1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
/* oplog.js */
var debugging = false;
var testname = "oplog";
var step = 1;
var conn = null;
function checkNoJournalFiles(path, pass) {
var files = listFiles(path);
if (files.some(function(f) {
return f.name.indexOf("prealloc") < 0;
})) {
if (pass == null) {
// wait a bit longer for mongod to potentially finish if it is still running.
sleep(10000);
return checkNoJournalFiles(path, 1);
}
print("\n\n\n");
print("FAIL path:" + path);
print("unexpected files:");
printjson(files);
assert(false, "FAIL a journal/lsn file is present which is unexpected");
}
}
function runDiff(a, b) {
function reSlash(s) {
var x = s;
if (_isWindows()) {
while (1) {
var y = x.replace('/', '\\');
if (y == x)
break;
x = y;
}
}
return x;
}
a = reSlash(a);
b = reSlash(b);
print("diff " + a + " " + b);
return runProgram("diff", a, b);
}
function log(str) {
print();
if (str)
print(testname + " step " + step++ + " " + str);
else
print(testname + " step " + step++);
}
function verify() {
log("verify");
var d = conn.getDB("local");
var mycount = d.oplog.$main.find({"o.z": 3}).count();
print(mycount);
assert(mycount == 3, "oplog doesnt match");
}
// if you do inserts here, you will want to set _id. otherwise they won't match on different
// runs so we can't do a binary diff of the resulting files to check they are consistent.
function work() {
log("work");
var d = conn.getDB("test");
var q = conn.getDB("testq"); // use tewo db's to exercise JDbContext a bit.
d.foo.insert({_id: 3, x: 22});
d.foo.insert({_id: 4, x: 22});
q.foo.insert({_id: 4, x: 22});
d.a.insert({_id: 3, x: 22, y: [1, 2, 3]});
q.a.insert({_id: 3, x: 22, y: [1, 2, 3]});
d.a.insert({_id: 4, x: 22, y: [1, 2, 3]});
d.a.update({_id: 4}, {$inc: {x: 1}});
// OpCode_ObjCopy fires on larger operations so make one that isn't tiny
var big = "axxxxxxxxxxxxxxb";
big = big + big;
big = big + big;
big = big + big;
big = big + big;
big = big + big;
d.foo.insert({_id: 5, q: "aaaaa", b: big, z: 3});
q.foo.insert({_id: 5, q: "aaaaa", b: big, z: 3});
d.foo.insert({_id: 6, q: "aaaaa", b: big, z: 3});
d.foo.update({_id: 5}, {$set: {z: 99}});
log("endwork");
verify();
}
if (debugging) {
// mongod already running in debugger
print(
"DOING DEBUG MODE BEHAVIOR AS 'db' IS DEFINED -- RUN mongo --nodb FOR REGULAR TEST BEHAVIOR");
conn = db.getMongo();
work();
sleep(30000);
quit();
}
log();
// directories
var path1 = MongoRunner.dataPath + testname + "nodur";
var path2 = MongoRunner.dataPath + testname + "dur";
// non-durable version
log();
conn = MongoRunner.runMongod(
{dbpath: path1, nojournal: "", smallfiles: "", master: "", oplogSize: 64});
work();
MongoRunner.stopMongod(conn);
// durable version
log();
conn = MongoRunner.runMongod({
dbpath: path2,
journal: "",
smallfiles: "",
journalOptions: 8 /*DurParanoid*/,
master: "",
oplogSize: 64
});
work();
// wait for group commit.
printjson(conn.getDB('admin').runCommand({getlasterror: 1, fsync: 1}));
// kill the process hard
MongoRunner.stopMongod(conn, 9, {allowedExitCode: MongoRunner.EXIT_SIGKILL});
// journal file should be present, and non-empty as we killed hard
// restart and recover
log();
conn = MongoRunner.runMongod({
restart: true,
cleanData: false,
dbpath: path2,
journal: "",
smallfiles: "",
journalOptions: 8,
master: "",
oplogSize: 64
});
verify();
log("stop");
MongoRunner.stopMongod(conn);
// stopMongod seems to be asynchronous (hmmm) so we sleep here.
sleep(5000);
// at this point, after clean shutdown, there should be no journal files
log("check no journal files");
checkNoJournalFiles(path2 + "/journal");
log("check data matches ns");
var diff = runDiff(path1 + "/test.ns", path2 + "/test.ns");
if (diff != "") {
print("\n\n\nDIFFERS\n");
print(diff);
}
assert(diff == "", "error test.ns files differ");
log("check data matches .0");
diff = runDiff(path1 + "/test.0", path2 + "/test.0");
if (diff != "") {
print("\n\n\nDIFFERS\n");
print(diff);
}
assert(diff == "", "error test.0 files differ");
log("check data matches done");
print(testname + " SUCCESS");
|
