prefer-to-be-object.test.ts

import { test, describe } from 'vitest'
import ruleTester from '../utils/tester'
import rule, { RULE_NAME } from './prefer-to-be-object'

const messageId = 'preferToBeObject'

describe(RULE_NAME, () => {
	test(RULE_NAME, () => {
		ruleTester.run(RULE_NAME, rule, {
			valid: [
				'expectTypeOf.hasAssertions',
				'expectTypeOf.hasAssertions()',
				'expectTypeOf',
				'expectTypeOf().not',
				'expectTypeOf().toBe',
				'expectTypeOf().toBe(true)',
				'expectTypeOf({}).toBe(true)',
				'expectTypeOf({}).toBeObject()',
				'expectTypeOf({}).not.toBeObject()',
				'expectTypeOf([] instanceof Array).not.toBeObject()',
				'expectTypeOf({}).not.toBeInstanceOf(Array)'
			],
			invalid: [
				{
					code: 'expectTypeOf(({} instanceof Object)).toBeTruthy();',
					output: 'expectTypeOf(({})).toBeObject();',
					errors: [{ messageId: 'preferToBeObject', column: 38, line: 1 }]
				},
				{
					code: 'expectTypeOf({} instanceof Object).toBeTruthy();',
					output: 'expectTypeOf({}).toBeObject();',
					errors: [{ messageId, column: 36, line: 1 }]
				},
				{
					code: 'expectTypeOf({} instanceof Object).not.toBeTruthy();',
					output: 'expectTypeOf({}).not.toBeObject();',
					errors: [{ messageId, column: 40, line: 1 }]
				},
				{
					code: 'expectTypeOf({} instanceof Object).toBeFalsy();',
					output: 'expectTypeOf({}).not.toBeObject();',
					errors: [{ messageId, column: 36, line: 1 }]
				},
				{
					code: 'expectTypeOf({} instanceof Object).not.toBeFalsy();',
					output: 'expectTypeOf({}).toBeObject();',
					errors: [{ messageId, column: 40, line: 1 }]
				},
				{
					code: 'expectTypeOf({}).toBeInstanceOf(Object);',
					output: 'expectTypeOf({}).toBeObject();',
					errors: [{ messageId, column: 18, line: 1 }]
				},
				{
					code: 'expectTypeOf({}).not.toBeInstanceOf(Object);',
					output: 'expectTypeOf({}).not.toBeObject();',
					errors: [{ messageId, column: 22, line: 1 }]
				},
				{
					code: 'expectTypeOf(requestValues()).resolves.toBeInstanceOf(Object);',
					output: 'expectTypeOf(requestValues()).resolves.toBeObject();',
					errors: [{ messageId, column: 40, line: 1 }]
				},
				{
					code: 'expectTypeOf(queryApi()).resolves.not.toBeInstanceOf(Object);',
					output: 'expectTypeOf(queryApi()).resolves.not.toBeObject();',
					errors: [{ messageId, column: 39, line: 1 }]
				}
			]
		})
	})
})