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'use strict';
function validate(title, fn, metadata) {
if (metadata.type !== 'test') {
if (metadata.exclusive) {
return '`only` is only for tests and cannot be used with hooks';
}
if (metadata.failing) {
return '`failing` is only for tests and cannot be used with hooks';
}
if (metadata.todo) {
return '`todo` is only for documentation of future tests and cannot be used with hooks';
}
}
if (metadata.todo) {
if (typeof fn === 'function') {
return '`todo` tests are not allowed to have an implementation. Use ' +
'`test.skip()` for tests with an implementation.';
}
if (typeof title !== 'string') {
return '`todo` tests require a title';
}
if (metadata.skipped || metadata.failing || metadata.exclusive) {
return '`todo` tests are just for documentation and cannot be used with `skip`, `only`, or `failing`';
}
} else if (typeof fn !== 'function') {
return 'Expected an implementation. Use `test.todo()` for tests without an implementation.';
}
if (metadata.always) {
if (!(metadata.type === 'after' || metadata.type === 'afterEach')) {
return '`always` can only be used with `after` and `afterEach`';
}
}
if (metadata.skipped && metadata.exclusive) {
return '`only` tests cannot be skipped';
}
return null;
}
module.exports = validate;
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