e-structures/tests/map-test.js

Extended data structures library for JavaScript

"use strict";

/**
  * Test cases for eMap data structure
  */

describe("eMap - getType to return eMap", function() {
  it("should return type of eMap", function() {
    var map = new eMap();
    expect(map.getType()).toBe('eMap');
  });
});

describe("eMap - put with no argument", function () {
  it("should return -1 when no argument is specified", function () {
    var map = new eMap();
    expect(map.put()).toBe(-1);
  });
});

describe("eMap - put with 1 argument", function () {
  it("should return -1 when 1 argument is specified", function () {
    var map = new eMap();
    expect(map.put("key")).toBe(-1);
  });
});

describe("eMap - put with more than 2 arguments", function () {
  it("should return -1 when more than 2 arguments are specified", function () {
    var map = new eMap();
    expect(map.put("key", [1, 5, 6], 17)).toBe(-1);
  });
});

describe("eMap - put with non string key argument", function() {
  it("should return -1 when non-string is provided as key", function() {
    var map = new eMap();
    expect(map.put(45, 100)).toBe(-1);
  });
});

describe("eMap - put with correct arguments", function() {
  it("should return size of Map when correct arguments are supplied", function() {
    var map = new eMap();
    expect(map.put("age", 25)).toBe(1);
  });
});

describe("eMap - get size of map", function() {
  it("should return size of Map", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.size()).toBe(2);
  });
});

describe("eMap - check if map is empty", function() {
  it("should return empty status of map", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.isEmpty()).toBeFalsy();
  });
});

describe("eMap - check if map contains specified key", function() {
  it("should return containsKey status of map", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.containsKey("name")).toBeTruthy();
  });
});

describe("eMap - check if map contains specified key", function() {
  it("should return containsKey status of map", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.containsKey("school")).toBeFalsy();
  });
});

describe("eMap - clear map", function() {
  it("should return 0 when map is successfully cleared", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.clear()).toBe(0);
  });
});

describe("eMap - get element associated with specified key", function() {
  it("should return element associated with specified key", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.get("name")).toBe("Babatunde");
  });
});

describe("eMap - get element associated with specified key", function() {
  it("should return element associated with specified key", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.get("age")).toBe(25);
  });
});

describe("eMap - get element associated with specified key", function() {
  it("should return element associated with specified key", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.get("status")).toBeUndefined();
  });
});

describe("eMap - get element associated with specified key", function() {
  it("should return element associated with specified key", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.get()).toBeUndefined();
  });
});

describe("eMap - convert map to eList", function() {
  it("should return eList equivallent of eMap", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    var eList = map.values();
    expect(eList.toArray()).toEqual(["Babatunde", 25]);
  });
});

describe("eMap - test eMap iterator", function() {
  it("should loop through eMap key-value pairs", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    map.put("occupation", "Software Developer");
    var keys = [];
    map.getIterator().iterate(function(key, value) {
      keys.push(key);
    });
    expect(keys.indexOf("name")).toBe(0);
    expect(keys.indexOf("age")).toBe(1);
    expect(keys.indexOf("occupation")).toBe(2);
  });
});

describe("eMap - remove key-value pair from eMap", function() {
  it("should return new size of eMap after removal or undefined if key is not in eMap", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.remove("school")).toBeUndefined();
  });
});

describe("eMap - remove key-value pair from eMap", function() {
  it("should return new size of eMap after removal or undefined if key is not in eMap", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.remove("name")).toBe(1);
  });
});

describe("eMap - get eMap key set", function() {
  it("should return array representation of eMap keys", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    map.put("school", "UI");
    map.put("origin", {country: "Nigeria", state: "Lagos", city: "Ipaja"});
    expect(map.getKeySet()).toEqual(['name', 'age', 'school', 'origin']);
  });
});

describe("eMap - join two eMaps into one", function() {
  it("should return the new size of joined eMap", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    map.put("school", "UI");
    map.put("origin", {country: "Nigeria", state: "Lagos", city: "Ipaja"});
    var secondMap = new eMap();
    secondMap.put("name", "Babatunde");
    secondMap.put("age", 25);
    secondMap.put("school", "UI");
    // expect(map.addAll(secondMap)).toBe(-1);
  });
});

describe("eMap - edit value associated with specified key", function() {
  it("should return new value of key specified", function() {
    var map = new eMap();
    map.put("name", "Babatunde");
    map.put("age", 25);
    expect(map.set("age", 18)).toBe(18);
  });
});