test_Adaptive(t *testing.T) {
73	fileName := "beh_test_adaptive.log"
74	count := 100
75
76	Current.Close()
77
78	if e := tryRemoveFile(fileName); e != nil {
79		t.Error(e)
80		return
81	}
82	defer func() {
83		if e := tryRemoveFile(fileName); e != nil {
84			t.Error(e)
85		}
86	}()
87
88	testConfig := `
89<seelog type="adaptive" mininterval="1000" maxinterval="1000000" critmsgcount="100">
90	<outputs formatid="msg">
91		<file path="` + fileName + `"/>
92	</outputs>
93	<formats>
94		<format id="msg" format="%Msg%n"/>
95	</formats>
96</seelog>`
97
98	logger, _ := LoggerFromConfigAsString(testConfig)
99
100	err := ReplaceLogger(logger)
101	if err != nil {
102		t.Error(err)
103		return
104	}
105
106	for i := 0; i < count; i++ {
107		Trace(strconv.Itoa(i))
108	}
109
110	Flush()
111
112	gotCount, err := countSequencedRowsInFile(fileName)
113	if err != nil {
114		t.Error(err)
115		return
116	}
117
118	if int64(count) != gotCount {
119		t.Errorf("wrong count of log messages. Expected: %v, got: %v.", count, gotCount)
120		return
121	}
122
123	Current.Close()
124}
125