no-non-null-asserted-optional-chain.test.ts

import rule from '../../src/rules/no-non-null-asserted-optional-chain';
import { RuleTester } from '../RuleTester';

const ruleTester = new RuleTester({
  parser: '@typescript-eslint/parser',
});

ruleTester.run('no-non-null-asserted-optional-chain', rule, {
  valid: [
    'foo.bar!',
    'foo.bar()!',
    'foo?.bar',
    'foo?.bar()',
    '(foo?.bar).baz!',
    '(foo?.bar()).baz!',
  ],
  invalid: [
    {
      code: 'foo?.bar!',
      errors: [
        {
          messageId: 'noNonNullOptionalChain',
          suggestions: [
            {
              messageId: 'suggestRemovingNonNull',
              output: 'foo?.bar',
            },
          ],
        },
      ],
    },
    {
      code: 'foo?.bar()!',
      errors: [
        {
          messageId: 'noNonNullOptionalChain',
          suggestions: [
            {
              messageId: 'suggestRemovingNonNull',
              output: 'foo?.bar()',
            },
          ],
        },
      ],
    },
    {
      code: 'foo?.bar!()',
      errors: [
        {
          messageId: 'noNonNullOptionalChain',
          suggestions: [
            {
              messageId: 'suggestRemovingNonNull',
              output: 'foo?.bar()',
            },
          ],
        },
      ],
    },
    {
      code: '(foo?.bar)!.baz',
      errors: [
        {
          messageId: 'noNonNullOptionalChain',
          suggestions: [
            {
              messageId: 'suggestRemovingNonNull',
              output: '(foo?.bar).baz',
            },
          ],
        },
      ],
    },
    {
      code: '(foo?.bar)!().baz',
      errors: [
        {
          messageId: 'noNonNullOptionalChain',
          suggestions: [
            {
              messageId: 'suggestRemovingNonNull',
              output: '(foo?.bar)().baz',
            },
          ],
        },
      ],
    },
    {
      code: '(foo?.bar)!',
      errors: [
        {
          messageId: 'noNonNullOptionalChain',
          suggestions: [
            {
              messageId: 'suggestRemovingNonNull',
              output: '(foo?.bar)',
            },
          ],
        },
      ],
    },
    {
      code: '(foo?.bar)!()',
      errors: [
        {
          messageId: 'noNonNullOptionalChain',
          suggestions: [
            {
              messageId: 'suggestRemovingNonNull',
              output: '(foo?.bar)()',
            },
          ],
        },
      ],
    },
    {
      code: '(foo?.bar!)',
      errors: [
        {
          messageId: 'noNonNullOptionalChain',
          suggestions: [
            {
              messageId: 'suggestRemovingNonNull',
              output: '(foo?.bar)',
            },
          ],
        },
      ],
    },
    {
      code: '(foo?.bar!)()',
      errors: [
        {
          messageId: 'noNonNullOptionalChain',
          suggestions: [
            {
              messageId: 'suggestRemovingNonNull',
              output: '(foo?.bar)()',
            },
          ],
        },
      ],
    },
  ],
});