/
no-useless-catch.js
62 lines (57 loc) · 1.55 KB
/
no-useless-catch.js
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/**
* @fileoverview Tests for no-useless-throw rule
* @author Teddy Katz
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const rule = require("../../../tools/internal-rules/no-useless-catch");
const RuleTester = require("../../../lib/testers/rule-tester");
//------------------------------------------------------------------------------
// Tests
//------------------------------------------------------------------------------
new RuleTester({ parserOptions: { ecmaVersion: 6 } }).run("rulesdir/no-useless-catch", rule, {
valid: [
`
try {
foo();
} catch (err) {
console.error(err);
} finally {
foo;
}
`,
`
try {
foo();
} catch ({ err }) {
throw err;
}
`
],
invalid: [
{
code: `
try {
foo();
} catch (e) {
throw e;
}
`,
errors: [{ message: "Unnecessary try/catch wrapper." }]
},
{
code: `
try {
foo();
} catch (e) {
throw e;
} finally {
foo();
}
`,
errors: [{ message: "Unnecessary catch clause." }]
}
]
});