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systemd-spec.js
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systemd-spec.js
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'use strict';
const expect = require('chai').expect;
const sinon = require('sinon');
const proxyquire = require('proxyquire').noCallThru();
const modulePath = '../systemd';
const errors = require('../../../lib/errors');
const Systemd = require(modulePath);
const instance = {
name: 'ghost_org'
};
function makeSystemd(options, ui) {
let LocalSystem = Systemd;
if (options !== null) {
LocalSystem = proxyquire(modulePath, options);
}
return new LocalSystem(ui, null, instance);
}
describe('Unit: Systemd > Process Manager', function () {
it('Returns proper systemd name', function () {
const ext = new Systemd(null, null, instance);
expect(ext.systemdName).to.equal('ghost_ghost_org');
});
describe('Start Hook', function () {
let ext, ui;
beforeEach(function () {
ui = {sudo: sinon.stub().resolves()},
ext = new Systemd(ui, null, instance);
ext.ensureStarted = sinon.stub().resolves();
ext._precheck = () => true;
});
it('Calls _precheck', function () {
ext._precheck = sinon.stub();
ext.start().then(() => {
expect(ext._precheck.calledOnce).to.be.true;
});
});
it('Runs as sudo', function () {
ext.start().then(() => {
const expectedCmd = 'systemctl start ghost_ghost_org';
expect(ui.sudo.calledOnce).to.be.true;
expect(ui.sudo.getCall(0).args[0]).to.equal(expectedCmd);
});
});
it('Errors when sudo does', function () {
ui.sudo = sinon.stub().rejects();
ext.start().then(() => {
expect(false, 'Promise should have rejected').to.be.true;
}).catch((error) => {
expect(error).to.be.ok;
expect(ui.sudo.calledOnce).to.be.true;
expect(error).to.be.instanceOf(errors.ProcessError);
});
});
});
describe('Stop Hook', function () {
let ext, ui;
beforeEach(function () {
ui = {sudo: sinon.stub().resolves()},
ext = new Systemd(ui, null, instance);
ext.ensureStarted = sinon.stub().resolves();
ext._precheck = () => true;
});
it('Calls _precheck', function () {
ext._precheck = sinon.stub();
ext.stop().then(() => {
expect(ext._precheck.calledOnce).to.be.true;
});
});
it('Runs as sudo', function () {
ext.stop().then(() => {
const expectedCmd = 'systemctl stop ghost_ghost_org';
expect(ui.sudo.calledOnce).to.be.true;
expect(ui.sudo.getCall(0).args[0]).to.equal(expectedCmd);
});
});
it('Errors when sudo does', function () {
ui.sudo = sinon.stub().rejects();
ext.stop().then(() => {
expect(false, 'Promise should have rejected').to.be.true;
}).catch((error) => {
expect(error).to.be.ok;
expect(ui.sudo.calledOnce).to.be.true;
expect(error).to.be.instanceOf(errors.ProcessError);
});
});
});
describe('Restart Hook', function () {
let ext, ui;
beforeEach(function () {
ui = {sudo: sinon.stub().resolves()},
ext = new Systemd(ui, null, instance);
ext.ensureStarted = sinon.stub().resolves();
ext._precheck = () => true;
});
it('Calls _precheck', function () {
ext._precheck = sinon.stub();
ext.restart().then(() => {
expect(ext._precheck.calledOnce).to.be.true;
});
});
it('Runs as sudo', function () {
ext.restart().then(() => {
const expectedCmd = 'systemctl restart ghost_ghost_org';
expect(ui.sudo.calledOnce).to.be.true;
expect(ui.sudo.getCall(0).args[0]).to.equal(expectedCmd);
});
});
it('Errors when sudo does', function () {
ui.sudo = sinon.stub().rejects();
ext.restart().then(() => {
expect(false, 'Promise should have rejected').to.be.true;
}).catch((error) => {
expect(error).to.be.ok;
expect(ui.sudo.calledOnce).to.be.true;
expect(error).to.be.instanceOf(errors.ProcessError);
});
});
});
describe('isEnabled', function () {
let execaStub;
beforeEach(function () {
execaStub = sinon.stub();
});
it('Calls execa', function () {
const expectedCmd = 'systemctl is-enabled ghost_ghost_org';
const ext = makeSystemd({execa: {shellSync: execaStub}});
expect(ext.isEnabled()).to.be.true;
expect(execaStub.calledOnce).to.be.true;
expect(execaStub.getCall(0).args[0]).to.equal(expectedCmd);
});
it('Passes bad errors through', function () {
execaStub = sinon.stub().throws(new Error('ponies'));
const ext = makeSystemd({execa: {shellSync: execaStub}});
try {
ext.isEnabled();
expect(false, 'An error should have been thrown').to.be.true;
} catch (error) {
expect(execaStub.calledOnce).to.be.true;
expect(error.message).to.equal('ponies');
}
});
it('Doesn\'t pass disabled errors through', function () {
let execaStub = sinon.stub().throws(new Error('disabled'));
const proxyOpts = {execa: {shellSync: execaStub}};
let ext = makeSystemd(proxyOpts);
expect(ext.isEnabled()).to.be.false;
execaStub = sinon.stub().throws(new Error('Failed to get unit file state'));
ext = makeSystemd(proxyOpts);
expect(ext.isEnabled()).to.be.false;
});
});
describe('enable', function () {
it('Calls systemd', function () {
const expectedCmd = 'systemctl enable ghost_ghost_org --quiet';
const ui = {sudo: sinon.stub().resolves()};
const ext = makeSystemd(null, ui);
ext.enable().then(() => {
expect(ui.sudo.calledOnce).to.be.true;
expect(ui.sudo.getCall(0).args[0]).to.equal(expectedCmd);
})
});
it('Passes errors through', function () {
const ui = {sudo: sinon.stub().rejects(new Error('red'))};
const ext = makeSystemd(null, ui);
ext.enable().then(() => {
expect(false, 'Promise should have rejected').to.be.true;
}).catch((error) => {
expect(ui.sudo.calledOnce).to.be.true;
expect(error).to.be.ok;
expect(error).to.be.instanceOf(errors.ProcessError);
});
});
});
describe('disable', function () {
it('Calls systemd', function () {
const expectedCmd = 'systemctl disable ghost_ghost_org --quiet';
const ui = {sudo: sinon.stub().resolves()};
const ext = makeSystemd(null, ui);
ext.disable().then(() => {
expect(ui.sudo.calledOnce).to.be.true;
expect(ui.sudo.getCall(0).args[0]).to.equal(expectedCmd);
})
});
it('Passes errors through', function () {
const ui = {sudo: sinon.stub().rejects(new Error('green'))};
const ext = makeSystemd(null, ui);
ext.disable().then(() => {
expect(false, 'Promise should have rejected').to.be.true;
}).catch((error) => {
expect(ui.sudo.calledOnce).to.be.true;
expect(error).to.be.ok;
expect(error).to.be.instanceOf(errors.ProcessError);
});
});
});
describe('isRunning', function () {
let execaStub;
beforeEach(function () {
execaStub = sinon.stub();
});
it('Calls execa', function () {
const expectedCmd = 'systemctl is-active ghost_ghost_org';
const ext = makeSystemd({execa: {shellSync: execaStub}});
expect(ext.isRunning()).to.be.true;
expect(execaStub.calledOnce).to.be.true;
expect(execaStub.getCall(0).args[0]).to.equal(expectedCmd);
});
it('Passes bad errors through', function () {
execaStub = sinon.stub().throws(new Error('Zebra'));
const ext = makeSystemd({execa: {shellSync: execaStub}});
try {
ext.isRunning();
expect(false, 'An error should have been thrown').to.be.true;
} catch (error) {
expect(execaStub.calledOnce).to.be.true;
expect(error.message).to.equal('Zebra');
}
});
it('Doesn\'t pass stopped errors through', function () {
let execaStub = sinon.stub().throws(new Error('inactive'));
const proxyOpts = {execa: {shellSync: execaStub}};
let ext = makeSystemd(proxyOpts);
expect(ext.isRunning()).to.be.false;
execaStub = sinon.stub().throws(new Error('activating'));
ext = makeSystemd(proxyOpts);
expect(ext.isRunning()).to.be.false;
});
});
describe('_precheck', function () {
let proxyOpts;
beforeEach(function () {
proxyOpts = {'./get-uid': sinon.stub().returns(true)};
});
it('Errors if uid doesn\'t been set', function () {
proxyOpts['./get-uid'] = sinon.stub().returns(null);
const ext = makeSystemd(proxyOpts);
try {
ext._precheck();
expect(false, 'An error should have been thrown').to.be.true;
} catch (error) {
expect(proxyOpts['./get-uid'].calledOnce).to.be.true;
expect(error).to.be.ok;
expect(error).to.be.instanceOf(errors.SystemError);
expect(error.message).to.match(/ghost setup linux-user systemd/);
}
});
it('Passes if unit file exists', function () {
const fsStub = sinon.stub().returns(true);
proxyOpts.fs = {existsSync: fsStub};
const ext = makeSystemd(proxyOpts);
const expectedFile = '/lib/systemd/system/ghost_ghost_org.service';
ext._precheck();
expect(fsStub.calledOnce).to.be.true;
expect(fsStub.getCall(0).args[0]).to.equal(expectedFile);
});
it('Errors if unit file doesn\'t exist', function () {
const fsStub = sinon.stub().returns(false);
proxyOpts.fs = {existsSync: fsStub};
const ext = makeSystemd(proxyOpts);
try {
ext._precheck();
expect(false, 'An error should have been thrown').to.be.true;
} catch (error) {
expect(fsStub.calledOnce).to.be.true;
expect(error).to.be.ok;
expect(error).to.be.instanceOf(errors.SystemError);
expect(error.message).to.match(/ghost setup systemd/);
}
});
});
describe('willRun', function () {
let execaStub;
beforeEach(function () {
execaStub = sinon.stub();
});
it('Calls execa', function () {
const expectedCmd = 'which systemctl';
const Systemd = proxyquire(modulePath,
{execa: {shellSync: execaStub}});
expect(Systemd.willRun()).to.be.true;
expect(execaStub.calledOnce).to.be.true;
expect(execaStub.getCall(0).args[0]).to.equal(expectedCmd);
});
it('Always fails', function () {
execaStub = sinon.stub().throws(new Error());
const Systemd = proxyquire(modulePath,
{execa: {shellSync: execaStub}});
expect(Systemd.willRun()).to.be.false;
expect(execaStub.calledOnce).to.be.true;
});
});
});