67 lines
2.4 KiB
JavaScript
67 lines
2.4 KiB
JavaScript
// Tests the dropping of a sharded database SERVER-3471 SERVER-1726
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(function() {
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var st = new ShardingTest({ shards: 2 });
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var mongos = st.s0;
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var config = mongos.getDB("config");
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var dbA = mongos.getDB("DropSharded_A");
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var dbB = mongos.getDB("DropSharded_B");
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var dbC = mongos.getDB("DropSharded_C");
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// Dropping a database that doesn't exist will result in an info field in the response.
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var res = assert.commandWorked(dbA.dropDatabase());
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assert.eq('database does not exist', res.info);
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var numDocs = 3000;
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var numColls = 10;
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for (var i = 0; i < numDocs; i++) {
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dbA.getCollection("data" + (i % numColls)).insert({ _id: i });
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dbB.getCollection("data" + (i % numColls)).insert({ _id: i });
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dbC.getCollection("data" + (i % numColls)).insert({ _id: i });
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}
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var key = { _id: 1 };
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for (var i = 0; i < numColls; i++) {
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st.shardColl(dbA.getCollection("data" + i), key);
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st.shardColl(dbB.getCollection("data" + i), key);
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st.shardColl(dbC.getCollection("data" + i), key);
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}
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// Insert a document to an unsharded collection and make sure that the document is there.
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assert.writeOK(dbA.unsharded.insert({ dummy: 1 }));
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var shardName = config.databases.findOne({ _id: dbA.getName() }).primary;
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var shardHostConn = new Mongo(config.shards.findOne({ _id: shardName }).host);
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var dbAOnShard = shardHostConn.getDB(dbA.getName());
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assert.neq(null, dbAOnShard.unsharded.findOne({ dummy: 1 }));
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// Drop the non-suffixed db and ensure that it is the only one that was dropped.
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dbA.dropDatabase();
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var dbs = mongos.getDBNames();
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for (var i = 0; i < dbs.length; i++) {
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assert.neq(dbs, "" + dbA);
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}
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assert.eq(0, config.databases.count({ _id: dbA.getName() }));
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assert.eq(1, config.databases.count({ _id: dbB.getName() }));
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assert.eq(1, config.databases.count({ _id: dbC.getName() }));
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// 10 dropped collections
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assert.eq(numColls, config.collections.count({ _id: RegExp("^" + dbA + "\\..*"), dropped: true }));
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// 20 active (dropped is missing)
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assert.eq(numColls, config.collections.count({ _id: RegExp("^" + dbB + "\\..*") }));
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assert.eq(numColls, config.collections.count({ _id: RegExp("^" + dbC + "\\..*") }));
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for (var i = 0; i < numColls; i++) {
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assert.eq(numDocs / numColls, dbB.getCollection("data" + (i % numColls)).find().itcount());
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assert.eq(numDocs / numColls, dbC.getCollection("data" + (i % numColls)).find().itcount());
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}
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// Check that the unsharded collection should have been dropped.
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assert.eq(null, dbAOnShard.unsharded.findOne());
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st.stop();
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})();
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