symbol-store-tests.js

// Copyright (c) 2017, Patrick Quist
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
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//     * Redistributions of source code must retain the above copyright notice,
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//     * Redistributions in binary form must reproduce the above copyright
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// 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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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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const chai = require('chai');
const SymbolStore = require('../lib/symbol-store').SymbolStore;

chai.should();

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);
    });
});