mirror of https://github.com/mongodb/mongo
99 lines
3.3 KiB
JavaScript
99 lines
3.3 KiB
JavaScript
/**
|
|
* @tags: [
|
|
* requires_scripting
|
|
* ]
|
|
*/
|
|
import {ReplSetTest} from "jstests/libs/replsettest.js";
|
|
import {waitForAllMembers} from "jstests/replsets/rslib.js";
|
|
|
|
let doTest = function (signal) {
|
|
// Test basic replica set functionality.
|
|
// -- Replication
|
|
// -- Failover
|
|
|
|
// Replica set testing API
|
|
// Create a new replica set test. Specify set name and the number of nodes you want.
|
|
let replTest = new ReplSetTest({name: "testSet", nodes: 3});
|
|
|
|
// call startSet() to start each mongod in the replica set
|
|
// this returns a list of nodes
|
|
let nodes = replTest.startSet();
|
|
|
|
// Call initiate() to send the replSetInitiate command
|
|
// This will wait for initiation
|
|
replTest.initiate();
|
|
|
|
// Call getPrimary to return a reference to the node that's been
|
|
// elected primary.
|
|
let primary = replTest.getPrimary();
|
|
|
|
// save some records
|
|
let len = 100;
|
|
for (let i = 0; i < len; ++i) {
|
|
primary.getDB("foo").foo.save({a: i});
|
|
}
|
|
|
|
waitForAllMembers(primary.getDB("foo"));
|
|
// This method will check the oplogs of the primary
|
|
// and secondaries in the set and wait until the change has replicated.
|
|
replTest.awaitReplication();
|
|
|
|
let secondaries = replTest.getSecondaries();
|
|
assert(secondaries.length == 2, "Expected 2 secondaries but length was " + secondaries.length);
|
|
secondaries.forEach(function (secondary) {
|
|
// try to read from secondary
|
|
secondary.setSecondaryOk();
|
|
let count = secondary.getDB("foo").foo.find().itcount();
|
|
printjson(count);
|
|
assert.eq(len, count, "secondary count wrong: " + secondary);
|
|
|
|
print("Doing a findOne to verify we can get a row");
|
|
let one = secondary.getDB("foo").foo.findOne();
|
|
printjson(one);
|
|
|
|
print("Calling inline mr() with secondaryOk=true, must succeed");
|
|
secondary.setSecondaryOk();
|
|
let map = function () {
|
|
emit(this.a, 1);
|
|
};
|
|
let reduce = function (key, vals) {
|
|
let sum = 0;
|
|
for (let i = 0; i < vals.length; ++i) {
|
|
sum += vals[i];
|
|
}
|
|
return sum;
|
|
};
|
|
secondary.getDB("foo").foo.mapReduce(map, reduce, {out: {"inline": 1}});
|
|
|
|
print("Calling mr() to collection with secondaryOk=true, must fail");
|
|
try {
|
|
secondary.getDB("foo").foo.mapReduce(map, reduce, "output");
|
|
assert(false, "mapReduce() to collection succeeded on secondary");
|
|
} catch (e) {
|
|
print("Received exception: " + e);
|
|
}
|
|
|
|
print("Calling inline mr() with secondaryOk=false, must fail");
|
|
secondary.setSecondaryOk(false);
|
|
try {
|
|
secondary.getDB("foo").foo.mapReduce(map, reduce, {out: {"inline": 1}});
|
|
assert(false, "mapReduce() succeeded on secondary with secondaryOk=false");
|
|
} catch (e) {
|
|
print("Received exception: " + e);
|
|
}
|
|
print("Calling mr() to collection with secondaryOk=false, must fail");
|
|
try {
|
|
secondary.getDB("foo").foo.mapReduce(map, reduce, "output");
|
|
assert(false, "mapReduce() to collection succeeded on secondary with secondaryOk=false");
|
|
} catch (e) {
|
|
print("Received exception: " + e);
|
|
}
|
|
});
|
|
|
|
// Shut down the set and finish the test.
|
|
replTest.stopSet(signal);
|
|
};
|
|
|
|
doTest(15);
|
|
print("SUCCESS");
|