aono-file-handler/Builder.spec.js

Aono handler that write to a log file with support for custom formatters and log rotation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Builder_1 = require("./Builder");
const LogstashFormatter_1 = require("./LogstashFormatter");
describe('Builder', () => {
    let testedBuilder;
    let testedHandler;
    beforeEach(() => {
        testedBuilder = new Builder_1.default();
    });
    describe('when built with default parameters', () => {
        beforeEach(() => {
            testedHandler = testedBuilder.build();
        });
        it('handler contains default prefix', () => {
            testedHandler.prefix.should.equal('./logs/configure-me.log');
        });
        it('handler contains default rotation threshold', () => {
            testedHandler.rotationBytesThreshold.should.equal(104857600);
        });
        it('handler contains default formatter', () => {
            testedHandler.formatter.should.be.instanceOf(LogstashFormatter_1.default);
        });
    });
    describe('when build with custom filePrefix', () => {
        const prefix = `./tmp/${new Date().getTime()}/test-`;
        const rotationThreshold = 123444;
        const formatter = { format: (entry) => 'test' };
        beforeEach(() => {
            testedHandler = testedBuilder
                .prefix(prefix)
                .rotationBytesThreshold(rotationThreshold)
                .formatter(formatter)
                .build();
        });
        it('contains properly set prefix', () => {
            testedHandler.prefix.should.equal(prefix);
        });
        it('contains properly set rotation threshold', () => {
            testedHandler.rotationBytesThreshold.should.equal(rotationThreshold);
        });
        it('contains properly set formatter', () => {
            testedHandler.formatter.should.equal(formatter);
        });
    });
});
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