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-rw-r--r--jstests/sharding/shard_collection_verify_initial_chunks.js94
1 files changed, 43 insertions, 51 deletions
diff --git a/jstests/sharding/shard_collection_verify_initial_chunks.js b/jstests/sharding/shard_collection_verify_initial_chunks.js
index e7072132b11..65c5897371e 100644
--- a/jstests/sharding/shard_collection_verify_initial_chunks.js
+++ b/jstests/sharding/shard_collection_verify_initial_chunks.js
@@ -3,55 +3,47 @@
* and empty/non-empty collections.
*/
(function() {
- 'use strict';
-
- let st = new ShardingTest({mongos: 1, shards: 2});
- let mongos = st.s0;
-
- let config = mongos.getDB("config");
- let db = mongos.getDB('TestDB');
-
- assert.commandWorked(mongos.adminCommand({enableSharding: 'TestDB'}));
- st.ensurePrimaryShard('TestDB', st.shard1.shardName);
-
- function checkChunkCounts(collName, chunksOnShard0, chunksOnShard1) {
- let counts = st.chunkCounts(collName, 'TestDB');
- assert.eq(chunksOnShard0,
- counts[st.shard0.shardName],
- 'Count mismatch on shard0: ' + tojson(counts));
- assert.eq(chunksOnShard1,
- counts[st.shard1.shardName],
- 'Count mismatch on shard1: ' + tojson(counts));
- }
-
- // Unsupported: Range sharding + numInitialChunks
- assert.commandFailed(mongos.adminCommand(
- {shardCollection: 'TestDB.RangeCollEmpty', key: {aKey: 1}, numInitialChunks: 6}));
-
- // Unsupported: Hashed sharding + numInitialChunks + non-empty collection
- assert.writeOK(db.HashedCollNotEmpty.insert({aKey: 1}));
- assert.commandWorked(db.HashedCollNotEmpty.createIndex({aKey: "hashed"}));
- assert.commandFailed(mongos.adminCommand({
- shardCollection: 'TestDB.HashedCollNotEmpty',
- key: {aKey: "hashed"},
- numInitialChunks: 6
- }));
-
- // Supported: Hashed sharding + numInitialChunks + empty collection
- // Expected: Even chunk distribution
- assert.commandWorked(db.HashedCollEmpty.createIndex({aKey: "hashed"}));
- assert.commandWorked(mongos.adminCommand(
- {shardCollection: 'TestDB.HashedCollEmpty', key: {aKey: "hashed"}, numInitialChunks: 6}));
- checkChunkCounts('HashedCollEmpty', 3, 3);
-
- // Supported: Hashed sharding + numInitialChunks + non-existent collection
- // Expected: Even chunk distribution
- assert.commandWorked(mongos.adminCommand({
- shardCollection: 'TestDB.HashedCollNonExistent',
- key: {aKey: "hashed"},
- numInitialChunks: 6
- }));
- checkChunkCounts('HashedCollNonExistent', 3, 3);
-
- st.stop();
+'use strict';
+
+let st = new ShardingTest({mongos: 1, shards: 2});
+let mongos = st.s0;
+
+let config = mongos.getDB("config");
+let db = mongos.getDB('TestDB');
+
+assert.commandWorked(mongos.adminCommand({enableSharding: 'TestDB'}));
+st.ensurePrimaryShard('TestDB', st.shard1.shardName);
+
+function checkChunkCounts(collName, chunksOnShard0, chunksOnShard1) {
+ let counts = st.chunkCounts(collName, 'TestDB');
+ assert.eq(
+ chunksOnShard0, counts[st.shard0.shardName], 'Count mismatch on shard0: ' + tojson(counts));
+ assert.eq(
+ chunksOnShard1, counts[st.shard1.shardName], 'Count mismatch on shard1: ' + tojson(counts));
+}
+
+// Unsupported: Range sharding + numInitialChunks
+assert.commandFailed(mongos.adminCommand(
+ {shardCollection: 'TestDB.RangeCollEmpty', key: {aKey: 1}, numInitialChunks: 6}));
+
+// Unsupported: Hashed sharding + numInitialChunks + non-empty collection
+assert.writeOK(db.HashedCollNotEmpty.insert({aKey: 1}));
+assert.commandWorked(db.HashedCollNotEmpty.createIndex({aKey: "hashed"}));
+assert.commandFailed(mongos.adminCommand(
+ {shardCollection: 'TestDB.HashedCollNotEmpty', key: {aKey: "hashed"}, numInitialChunks: 6}));
+
+// Supported: Hashed sharding + numInitialChunks + empty collection
+// Expected: Even chunk distribution
+assert.commandWorked(db.HashedCollEmpty.createIndex({aKey: "hashed"}));
+assert.commandWorked(mongos.adminCommand(
+ {shardCollection: 'TestDB.HashedCollEmpty', key: {aKey: "hashed"}, numInitialChunks: 6}));
+checkChunkCounts('HashedCollEmpty', 3, 3);
+
+// Supported: Hashed sharding + numInitialChunks + non-existent collection
+// Expected: Even chunk distribution
+assert.commandWorked(mongos.adminCommand(
+ {shardCollection: 'TestDB.HashedCollNonExistent', key: {aKey: "hashed"}, numInitialChunks: 6}));
+checkChunkCounts('HashedCollNonExistent', 3, 3);
+
+st.stop();
})();