test/symbol-store-tests.js

// Copyright (c) 2017, Compiler Explorer Authors
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import './utils';
import { SymbolStore } from '../lib/symbol-store';

describe('SymbolStore', function () {
    it('should be empty initially', function () {
        const store = new SymbolStore();
        store.listSymbols().length.should.equal(0);
        store.listTranslations().length.should.equal(0);
    });

    it('should be able to add an item', function () {
        const store = new SymbolStore();
        store.add('test');
        store.listSymbols().length.should.equal(1);
        store.listTranslations().length.should.equal(1);

        store.listSymbols()[0].should.equal('test');

        const translations = store.listTranslations();
        translations[0][0].should.equal('test');
        translations[0][1].should.equal('test');
    });

    it('should not contain duplicate items', function () {
        const store = new SymbolStore();
        store.add('test');
        store.add('test');
        store.listSymbols().length.should.equal(1);
        store.listTranslations().length.should.equal(1);

        store.listSymbols()[0].should.equal('test');

        const translations = store.listTranslations();
        translations[0][0].should.equal('test');
        translations[0][1].should.equal('test');
    });

    it('should return a sorted list', function () {
        const store = new SymbolStore();
        store.add('test123');
        store.add('test123456');
        store.listSymbols().length.should.equal(2);
        store.listTranslations().length.should.equal(2);

        const translations = store.listTranslations();
        translations[0][0].should.equal('test123456');
        translations[1][0].should.equal('test123');
    });

    it('should be able to add an array of items', function () {
        const store = new SymbolStore();
        store.addMany(['test123', 'test123456', 'test123']);
        store.listSymbols().length.should.equal(2);
        store.listTranslations().length.should.equal(2);

        const translations = store.listTranslations();
        translations[0][0].should.equal('test123456');
        translations[1][0].should.equal('test123');
    });

    it('should be possible to exclude items in another store', function () {
        const store1 = new SymbolStore();
        store1.addMany(['test123', 'test123456', 'test123']);

        const store2 = new SymbolStore();
        store2.addMany(['test123']);

        store1.exclude(store2);
        var translations = store1.listTranslations();
        translations.length.should.equal(1);
        translations[0][0].should.equal('test123456');
    });

    it('should be possible to exclude items that partially match', function () {
        const store1 = new SymbolStore();
        store1.addMany(['test123', 'test123456', 'test123']);

        const store2 = new SymbolStore();
        store2.addMany(['est123']);

        store1.softExclude(store2);
        var translations = store1.listTranslations();
        translations.length.should.equal(1);
        translations[0][0].should.equal('test123456');
    });
    
    it('should be able to check contents', function () {
        const store = new SymbolStore();
        store.addMany(['test123', 'test123456', 'test123']);

        store.contains('test123').should.equal(true);
        store.contains('test123456').should.equal(true);
        store.contains('test456').should.equal(false);

        store.listSymbols().length.should.equal(2);
    });
});