test/unittest.html

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<head>
  <script src="../widget/javascript/jquery.js"></script>
  <script src="../widget/javascript/kivadata.js"></script>
  <script src="fixtures/loans-simple.js"></script>
  <script src="fixtures/loans-two-pages.js"></script>
  <script src="../widget/javascript/map.js"></script>
  <link rel="stylesheet" href="testsuite.css" type="text/css" media="screen" />

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  $(document).ready(function(){

module("Latitude/longitude conversion");

test("Basic latLongToPixels tests", function() {
  var x, y;
  [x,y] = mapMaker.latLongToPixels(12.5833, -16.2719);
  equals(x, 118, "The 'x' is correct");
  equals(y, 250, "The 'y' is correct");
});

module("eachLoan iterator");

test("eachLoan simple test", function() {
  var kivaData = new KivaData();
  kivaData.loanInfo = loansSimple;
  var loanList = [];
  kivaData.eachLoan(function () {
    loanList.push(this);
  });
  equals(loanList.length, 3,
         "Should have iterated over 3 loans");
  equals(loanList[0].name, 'Fatoumata Coly',
         "Name of first loan should be correct");
  equals(loanList[1].name, 'Marie Gomis',
         "Name of second loan should be correct");
  equals(loanList[2].name, 'Lydia Afriyie',
         "Name of third loan should be correct");
});

module("Data fetching");

test("fetchLoanData function test", function() {
  var kivaData = new KivaData();
  kivaData.dataSource = function (n) { return "function value" };
  var result = undefined;
  kivaData.fetchLoanData(1, function (data) { result = data; });
  equals(result, 'function value',
         "fetchLoanData should call dataSource if it's a function");
});

test("fetchLoanData object test", function() {
  var kivaData = new KivaData();
  kivaData.dataSource = ['some', 'list'];
  var result = undefined;
  kivaData.fetchLoanData(1, function (data) { result = data; });
  equals(result.length, 2,  "The result list should have two elements");
  equals(result[0], 'some', "The result's first element should be 'some'");
  equals(result[1], 'list', "The result's second element should be 'list'");
});

test("refresh method", function() {
  var kivaData = new KivaData();
  kivaData.dataSource = ['some', 'list'];
  var result = undefined;
  kivaData.fetchLoanData(1, function (data) { result = data; });
  equals(result.length, 2,  "The result list should have two elements");
  equals(result[0], 'some', "The result's first element should be 'some'");
  equals(result[1], 'list', "The result's second element should be 'list'");
});

test("addLoans method", function() {
  var kivaData = new KivaData();
  equals(kivaData.loanInfo.loans.length, 0,
         "There should be no loans initially");
  kivaData.addLoans({'loans': [{'foo': 'bar'}, {'qux': 'flux'}]});
  equals(kivaData.loanInfo.loans.length, 2,
         "There should be 2 loans");

  // Load at most one more loan
  kivaData.addLoans({'loans': [{'third': 'and last'},
                               {'extra': 'should not load'}]},
                    1);
  equals(kivaData.loanInfo.loans.length, 3,
         "atMost parameter should be honoured");

  // Less loans than atMost
  kivaData.addLoans({'loans': [{'one': 'first'}, {'two': 'last'}]},
                    3);
  equals(kivaData.loanInfo.loans.length, 5,
         "Nothing strange should happen if there are less loans than atMost");
});

test("loadLoans infinite loop protection", function() {
  expect(1);
  var kivaData = new KivaData();
  kivaData.numberLoans = 3;

  // Dummy data source, never returns loans
  kivaData.dataSource = {'loans': []}
  kivaData.loadLoans(1, function () {
    equals(kivaData.loanInfo.loans.length, 0,
           "If there are no loans, it should not get into an infinite loop");
  });
});

test("loadLoans pagination tests", function() {
  expect(18);
  var kivaData = new KivaData();
  kivaData.numberLoans = 3;

  // This data source will iterate over the pages in the loanPages variable
  kivaData.dataSource = function (counter) {
    return loanPages[(counter-1) % loanPages.length]
  };
  equals(kivaData.loanInfo.loans.length, 0,
         "There should be no loans initially");
  kivaData.loadLoans(1, function () {
    equals(kivaData.loanInfo.loans.length, 3,
           "There should be 3 loans");
    equals(kivaData.loanInfo.loans[0].name, 'Fatoumata Coly',
           "The name for the first loan should be correct");
    equals(kivaData.loanInfo.loans[1].name, 'Marie Gomis',
           "The name for the second loan should be correct");
    equals(kivaData.loanInfo.loans[2].name, 'Lydia Afriyie',
           "The name for the third loan should be correct");
  });


  // Again, now needing one loan from the second page
  var kivaDataSecondPage = new KivaData();
  kivaDataSecondPage.numberLoans = 4;

  // This data source will iterate over the pages in the loanPages variable
  kivaDataSecondPage.dataSource = function (counter) {
    return loanPages[(counter-1) % loanPages.length]
  };
  equals(kivaDataSecondPage.loanInfo.loans.length, 0,
         "There should be no loans initially");
  kivaDataSecondPage.loadLoans(1, function () {
    equals(kivaDataSecondPage.loanInfo.loans.length, 4,
           "There should be 4 loans");
    equals(kivaDataSecondPage.loanInfo.loans[0].name, 'Fatoumata Coly',
           "The name for the first loan should be correct");
    equals(kivaDataSecondPage.loanInfo.loans[1].name, 'Marie Gomis',
           "The name for the second loan should be correct");
    equals(kivaDataSecondPage.loanInfo.loans[2].name, 'Lydia Afriyie',
           "The name for the third loan should be correct");
    equals(kivaDataSecondPage.loanInfo.loans[3].name, 'Esther Adu',
           "The name for the fourth loan should be correct");
  });


  // Again, now needing one loan from the second page
  var kivaDataThreePages = new KivaData();
  kivaDataThreePages.numberLoans = 8;

  // This data source will iterate over the pages in the loanPages variable
  kivaDataThreePages.dataSource = function (counter) {
    return loanPages[(counter-1) % loanPages.length]
  };
  equals(kivaDataThreePages.loanInfo.loans.length, 0,
         "There should be no loans initially");
  kivaDataThreePages.loadLoans(1, function () {
    equals(kivaDataThreePages.loanInfo.loans.length, 8,
           "There should be 8 loans");
    equals(kivaDataThreePages.loanInfo.loans[0].name, 'Fatoumata Coly',
           "The name for the first loan should be correct");
    equals(kivaDataThreePages.loanInfo.loans[1].name, 'Marie Gomis',
           "The name for the second loan should be correct");
    equals(kivaDataThreePages.loanInfo.loans[2].name, 'Lydia Afriyie',
           "The name for the third loan should be correct");
    equals(kivaDataThreePages.loanInfo.loans[3].name, 'Esther Adu',
           "The name for the fourth loan should be correct");
    equals(kivaDataThreePages.loanInfo.loans[7].name, 'Fatoumata Coly',
           "The name for the eighth loan should be correct");
  });
});

  });
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