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require('sproutcore/runtime').SC;
var t = require('plugindev');
var History = require('edit_session:history').History;

exports.testHistory = function() {
    var mockStorage = {};
    var history = History.create({ storage: mockStorage });

    t.equal(history.getRecent(100).length, 0, 'the length of a freshly ' +
        'created history object and zero');

    history.addPath('foo');
    history.addPath('bar');
    var paths = history.getRecent(10);
    t.equal(paths.length, 2, 'the length of the history object with two ' +
        'paths in it and 2');
    t.equal(paths[0], 'bar', 'the first path in the history object with ' +
        'two paths added to it and \"bar\"');
    t.equal(paths[1], 'foo', 'the second path in the history object with ' +
        'two paths added to it and \"foo\"');

    history.addPath('baz');
    history.addPath('bar');
    history.addPath('boo');
    paths = history.getRecent(10);
    t.equal(paths.length, 4, 'the length of the history object with four ' +
        'paths in it and 4');
    t.equal(paths[0], 'boo', 'the first path in the history object with ' +
        'four paths in it and \"boo\"');
    t.equal(paths[1], 'bar', 'the second path in the history object with ' +
        'four paths in it and \"bar\"');
    t.equal(paths[2], 'baz', 'the third path in the history object with ' +
        'four paths in it and \"baz\"');
    t.equal(paths[3], 'foo', 'the fourth path in the history object with ' +
        'four paths in it and \"foo\"');

    paths = history.getRecent(2);
    t.equal(paths.length, 2, 'the number of paths returned when requesting ' +
        'two paths from the history object with four paths in it and 2');
    t.equal(paths[0], 'boo', 'the first path in the list of paths returned ' +
        'when requesting two paths from the history object with four paths ' +
        'in it and \"boo\"');
    t.equal(paths[1], 'bar', 'the second path in the list of paths returned ' +
        'when requesting two paths from the history object with four paths ' +
        'in it and \"bar\"');
};

