/**
 * Tests that WT_PREPARE_CONFLICT errors are retried correctly on read operations, but does not test
 * any actual prepare transaction functionality.
 * @tag: [requires_wiredtiger]
 */
(function() {
"strict";

let conn = MongoRunner.runMongod();
let testDB = conn.getDB("test");

let t = testDB.prepare_conflict;
t.drop();

// Test different types of operations: removals, updates, and index operations.
assert.commandWorked(t.createIndex({x: 1}));
assert.commandWorked(
    t.createIndex({y: 1}, {partialFilterExpression: {_id: {$gte: 500}}, unique: true}));
let rand = {"#RAND_INT": [0, 1000]};
let ops = [
    {op: "remove", ns: t.getFullName(), query: {_id: rand}, writeCmd: true},
    {op: "findOne", ns: t.getFullName(), query: {_id: rand}, readCmd: true},
    {
        op: "update",
        ns: t.getFullName(),
        query: {_id: rand},
        update: {$inc: {x: 1}},
        upsert: true,
        writeCmd: true
    },
    {op: "findOne", ns: t.getFullName(), query: {x: rand}, readCmd: true},
    {
        op: "update",
        ns: t.getFullName(),
        query: {_id: rand},
        update: {$inc: {y: 1}},
        upsert: true,
        writeCmd: true
    },
    {op: "findOne", ns: t.getFullName(), query: {y: rand}, readCmd: true},
    {op: "findOne", ns: t.getFullName(), query: {_id: rand}, readCmd: true},
];

let seconds = 5;
let parallel = 5;
let host = testDB.getMongo().host;

let benchArgs = {ops, seconds, parallel, host};

assert.commandWorked(testDB.adminCommand(
    {configureFailPoint: 'WTAlwaysNotifyPrepareConflictWaiters', mode: 'alwaysOn'}));

assert.commandWorked(testDB.adminCommand(
    {configureFailPoint: 'WTPrepareConflictForReads', mode: {activationProbability: 0.05}}));

res = benchRun(benchArgs);

assert.commandWorked(
    testDB.adminCommand({configureFailPoint: 'WTPrepareConflictForReads', mode: "off"}));

assert.commandWorked(
    testDB.adminCommand({configureFailPoint: 'WTAlwaysNotifyPrepareConflictWaiters', mode: 'off'}));
res = t.validate();
assert(res.valid, tojson(res));
MongoRunner.stopMongod(conn);
})();