no-wait-for-multiple-assertions.js
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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RULE_NAME = void 0;
const create_testing_library_rule_1 = require("../create-testing-library-rule");
const node_utils_1 = require("../node-utils");
exports.RULE_NAME = 'no-wait-for-multiple-assertions';
exports.default = (0, create_testing_library_rule_1.createTestingLibraryRule)({
name: exports.RULE_NAME,
meta: {
type: 'suggestion',
docs: {
description: 'Disallow the use of multiple `expect` calls inside `waitFor`',
recommendedConfig: {
dom: 'error',
angular: 'error',
react: 'error',
vue: 'error',
marko: 'error',
},
},
messages: {
noWaitForMultipleAssertion: 'Avoid using multiple assertions within `waitFor` callback',
},
schema: [],
},
defaultOptions: [],
create(context, _, helpers) {
function getExpectNodes(body) {
return body.filter((node) => {
if (!(0, node_utils_1.isExpressionStatement)(node)) {
return false;
}
const expressionIdentifier = (0, node_utils_1.getPropertyIdentifierNode)(node);
if (!expressionIdentifier) {
return false;
}
return expressionIdentifier.name === 'expect';
});
}
function reportMultipleAssertion(node) {
if (!node.parent) {
return;
}
const callExpressionNode = node.parent.parent;
const callExpressionIdentifier = (0, node_utils_1.getPropertyIdentifierNode)(callExpressionNode);
if (!callExpressionIdentifier) {
return;
}
if (!helpers.isAsyncUtil(callExpressionIdentifier, ['waitFor'])) {
return;
}
const expectNodes = getExpectNodes(node.body);
if (expectNodes.length <= 1) {
return;
}
for (let i = 0; i < expectNodes.length; i++) {
if (i !== 0) {
context.report({
node: expectNodes[i],
messageId: 'noWaitForMultipleAssertion',
});
}
}
}
return {
'CallExpression > ArrowFunctionExpression > BlockStatement': reportMultipleAssertion,
'CallExpression > FunctionExpression > BlockStatement': reportMultipleAssertion,
};
},
});