@code-nl/cloud-logging/test/log.unit.test.js

Interface over @google-cloud/logging

const chai = require("chai");
const assert = chai.assert;

const log = require("../index");

describe("Logging methods", () => {
  before(() => {});

  after(() => {});

  it("has `debug` function", done => {
    assert.isTrue(typeof log.debug === 'function');
    done();
  });

  it("has `info` function", done => {
    assert.isTrue(typeof log.info === "function");
    done();
  });

  it("has `notice` function", done => {
    assert.isTrue(typeof log.notice === "function");
    done();
  });

  it("has `warning` function", done => {
    assert.isTrue(typeof log.warning === "function");
    done();
  });

  it("has `error` function", done => {
    assert.isTrue(typeof log.error === "function");
    done();
  });

  it("has `critical` function", done => {
    assert.isTrue(typeof log.critical === "function");
    done();
  });

  it("has `alert` function", done => {
    assert.isTrue(typeof log.alert === "function");
    done();
  });

  it("has `emergency` function", done => {
    assert.isTrue(typeof log.emergency === "function");
    done();
  });
});

describe("Errors throwing", () => {
  before(() => {});

  after(() => {});

  it("throws an error if not initialized", done => {
    assert.throws(() => {
      log.info("this log message should throw an error because the logger is not initialized");
    }, Error);
    done();
  });

  it("throws an error if message (first argument) is missing", done => {

    // initialize logger for all further tests
    log.init("test-project", "test-logname");

    assert.throws(() => {
      log.info();
    }, Error);

    assert.throws(() => {
      log.info(null, {testKey: "test value"});
    }, Error);

    done();
  });
});