Overview

Learn how to automatically generate wrappers for Tolk contracts

Learn how to use test attributes to control test behavior, skip tests, and set expectations

Learn how to run parameterized tests with generated inputs, assumptions, and bounds

Learn how to configure test runner behavior through project settings and command line options

Learn how to save and restore local emulation state as JSON fixtures inside tests

Learn how to use testing.createTraceIterationCursor() and TxCursor to execute transaction chains in parts

Learn how to inspect traces, transaction trees, logs, and failures in the browser UI

Reference for the JSON artifacts written by acton test --save-test-trace and reused by the Test UI

Find transaction predicates, map expectations, and out-action helpers before writing your own matchers

Learn how to read the text trace format printed by println(txs) and matcher failures

Learn how to profile opcode and transaction-chain gas/fee metrics, save snapshots, and compare with baselines

Learn how to test contracts against real blockchain state by forking testnet or mainnet

Learn how to measure and analyze code coverage in your Tolk smart contract tests

Learn how to use mutation testing to assess the quality of your test suite

Practical examples and code snippets for common testing scenarios in Tolk smart contracts

Learn how to add custom matchers for expect() calls