/
max-len.js
399 lines (390 loc) · 13.6 KB
/
max-len.js
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/**
* @fileoverview Tests for max-len rule.
* @author Matt DuVall <http://www.mattduvall.com>
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
var rule = require("../../../lib/rules/max-len"),
RuleTester = require("../../../lib/testers/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
var ruleTester = new RuleTester();
ruleTester.run("max-len", rule, {
valid: [
"var x = 5;\nvar x = 2;",
{
code: "var x = 5;\nvar x = 2;",
options: [80, 4]
}, {
code: "\t\t\tvar i = 1;\n\t\t\tvar j = 1;",
options: [15, 1]
}, {
code: "var one\t\t= 1;\nvar three\t= 3;",
options: [16, 4]
}, {
code: "\tvar one\t\t= 1;\n\tvar three\t= 3;",
options: [20, 4]
}, {
code: "var i = 1;\r\nvar i = 1;\n",
options: [10, 4]
}, {
code: "\n// Blank line on top\nvar foo = module.exports = {};\n",
options: [80, 4]
},
"\n// Blank line on top\nvar foo = module.exports = {};\n",
{
code: "var foo = module.exports = {}; // really long trailing comment",
options: [40, 4, {ignoreComments: true}]
}, {
code: "foo(); \t// strips entire comment *and* trailing whitespace",
options: [6, 4, {ignoreComments: true}]
}, {
code: "// really long comment on its own line sitting here",
options: [40, 4, {ignoreComments: true}]
},
"var /*inline-comment*/ i = 1;",
{
code: "var /*inline-comment*/ i = 1; // with really long trailing comment",
options: [40, 4, {ignoreComments: true}]
}, {
code: "foo('http://example.com/this/is/?a=longish&url=in#here');",
options: [40, 4, {ignoreUrls: true}]
}, {
code: "foo(bar(bazz('this is a long'), 'line of'), 'stuff');",
options: [40, 4, {ignorePattern: "foo.+bazz\\("}]
}, {
code:
"/* hey there! this is a multiline\n" +
" comment with longish lines in various places\n" +
" but\n" +
" with a short line-length */",
options: [10, 4, {ignoreComments: true}]
}, {
code:
"// I like short comments\n" +
"function butLongSourceLines() { weird(eh()) }",
options: [80, {tabWidth: 4, comments: 30}]
}, {
code:
"// Full line comment\n" +
"someCode(); // With a long trailing comment.",
options: [{code: 30, tabWidth: 4, comments: 20, ignoreTrailingComments: true}]
}, {
code: "var foo = module.exports = {}; // really long trailing comment",
options: [40, 4, {ignoreTrailingComments: true}]
}, {
code: "var foo = module.exports = {}; // really long trailing comment",
options: [40, 4, {ignoreComments: true, ignoreTrailingComments: false}]
},
// check indented comment lines - https://github.com/eslint/eslint/issues/6322
{
code: "function foo() {\n" +
"//this line has 29 characters\n" +
"}",
options: [40, 4, { comments: 29 }]
}, {
code: "function foo() {\n" +
" //this line has 33 characters\n" +
"}",
options: [40, 4, { comments: 33 }]
}, {
code: "function foo() {\n" +
"/*this line has 29 characters\n" +
"and this one has 21*/\n" +
"}",
options: [40, 4, { comments: 29 }]
}, {
code: "function foo() {\n" +
" /*this line has 33 characters\n" +
" and this one has 25*/\n" +
"}",
options: [40, 4, { comments: 33 }]
}, {
code: "function foo() {\n" +
" var a; /*this line has 40 characters\n" +
" and this one has 36 characters*/\n" +
"}",
options: [40, 4, { comments: 36 }]
}, {
code: "function foo() {\n" +
" /*this line has 33 characters\n" +
" and this one has 43 characters*/ var a;\n" +
"}",
options: [43, 4, { comments: 33 }]
},
// blank line
""
],
invalid: [
{
code: "\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tvar i = 1;",
errors: [
{
message: "Line 1 exceeds the maximum line length of 80.",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "var x = 5, y = 2, z = 5;",
options: [10, 4],
errors: [
{
message: "Line 1 exceeds the maximum line length of 10.",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "\t\t\tvar i = 1;",
options: [15, 4],
errors: [
{
message: "Line 1 exceeds the maximum line length of 15.",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "\t\t\tvar i = 1;\n\t\t\tvar j = 1;",
options: [15, 4],
errors: [
{
message: "Line 1 exceeds the maximum line length of 15.",
type: "Program",
line: 1,
column: 1
},
{
message: "Line 2 exceeds the maximum line length of 15.",
type: "Program",
line: 2,
column: 1
}
]
},
{
code: "var /*this is a long non-removed inline comment*/ i = 1;",
options: [20, 4, {ignoreComments: true}],
errors: [
{
message: "Line 1 exceeds the maximum line length of 20.",
type: "Program",
line: 1,
column: 1
}
]
},
{
code:
"var foobar = 'this line isn\\'t matched by the regexp';\n" +
"var fizzbuzz = 'but this one is matched by the regexp';\n",
options: [20, 4, {ignorePattern: "fizzbuzz"}],
errors: [
{
message: "Line 1 exceeds the maximum line length of 20.",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "var longLine = 'will trigger'; // even with a comment",
options: [10, 4, {ignoreComments: true}],
errors: [
{
message: "Line 1 exceeds the maximum line length of 10.",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "var foo = module.exports = {}; // really long trailing comment",
options: [40, 4], // ignoreComments is disabled
errors: [
{
message: "Line 1 exceeds the maximum line length of 40.",
type: "Program",
line: 1,
column: 1
}
]
},
{
code: "foo('http://example.com/this/is/?a=longish&url=in#here');",
options: [40, 4], // ignoreUrls is disabled
errors: [
{
message: "Line 1 exceeds the maximum line length of 40.",
type: "Program",
line: 1,
column: 1
}
]
}, {
code: "foo(bar(bazz('this is a long'), 'line of'), 'stuff');",
options: [40, 4], // ignorePattern is disabled
errors: [
{
message: "Line 1 exceeds the maximum line length of 40.",
type: "Program",
line: 1,
column: 1
}
]
}, {
code: "// A comment that exceeds the max comment length.",
options: [80, 4, {comments: 20}],
errors: [
{
message: "Line 1 exceeds the maximum comment line length of 20.",
type: "Program",
line: 1,
column: 1
}
]
}, {
code: "// A comment that exceeds the max comment length.",
options: [{code: 20}],
errors: [
{
message: "Line 1 exceeds the maximum line length of 20.",
type: "Program",
line: 1,
column: 1
}
]
}, {
code: "//This is very long comment with more than 40 characters which is invalid",
options: [40, 4, {ignoreTrailingComments: true }],
errors: [
{
message: "Line 1 exceeds the maximum line length of 40.",
type: "Program",
line: 1,
column: 1
}
]
},
// check indented comment lines - https://github.com/eslint/eslint/issues/6322
{
code: "function foo() {\n" +
"//this line has 29 characters\n" +
"}",
options: [40, 4, { comments: 28 }],
errors: [
{
message: "Line 2 exceeds the maximum comment line length of 28.",
type: "Program",
line: 2,
column: 1
}
]
}, {
code: "function foo() {\n" +
" //this line has 33 characters\n" +
"}",
options: [40, 4, { comments: 32 }],
errors: [
{
message: "Line 2 exceeds the maximum comment line length of 32.",
type: "Program",
line: 2,
column: 1
}
]
}, {
code: "function foo() {\n" +
"/*this line has 29 characters\n" +
"and this one has 32 characters*/\n" +
"}",
options: [40, 4, { comments: 28 }],
errors: [
{
message: "Line 2 exceeds the maximum comment line length of 28.",
type: "Program",
line: 2,
column: 1
},
{
message: "Line 3 exceeds the maximum comment line length of 28.",
type: "Program",
line: 3,
column: 1
}
]
}, {
code: "function foo() {\n" +
" /*this line has 33 characters\n" +
" and this one has 36 characters*/\n" +
"}",
options: [40, 4, { comments: 32 }],
errors: [
{
message: "Line 2 exceeds the maximum comment line length of 32.",
type: "Program",
line: 2,
column: 1
},
{
message: "Line 3 exceeds the maximum comment line length of 32.",
type: "Program",
line: 3,
column: 1
}
]
}, {
code: "function foo() {\n" +
" var a; /*this line has 40 characters\n" +
" and this one has 36 characters*/\n" +
"}",
options: [39, 4, { comments: 35 }],
errors: [
{
message: "Line 2 exceeds the maximum line length of 39.",
type: "Program",
line: 2,
column: 1
},
{
message: "Line 3 exceeds the maximum comment line length of 35.",
type: "Program",
line: 3,
column: 1
}
]
}, {
code: "function foo() {\n" +
" /*this line has 33 characters\n" +
" and this one has 43 characters*/ var a;\n" +
"}",
options: [42, 4, { comments: 32 }],
errors: [
{
message: "Line 2 exceeds the maximum comment line length of 32.",
type: "Program",
line: 2,
column: 1
},
{
message: "Line 3 exceeds the maximum line length of 42.",
type: "Program",
line: 3,
column: 1
}
]
}
]
});