/
prefer-named-capture-group.js
220 lines (212 loc) · 6.1 KB
/
prefer-named-capture-group.js
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/**
* @fileoverview Tests for prefer-named-capture-group rule.
* @author Pig Fang <https://github.com/g-plane>
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/prefer-named-capture-group"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2018 } });
ruleTester.run("prefer-named-capture-group", rule, {
valid: [
"/normal_regex/",
"/(?:[0-9]{4})/",
"/(?<year>[0-9]{4})/",
"/\\u{1F680}/u",
"new RegExp()",
"new RegExp(foo)",
"new RegExp('')",
"new RegExp('(?<year>[0-9]{4})')",
"RegExp()",
"RegExp(foo)",
"RegExp('')",
"RegExp('(?<year>[0-9]{4})')",
"RegExp('(')", // invalid regexp should be ignored
"RegExp('\\\\u{1F680}', 'u')"
],
invalid: [
{
code: "/([0-9]{4})/",
errors: [{
messageId: "required",
type: "Literal",
data: { group: "([0-9]{4})" },
line: 1,
column: 2,
endColumn: 12
}]
},
{
code: "new RegExp('([0-9]{4})')",
errors: [{
messageId: "required",
type: "NewExpression",
data: { group: "([0-9]{4})" },
line: 1,
column: 13,
endColumn: 23
}]
},
{
code: "RegExp('([0-9]{4})')",
errors: [{
messageId: "required",
type: "CallExpression",
data: { group: "([0-9]{4})" },
line: 1,
column: 9,
endColumn: 19
}]
},
{
code: "new RegExp(`a(bc)d`)",
errors: [{
messageId: "required",
type: "NewExpression",
data: { group: "(bc)" },
line: 1,
column: 14,
endColumn: 18
}]
},
{
code: "/([0-9]{4})-(\\w{5})/",
errors: [
{
messageId: "required",
type: "Literal",
data: { group: "([0-9]{4})" },
line: 1,
column: 2,
endColumn: 12
},
{
messageId: "required",
type: "Literal",
data: { group: "(\\w{5})" },
line: 1,
column: 13,
endColumn: 20
}
]
},
// For computed, multiline and strings with escape sequences, report the whole arguments[0] location.
{
code: "new RegExp('(' + 'a)')",
errors: [{
messageId: "required",
type: "NewExpression",
data: { group: "(a)" },
line: 1,
column: 12,
endColumn: 22
}]
},
{
code: "new RegExp('a(bc)d' + 'e')",
errors: [{
messageId: "required",
type: "NewExpression",
data: { group: "(bc)" },
line: 1,
column: 12,
endColumn: 26
}]
},
{
code: "RegExp('(a)'+'')",
errors: [{
messageId: "required",
type: "CallExpression",
data: { group: "(a)" },
line: 1,
column: 8,
endColumn: 16
}]
},
{
code: "RegExp( '' + '(ab)')",
errors: [{
messageId: "required",
type: "CallExpression",
data: { group: "(ab)" },
line: 1,
column: 9,
endColumn: 20
}]
},
{
code: "new RegExp(`(ab)${''}`)",
errors: [{
messageId: "required",
type: "NewExpression",
data: { group: "(ab)" },
line: 1,
column: 12,
endColumn: 23
}]
},
{
code: "new RegExp(`(a)\n`)",
errors: [{
messageId: "required",
type: "NewExpression",
data: { group: "(a)" },
line: 1,
column: 12,
endLine: 2,
endColumn: 2
}]
},
{
code: "RegExp(`a(b\nc)d`)",
errors: [{
messageId: "required",
type: "CallExpression",
data: { group: "(b\nc)" },
line: 1,
column: 8,
endLine: 2,
endColumn: 5
}]
},
{
code: "new RegExp('a(b)\\'')",
errors: [{
messageId: "required",
type: "NewExpression",
data: { group: "(b)" },
line: 1,
column: 12,
endColumn: 20
}]
},
{
code: "RegExp('(a)\\\\d')",
errors: [{
messageId: "required",
type: "CallExpression",
data: { group: "(a)" },
line: 1,
column: 8,
endColumn: 16
}]
},
{
code: "RegExp(`\\a(b)`)",
errors: [{
messageId: "required",
type: "CallExpression",
data: { group: "(b)" },
line: 1,
column: 8,
endColumn: 15
}]
}
]
});