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