/
no-irregular-whitespace.js
998 lines (986 loc) · 31.3 KB
/
no-irregular-whitespace.js
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/**
* @fileoverview Tests for no-irregular-whitespace rule.
* @author Jonathan Kingston
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/no-irregular-whitespace"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
const expectedErrors = [{
messageId: "noIrregularWhitespace",
type: "Program"
}];
const expectedCommentErrors = [{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 4
}];
ruleTester.run("no-irregular-whitespace", rule, {
valid: [
"'\\u000B';",
"'\\u000C';",
"'\\u0085';",
"'\\u00A0';",
"'\\u180E';",
"'\\ufeff';",
"'\\u2000';",
"'\\u2001';",
"'\\u2002';",
"'\\u2003';",
"'\\u2004';",
"'\\u2005';",
"'\\u2006';",
"'\\u2007';",
"'\\u2008';",
"'\\u2009';",
"'\\u200A';",
"'\\u200B';",
"'\\u2028';",
"'\\u2029';",
"'\\u202F';",
"'\\u205f';",
"'\\u3000';",
"'\u000B';",
"'\u000C';",
"'\u0085';",
"'\u00A0';",
"'\u180E';",
"'\ufeff';",
"'\u2000';",
"'\u2001';",
"'\u2002';",
"'\u2003';",
"'\u2004';",
"'\u2005';",
"'\u2006';",
"'\u2007';",
"'\u2008';",
"'\u2009';",
"'\u200A';",
"'\u200B';",
"'\\\u2028';", // multiline string
"'\\\u2029';", // multiline string
"'\u202F';",
"'\u205f';",
"'\u3000';",
{ code: "// \u000B", options: [{ skipComments: true }] },
{ code: "// \u000C", options: [{ skipComments: true }] },
{ code: "// \u0085", options: [{ skipComments: true }] },
{ code: "// \u00A0", options: [{ skipComments: true }] },
{ code: "// \u180E", options: [{ skipComments: true }] },
{ code: "// \ufeff", options: [{ skipComments: true }] },
{ code: "// \u2000", options: [{ skipComments: true }] },
{ code: "// \u2001", options: [{ skipComments: true }] },
{ code: "// \u2002", options: [{ skipComments: true }] },
{ code: "// \u2003", options: [{ skipComments: true }] },
{ code: "// \u2004", options: [{ skipComments: true }] },
{ code: "// \u2005", options: [{ skipComments: true }] },
{ code: "// \u2006", options: [{ skipComments: true }] },
{ code: "// \u2007", options: [{ skipComments: true }] },
{ code: "// \u2008", options: [{ skipComments: true }] },
{ code: "// \u2009", options: [{ skipComments: true }] },
{ code: "// \u200A", options: [{ skipComments: true }] },
{ code: "// \u200B", options: [{ skipComments: true }] },
{ code: "// \u202F", options: [{ skipComments: true }] },
{ code: "// \u205f", options: [{ skipComments: true }] },
{ code: "// \u3000", options: [{ skipComments: true }] },
{ code: "/* \u000B */", options: [{ skipComments: true }] },
{ code: "/* \u000C */", options: [{ skipComments: true }] },
{ code: "/* \u0085 */", options: [{ skipComments: true }] },
{ code: "/* \u00A0 */", options: [{ skipComments: true }] },
{ code: "/* \u180E */", options: [{ skipComments: true }] },
{ code: "/* \ufeff */", options: [{ skipComments: true }] },
{ code: "/* \u2000 */", options: [{ skipComments: true }] },
{ code: "/* \u2001 */", options: [{ skipComments: true }] },
{ code: "/* \u2002 */", options: [{ skipComments: true }] },
{ code: "/* \u2003 */", options: [{ skipComments: true }] },
{ code: "/* \u2004 */", options: [{ skipComments: true }] },
{ code: "/* \u2005 */", options: [{ skipComments: true }] },
{ code: "/* \u2006 */", options: [{ skipComments: true }] },
{ code: "/* \u2007 */", options: [{ skipComments: true }] },
{ code: "/* \u2008 */", options: [{ skipComments: true }] },
{ code: "/* \u2009 */", options: [{ skipComments: true }] },
{ code: "/* \u200A */", options: [{ skipComments: true }] },
{ code: "/* \u200B */", options: [{ skipComments: true }] },
{ code: "/* \u2028 */", options: [{ skipComments: true }] },
{ code: "/* \u2029 */", options: [{ skipComments: true }] },
{ code: "/* \u202F */", options: [{ skipComments: true }] },
{ code: "/* \u205f */", options: [{ skipComments: true }] },
{ code: "/* \u3000 */", options: [{ skipComments: true }] },
{ code: "/\u000B/", options: [{ skipRegExps: true }] },
{ code: "/\u000C/", options: [{ skipRegExps: true }] },
{ code: "/\u0085/", options: [{ skipRegExps: true }] },
{ code: "/\u00A0/", options: [{ skipRegExps: true }] },
{ code: "/\u180E/", options: [{ skipRegExps: true }] },
{ code: "/\ufeff/", options: [{ skipRegExps: true }] },
{ code: "/\u2000/", options: [{ skipRegExps: true }] },
{ code: "/\u2001/", options: [{ skipRegExps: true }] },
{ code: "/\u2002/", options: [{ skipRegExps: true }] },
{ code: "/\u2003/", options: [{ skipRegExps: true }] },
{ code: "/\u2004/", options: [{ skipRegExps: true }] },
{ code: "/\u2005/", options: [{ skipRegExps: true }] },
{ code: "/\u2006/", options: [{ skipRegExps: true }] },
{ code: "/\u2007/", options: [{ skipRegExps: true }] },
{ code: "/\u2008/", options: [{ skipRegExps: true }] },
{ code: "/\u2009/", options: [{ skipRegExps: true }] },
{ code: "/\u200A/", options: [{ skipRegExps: true }] },
{ code: "/\u200B/", options: [{ skipRegExps: true }] },
{ code: "/\u202F/", options: [{ skipRegExps: true }] },
{ code: "/\u205f/", options: [{ skipRegExps: true }] },
{ code: "/\u3000/", options: [{ skipRegExps: true }] },
{ code: "`\u000B`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u000C`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u0085`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u00A0`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u180E`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\ufeff`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2000`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2001`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2002`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2003`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2004`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2005`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2006`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2007`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2008`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u2009`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u200A`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u200B`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u202F`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u205f`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u3000`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "`\u3000${foo}\u3000`", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "const error = ` \u3000 `;", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "const error = `\n\u3000`;", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "const error = `\u3000\n`;", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "const error = `\n\u3000\n`;", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
{ code: "const error = `foo\u3000bar\nfoo\u3000bar`;", options: [{ skipTemplates: true }], parserOptions: { ecmaVersion: 6 } },
// Unicode BOM.
"\uFEFFconsole.log('hello BOM');"
],
invalid: [
{
code: "var any \u000B = 'thing';",
errors: expectedErrors
},
{
code: "var any \u000C = 'thing';",
errors: expectedErrors
},
{
code: "var any \u00A0 = 'thing';",
errors: expectedErrors
},
/*
* it was moved out of General_Category=Zs (separator, space) in Unicode 6.3.0, so should not be considered a whitespace character.
* https://codeblog.jonskeet.uk/2014/12/01/when-is-an-identifier-not-an-identifier-attack-of-the-mongolian-vowel-separator/
* {
* code: "var any \u180E = 'thing';",
* errors: expectedErrors
* },
*/
{
code: "var any \ufeff = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2000 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2001 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2002 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2003 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2004 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2005 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2006 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2007 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2008 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2009 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u200A = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2028 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u2029 = 'thing';",
errors: expectedErrors
},
{
code: "var any \u202F = 'thing';",
errors: expectedErrors
},
{
code: "var any \u205f = 'thing';",
errors: expectedErrors
},
{
code: "var any \u3000 = 'thing';",
errors: expectedErrors
},
{
code: "var a = 'b',\u2028c = 'd',\ne = 'f'\u2028",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 13
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 3,
column: 8
}
]
},
{
code: "var any \u3000 = 'thing', other \u3000 = 'thing';\nvar third \u3000 = 'thing';",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 9
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 28
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 2,
column: 11
}
]
},
{
code: "// \u000B",
errors: expectedCommentErrors
},
{
code: "// \u000C",
errors: expectedCommentErrors
},
{
code: "// \u0085",
errors: expectedCommentErrors
},
{
code: "// \u00A0",
errors: expectedCommentErrors
},
{
code: "// \u180E",
errors: expectedCommentErrors
},
{
code: "// \ufeff",
errors: expectedCommentErrors
},
{
code: "// \u2000",
errors: expectedCommentErrors
},
{
code: "// \u2001",
errors: expectedCommentErrors
},
{
code: "// \u2002",
errors: expectedCommentErrors
},
{
code: "// \u2003",
errors: expectedCommentErrors
},
{
code: "// \u2004",
errors: expectedCommentErrors
},
{
code: "// \u2005",
errors: expectedCommentErrors
},
{
code: "// \u2006",
errors: expectedCommentErrors
},
{
code: "// \u2007",
errors: expectedCommentErrors
},
{
code: "// \u2008",
errors: expectedCommentErrors
},
{
code: "// \u2009",
errors: expectedCommentErrors
},
{
code: "// \u200A",
errors: expectedCommentErrors
},
{
code: "// \u200B",
errors: expectedCommentErrors
},
{
code: "// \u202F",
errors: expectedCommentErrors
},
{
code: "// \u205f",
errors: expectedCommentErrors
},
{
code: "// \u3000",
errors: expectedCommentErrors
},
{
code: "/* \u000B */",
errors: expectedCommentErrors
},
{
code: "/* \u000C */",
errors: expectedCommentErrors
},
{
code: "/* \u0085 */",
errors: expectedCommentErrors
},
{
code: "/* \u00A0 */",
errors: expectedCommentErrors
},
{
code: "/* \u180E */",
errors: expectedCommentErrors
},
{
code: "/* \ufeff */",
errors: expectedCommentErrors
},
{
code: "/* \u2000 */",
errors: expectedCommentErrors
},
{
code: "/* \u2001 */",
errors: expectedCommentErrors
},
{
code: "/* \u2002 */",
errors: expectedCommentErrors
},
{
code: "/* \u2003 */",
errors: expectedCommentErrors
},
{
code: "/* \u2004 */",
errors: expectedCommentErrors
},
{
code: "/* \u2005 */",
errors: expectedCommentErrors
},
{
code: "/* \u2006 */",
errors: expectedCommentErrors
},
{
code: "/* \u2007 */",
errors: expectedCommentErrors
},
{
code: "/* \u2008 */",
errors: expectedCommentErrors
},
{
code: "/* \u2009 */",
errors: expectedCommentErrors
},
{
code: "/* \u200A */",
errors: expectedCommentErrors
},
{
code: "/* \u200B */",
errors: expectedCommentErrors
},
{
code: "/* \u2028 */",
errors: expectedCommentErrors
},
{
code: "/* \u2029 */",
errors: expectedCommentErrors
},
{
code: "/* \u202F */",
errors: expectedCommentErrors
},
{
code: "/* \u205f */",
errors: expectedCommentErrors
},
{
code: "/* \u3000 */",
errors: expectedCommentErrors
},
{
code: "var any = /\u3000/, other = /\u000B/;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 12
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 25
}
]
},
{
code: "var any = '\u3000', other = '\u000B';",
options: [{ skipStrings: false }],
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 12
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 25
}
]
},
{
code: "var any = `\u3000`, other = `\u000B`;",
options: [{ skipTemplates: false }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 12
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 25
}
]
},
{
code: "`something ${\u3000 10} another thing`",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 14
}
]
},
{
code: "`something ${10\u3000} another thing`",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 16
}
]
},
{
code: "\u3000\n`\u3000template`",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "\u3000\n`\u3000multiline\ntemplate`",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "\u3000`\u3000template`",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "\u3000`\u3000multiline\ntemplate`",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "`\u3000template`\u3000",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 12
}
]
},
{
code: "`\u3000multiline\ntemplate`\u3000",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 2,
column: 10
}
]
},
{
code: "`\u3000template`\n\u3000",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 2,
column: 1
}
]
},
{
code: "`\u3000multiline\ntemplate`\n\u3000",
options: [{ skipTemplates: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 3,
column: 1
}
]
},
// full location tests
{
code: "var foo = \u000B bar;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 11,
endLine: 1,
endColumn: 12
}
]
},
{
code: "var foo =\u000Bbar;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 10,
endLine: 1,
endColumn: 11
}
]
},
{
code: "var foo = \u000B\u000B bar;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 11,
endLine: 1,
endColumn: 13
}
]
},
{
code: "var foo = \u000B\u000C bar;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 11,
endLine: 1,
endColumn: 13
}
]
},
{
code: "var foo = \u000B \u000B bar;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 11,
endLine: 1,
endColumn: 12
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 13,
endLine: 1,
endColumn: 14
}
]
},
{
code: "var foo = \u000Bbar\u000B;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 11,
endLine: 1,
endColumn: 12
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 15,
endLine: 1,
endColumn: 16
}
]
},
{
code: "\u000B",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 1,
endLine: 1,
endColumn: 2
}
]
},
{
code: "\u00A0\u2002\u2003",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 1,
endLine: 1,
endColumn: 4
}
]
},
{
code: "var foo = \u000B\nbar;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 11,
endLine: 1,
endColumn: 12
}
]
},
{
code: "var foo =\u000B\n\u000Bbar;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 10,
endLine: 1,
endColumn: 11
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 2,
column: 1,
endLine: 2,
endColumn: 2
}
]
},
{
code: "var foo = \u000C\u000B\n\u000C\u000B\u000Cbar\n;\u000B\u000C\n",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 11,
endLine: 1,
endColumn: 13
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 2,
column: 1,
endLine: 2,
endColumn: 4
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 3,
column: 2,
endLine: 3,
endColumn: 4
}
]
},
{
code: "var foo = \u2028bar;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 11,
endLine: 2,
endColumn: 1
}
]
},
{
code: "var foo =\u2029 bar;",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 10,
endLine: 2,
endColumn: 1
}
]
},
{
code: "var foo = bar;\u2028",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 15,
endLine: 2,
endColumn: 1
}
]
},
{
code: "\u2029",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 1,
endLine: 2,
endColumn: 1
}
]
},
{
code: "foo\u2028\u2028",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 4,
endLine: 2,
endColumn: 1
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 2,
column: 1,
endLine: 3,
endColumn: 1
}
]
},
{
code: "foo\u2029\u2028",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 4,
endLine: 2,
endColumn: 1
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 2,
column: 1,
endLine: 3,
endColumn: 1
}
]
},
{
code: "foo\u2028\n\u2028",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 4,
endLine: 2,
endColumn: 1
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 3,
column: 1,
endLine: 4,
endColumn: 1
}
]
},
{
code: "foo\u000B\u2028\u000B",
errors: [
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 4,
endLine: 1,
endColumn: 5
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 1,
column: 5,
endLine: 2,
endColumn: 1
},
{
messageId: "noIrregularWhitespace",
type: "Program",
line: 2,
column: 1,
endLine: 2,
endColumn: 2
}
]
}
]
});