koa-lite/test/application/onerror.js

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'use strict';
const stderr = require('test-console').stderr;
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const Koa = require('../..');
const AssertionError = require('assert').AssertionError;
describe('app.onerror(err)', () => {
it('should throw an error if a non-error is given', done => {
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const app = new Koa();
(() => app.onerror('foo')).should.throw(AssertionError, {message: 'non-error thrown: foo'});
done();
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});
it('should do nothing if status is 404', done => {
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const app = new Koa();
const err = new Error();
err.status = 404;
const output = stderr.inspectSync(() => app.onerror(err));
output.should.eql([]);
done();
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});
it('should do nothing if .silent', done => {
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const app = new Koa();
app.silent = true;
const err = new Error();
const output = stderr.inspectSync(() => app.onerror(err));
output.should.eql([]);
done();
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});
it('should log the error to stderr', done => {
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const app = new Koa();
app.env = 'dev';
const err = new Error();
err.stack = 'Foo';
const output = stderr.inspectSync(() => app.onerror(err));
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output.should.eql(['\n', ' Foo\n', '\n']);
done();
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});
it('should use err.toString() instad of err.stack', done => {
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const app = new Koa();
app.env = 'dev';
const err = new Error('mock stack null');
err.stack = null;
const output = stderr.inspectSync(() => app.onerror(err));
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output.should.eql(['\n', ' Error: mock stack null\n', '\n']);
done();
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});
});