var should = require('should'),
    session = require('express-session'),
    util = require('util'),
    SQLiteStore = require('../lib/connect-sqlite3.js')(session);
  
describe('connect-sqlite3 basic test suite', function() {
    before(function() {
        this.memStore = new SQLiteStore({db: ':memory:', dir: 'dbs'});
    });

    after(function() {
        //this.memStore.close();
    });

    it('it should save a new session record', function(done) {
        this.memStore.set('1111222233334444', {cookie: {maxAge:2000}, name: 'sample name'}, function(err, rows) {
            should.not.exist(err, 'set() returned an error');
            rows.should.be.empty;
            done();
        });
    });


    it('it should retrieve an active session', function(done) {
        this.memStore.get('1111222233334444', function(err, session) {
            should.not.exist(err, 'get() returned an error');
            should.exist(session);
            (session).should.eql({cookie: {maxAge:2000}, name: 'sample name'});
            done();
        });
    });

    it('it should gracefully handle retrieving an unkonwn session', function(done) {
        this.memStore.get('hope-and-change', function(err, rows) {
            should.not.exist(err, 'get() unknown session returned an error');
            should.equal(undefined, rows, 'unknown session is not undefined');
            done();
        });
    });

    it('it should only contain one session', function(done) {
        this.memStore.length(function(err, len) {
            should.not.exist(err, 'session count returned an error');
            should.exist(len);
            len.should.equal(1);
            done();
        });
    });

    it('it should clear all session records', function(done) {
        var that = this;
        this.memStore.clear(function(err, success) {
            should.not.exist(err, 'clear returned an error');
            success.should.be.true;

            that.memStore.length(function(err, len) {
                should.not.exist(err, 'session count after clear returned an error');
                should.exist(len);
                len.should.equal(0);
                done();
            });
        });
    });

    it('it should destroy a session', function(done) {
        var that = this;
        this.memStore.set('555666777', {cookie: {maxAge:1000}, name: 'Rob Dobilina'}, function(err, rows) {
            should.not.exist(err, 'set() returned an error');
            rows.should.be.empty;
            
            that.memStore.destroy('555666777', function(err) {
                should.not.exist(err, 'destroy returned an error');

                that.memStore.length(function(err, len) {
                    should.not.exist(err, 'session count after destroy returned an error');
                    should.exist(len);
                    len.should.equal(0);
                    done();                        
                });                  
            });
        });
    });



});


describe('connect-sqlite3 shared cache', function() {
  it("should retrieve in one cached session what's stored in another.", function(done) {
    var cwd = process.cwd();
    var memStore = new SQLiteStore({db: 'file::memory:?cache=shared', mode: 0x20046});
    process.chdir('..'); // Ensure we aren't opening a shared disk file
    var memStore2 = new SQLiteStore({db: 'file::memory:?cache=shared', mode: 0x20046});

    memStore.set('1111222233334444', {cookie: {maxAge:2011}, name: 'sample name'}, function(err, rows) {
      process.chdir(cwd); // Restore dir
      should.not.exist(err, 'set() returned an error');
      rows.should.be.empty;
      memStore2.get('1111222233334444', function(err, session) {
        should.not.exist(err, 'get() returned an error');
        should.exist(session);
        (session).should.eql({cookie: {maxAge:2011}, name: 'sample name'});
        done();
      });
    });
  });

  it("should not retrieve in one uncached session what's stored in another.", function(done) {
    var memStore = new SQLiteStore({db: ':memory:'});
    var memStore2 = new SQLiteStore({db: ':memory:'});

    memStore.set('1111222233334444', {cookie: {maxAge:2011}, name: 'sample name'}, function(err, rows) {
      should.not.exist(err, 'set() returned an error');
      rows.should.be.empty;
      memStore2.get('1111222233334444', function(err, session) {
        should.not.exist(err, 'get() returned an error');
        should.not.exist(session);
        done();
      });
    });
  });
});