/
lines-between-class-members.js
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lines-between-class-members.js
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/**
* @fileoverview Tests for lines-between-class-members rule.
* @author 薛定谔的猫<hh_2013@foxmail.com>
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../lib/rules/lines-between-class-members");
const { RuleTester } = require("../../../lib/rule-tester");
//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------
const alwaysError = { messageId: "always" };
const neverError = { messageId: "never" };
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
const ruleTester = new RuleTester({ parserOptions: { ecmaVersion: 2022 } });
ruleTester.run("lines-between-class-members", rule, {
valid: [
"class foo{}",
"class foo{;;}",
"class foo{\n\n}",
"class foo{constructor(){}\n}",
"class foo{\nconstructor(){}}",
"class foo{ bar(){}\n\nbaz(){}}",
"class foo{ bar(){}\n\n/*comments*/baz(){}}",
"class foo{ bar(){}\n\n//comments\nbaz(){}}",
"class foo{ bar(){}\n//comments\n\nbaz(){}}",
"class A{ foo() {} // a comment\n\nbar() {}}",
"class A{ foo() {}\n/* a */ /* b */\n\nbar() {}}",
"class A{ foo() {}/* a */ \n\n /* b */bar() {}}",
"class A {\nfoo() {}\n/* comment */;\n;\n\nbar() {}\n}",
"class A {\nfoo() {}\n// comment\n\n;\n;\nbar() {}\n}",
"class foo{ bar(){}\n\n;;baz(){}}",
"class foo{ bar(){};\n\nbaz(){}}",
"class C {\naaa;\n\n#bbb;\n\nccc(){}\n\n#ddd(){}\n}",
{ code: "class foo{ bar(){}\nbaz(){}}", options: ["never"] },
{ code: "class foo{ bar(){}\n/*comments*/baz(){}}", options: ["never"] },
{ code: "class foo{ bar(){}\n//comments\nbaz(){}}", options: ["never"] },
{ code: "class foo{ bar(){}/* comments\n\n*/baz(){}}", options: ["never"] },
{ code: "class foo{ bar(){}/* \ncomments\n*/baz(){}}", options: ["never"] },
{ code: "class foo{ bar(){}\n/* \ncomments\n*/\nbaz(){}}", options: ["never"] },
{ code: "class foo{ bar(){}\n\nbaz(){}}", options: ["always"] },
{ code: "class foo{ bar(){}\n\n/*comments*/baz(){}}", options: ["always"] },
{ code: "class foo{ bar(){}\n\n//comments\nbaz(){}}", options: ["always"] },
{ code: "class foo{ bar(){}\nbaz(){}}", options: ["always", { exceptAfterSingleLine: true }] },
{ code: "class foo{ bar(){\n}\n\nbaz(){}}", options: ["always", { exceptAfterSingleLine: true }] },
{ code: "class foo{\naaa;\n#bbb;\nccc(){\n}\n\n#ddd(){\n}\n}", options: ["always", { exceptAfterSingleLine: true }] },
// semicolon-less style (semicolons are at the beginning of lines)
{ code: "class C { foo\n\n;bar }", options: ["always"] },
{ code: "class C { foo\n;bar }", options: ["always", { exceptAfterSingleLine: true }] },
{ code: "class C { foo\n;bar }", options: ["never"] }
],
invalid: [
{
code: "class foo{ bar(){}\nbaz(){}}",
output: "class foo{ bar(){}\n\nbaz(){}}",
options: ["always"],
errors: [alwaysError]
}, {
code: "class foo{ bar(){}\n\nbaz(){}}",
output: "class foo{ bar(){}\nbaz(){}}",
options: ["never"],
errors: [neverError]
}, {
code: "class foo{ bar(){\n}\nbaz(){}}",
output: "class foo{ bar(){\n}\n\nbaz(){}}",
options: ["always", { exceptAfterSingleLine: true }],
errors: [alwaysError]
}, {
code: "class foo{ bar(){\n}\n/* comment */\nbaz(){}}",
output: "class foo{ bar(){\n}\n\n/* comment */\nbaz(){}}",
options: ["always", { exceptAfterSingleLine: true }],
errors: [alwaysError]
}, {
code: "class foo{ bar(){}\n\n// comment\nbaz(){}}",
output: "class foo{ bar(){}\n// comment\nbaz(){}}",
options: ["never"],
errors: [neverError]
}, {
code: "class foo{ bar(){}\n\n/* comment */\nbaz(){}}",
output: "class foo{ bar(){}\n/* comment */\nbaz(){}}",
options: ["never"],
errors: [neverError]
}, {
code: "class foo{ bar(){}\n/* comment-1 */\n\n/* comment-2 */\nbaz(){}}",
output: "class foo{ bar(){}\n/* comment-1 */\n/* comment-2 */\nbaz(){}}",
options: ["never"],
errors: [neverError]
}, {
code: "class foo{ bar(){}\n\n/* comment */\n\nbaz(){}}",
output: null,
options: ["never"],
errors: [neverError]
}, {
code: "class foo{ bar(){}\n\n// comment\n\nbaz(){}}",
output: null,
options: ["never"],
errors: [neverError]
}, {
code: "class foo{ bar(){}\n/* comment-1 */\n\n/* comment-2 */\n\n/* comment-3 */\nbaz(){}}",
output: null,
options: ["never"],
errors: [neverError]
}, {
code: "class foo{ bar(){}\n/* comment-1 */\n\n;\n\n/* comment-3 */\nbaz(){}}",
output: null,
options: ["never"],
errors: [neverError]
}, {
code: "class A {\nfoo() {}// comment\n;\n/* comment */\nbar() {}\n}",
output: "class A {\nfoo() {}// comment\n\n;\n/* comment */\nbar() {}\n}",
options: ["always"],
errors: [alwaysError]
}, {
code: "class A {\nfoo() {}\n/* comment */;\n;\n/* comment */\nbar() {}\n}",
output: "class A {\nfoo() {}\n\n/* comment */;\n;\n/* comment */\nbar() {}\n}",
options: ["always"],
errors: [alwaysError]
}, {
code: "class foo{ bar(){};\nbaz(){}}",
output: "class foo{ bar(){};\n\nbaz(){}}",
options: ["always"],
errors: [alwaysError]
}, {
code: "class foo{ bar(){} // comment \nbaz(){}}",
output: "class foo{ bar(){} // comment \n\nbaz(){}}",
options: ["always"],
errors: [alwaysError]
}, {
code: "class A {\nfoo() {}\n/* comment */;\n;\nbar() {}\n}",
output: "class A {\nfoo() {}\n\n/* comment */;\n;\nbar() {}\n}",
options: ["always"],
errors: [alwaysError]
}, {
code: "class C {\nfield1\nfield2\n}",
output: "class C {\nfield1\n\nfield2\n}",
options: ["always"],
errors: [alwaysError]
}, {
code: "class C {\n#field1\n#field2\n}",
output: "class C {\n#field1\n\n#field2\n}",
options: ["always"],
errors: [alwaysError]
}, {
code: "class C {\nfield1\n\nfield2\n}",
output: "class C {\nfield1\nfield2\n}",
options: ["never"],
errors: [neverError]
}, {
code: "class C {\nfield1 = () => {\n}\nfield2\nfield3\n}",
output: "class C {\nfield1 = () => {\n}\n\nfield2\nfield3\n}",
options: ["always", { exceptAfterSingleLine: true }],
errors: [alwaysError]
},
{
code: "class C { foo;bar }",
output: "class C { foo;\nbar }",
options: ["always"],
errors: [alwaysError]
},
{
code: "class C { foo;\nbar; }",
output: "class C { foo;\n\nbar; }",
options: ["always"],
errors: [alwaysError]
},
{
code: "class C { foo;\n;bar }",
output: "class C { foo;\n\n;bar }",
options: ["always"],
errors: [alwaysError]
},
// semicolon-less style (semicolons are at the beginning of lines)
{
code: "class C { foo\n;bar }",
output: "class C { foo\n\n;bar }",
options: ["always"],
errors: [alwaysError]
},
{
code: "class C { foo\n\n;bar }",
output: "class C { foo\n;bar }",
options: ["never"],
errors: [neverError]
},
{
code: "class C { foo\n;;bar }",
output: "class C { foo\n\n;;bar }",
options: ["always"],
errors: [alwaysError]
}
]
});