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/*
* Utilities for performing writes without shard key under various test configurations.
*/
'use strict';
function setupShardedCollection(st, nss, shardKey, splitPoints, chunksToMove) {
const splitString = namespace.split(".");
const dbName = splitString[0];
assert.commandWorked(st.s.adminCommand({enablesharding: dbName}));
st.ensurePrimaryShard(dbName, st.shard0.shardName);
assert.commandWorked(st.s.adminCommand({shardCollection: nss, key: {[shardKey]: 1}}));
for (let splitPoint of splitPoints) {
assert.commandWorked(st.s.adminCommand({split: nss, middle: splitPoint}));
}
for (let {query, shardName} of chunksToMove) {
assert.commandWorked(st.s.adminCommand({
moveChunk: nss,
find: query,
to: shardName,
}));
}
}
function validateResult(docs, expectedMods) {
expectedMods.forEach(mod => {
let field = Object.keys(mod)[0];
let value = mod[field];
let docsHaveFieldMatchArray = [];
docs.forEach(doc => {
if (doc[field] == value) {
docsHaveFieldMatchArray.push(doc[field] == value);
}
});
assert(docsHaveFieldMatchArray.length == 1);
});
}
/*
* Inserts a batch of documents and runs a write without shard key and returns all of the documents
* inserted.
*/
function insertDocsAndRunCommand(st, dbName, collName, docsToInsert, cmdObj) {
assert.commandWorked(st.s.getDB(dbName).getCollection(collName).insert(docsToInsert));
assert.commandWorked(st.s.getDB(dbName).runCommand(cmdObj));
return st.s.getDB(dbName).getCollection(collName).find({}).toArray();
}
/*
* Runs a test using a cmdObj with multiple configs e.g. {ordered: true/false}.
*/
function runWithMultipleConfigs(params) {
params.configs.forEach(config => {
let newCmdObj = Object.assign({}, config, params.cmdObj);
let allMatchedDocs = insertDocsAndRunCommand(
params.st, params.dbName, params.collName, params.docsToInsert, newCmdObj);
validateResult(allMatchedDocs, params.expectedMods);
// Clean up the collection for the next test case without dropping the collection.
assert.commandWorked(
params.st.s.getDB(params.dbName).getCollection(params.collName).remove({}));
});
}
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