E2E testing with Cypress for Web3 applications
summary
Shows how end-to-end tests actually exercise blockchain interactions using Cypress SESS plus Cypress to control MetaMask and a local testnet, turning window.ethereum into a provider and using ABIs to call balanceOf and transfer on a LINK token contract. Demonstrates tests that import wallets, switch networks, read token balances, reject a transfer, confirm a transfer and wait for transaction receipts; occasional gas estimation failures occur on slow networks but the scripted tests run and report pass/fail.
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chapters (8)
- 0:00Introduction to E2E testing
- 2:33Why Cypress for testing
- 4:43Web3 architecture fundamentals
- 9:55Web3 development tools
- 14:37Web3 interaction examples
- 22:11Challenges in Web3 testing
- 23:49Introducing Synpress
- 24:31Practical demo and conclusion
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