mirror of https://github.com/mongodb/mongo
45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
/**
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* Test that migration should fail if the destination shard does not
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* have the index and is not empty.
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*/
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import {ShardingTest} from "jstests/libs/shardingtest.js";
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// This test runs dropIndex on one of the shards.
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TestData.skipCheckingIndexesConsistentAcrossCluster = true;
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let st = new ShardingTest({shards: 2});
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let testDB = st.s.getDB("test");
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testDB.adminCommand({enableSharding: "test", primaryShard: st.shard1.shardName});
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testDB.adminCommand({shardCollection: "test.user", key: {x: 1}});
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// Test procedure:
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// 1. Create index (index should now be in primary shard).
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// 2. Split chunk into 3 parts.
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// 3. Move 1 chunk to 2nd shard - should have no issues
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testDB.user.createIndex({a: 1, b: 1});
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testDB.adminCommand({split: "test.user", middle: {x: 0}});
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testDB.adminCommand({split: "test.user", middle: {x: 10}});
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// Collection does not exist, no chunk, index missing case at destination case.
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assert.commandWorked(testDB.adminCommand({moveChunk: "test.user", find: {x: 0}, to: st.shard0.shardName}));
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// Drop index since last moveChunk created this.
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st.rs0.getPrimary().getDB("test").user.dropIndex({a: 1, b: 1});
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// Collection exist but empty, index missing at destination case.
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assert.commandWorked(testDB.adminCommand({moveChunk: "test.user", find: {x: 10}, to: st.shard0.shardName}));
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// Drop index since last moveChunk created this.
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st.rs0.getPrimary().getDB("test").user.dropIndex({a: 1, b: 1});
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// Collection not empty, index missing at destination case.
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testDB.user.insert({x: 10});
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assert.commandFailed(testDB.adminCommand({moveChunk: "test.user", find: {x: -10}, to: st.shard0.shardName}));
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st.stop();
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