eslint-plugin-jest/lib/rules/__tests__/prefer-expect-assertions.test.js

Eslint rules for Jest

'use strict';

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

const rule = require('../prefer-expect-assertions');

const ruleTester = new RuleTester({
  parserOptions: {
    ecmaVersion: 6
  }
});
ruleTester.run('prefer-expect-assertions', rule, {
  invalid: [{
    code: 'it("it1", () => {})',
    errors: [{
      messageId: 'haveExpectAssertions'
    }]
  }, {
    code: 'it("it1", () => { foo()})',
    errors: [{
      messageId: 'haveExpectAssertions'
    }]
  }, {
    code: 'it("it1", function() {' + '\n\t\t\tsomeFunctionToDo();' + '\n\t\t\tsomeFunctionToDo2();\n' + '\t\t\t})',
    errors: [{
      messageId: 'haveExpectAssertions'
    }]
  }, {
    code: 'it("it1", function() {var a = 2;})',
    errors: [{
      messageId: 'haveExpectAssertions'
    }]
  }, {
    code: 'it("it1", function() {expect.assertions();})',
    errors: [{
      messageId: 'haveExpectAssertions'
    }]
  }, {
    code: 'it("it1", function() {expect.assertions(1,2);})',
    errors: [{
      messageId: 'haveExpectAssertions'
    }]
  }, {
    code: 'it("it1", function() {expect.assertions("1");})',
    errors: [{
      messageId: 'haveExpectAssertions'
    }]
  }],
  valid: [{
    code: 'test("it1", () => {expect.assertions(0);})'
  }, 'test("it1", function() {expect.assertions(0);})', 'test("it1", function() {expect.hasAssertions();})', 'it("it1", function() {expect.assertions(0);})', 'it("it1", function() {\n\t\t\texpect.assertions(1);' + '\n\t\t\texpect(someValue).toBe(true)\n' + '\t\t\t})', 'test("it1")', 'itHappensToStartWithIt("foo", function() {})', 'testSomething("bar", function() {})']
});