/
no-trailing-spaces.js
552 lines (543 loc) · 15.8 KB
/
no-trailing-spaces.js
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/**
* @fileoverview Disallow trailing spaces at the end of lines.
* @author Nodeca Team <https://github.com/nodeca>
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/no-trailing-spaces"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("no-trailing-spaces", rule, {
valid: [
{
code: "var a = 5;",
options: [{}]
},
{
code: "var a = 5,\n b = 3;",
options: [{}]
},
"var a = 5;",
"var a = 5,\n b = 3;",
{
code: "var a = 5,\n b = 3;",
options: [{ skipBlankLines: true }]
},
{
code: " ",
options: [{ skipBlankLines: true }]
},
{
code: "\t",
options: [{ skipBlankLines: true }]
},
{
code: " \n var c = 1;",
options: [{ skipBlankLines: true }]
},
{
code: "\t\n\tvar c = 2;",
options: [{ skipBlankLines: true }]
},
{
code: "\n var c = 3;",
options: [{ skipBlankLines: true }]
},
{
code: "\n\tvar c = 4;",
options: [{ skipBlankLines: true }]
},
{
code: "let str = `${a}\n \n${b}`;",
parserOptions: { ecmaVersion: 6 }
},
{
code: "let str = `${a}\n \n${b}`;\n \n ",
options: [{ skipBlankLines: true }],
parserOptions: { ecmaVersion: 6 }
},
{
code: "// Trailing comment test. ",
options: [{ ignoreComments: true }]
},
{
code: "// Trailing comment test.",
options: [{ ignoreComments: false }]
},
{
code: "// Trailing comment test.",
options: []
},
{
code: "/* \nTrailing comments test. \n*/",
options: [{ ignoreComments: true }]
},
{
code: "#!/usr/bin/env node ",
options: [{ ignoreComments: true }]
}
],
invalid: [
{
code:
"var short2 = true;\r\n" +
"\r\n" +
"module.exports = {\r\n" +
" short: short, \r\n" +
" short2: short\r\n" +
"}",
output:
"var short2 = true;\r\n" +
"\r\n" +
"module.exports = {\r\n" +
" short: short,\r\n" +
" short2: short\r\n" +
"}",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code:
"var short2 = true;\n" +
"\r\n" +
"module.exports = {\r\n" +
" short: short, \r\n" +
" short2: short\n" +
"}",
output:
"var short2 = true;\n" +
"\r\n" +
"module.exports = {\r\n" +
" short: short,\r\n" +
" short2: short\n" +
"}",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code:
"var short2 = true;\n" +
"\n" +
"module.exports = {\n" +
" short: short, \n" +
" short2: short\n" +
"}\n",
output:
"var short2 = true;\n" +
"\n" +
"module.exports = {\n" +
" short: short,\n" +
" short2: short\n" +
"}\n",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code:
"var short2 = true;\n" +
"\n" +
"module.exports = {\n" +
" short, \n" +
" short2\n" +
"}\n",
output:
"var short2 = true;\n" +
"\n" +
"module.exports = {\n" +
" short,\n" +
" short2\n" +
"}\n",
parserOptions: { ecmaVersion: 6 },
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code:
"\n" +
"measAr.push(\"<dl></dl>\", \n" +
" \" </dt><dd class ='pta-res'>\");",
output:
"\n" +
"measAr.push(\"<dl></dl>\",\n" +
" \" </dt><dd class ='pta-res'>\");",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code:
"measAr.push(\"<dl></dl>\", \n" +
" \" </dt><dd class ='pta-res'>\");",
output:
"measAr.push(\"<dl></dl>\",\n" +
" \" </dt><dd class ='pta-res'>\");",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code: "var a = 5; \n",
output: "var a = 5;\n",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code: "var a = 5; \n b = 3; ",
output: "var a = 5;\n b = 3;",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}, {
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code: "var a = 5; \n\n b = 3; ",
output: "var a = 5;\n\n b = 3;",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}, {
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code: "var a = 5;\t\n b = 3;",
output: "var a = 5;\n b = 3;",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code: " \n var c = 1;",
output: "\n var c = 1;",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code: "\t\n\tvar c = 2;",
output: "\n\tvar c = 2;",
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code: "var a = 5; \n",
output: "var a = 5;\n",
options: [{}],
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code: "var a = 5; \n b = 3; ",
output: "var a = 5;\n b = 3;",
options: [{}],
errors: [{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 11,
endLine: 1,
endColumn: 12
}, {
message: "Trailing spaces not allowed.",
type: "Program",
line: 2,
column: 8,
endLine: 2,
endColumn: 9
}]
},
{
code: "var a = 5;\t\n b = 3;",
output: "var a = 5;\n b = 3;",
options: [{}],
errors: [{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 11,
endLine: 1,
endColumn: 12
}]
},
{
code: " \n var c = 1;",
output: "\n var c = 1;",
options: [{}],
errors: [{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 1,
endLine: 1,
endColumn: 6
}]
},
{
code: "\t\n\tvar c = 2;",
output: "\n\tvar c = 2;",
options: [{}],
errors: [{
message: "Trailing spaces not allowed.",
type: "Program"
}]
},
{
code: "var a = 'bar'; \n \n\t",
output: "var a = 'bar';\n \n\t",
options: [{
skipBlankLines: true
}],
errors: [{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 15, // there are invalid spaces in columns 15 and 16
endLine: 1,
endColumn: 17
}]
},
{
code: "var a = 'foo'; \nvar b = 'bar'; \n \n",
output: "var a = 'foo';\nvar b = 'bar';\n \n",
options: [{
skipBlankLines: true
}],
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 15,
endLine: 1,
endColumn: 18
},
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 2,
column: 15,
endLine: 2,
endColumn: 17
}
]
},
{
code: "let str = `${a}\n \n${b}`; \n",
output: "let str = `${a}\n \n${b}`;\n",
parserOptions: { ecmaVersion: 6 },
errors: [{
message: "Trailing spaces not allowed.",
type: "Program",
line: 3,
column: 7,
endLine: 3,
endColumn: 9
}]
},
{
code: "let str = `\n${a}\n \n${b}`; \n\t",
output: "let str = `\n${a}\n \n${b}`;\n",
parserOptions: { ecmaVersion: 6 },
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 4,
column: 7,
endLine: 4,
endColumn: 9
},
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 5,
column: 1,
endLine: 5,
endColumn: 2
}
]
},
{
code: "let str = ` \n ${a}\n \n${b}`; \n",
output: "let str = ` \n ${a}\n \n${b}`;\n",
parserOptions: { ecmaVersion: 6 },
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 4,
column: 7,
endLine: 4,
endColumn: 9
}
]
},
{
code: "let str = `${a}\n \n${b}`; \n \n",
output: "let str = `${a}\n \n${b}`;\n \n",
options: [{
skipBlankLines: true
}],
parserOptions: { ecmaVersion: 6 },
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 3,
column: 7,
endLine: 3,
endColumn: 9
}
]
},
// https://github.com/eslint/eslint/issues/6933
{
code: " \nabcdefg ",
output: " \nabcdefg",
options: [{ skipBlankLines: true }],
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 2,
column: 8,
endLine: 2,
endColumn: 9
}
]
},
{
code: " \nabcdefg ",
output: "\nabcdefg",
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 1,
endLine: 1,
endColumn: 5
},
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 2,
column: 8,
endLine: 2,
endColumn: 9
}
]
},
// Tests for ignoreComments flag.
{
code: "var foo = 'bar'; ",
output: "var foo = 'bar';",
options: [{ ignoreComments: true }],
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 17,
endLine: 1,
endColumn: 18
}
]
},
{
code: "// Trailing comment test. ",
output: "// Trailing comment test.",
options: [{ ignoreComments: false }],
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 26,
endLine: 1,
endColumn: 27
}
]
},
{
code: "/* \nTrailing comments test. \n*/",
output: "/*\nTrailing comments test.\n*/",
options: [{ ignoreComments: false }],
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 3,
endLine: 1,
endColumn: 4
},
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 2,
column: 24,
endLine: 2,
endColumn: 25
}
]
},
{
code: "#!/usr/bin/env node ",
output: "#!/usr/bin/env node",
options: [{ ignoreComments: false }],
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 20,
endLine: 1,
endColumn: 21
}
]
},
{
code: "// Trailing comment default test. ",
output: "// Trailing comment default test.",
options: [],
errors: [
{
message: "Trailing spaces not allowed.",
type: "Program",
line: 1,
column: 34,
endLine: 1,
endColumn: 35
}
]
}
]
});