92 lines
3.3 KiB
JavaScript
92 lines
3.3 KiB
JavaScript
// This test makes assumptions about the number of logical sessions.
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import {ShardingTest} from "jstests/libs/shardingtest.js";
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TestData.disableImplicitSessions = true;
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var sessionsDb = "config";
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var refresh = {refreshLogicalSessionCacheNow: 1};
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var startSession = {startSession: 1};
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var cluster = new ShardingTest({
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mongos: [{setParameter: {sessionWriteConcernTimeoutSystemMillis: 0, sessionMaxBatchSize: 500}}],
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shards: 2,
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rs: {setParameter: {sessionWriteConcernTimeoutSystemMillis: 0, sessionMaxBatchSize: 500}},
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other: {
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configOptions:
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{setParameter: {sessionWriteConcernTimeoutSystemMillis: 0, sessionMaxBatchSize: 500}}
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}
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});
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// Test that we can refresh without any sessions, as a sanity check.
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{
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assert.commandWorked(cluster.s.getDB(sessionsDb).runCommand(refresh));
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assert.commandWorked(cluster.shard0.getDB(sessionsDb).runCommand(refresh));
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assert.commandWorked(cluster.shard1.getDB(sessionsDb).runCommand(refresh));
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}
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// Test that refreshing on mongos flushes local records to the collection.
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{
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var mongos = cluster.s.getDB(sessionsDb);
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var sessionCount = mongos.system.sessions.count();
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// Start one session.
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assert.commandWorked(mongos.runCommand(startSession));
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assert.commandWorked(mongos.runCommand(refresh));
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// Test that it landed in the collection.
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assert.eq(mongos.system.sessions.count(),
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sessionCount + 1,
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"refresh on mongos did not flush session record");
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}
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// Test that refreshing on mongod flushes local records to the collection.
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{
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let mongos = cluster.s.getDB(sessionsDb);
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let shard = cluster.shard0.getDB(sessionsDb);
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let sessionCount = mongos.system.sessions.count();
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assert.commandWorked(shard.runCommand(startSession));
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assert.commandWorked(shard.runCommand(refresh));
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// Test that the new record landed in the collection.
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assert.eq(mongos.system.sessions.count(),
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sessionCount + 1,
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"refresh on mongod did not flush session record");
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}
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// Test that refreshing on all servers flushes all records.
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{
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let mongos = cluster.s.getDB(sessionsDb);
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let shard0 = cluster.shard0.getDB(sessionsDb);
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let shard1 = cluster.shard1.getDB(sessionsDb);
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let sessionCount = mongos.system.sessions.count();
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assert.commandWorked(mongos.runCommand(startSession));
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assert.commandWorked(shard0.runCommand(startSession));
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assert.commandWorked(shard1.runCommand(startSession));
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// All records should be in local caches only.
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assert.eq(mongos.system.sessions.count(),
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sessionCount,
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"startSession should not flush records to disk");
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// Refresh on each server, see that it ups the session count.
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assert.commandWorked(mongos.runCommand(refresh));
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assert.eq(mongos.system.sessions.count(),
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sessionCount + 1,
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"refresh on mongos did not flush session records to disk");
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assert.commandWorked(shard0.runCommand(refresh));
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assert.eq(mongos.system.sessions.count(),
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sessionCount + 2,
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"refresh on shard did not flush session records to disk");
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assert.commandWorked(shard1.runCommand(refresh));
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assert.eq(mongos.system.sessions.count(),
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sessionCount + 3,
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"refresh on shard did not flush session records to disk");
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}
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cluster.stop();
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