mirror of https://github.com/mongodb/mongo
49 lines
1.6 KiB
JavaScript
49 lines
1.6 KiB
JavaScript
/**
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* Test the ReshardingTest fixture can work with a configShard.
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*
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* @tags: [
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* requires_fcv_80,
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* ]
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*/
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import {ReshardingTest} from "jstests/sharding/libs/resharding_test_fixture.js";
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const reshardingTest = new ReshardingTest({numDonors: 2, numRecipients: 2, reshardInPlace: true, configShard: true});
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reshardingTest.setup();
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const ns = "reshardingDb.coll";
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const donorShardNames = reshardingTest.donorShardNames;
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assert.includes(donorShardNames, "config");
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const sourceCollection = reshardingTest.createShardedCollection({
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ns,
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shardKeyPattern: {oldKey: 1},
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chunks: [
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{min: {oldKey: MinKey}, max: {oldKey: 0}, shard: donorShardNames[0]},
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{min: {oldKey: 0}, max: {oldKey: MaxKey}, shard: donorShardNames[1]},
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],
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});
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// Perform some inserts before resharding starts so there's data to clone.
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const docs = [
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{_id: "stays on shard0", oldKey: -10, newKey: -10},
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{_id: "moves to shard0", oldKey: 10, newKey: -10},
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{_id: "moves to shard1", oldKey: -10, newKey: 10},
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{_id: "stays on shard1", oldKey: 10, newKey: 10},
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];
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assert.commandWorked(sourceCollection.insert(docs));
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const recipientShardNames = reshardingTest.recipientShardNames;
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assert.includes(recipientShardNames, "config");
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reshardingTest.withReshardingInBackground({
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newShardKeyPattern: {newKey: 1},
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newChunks: [
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{min: {newKey: MinKey}, max: {newKey: 0}, shard: recipientShardNames[0]},
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{min: {newKey: 0}, max: {newKey: MaxKey}, shard: recipientShardNames[1]},
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],
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});
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// All documents should still be visible.
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assert.sameMembers(sourceCollection.find().toArray(), docs);
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reshardingTest.teardown();
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