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import {chalk} from '../chalk.js';
import pkg from '../pkg.cjs';
export default function buildMessage(error) {
if (!error.improperUsage) {
return null;
}
const {assertion} = error;
if (assertion === 'throws' || assertion === 'notThrows') {
return `Try wrapping the first argument to \`t.${assertion}()\` in a function:
${chalk.cyan(`t.${assertion}(() => { `)}${chalk.grey('/* your code here */')}${chalk.cyan(' })')}
Visit the following URL for more details:
${chalk.blue.underline(`https://github.com/avajs/ava/blob/v${pkg.version}/docs/03-assertions.md#throwsfn-expected-message`)}`;
}
if (assertion === 'snapshot') {
const {name, snapPath} = error.improperUsage;
if (name === 'ChecksumError' || name === 'InvalidSnapshotError') {
return `The snapshot file is corrupted.
File path: ${chalk.yellow(snapPath)}
Please run AVA again with the ${chalk.cyan('--update-snapshots')} flag to recreate it.`;
}
if (name === 'LegacyError') {
return `The snapshot file was created with AVA 0.19. It’s not supported by this AVA version.
File path: ${chalk.yellow(snapPath)}
Please run AVA again with the ${chalk.cyan('--update-snapshots')} flag to upgrade.`;
}
if (name === 'VersionMismatchError') {
const {snapVersion, expectedVersion} = error.improperUsage;
const upgradeMessage = snapVersion < expectedVersion
? `Please run AVA again with the ${chalk.cyan('--update-snapshots')} flag to upgrade.`
: 'You should upgrade AVA.';
return `The snapshot file is v${snapVersion}, but only v${expectedVersion} is supported.
File path: ${chalk.yellow(snapPath)}
${upgradeMessage}`;
}
}
return null;
}