eslint-plugin-jest/lib/rules/__tests__/no-truthy-falsy.test.js

Eslint rules for Jest

'use strict';

const _require = require('eslint'),
      RuleTester = _require.RuleTester;

const rule = require('../no-truthy-falsy');

const ruleTester = new RuleTester();
ruleTester.run('no-truthy-falsy', rule, {
  valid: ['expect(true).toBe(true);', 'expect(false).toBe(false);', 'expect("anything").toBe(true);', 'expect("anything").toEqual(false);', 'expect("anything").not.toBe(true);', 'expect("anything").not.toEqual(true);', 'expect(Promise.resolve({})).resolves.toBe(true);', 'expect(Promise.reject({})).rejects.toBe(true);'],
  invalid: [{
    code: 'expect(true).toBeTruthy();',
    errors: [{
      messageId: 'avoidMessage',
      data: {
        methodName: 'toBeTruthy'
      },
      column: 14,
      line: 1
    }]
  }, {
    code: 'expect(false).not.toBeTruthy();',
    errors: [{
      messageId: 'avoidMessage',
      data: {
        methodName: 'toBeTruthy'
      },
      column: 19,
      line: 1
    }]
  }, {
    code: 'expect(Promise.resolve({})).resolves.toBeTruthy()',
    errors: [{
      messageId: 'avoidMessage',
      data: {
        methodName: 'toBeTruthy'
      },
      column: 38,
      line: 1
    }]
  }, {
    code: 'expect(Promise.resolve({})).rejects.toBeTruthy()',
    errors: [{
      messageId: 'avoidMessage',
      data: {
        methodName: 'toBeTruthy'
      },
      column: 37,
      line: 1
    }]
  }, {
    code: 'expect(false).toBeFalsy();',
    errors: [{
      messageId: 'avoidMessage',
      data: {
        methodName: 'toBeFalsy'
      },
      column: 15,
      line: 1
    }]
  }, {
    code: 'expect(true).not.toBeFalsy();',
    errors: [{
      messageId: 'avoidMessage',
      data: {
        methodName: 'toBeFalsy'
      },
      column: 18,
      line: 1
    }]
  }, {
    code: 'expect(Promise.resolve({})).resolves.toBeFalsy()',
    errors: [{
      messageId: 'avoidMessage',
      data: {
        methodName: 'toBeFalsy'
      },
      column: 38,
      line: 1
    }]
  }, {
    code: 'expect(Promise.resolve({})).rejects.toBeFalsy()',
    errors: [{
      messageId: 'avoidMessage',
      data: {
        methodName: 'toBeFalsy'
      },
      column: 37,
      line: 1
    }]
  }]
});