/
max-lines.js
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/
max-lines.js
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/**
* @fileoverview enforce a maximum file length
* @author Alberto Rodríguez
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/max-lines"),
{ RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester();
ruleTester.run("max-lines", rule, {
valid: [
"var x;",
"var xy;\nvar xy;",
{ code: "A", options: [1] },
{ code: "A\n", options: [1] },
{ code: "A\r", options: [1] },
{ code: "A\r\n", options: [1] },
{ code: "var xy;\nvar xy;", options: [2] },
{ code: "var xy;\nvar xy;\n", options: [2] },
{ code: "var xy;\nvar xy;", options: [{ max: 2 }] },
{ code: "// comment\n", options: [{ max: 0, skipComments: true }] },
{ code: "foo;\n /* comment */\n", options: [{ max: 1, skipComments: true }] },
{
code: [
"//a single line comment",
"var xy;",
"var xy;",
" /* a multiline",
" really really",
" long comment*/ "
].join("\n"),
options: [{ max: 2, skipComments: true }]
},
{
code: [
"var x; /* inline comment",
" spanning multiple lines */ var z;"
].join("\n"),
options: [{ max: 2, skipComments: true }]
},
{
code: [
"var x; /* inline comment",
" spanning multiple lines */",
"var z;"
].join("\n"),
options: [{ max: 2, skipComments: true }]
},
{
code: [
"var x;",
"",
"\t",
"\t ",
"var y;"
].join("\n"),
options: [{ max: 2, skipBlankLines: true }]
},
{
code: [
"//a single line comment",
"var xy;",
" ",
"var xy;",
" ",
" /* a multiline",
" really really",
" long comment*/"
].join("\n"),
options: [{ max: 2, skipComments: true, skipBlankLines: true }]
}
],
invalid: [
{
code: "var xyz;\nvar xyz;\nvar xyz;",
options: [2],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 3 },
line: 3,
column: 1,
endLine: 3,
endColumn: 9
}
]
},
{
code: "/* a multiline comment\n that goes to many lines*/\nvar xy;\nvar xy;",
options: [2],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 3,
column: 1,
endLine: 4,
endColumn: 8
}
]
},
{
code: "//a single line comment\nvar xy;\nvar xy;",
options: [2],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 3 },
line: 3,
column: 1,
endLine: 3,
endColumn: 8
}
]
},
{
code: [
"var x;",
"",
"",
"",
"var y;"
].join("\n"),
options: [{ max: 2 }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 5 },
line: 3,
column: 1,
endLine: 5,
endColumn: 7
}
]
},
{
code: [
"//a single line comment",
"var xy;",
" ",
"var xy;",
" ",
" /* a multiline",
" really really",
" long comment*/"
].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 4,
column: 1,
endLine: 8,
endColumn: 16
}
]
},
{
code: [
"var x; // inline comment",
"var y;",
"var z;"
].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 3 },
line: 3,
column: 1,
endLine: 3,
endColumn: 7
}
]
},
{
code: [
"var x; /* inline comment",
" spanning multiple lines */",
"var y;",
"var z;"
].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 3 },
line: 4,
column: 1,
endLine: 4,
endColumn: 7
}
]
},
{
code: [
"//a single line comment",
"var xy;",
" ",
"var xy;",
" ",
" /* a multiline",
" really really",
" long comment*/"
].join("\n"),
options: [{ max: 2, skipBlankLines: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 6 },
line: 4,
column: 1,
endLine: 8,
endColumn: 16
}
]
},
{
code: "AAAAAAAA\n".repeat(301).trim(),
options: [{}],
errors: [
{
messageId: "exceed",
data: { max: 300, actual: 301 },
line: 301,
column: 1,
endLine: 301,
endColumn: 9
}
]
},
{
// Questionable. Makes sense to report this, and makes sense to not report this.
code: "",
options: [{ max: 0 }],
errors: [
{
messageId: "exceed",
data: { max: 0, actual: 1 },
line: 1,
column: 1,
endLine: 1,
endColumn: 1
}
]
},
{
code: " ",
options: [{ max: 0 }],
errors: [
{
messageId: "exceed",
data: { max: 0, actual: 1 },
line: 1,
column: 1,
endLine: 1,
endColumn: 2
}
]
},
{
code: "\n",
options: [{ max: 0 }],
errors: [
{
messageId: "exceed",
data: { max: 0, actual: 1 },
line: 1,
column: 1,
endLine: 2,
endColumn: 1
}
]
},
{
code: "A",
options: [{ max: 0 }],
errors: [
{
messageId: "exceed",
data: { max: 0, actual: 1 },
line: 1,
column: 1,
endLine: 1,
endColumn: 2
}
]
},
{
code: "A\n",
options: [{ max: 0 }],
errors: [
{
messageId: "exceed",
data: { max: 0, actual: 1 },
line: 1,
column: 1,
endLine: 2,
endColumn: 1
}
]
},
{
code: "A\n ",
options: [{ max: 0 }],
errors: [
{
messageId: "exceed",
data: { max: 0, actual: 2 },
line: 1,
column: 1,
endLine: 2,
endColumn: 2
}
]
},
{
code: "A\n ",
options: [{ max: 1 }],
errors: [
{
messageId: "exceed",
data: { max: 1, actual: 2 },
line: 2,
column: 1,
endLine: 2,
endColumn: 2
}
]
},
{
code: "A\n\n",
options: [{ max: 1 }],
errors: [
{
messageId: "exceed",
data: { max: 1, actual: 2 },
line: 2,
column: 1,
endLine: 3,
endColumn: 1
}
]
},
{
code: ["var a = 'a'; ", "var x", "var c;", "console.log"].join(
"\n"
),
options: [{ max: 2 }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 3,
column: 1,
endLine: 4,
endColumn: 12
}
]
},
{
code: "var a = 'a',\nc,\nx;\r",
options: [{ max: 2 }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 3 },
line: 3,
column: 1,
endLine: 4,
endColumn: 1
}
]
},
{
code: "var a = 'a',\nc,\nx;\n",
options: [{ max: 2 }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 3 },
line: 3,
column: 1,
endLine: 4,
endColumn: 1
}
]
},
{
code: "\n\nvar a = 'a',\nc,\nx;\n",
options: [{ max: 2, skipBlankLines: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 3 },
line: 5,
column: 1,
endLine: 6,
endColumn: 1
}
]
},
{
code: [
"var a = 'a'; ",
"var x",
"var c;",
"console.log",
"// some block ",
"// comments"
].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 3,
column: 1,
endLine: 6,
endColumn: 12
}
]
},
{
code: [
"var a = 'a'; ",
"var x",
"var c;",
"console.log",
"/* block comments */"
].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 3,
column: 1,
endLine: 5,
endColumn: 21
}
]
},
{
code: [
"var a = 'a'; ",
"var x",
"var c;",
"console.log",
"/* block comments */\n"
].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 3,
column: 1,
endLine: 6,
endColumn: 1
}
]
},
{
code: [
"var a = 'a'; ",
"var x",
"var c;",
"console.log",
"/** block \n\n comments */"
].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 3,
column: 1,
endLine: 7,
endColumn: 13
}
]
},
{
code: [
"var a = 'a'; ",
"",
"",
"// comment"
].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 3 },
line: 3,
column: 1,
endLine: 4,
endColumn: 11
}
]
},
{
code: [
"var a = 'a'; ",
"var x",
"\n",
"var c;",
"console.log",
"\n"
].join("\n"),
options: [{ max: 2, skipBlankLines: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 5,
column: 1,
endLine: 8,
endColumn: 1
}
]
},
{
code: [
"var a = 'a'; ",
"\n",
"var x",
"var c;",
"console.log",
"\n"
].join("\n"),
options: [{ max: 2, skipBlankLines: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 5,
column: 1,
endLine: 8,
endColumn: 1
}
]
},
{
code: [
"var a = 'a'; ",
"//",
"var x",
"var c;",
"console.log",
"//"
].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
line: 4,
column: 1,
endLine: 6,
endColumn: 3
}
]
},
{
code: ["// hello world", "/*hello", " world 2 */", "var a,", "b", "// hh", "c,", "e,", "f;"].join("\n"),
options: [{ max: 2, skipComments: true }],
errors: [{
data: { max: 2, actual: 5 },
messageId: "exceed",
line: 7,
column: 1,
endLine: 9,
endColumn: 3
}]
},
{
code: ["", "var x = '';", "", "// comment", "", "var b = '',", "c,", "d,", "e", "", "// comment"].join("\n"),
options: [{ max: 2, skipComments: true, skipBlankLines: true }],
errors: [{
data: { max: 2, actual: 5 },
messageId: "exceed",
line: 7,
column: 1,
endLine: 11,
endColumn: 11
}]
}
]
});