mixed_version_replica_set.js

/**
 * Tests initializing a mixed version replica set through resmoke.
 *
 * @tags: [
 *   # The test runs commands that are not allowed with security token: replSetGetStatus.
 *   not_allowed_with_signed_security_token,
 *   multiversion_sanity_check
 * ]
 */

const latestBinVersion = MongoRunner.getBinVersionFor("latest");

if (testingReplication && TestData && TestData.mixedBinVersions) {
    const replSetStatus = db.adminCommand({"replSetGetStatus": 1});
    const members = replSetStatus["members"];
    assert.eq(TestData.mixedBinVersions.length, replSetStatus["members"].length);
    for (let i = 0; i < TestData.mixedBinVersions.length; i++) {
        const conn = new Mongo(members[i]["name"]);
        const admin = conn.getDB("admin");
        const serverStatus = admin.serverStatus();
        const actualVersion = serverStatus["version"];
        const expectedVersion = TestData.mixedBinVersions[i] === "new"
            ? latestBinVersion
            : MongoRunner.getBinVersionFor(TestData.multiversionBinVersion);
        print(actualVersion,
              expectedVersion,
              MongoRunner.getBinVersionFor(TestData.multiversionBinVersion));
        print(TestData.multiversionBinVersion);
        assert(MongoRunner.areBinVersionsTheSame(actualVersion, expectedVersion));
    }
} else {
    jsTestLog(
        "This tests initializing a mixed version replica set through resmoke. Skipping test run" +
        " because testingReplication and TestData.mixedBinVersion are not set.");
}