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/**
* Test that migration should fail if the destination shard does not
* have the index and is not empty.
*/
var st = new ShardingTest({ shards: 2 });
var testDB = st.s.getDB('test');
testDB.adminCommand({ enableSharding: 'test' });
testDB.adminCommand({ movePrimary: 'test', to: 'shard0001' });
testDB.adminCommand({ shardCollection: 'test.user', key: { x: 1 }});
// Test procedure:
// 1. Create index (index should now be in primary shard).
// 2. Split chunk into 3 parts.
// 3. Move 1 chunk to 2nd shard - should have no issues
testDB.user.ensureIndex({ a: 1, b: 1 });
testDB.adminCommand({ split: 'test.user', middle: { x: 0 }});
testDB.adminCommand({ split: 'test.user', middle: { x: 10 }});
// Collection does not exist, no chunk, index missing case at destination case.
assert.commandWorked(testDB.adminCommand({ moveChunk: 'test.user',
find: { x: 0 },
to: 'shard0000' }));
// Drop index since last moveChunk created this.
st.d0.getDB('test').user.dropIndex({ a: 1, b: 1 });
// Collection exist but empty, index missing at destination case.
assert.commandWorked(testDB.adminCommand({ moveChunk: 'test.user',
find: { x: 10 },
to: 'shard0000' }));
// Drop index since last moveChunk created this.
st.d0.getDB('test').user.dropIndex({ a: 1, b: 1 });
// Collection not empty, index missing at destination case.
testDB.user.insert({ x: 10 });
assert.commandFailed(testDB.adminCommand({ moveChunk: 'test.user',
find: { x: -10 },
to: 'shard0000' }));
st.stop();
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