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/**
* Allows passing arguments to the function executed by startParallelShell.
*/
const funWithArgs = (fn, ...args) =>
"(" + fn.toString() + ")(" + args.map(x => tojson(x)).reduce((x, y) => x + ", " + y) + ")";
/**
* Internal function used by _doAssertCommandInParallelShell().
*/
const _parallelShellRunCommand = function(
dbName, cmdObj, expectedCode, checkResultFn, checkResultArgs) {
const expectedCodeStr =
(expectedCode === undefined ? '' : '; expectedCode: ' + tojson(expectedCode));
jsTestLog('Starting command in parallel shell - host: ' + db.getMongo().host +
'; db: ' + dbName + '; command: ' + tojson(cmdObj) + expectedCodeStr);
const testDB = db.getSiblingDB(dbName);
const result = testDB.runCommand(cmdObj);
jsTestLog('Finished running command in parallel shell - host: ' + db.getMongo().host +
'; db: ' + dbName + '; command: ' + tojson(cmdObj) + expectedCodeStr +
'; result: ' + tojson(result));
if (expectedCode === undefined) {
assert.commandWorked(result);
} else {
assert.commandFailedWithCode(result, expectedCode);
}
if (!checkResultFn) {
return;
}
jsTestLog('Checking command result in parallel shell - host: ' + db.getMongo().host +
'; db: ' + dbName + '; command: ' + tojson(cmdObj) + expectedCodeStr +
'; result: ' + tojson(result) + '; checkResultFn: ' + checkResultFn +
'; checkResultArgs: ' + tojson(checkResultArgs));
checkResultFn(result, checkResultArgs);
jsTestLog('Successfully verified command result in parallel shell - host: ' +
db.getMongo().host + '; db: ' + dbName + '; command: ' + tojson(cmdObj) +
expectedCodeStr + '; result: ' + tojson(result));
};
/**
* Internal function used by assertCommandWorkedInParallelShell() and
* assertCommandFailedWithCodeInParallelShell().
*/
const _doAssertCommandInParallelShell = function(
conn, db, cmdObj, expectedCode, checkResultFn, checkResultArgs) {
// Return joinable object to caller.
return startParallelShell(funWithArgs(_parallelShellRunCommand,
db.getName(),
cmdObj,
expectedCode,
checkResultFn,
checkResultArgs),
conn.port);
};
/**
* Starts command in a parallel shell.
* Provides similar behavior to assert.commandWorked().
*/
const assertCommandWorkedInParallelShell = function(
conn, db, cmdObj, checkResultFn, checkResultArgs) {
return _doAssertCommandInParallelShell(conn, db, cmdObj, checkResultFn, checkResultArgs);
};
/**
* Starts command in a parallel shell.
* Provides similar behavior to assert.commandFailedWithCode().
*/
const assertCommandFailedWithCodeInParallelShell = function(
conn, db, cmdObj, expectedCode, checkResultFn, checkResultArgs) {
assert(expectedCode,
'expected error code(s) must be provided to run command in parallel shell - host: ' +
db.getMongo().host + '; db: ' + db.getName() + '; command: ' + tojson(cmdObj));
return _doAssertCommandInParallelShell(
conn, db, cmdObj, expectedCode, checkResultFn, checkResultArgs);
};
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