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semi-spacing.js
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semi-spacing.js
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/**
* @fileoverview Tests for semi-spacing.
* @author Mathias Schreck
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/semi-spacing"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("semi-spacing", rule, {
valid: [
"var a = 'b';",
"var a = 'b ; c';",
"var a = 'b',\nc = 'd';",
"var a = function() {};",
";(function(){}());",
"var a = 'b'\n;(function(){}())",
"debugger\n;(function(){}())",
"while (true) { break; }",
"while (true) { continue; }",
"debugger;",
"function foo() { return; }",
"throw new Error('foo');",
"for (var i = 0; i < 10; i++) {}",
"for (;;) {}",
{
code: "var a = 'b' ;",
options: [{ before: true, after: true }]
},
{
code: "var a = 'b';c = 'd';",
options: [{ before: false, after: false }]
},
{
code: "for (var i = 0 ;i < 10 ;i++) {}",
options: [{ before: true, after: false }]
},
{
code: "for (var i = 0 ; i < 10 ; i++) {}",
options: [{ before: true, after: true }]
},
// https://github.com/eslint/eslint/issues/3721
"function foo(){return 2;}",
"for(var i = 0; i < results.length;) {}",
{ code: "function foo() { return 2; }", options: [{ after: false }] },
{ code: "for ( var i = 0;i < results.length; ) {}", options: [{ after: false }] }
],
invalid: [
{
code: "var a = 'b' ;",
output: "var a = 'b';",
errors: [
{
messageId: "unexpectedWhitespaceBefore",
type: "VariableDeclaration",
line: 1,
column: 12,
endLine: 1,
endColumn: 13
}
]
},
{
code: "var a = 'b' ;",
output: "var a = 'b';",
errors: [
{
messageId: "unexpectedWhitespaceBefore",
type: "VariableDeclaration",
line: 1,
column: 12,
endLine: 1,
endColumn: 12
}
]
},
{
code: "var a = 'b',\nc = 'd' ;",
output: "var a = 'b',\nc = 'd';",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "VariableDeclaration", line: 2, column: 8 }]
},
{
code: "var a = function() {} ;",
output: "var a = function() {};",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "VariableDeclaration", line: 1, column: 22 }]
},
{
code: "var a = function() {\n} ;",
output: "var a = function() {\n};",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "VariableDeclaration", line: 2, column: 2 }]
},
{
code: "/^a$/.test('b') ;",
output: "/^a$/.test('b');",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ExpressionStatement", line: 1, column: 16 }]
},
{
code: ";(function(){}()) ;",
output: ";(function(){}());",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ExpressionStatement", line: 1, column: 18 }]
},
{
code: "while (true) { break ; }",
output: "while (true) { break; }",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "BreakStatement", line: 1, column: 21 }]
},
{
code: "while (true) { continue ; }",
output: "while (true) { continue; }",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ContinueStatement", line: 1, column: 24 }]
},
{
code: "debugger ;",
output: "debugger;",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "DebuggerStatement", line: 1, column: 9 }]
},
{
code: "function foo() { return ; }",
output: "function foo() { return; }",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ReturnStatement", line: 1, column: 24 }]
},
{
code: "throw new Error('foo') ;",
output: "throw new Error('foo');",
errors: [{ messageId: "unexpectedWhitespaceBefore", type: "ThrowStatement", line: 1, column: 23 }]
},
{
code: "for (var i = 0 ; i < 10 ; i++) {}",
output: "for (var i = 0; i < 10; i++) {}",
errors: [
{ messageId: "unexpectedWhitespaceBefore", type: "ForStatement", line: 1, column: 15 },
{ messageId: "unexpectedWhitespaceBefore", type: "ForStatement", line: 1, column: 24 }
]
},
{
code: "var a = 'b';c = 'd';",
output: "var a = 'b'; c = 'd';",
errors: [{ messageId: "missingWhitespaceAfter", type: "VariableDeclaration", line: 1, column: 12 }]
},
{
code: "var a = 'b';",
output: "var a = 'b' ;",
options: [{ before: true, after: true }],
errors: [{ messageId: "missingWhitespaceBefore", type: "VariableDeclaration", line: 1, column: 12 }]
},
{
code: "var a = 'b'; c = 'd';",
output: "var a = 'b';c = 'd';",
options: [{ before: false, after: false }],
errors: [
{
messageId: "unexpectedWhitespaceAfter",
type: "VariableDeclaration",
line: 1,
column: 13,
endColumn: 13,
endLine: 1
}
]
},
{
code: "var a = 'b'; c = 'd';",
output: "var a = 'b';c = 'd';",
options: [{ before: false, after: false }],
errors: [
{
messageId: "unexpectedWhitespaceAfter",
type: "VariableDeclaration",
line: 1,
column: 13,
endColumn: 15,
endLine: 1
}
]
},
{
code: "for (var i = 0;i < 10;i++) {}",
output: "for (var i = 0; i < 10; i++) {}",
errors: [
{ messageId: "missingWhitespaceAfter", type: "ForStatement", line: 1, column: 15 },
{ messageId: "missingWhitespaceAfter", type: "ForStatement", line: 1, column: 22 }
]
},
{
code: "for (var i = 0; i < 10; i++) {}",
output: "for (var i = 0 ; i < 10 ; i++) {}",
options: [{ before: true, after: true }],
errors: [
{ messageId: "missingWhitespaceBefore", type: "ForStatement", line: 1, column: 15 },
{ messageId: "missingWhitespaceBefore", type: "ForStatement", line: 1, column: 23 }
]
},
{
code: "for (var i = 0; i < 10; i++) {}",
output: "for (var i = 0;i < 10;i++) {}",
options: [{ before: false, after: false }],
errors: [
{ messageId: "unexpectedWhitespaceAfter", type: "ForStatement", line: 1, column: 16 },
{ messageId: "unexpectedWhitespaceAfter", type: "ForStatement", line: 1, column: 24 }
]
},
{
code: "import Foo from 'bar' ;",
output: "import Foo from 'bar';",
options: [{ before: false, after: true }],
parserOptions: { ecmaVersion: 6, sourceType: "module" },
errors: [
{ messageId: "unexpectedWhitespaceBefore", type: "ImportDeclaration", line: 1, column: 22 }
]
},
{
code: "import * as foo from 'bar' ;",
output: "import * as foo from 'bar';",
options: [{ before: false, after: true }],
parserOptions: { ecmaVersion: 6, sourceType: "module" },
errors: [
{ messageId: "unexpectedWhitespaceBefore", type: "ImportDeclaration", line: 1, column: 27 }
]
},
{
code: "var foo = 0; export {foo} ;",
output: "var foo = 0; export {foo};",
options: [{ before: false, after: true }],
parserOptions: { ecmaVersion: 6, sourceType: "module" },
errors: [
{ messageId: "unexpectedWhitespaceBefore", type: "ExportNamedDeclaration", line: 1, column: 26 }
]
},
{
code: "export * from 'foo' ;",
output: "export * from 'foo';",
options: [{ before: false, after: true }],
parserOptions: { ecmaVersion: 6, sourceType: "module" },
errors: [
{ messageId: "unexpectedWhitespaceBefore", type: "ExportAllDeclaration", line: 1, column: 20 }
]
},
{
code: "export default foo ;",
output: "export default foo;",
options: [{ before: false, after: true }],
parserOptions: { ecmaVersion: 6, sourceType: "module" },
errors: [
{ messageId: "unexpectedWhitespaceBefore", type: "ExportDefaultDeclaration", line: 1, column: 19 }
]
},
{
code: "while(foo) {continue ;}",
output: "while(foo) {continue;}",
options: [{ before: false, after: true }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "unexpectedWhitespaceBefore",
type: "ContinueStatement",
line: 1,
column: 21,
endColumn: 23
}
]
},
{
code: "if(foo) {throw new Error() ; }",
output: "if(foo) {throw new Error(); }",
options: [{ before: false, after: false }],
parserOptions: { ecmaVersion: 6 },
errors: [
{
messageId: "unexpectedWhitespaceBefore",
type: "ThrowStatement",
line: 1,
column: 27,
endColumn: 29
}
]
},
{
code: "for(a ; ; );",
output: "for(a;; );",
options: [{ before: false, after: false }],
parserOptions: { ecmaVersion: 6 },
errors: [{
line: 1,
column: 6,
type: "ForStatement",
messageId: "unexpectedWhitespaceBefore",
endLine: 1,
endColumn: 6
},
{
line: 1,
column: 8,
type: "ForStatement",
messageId: "unexpectedWhitespaceAfter",
endLine: 1,
endColumn: 8
}]
},
{
code: "for(a ; \n ; );",
output: "for(a; \n ; );",
options: [{ before: false, after: false }],
parserOptions: { ecmaVersion: 6 },
errors: [{
line: 1,
column: 6,
type: "ForStatement",
messageId: "unexpectedWhitespaceBefore",
endLine: 1,
endColumn: 6
}
]
}
]
});