Simplify testing and linting
Separate linting from testing as follows: - `yarn jscs`: Run JSCS. - `yarn jshint`: Run JSHint. - `yarn lint`: Run all linters, i.e. ESLint, TSLint, JSHint, and JSHint. - `yarn test-node`: Run Mocha tests in Node.js environment. - `yarn test-electron`: Run tests in Electron environment via Grunt. - `yarn test`: Run all tests. CI - Align Travis and AppVeyor scripts as much as possible. - Run linting before tests to fail fast. - Run Node.js (headless and fast) tests first. - Run Electron tests last (Travis seems to require custom setup in `travis.sh`).
This commit is contained in:
Daniel Gasienica
parent
80de7bbd5c
commit
15d221ae0e
6 changed files with 19 additions and 22 deletions
274
test/app/logging_test.js
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274
test/app/logging_test.js
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// NOTE: Temporarily allow `then` until we convert the entire file to `async` / `await`:
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/* eslint-disable more/no-then */
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const fs = require('fs');
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const path = require('path');
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const tmp = require('tmp');
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const { expect } = require('chai');
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const {
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eliminateOutOfDateFiles,
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eliminateOldEntries,
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isLineAfterDate,
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fetchLog,
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fetch,
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} = require('../../app/logging');
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describe('app/logging', () => {
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let basePath;
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let tmpDir;
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beforeEach(() => {
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tmpDir = tmp.dirSync({
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unsafeCleanup: true,
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});
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basePath = tmpDir.name;
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});
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afterEach((done) => {
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// we need the unsafe option to recursively remove the directory
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tmpDir.removeCallback(done);
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});
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describe('#isLineAfterDate', () => {
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it('returns false if falsy', () => {
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const actual = isLineAfterDate('', new Date());
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expect(actual).to.equal(false);
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});
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it('returns false if invalid JSON', () => {
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const actual = isLineAfterDate('{{}', new Date());
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expect(actual).to.equal(false);
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});
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it('returns false if date is invalid', () => {
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const line = JSON.stringify({ time: '2018-01-04T19:17:05.014Z' });
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const actual = isLineAfterDate(line, new Date('try6'));
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expect(actual).to.equal(false);
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});
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it('returns false if log time is invalid', () => {
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const line = JSON.stringify({ time: 'try7' });
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const date = new Date('2018-01-04T19:17:00.000Z');
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const actual = isLineAfterDate(line, date);
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expect(actual).to.equal(false);
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});
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it('returns false if date before provided date', () => {
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const line = JSON.stringify({ time: '2018-01-04T19:17:00.000Z' });
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const date = new Date('2018-01-04T19:17:05.014Z');
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const actual = isLineAfterDate(line, date);
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expect(actual).to.equal(false);
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});
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it('returns true if date is after provided date', () => {
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const line = JSON.stringify({ time: '2018-01-04T19:17:05.014Z' });
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const date = new Date('2018-01-04T19:17:00.000Z');
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const actual = isLineAfterDate(line, date);
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expect(actual).to.equal(true);
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});
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});
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describe('#eliminateOutOfDateFiles', () => {
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it('deletes an empty file', () => {
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const date = new Date();
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const log = '\n';
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const target = path.join(basePath, 'log.log');
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fs.writeFileSync(target, log);
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return eliminateOutOfDateFiles(basePath, date).then(() => {
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expect(fs.existsSync(target)).to.equal(false);
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});
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});
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it('deletes a file with invalid JSON lines', () => {
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const date = new Date();
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const log = '{{}\n';
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const target = path.join(basePath, 'log.log');
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fs.writeFileSync(target, log);
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return eliminateOutOfDateFiles(basePath, date).then(() => {
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expect(fs.existsSync(target)).to.equal(false);
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});
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});
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it('deletes a file with all dates before provided date', () => {
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const date = new Date('2018-01-04T19:17:05.014Z');
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const contents = [
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JSON.stringify({ time: '2018-01-04T19:17:00.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:01.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:02.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:03.014Z' }),
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].join('\n');
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const target = path.join(basePath, 'log.log');
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fs.writeFileSync(target, contents);
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return eliminateOutOfDateFiles(basePath, date).then(() => {
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expect(fs.existsSync(target)).to.equal(false);
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});
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});
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it('keeps a file with first line date before provided date', () => {
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const date = new Date('2018-01-04T19:16:00.000Z');
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const contents = [
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JSON.stringify({ time: '2018-01-04T19:17:00.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:01.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:02.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:03.014Z' }),
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].join('\n');
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const target = path.join(basePath, 'log.log');
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fs.writeFileSync(target, contents);
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return eliminateOutOfDateFiles(basePath, date).then(() => {
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expect(fs.existsSync(target)).to.equal(true);
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});
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});
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it('keeps a file with last line date before provided date', () => {
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const date = new Date('2018-01-04T19:17:01.000Z');
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const contents = [
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JSON.stringify({ time: '2018-01-04T19:17:00.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:01.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:02.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:03.014Z' }),
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].join('\n');
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const target = path.join(basePath, 'log.log');
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fs.writeFileSync(target, contents);
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return eliminateOutOfDateFiles(basePath, date).then(() => {
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expect(fs.existsSync(target)).to.equal(true);
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});
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});
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});
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describe('#eliminateOldEntries', () => {
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it('eliminates all non-parsing entries', () => {
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const date = new Date('2018-01-04T19:17:01.000Z');
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const contents = [
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'random line',
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JSON.stringify({ time: '2018-01-04T19:17:01.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:02.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:03.014Z' }),
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].join('\n');
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const expected = [
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JSON.stringify({ time: '2018-01-04T19:17:01.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:02.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:03.014Z' }),
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].join('\n');
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const target = path.join(basePath, 'log.log');
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const files = [{
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path: target,
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}];
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fs.writeFileSync(target, contents);
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return eliminateOldEntries(files, date).then(() => {
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expect(fs.readFileSync(target, 'utf8')).to.equal(`${expected}\n`);
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});
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});
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it('preserves all lines if before target date', () => {
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const date = new Date('2018-01-04T19:17:03.000Z');
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const contents = [
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'random line',
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JSON.stringify({ time: '2018-01-04T19:17:01.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:02.014Z' }),
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JSON.stringify({ time: '2018-01-04T19:17:03.014Z' }),
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].join('\n');
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const expected = [
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JSON.stringify({ time: '2018-01-04T19:17:03.014Z' }),
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].join('\n');
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const target = path.join(basePath, 'log.log');
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const files = [{
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path: target,
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}];
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fs.writeFileSync(target, contents);
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return eliminateOldEntries(files, date).then(() => {
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expect(fs.readFileSync(target, 'utf8')).to.equal(`${expected}\n`);
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});
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});
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});
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describe('#fetchLog', () => {
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it('returns error if file does not exist', () => {
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const target = 'random_file';
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return fetchLog(target).then(() => {
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throw new Error('Expected an error!');
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}, (error) => {
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expect(error).to.have.property('message').that.match(/random_file/);
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});
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});
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it('returns empty array if file has no valid JSON lines', () => {
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const contents = 'line 1\nline2\n';
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const expected = [];
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const target = path.join(basePath, 'test.log');
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fs.writeFileSync(target, contents);
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return fetchLog(target).then((result) => {
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expect(result).to.deep.equal(expected);
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});
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});
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it('returns just three fields in each returned line', () => {
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const contents = [
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JSON.stringify({
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one: 1,
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two: 2,
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level: 1,
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time: 2,
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msg: 3,
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}),
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JSON.stringify({
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one: 1,
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two: 2,
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level: 2,
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time: 3,
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msg: 4,
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}),
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'',
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].join('\n');
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const expected = [{
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level: 1,
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time: 2,
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msg: 3,
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}, {
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level: 2,
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time: 3,
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msg: 4,
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}];
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const target = path.join(basePath, 'test.log');
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fs.writeFileSync(target, contents);
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return fetchLog(target).then((result) => {
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expect(result).to.deep.equal(expected);
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});
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});
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});
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describe('#fetch', () => {
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it('returns single entry if no files', () => {
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return fetch(basePath).then((results) => {
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expect(results).to.have.length(1);
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expect(results[0].msg).to.match(/Loaded this list/);
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});
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});
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it('returns sorted entries from all files', () => {
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const first = [
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JSON.stringify({ msg: 2, time: '2018-01-04T19:17:05.014Z' }),
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'',
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].join('\n');
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const second = [
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JSON.stringify({ msg: 1, time: '2018-01-04T19:17:00.014Z' }),
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JSON.stringify({ msg: 3, time: '2018-01-04T19:18:00.014Z' }),
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'',
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].join('\n');
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fs.writeFileSync(path.join(basePath, 'first.log'), first);
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fs.writeFileSync(path.join(basePath, 'second.log'), second);
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return fetch(basePath).then((results) => {
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expect(results).to.have.length(4);
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expect(results[0].msg).to.equal(1);
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expect(results[1].msg).to.equal(2);
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expect(results[2].msg).to.equal(3);
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});
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});
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});
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});
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