test/compiler-finder-tests.js

// Copyright (c) 2018, Compiler Explorer Authors
// All rights reserved.
//
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//       notice, this list of conditions and the following disclaimer in the
//       documentation and/or other materials provided with the distribution.
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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const chai = require('chai');
const chaiAsPromised = require("chai-as-promised");
const CompilerFinder = require('../lib/compiler-finder');
const properties = require('../lib/properties');

chai.use(chaiAsPromised);
chai.should();

const languages = {
    'a-lang': {
        id: 'a-lang'
    }
};

const props = {
    compilers: "goodCompiler:&badCompiler"
};

const noOptionsAtAll = {
    compilers: "goodCompiler"
};

const noBaseOptions = {
    compilers: "goodCompiler",
    options: "bar"
};

const onlyBaseOptions = {
    compilers: "goodCompiler",
    baseOptions: "foo"
};

const bothOptions = {
    compilers: "goodCompiler",
    baseOptions: "foo",
    options: "bar"
};

describe('Compiler-finder', function () {
    let compilerProps;

    let noOptionsAtAllProps;
    let noBaseOptionsProps;
    let onlyBaseOptionsProps;
    let bothOptionsProps;

    let optionsHandler;

    before(() => {
        compilerProps = new properties.CompilerProps(languages, properties.fakeProps(props));

        noOptionsAtAllProps = new properties.CompilerProps(languages, properties.fakeProps(noOptionsAtAll));
        noBaseOptionsProps = new properties.CompilerProps(languages, properties.fakeProps(noBaseOptions));
        onlyBaseOptionsProps = new properties.CompilerProps(languages, properties.fakeProps(onlyBaseOptions));
        bothOptionsProps = new properties.CompilerProps(languages, properties.fakeProps(bothOptions));

        optionsHandler = {
            get: () => {
                return {
                    libs: {},
                    tools: {}
                };
            }
        };
    });

    it('should not hang for undefined groups (Bug #860)', () => {

        const finder = new CompilerFinder({}, compilerProps, properties.fakeProps({}), {}, optionsHandler);
        return finder.getCompilers().should.eventually.have.lengthOf(2);
    });

    it('should behave properly if no options are provided at all', async () => {
        const finder = new CompilerFinder({}, noOptionsAtAllProps, properties.fakeProps({}), {}, optionsHandler);
        const compilers = await finder.getCompilers();
        compilers[0].options.should.equal('');
    });

    it('should behave properly if no base options are provided', async () => {
        const finder = new CompilerFinder({}, noBaseOptionsProps, properties.fakeProps({}), {}, optionsHandler);
        const compilers = await finder.getCompilers();
        compilers[0].options.should.equal('bar');
    });

    it('should behave properly if only base options are provided', async () => {
        const finder = new CompilerFinder({}, onlyBaseOptionsProps, properties.fakeProps({}), {}, optionsHandler);
        const compilers = await finder.getCompilers();
        compilers[0].options.should.equal('foo');
    });

    it('should behave properly if both options are provided', async () => {
        const finder = new CompilerFinder({}, bothOptionsProps, properties.fakeProps({}), {}, optionsHandler);
        const compilers = await finder.getCompilers();
        compilers[0].options.should.equal('foo bar');
    });
});