/* jshint globalstrict:false, strict:false, unused : false */
/* global assertEqual, assertFalse */

// //////////////////////////////////////////////////////////////////////////////
// / @brief tests for dump/reload
// /
// / @file
// /
// / DISCLAIMER
// /
// / Copyright 2010-2012 triagens GmbH, Cologne, Germany
// /
// / Licensed under the Apache License, Version 2.0 (the "License")
// / you may not use this file except in compliance with the License.
// / You may obtain a copy of the License at
// /
// /     http://www.apache.org/licenses/LICENSE-2.0
// /
// / Unless required by applicable law or agreed to in writing, software
// / distributed under the License is distributed on an "AS IS" BASIS,
// / WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// / See the License for the specific language governing permissions and
// / limitations under the License.
// /
// / Copyright holder is triAGENS GmbH, Cologne, Germany
// /
// / @author Jan Steemann
// / @author Copyright 2012, triAGENS GmbH, Cologne, Germany
// //////////////////////////////////////////////////////////////////////////////

var db = require('@arangodb').db;
var internal = require('internal');
var jsunity = require('jsunity');

function runSetup () {
  'use strict';
  internal.debugClearFailAt();
  var i, c;

  db._drop('UnitTestsRecovery1');
  db._drop('UnitTestsRecovery2');
  c = db._create('UnitTestsRecovery1');
  db.UnitTestsRecovery1.properties({ journalSize: 8 * 1024 * 1024, doCompact: false });

  for (i = 0; i < 1000; ++i) {
    db.UnitTestsRecovery1.save({ a: i });
  }

  db.UnitTestsRecovery1.rename('UnitTestsRecovery2'); // 1000 documents in collection 2

  db._create('UnitTestsRecovery1');

  for (i = 0; i < 99; ++i) {
    // new UnitTestsRecovery1
    db.UnitTestsRecovery1.save({ a: i }); // 99 documents in collection 1
  }

  for (i = 0; i < 100000; ++i) {
    //c is collection UnittestsRecovery2 (former 1)
    c.save({ a: 'this-is-a-longer-string-to-fill-up-logfiles' }); // 101000 documents in collection 2
  }

  // flush the logfile but do not write shutdown info
  internal.wal.flush(true, true);

  db.UnitTestsRecovery1.save({ _key: 'foo' }, true); // 100 documents in collection 1

  internal.debugTerminate('crashing server');
}

// //////////////////////////////////////////////////////////////////////////////
// / @brief test suite
// //////////////////////////////////////////////////////////////////////////////

function recoverySuite () {
  'use strict';
  jsunity.jsUnity.attachAssertions();

  return {
    setUp: function () {},
    tearDown: function () {},

    // //////////////////////////////////////////////////////////////////////////////
    // / @brief test whether rename and recreate works
    // //////////////////////////////////////////////////////////////////////////////

    testCollectionRenameRecreateFlush: function () {
      var c, prop;

      c = db._collection('UnitTestsRecovery1');
      assertEqual(100, c.count());

      c = db._collection('UnitTestsRecovery2');
      prop = c.properties();
      if (db._engine().name !== "rocksdb") {
        assertEqual(8 * 1024 * 1024, prop.journalSize);
        assertFalse(prop.doCompact);
      }
      assertEqual(1000 + 100000, c.count());
    }

  };
}

// //////////////////////////////////////////////////////////////////////////////
// / @brief executes the test suite
// //////////////////////////////////////////////////////////////////////////////

function main (argv) {
  'use strict';
  if (argv[1] === 'setup') {
    runSetup();
    return 0;
  } else {
    jsunity.run(recoverySuite);
    return jsunity.writeDone().status ? 0 : 1;
  }
}