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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: "var xy;\nvar xy;", options: [2] },
{ code: "var xy;\nvar xy;", options: [{ max: 2 }] },
{
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,
endLine: 3
}
]
},
{
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,
endLine: 4
}
]
},
{
code: "//a single line comment\nvar xy;\nvar xy;",
options: [2],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 3 },
line: 3,
endLine: 3
}
]
},
{
code: [
"var x;",
"",
"",
"",
"var y;"
].join("\n"),
options: [{ max: 2 }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 5 },
line: 3,
endLine: 5
}
]
},
{
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: 3,
endLine: 4
}
]
},
{
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,
endLine: 3
}
]
},
{
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: 3,
endLine: 3
}
]
},
{
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: 3,
endLine: 6
}
]
},
{
code: "AAAAAAAA\n".repeat(301).trim(),
options: [{}],
errors: [
{
messageId: "exceed",
data: { max: 300, actual: 301 },
line: 301,
endLine: 301
}
]
},
{
code: "A",
options: [{ max: 0 }],
errors: [
{
messageId: "exceed",
data: { max: 0, actual: 1 },
line: 1,
endLine: 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: 1
}
]
},
{
code: "var a = 'a',\nc,\nx;\r",
options: [{ max: 2 }],
errors: [
{
messageId: "exceed",
data: { max: 2, actual: 4 },
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: 4 },
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: 3,
column: 1,
endLine: 3,
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: 4,
endColumn: 1
}
]
},
{
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: 4,
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: 4,
endColumn: 1
}
]
}
]
});