max-expects.js 2.1 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.default = void 0;
  6. var _utils = require("@typescript-eslint/utils");
  7. var _utils2 = require("./utils");
  8. var _default = (0, _utils2.createRule)({
  9. name: __filename,
  10. meta: {
  11. docs: {
  12. category: 'Best Practices',
  13. description: 'Enforces a maximum number assertion calls in a test body',
  14. recommended: false
  15. },
  16. messages: {
  17. exceededMaxAssertion: 'Too many assertion calls ({{ count }}). Maximum allowed is {{ max }}.'
  18. },
  19. type: 'suggestion',
  20. schema: [{
  21. type: 'object',
  22. properties: {
  23. max: {
  24. type: 'integer',
  25. minimum: 1
  26. }
  27. },
  28. additionalProperties: false
  29. }]
  30. },
  31. defaultOptions: [{
  32. max: 5
  33. }],
  34. create(context, [{
  35. max
  36. }]) {
  37. let count = 0;
  38. const maybeResetCount = node => {
  39. var _node$parent;
  40. const isTestFn = ((_node$parent = node.parent) === null || _node$parent === void 0 ? void 0 : _node$parent.type) !== _utils.AST_NODE_TYPES.CallExpression || (0, _utils2.isTypeOfJestFnCall)(node.parent, context, ['test']);
  41. if (isTestFn) {
  42. count = 0;
  43. }
  44. };
  45. return {
  46. FunctionExpression: maybeResetCount,
  47. 'FunctionExpression:exit': maybeResetCount,
  48. ArrowFunctionExpression: maybeResetCount,
  49. 'ArrowFunctionExpression:exit': maybeResetCount,
  50. CallExpression(node) {
  51. var _jestFnCall$head$node;
  52. const jestFnCall = (0, _utils2.parseJestFnCall)(node, context);
  53. if ((jestFnCall === null || jestFnCall === void 0 ? void 0 : jestFnCall.type) !== 'expect' || ((_jestFnCall$head$node = jestFnCall.head.node.parent) === null || _jestFnCall$head$node === void 0 ? void 0 : _jestFnCall$head$node.type) === _utils.AST_NODE_TYPES.MemberExpression) {
  54. return;
  55. }
  56. count += 1;
  57. if (count > max) {
  58. context.report({
  59. node,
  60. messageId: 'exceededMaxAssertion',
  61. data: {
  62. count,
  63. max
  64. }
  65. });
  66. }
  67. }
  68. };
  69. }
  70. });
  71. exports.default = _default;