/
prefer-expect-assertions.test.js
93 lines (88 loc) · 1.97 KB
/
prefer-expect-assertions.test.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
'use strict';
const RuleTester = require('eslint').RuleTester;
const rule = require('../prefer-expect-assertions');
const ruleTester = new RuleTester({
parserOptions: {
ecmaVersion: 6,
},
});
const expectedMsg =
'Every test should have either `expect.assertions(<number of assertions>)` or `expect.hasAssertions()` as its first expression';
ruleTester.run('prefer-expect-assertions', rule, {
invalid: [
{
code: 'it("it1", () => {})',
errors: [
{
message: expectedMsg,
},
],
},
{
code: 'it("it1", () => { foo()})',
errors: [
{
message: expectedMsg,
},
],
},
{
code:
'it("it1", function() {' +
'\n\t\t\tsomeFunctionToDo();' +
'\n\t\t\tsomeFunctionToDo2();\n' +
'\t\t\t})',
errors: [
{
message: expectedMsg,
},
],
},
{
code: 'it("it1", function() {var a = 2;})',
errors: [
{
message: expectedMsg,
},
],
},
{
code: 'it("it1", function() {expect.assertions();})',
errors: [
{
message: expectedMsg,
},
],
},
{
code: 'it("it1", function() {expect.assertions(1,2);})',
errors: [
{
message: expectedMsg,
},
],
},
{
code: 'it("it1", function() {expect.assertions("1");})',
errors: [
{
message: expectedMsg,
},
],
},
],
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() {})',
],
});