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arangodb/js/server/tests/sharding-agency-communicati...

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JavaScript

////////////////////////////////////////////////////////////////////////////////
/// @brief test the agency communication layer
///
/// @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 Michael Hackstein
/// @author Copyright 2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
var jsunity = require("jsunity");
var internal = require("internal");
var _ = require("underscore");
// -----------------------------------------------------------------------------
// --SECTION-- agency-result-helper
// -----------------------------------------------------------------------------
var createResult = function(prefix, list) {
var res = {};
_.each(list, function(v, k) {
res[prefix + k] = v;
});
return res;
};
// -----------------------------------------------------------------------------
// --SECTION-- good-case
// -----------------------------------------------------------------------------
function runGoodCaseTests(test) {
var Communication = require("org/arangodb/sharding/agency-communication");
var configResult;
var tmpConfigResult;
var registeredResult;
var agencyMock;
var resetToDefault;
var comm;
var agencyRoutes;
var setup;
var teardown;
var agencyTargetServers;
var plannedServers;
var registered;
agencyRoutes = {
vision: "Vision/",
target: "Target/",
plan: "Plan/",
current: "Current/",
fail: "Fail/"
};
resetToDefault = function() {
agencyTargetServers = createResult(agencyRoutes.target + "DBServers/", {
"pavel": "sandro",
"paul": "sally",
"patricia": "sandra"
});
plannedServers = createResult(agencyRoutes.plan + "DBServers/", {
"pavel": "sandro",
"paul": "sally",
"patricia": "sandra"
});
registered = createResult(agencyRoutes.current + "ServersRegistered/", {
"pavel": "tcp://192.168.0.1:8529",
"paul": "tcp://192.168.0.2:8529",
"patricia": "tcp://192.168.0.3:8529",
"sandro": "tcp://192.168.0.4:8529",
"sally": "tcp://192.168.0.5:8529",
"sandra": "tcp://192.168.0.6:8529"
});
};
setup = function() {
resetToDefault();
};
teardown = function() {
};
agencyMock = {
get: function(route, recursive) {
if (route === agencyRoutes.target + "DBServers" && recursive) {
return agencyTargetServers;
}
if (route === agencyRoutes.plan + "DBServers" && recursive) {
return plannedServers;
}
if (route === agencyRoutes.current + "ServersRegistered" && recursive) {
return registered;
}
fail();
}
};
Communication._createAgency = function() {
return agencyMock;
};
comm = new Communication.Communication();
function VisionSuite() {
return {
setUp: setup,
tearDown: teardown,
testGetVision: function() {
var expectedResult = {
};
assertTrue(false);
}
};
};
function TargetDBServersSuite() {
var targetServers;
return {
setUp: function() {
setup();
targetServers = comm.target.DBServers();
},
tearDown: teardown,
testGetServerList: function() {
var expected = {
pavel: {
role: "primary",
secondary: "sandro"
},
paul: {
role: "primary",
secondary: "sally"
},
patricia: {
role: "primary",
secondary: "sandra"
},
sandro: {
role: "secondary"
},
sally: {
role: "secondary"
},
sandra: {
role: "secondary"
}
};
var res = targetServers.getList();
assertEqual(res, expected);
},
testAddNewPrimaryServer: function() {
var name = "pancho";
var wasCalled = false;
agencyMock.set = function(route, value) {
assertEqual(route, agencyRoutes.target + "DBServers/" + name);
assertEqual(value, "none");
agencyTargetServers[route] = value;
wasCalled = true;
return true;
};
assertTrue(targetServers.addPrimary(name), "Failed to insert a new primary");
assertTrue(wasCalled, "Agency has not been informed to insert primary.");
var newList = targetServers.getList();
assertNotUndefined(newList[name]);
assertEqual(newList[name].role, "primary");
assertUndefined(newList[name].secondary);
},
testAddNewSecondaryServer: function() {
var name = "pancho";
var secName = "samuel";
var wasCalled = false;
agencyMock.set = function(route, value) {
assertEqual(route, agencyRoutes.target + "DBServers/" + name);
assertEqual(value, "none");
assertFalse(wasCalled, "Set has been called multiple times");
agencyTargetServers[route] = value;
wasCalled = true;
return true;
};
assertTrue(targetServers.addPrimary(name), "Failed to insert a new primary");
assertTrue(wasCalled, "Agency has not been informed to insert primary.");
wasCalled = false;
agencyMock.set = function(route, value) {
assertEqual(route, agencyRoutes.target + "DBServers/" + name);
assertEqual(value, secName);
assertFalse(wasCalled, "Set has been called multiple times");
agencyTargetServers[route] = value;
wasCalled = true;
return true;
};
assertTrue(targetServers.addSecondary(secName, name), "Failed to insert a new secondary");
assertTrue(wasCalled, "Agency has not been informed to insert secondary.");
var newList = targetServers.getList();
assertNotUndefined(newList[name]);
assertEqual(newList[name].role, "primary");
assertEqual(newList[name].secondary, secName);
assertNotUndefined(newList[secName]);
assertEqual(newList[secName].role, "secondary");
},
testAddNewServerPair: function() {
var name = "pancho";
var secName = "samuel";
var wasCalled = false;
agencyMock.set = function(route, value) {
assertEqual(route, agencyRoutes.target + "DBServers/" + name);
assertEqual(value, secName);
assertFalse(wasCalled, "Set has been called multiple times");
agencyTargetServers[route] = value;
wasCalled = true;
return true;
};
assertTrue(targetServers.addPair(name, secName), "Failed to insert a new primary/secondary pair");
assertTrue(wasCalled, "Agency has not been informed to insert the new pair.");
var newList = targetServers.getList();
assertNotUndefined(newList[name]);
assertEqual(newList[name].role, "primary");
assertEqual(newList[name].secondary, secName);
assertNotUndefined(newList[secName]);
assertEqual(newList[secName].role, "secondary");
},
testRemovePrimaryServer: function() {
var name = "pavel";
var secondaryName = "sandro";
var setWasCalled = false;
agencyMock.set = function(route, value) {
assertEqual(route, agencyRoutes.target + "DBServers/" + secondaryName);
assertEqual(value, "none");
assertFalse(setWasCalled, "Set has been called multiple times");
agencyTargetServers[route] = value;
setWasCalled = true;
return true;
};
var delWasCalled = false;
agencyMock.remove = function(route) {
assertEqual(route, agencyRoutes.target + "DBServers/" + name);
assertFalse(delWasCalled, "Delete has been called multiple times");
delete agencyTargetServers[route];
delWasCalled = true;
return true;
};
assertTrue(targetServers.removeServer(name), "Failed to remove a primary server");
assertTrue(setWasCalled, "Agency has not been informed to replace the primary with the secondary.");
assertTrue(delWasCalled, "Agency has not been informed to remove the primary/secondary pair.");
var newList = targetServers.getList();
assertUndefined(newList[name]);
assertNotUndefined(newList[secondaryName]);
assertEqual(newList[secondaryName].role, "primary");
assertUndefined(newList[secondaryName].secondary);
},
testRemoveSecondaryServer: function() {
var name = "sandro";
var pName = "pavel";
var wasCalled = false;
agencyMock.set = function(route, value) {
assertEqual(route, agencyRoutes.target + "DBServers/" + pName);
assertEqual(value, "none");
assertFalse(wasCalled, "Set has been called multiple times");
agencyTargetServers[route] = value;
wasCalled = true;
return true;
};
assertTrue(targetServers.removeServer(name), "Failed to remove a secondary server.");
assertTrue(wasCalled, "Agency has not been informed to update the primary server.");
var newList = targetServers.getList();
assertUndefined(newList[name]);
assertNotUndefined(newList[pName]);
assertEqual(newList[pName].role, "primary");
assertUndefined(newList[pName].secondary);
}
};
};
function TargetShardSuite() {
return {
setUp: setup,
tearDown: teardown,
testGetDatabaseList: function() {
assertTrue(true);
}
}
};
function DBServersSuite() {
var DBServers;
return {
setUp: function() {
DBServers = comm.DBServers();
},
tearDown: function() {},
testGetList: function() {
var expectedResult = {
pavel: {
address: "tcp://192.168.0.1:8529",
role: "primary",
secondary: "sandro"
},
paul: {
address: "tcp://192.168.0.2:8529",
role: "primary",
secondary: "sally"
},
patricia: {
address: "tcp://192.168.0.3:8529",
role: "primary",
secondary: "sandra"
},
sandro: {
address: "tcp://192.168.0.4:8529",
role: "secondary"
},
sally: {
address: "tcp://192.168.0.5:8529",
role: "secondary"
},
sandra: {
address: "tcp://192.168.0.6:8529",
role: "secondary"
}
};
var res = DBServers.list();
assertEqual(expectedResult, res);
}
};
};
// test.run(VisionSuite);
test.run(TargetDBServersSuite);
test.run(TargetShardSuite);
// test.run(DBServersSuite);
};
// -----------------------------------------------------------------------------
// --SECTION-- main
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @brief executes the test suites
////////////////////////////////////////////////////////////////////////////////
runGoodCaseTests(jsunity);
return jsunity.done();
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