/
config.spec.js
178 lines (150 loc) · 5.43 KB
/
config.spec.js
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'use strict';
const sinon = require('sinon');
const rewiremock = require('rewiremock/node');
const {parsers} = require('../../../lib/cli/config');
describe('cli/config', function () {
const phonyConfigObject = {ok: true};
afterEach(function () {
sinon.restore();
});
describe('loadConfig()', function () {
let parsers;
let loadConfig;
beforeEach(function () {
const config = rewiremock.proxy(
require.resolve('../../../lib/cli/config')
);
parsers = config.parsers;
loadConfig = config.loadConfig;
});
describe('when parsing succeeds', function () {
beforeEach(function () {
sinon.stub(parsers, 'yaml').returns(phonyConfigObject);
sinon.stub(parsers, 'json').returns(phonyConfigObject);
sinon.stub(parsers, 'js').returns(phonyConfigObject);
});
describe('when supplied a filepath with ".yaml" extension', function () {
const filepath = 'foo.yaml';
it('should use the YAML parser', function () {
loadConfig(filepath);
expect(parsers.yaml, 'to have calls satisfying', [
{args: [filepath], returned: phonyConfigObject}
]).and('was called once');
});
});
describe('when supplied a filepath with ".yml" extension', function () {
const filepath = 'foo.yml';
it('should use the YAML parser', function () {
loadConfig(filepath);
expect(parsers.yaml, 'to have calls satisfying', [
{args: [filepath], returned: phonyConfigObject}
]).and('was called once');
});
});
describe('when supplied a filepath with ".js" extension', function () {
const filepath = 'foo.js';
it('should use the JS parser', function () {
loadConfig(filepath);
expect(parsers.js, 'to have calls satisfying', [
{args: [filepath], returned: phonyConfigObject}
]).and('was called once');
});
});
describe('when supplied a filepath with ".cjs" extension', function () {
const filepath = 'foo.cjs';
it('should use the JS parser', function () {
loadConfig(filepath);
expect(parsers.js, 'to have calls satisfying', [
{args: [filepath], returned: phonyConfigObject}
]).and('was called once');
});
});
describe('when supplied a filepath with ".jsonc" extension', function () {
const filepath = 'foo.jsonc';
it('should use the JSON parser', function () {
loadConfig('foo.jsonc');
expect(parsers.json, 'to have calls satisfying', [
{args: [filepath], returned: phonyConfigObject}
]).and('was called once');
});
});
describe('when supplied a filepath with ".json" extension', function () {
const filepath = 'foo.json';
it('should use the JSON parser', function () {
loadConfig('foo.json');
expect(parsers.json, 'to have calls satisfying', [
{args: [filepath], returned: phonyConfigObject}
]).and('was called once');
});
});
});
describe('when supplied a filepath with unsupported extension', function () {
beforeEach(function () {
sinon.stub(parsers, 'json').returns(phonyConfigObject);
});
it('should use the JSON parser', function () {
loadConfig('foo.bar');
expect(parsers.json, 'was called');
});
});
describe('when config file parsing fails', function () {
beforeEach(function () {
sinon.stub(parsers, 'yaml').throws('goo.yaml is unparsable');
});
it('should throw', function () {
expect(
() => loadConfig('goo.yaml'),
'to throw',
'Unable to read/parse goo.yaml: goo.yaml is unparsable'
);
});
});
});
describe('findConfig()', function () {
let findup;
let findConfig;
let CONFIG_FILES;
beforeEach(function () {
findup = {sync: sinon.stub().returns('/some/path/.mocharc.js')};
const config = rewiremock.proxy(
require.resolve('../../../lib/cli/config'),
r => ({
'find-up': r.by(() => findup)
})
);
findConfig = config.findConfig;
CONFIG_FILES = config.CONFIG_FILES;
});
it('should look for one of the config files using findup-sync', function () {
findConfig();
expect(findup, 'to have a call satisfying', {
args: [CONFIG_FILES, {cwd: process.cwd()}],
returned: '/some/path/.mocharc.js'
});
});
it('should support an explicit `cwd`', function () {
findConfig('/some/path/');
expect(findup, 'to have a call satisfying', {
args: [CONFIG_FILES, {cwd: '/some/path/'}],
returned: '/some/path/.mocharc.js'
});
});
});
describe('parsers()', function () {
it('should print error message for faulty require', function () {
// Fixture exists, but fails loading.
// Prints correct error message without using fallback path.
expect(
() => parsers.js(require.resolve('./fixtures/bad-require.fixture.js')),
'to throw',
{message: /Cannot find module 'fake'/, code: 'MODULE_NOT_FOUND'}
);
});
it('should print error message for non-existing file', function () {
expect(() => parsers.js('not-existing.js'), 'to throw', {
message: /Cannot find module 'not-existing.js'/,
code: 'MODULE_NOT_FOUND'
});
});
});
});