File "connection_db_test.js"
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/**
* @license
* Copyright 2019 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
suite('Connection Database', function() {
setup(function() {
sharedTestSetup.call(this);
this.database = new Blockly.ConnectionDB(new Blockly.ConnectionChecker());
this.assertOrder = function() {
var length = this.database.connections_.length;
for (var i = 1; i < length; i++) {
chai.assert.isAtMost(this.database.connections_[i - 1].y,
this.database.connections_[i].y);
}
};
this.createConnection = function(x, y, type, opt_database) {
var workspace = {
connectionDBList: []
};
workspace.connectionDBList[type] = opt_database || this.database;
var connection = new Blockly.RenderedConnection(
{workspace: workspace}, type);
connection.x = x;
connection.y = y;
return connection;
};
this.createSimpleTestConnections = function() {
for (var i = 0; i < 10; i++) {
var connection = this.createConnection(0, i, Blockly.PREVIOUS_STATEMENT);
this.database.addConnection(connection, i);
}
};
});
teardown(function() {
sharedTestTeardown.call(this);
});
test('Add Connection', function() {
var y2 = {y: 2};
var y4 = {y: 4};
var y1 = {y: 1};
var y3a = {y: 3};
var y3b = {y: 3};
this.database.addConnection(y2, 2);
chai.assert.sameOrderedMembers(
this.database.connections_, [y2]);
this.database.addConnection(y4, 4);
chai.assert.sameOrderedMembers(
this.database.connections_, [y2, y4]);
this.database.addConnection(y1, 1);
chai.assert.sameOrderedMembers(
this.database.connections_, [y1, y2, y4]);
this.database.addConnection(y3a, 3);
chai.assert.sameOrderedMembers(
this.database.connections_, [y1, y2, y3a, y4]);
this.database.addConnection(y3b, 3);
chai.assert.sameOrderedMembers(
this.database.connections_, [y1, y2, y3b, y3a, y4]);
});
test('Remove Connection', function() {
var y2 = {y: 2};
var y4 = {y: 4};
var y1 = {y: 1};
var y3a = {y: 3};
var y3b = {y: 3};
var y3c = {y: 3};
this.database.addConnection(y2, 2);
this.database.addConnection(y4, 4);
this.database.addConnection(y1, 1);
this.database.addConnection(y3c, 3);
this.database.addConnection(y3b, 3);
this.database.addConnection(y3a, 3);
chai.assert.sameOrderedMembers(
this.database.connections_, [y1, y2, y3a, y3b, y3c, y4]);
this.database.removeConnection(y2, 2);
chai.assert.sameOrderedMembers(
this.database.connections_, [y1, y3a, y3b, y3c, y4]);
this.database.removeConnection(y4, 4);
chai.assert.sameOrderedMembers(
this.database.connections_, [y1, y3a, y3b, y3c]);
this.database.removeConnection(y1, 1);
chai.assert.sameOrderedMembers(
this.database.connections_, [y3a, y3b, y3c]);
this.database.removeConnection(y3a, 3);
chai.assert.sameOrderedMembers(
this.database.connections_, [y3b, y3c]);
this.database.removeConnection(y3c, 3);
chai.assert.sameOrderedMembers(
this.database.connections_, [y3b]);
this.database.removeConnection(y3b, 3);
chai.assert.isEmpty(this.database.connections_);
});
suite('Get Neighbors', function() {
test('Empty Database', function() {
var connection = this.createConnection(0, 0, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
chai.assert.isEmpty(this.database.getNeighbours(connection), 100);
});
test('Block At Top', function() {
this.createSimpleTestConnections();
var checkConnection = this.createConnection(0, 0, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
var neighbors = this.database.getNeighbours(checkConnection, 4);
chai.assert.sameMembers(neighbors, this.database.connections_.slice(0, 5));
});
test('Block In Middle', function() {
this.createSimpleTestConnections();
var checkConnection = this.createConnection(0, 4, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
var neighbors = this.database.getNeighbours(checkConnection, 2);
chai.assert.sameMembers(neighbors, this.database.connections_.slice(2, 7));
});
test('Block At End', function() {
this.createSimpleTestConnections();
var checkConnection = this.createConnection(0, 9, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
var neighbors = this.database.getNeighbours(checkConnection, 4);
chai.assert.sameMembers(neighbors, this.database.connections_.slice(5, 10));
});
test('Out of Range X', function() {
this.createSimpleTestConnections();
var checkConnection = this.createConnection(10, 9, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
var neighbors = this.database.getNeighbours(checkConnection, 4);
chai.assert.isEmpty(neighbors);
});
test('Out of Range Y', function() {
this.createSimpleTestConnections();
var checkConnection = this.createConnection(0, 19, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
var neighbors = this.database.getNeighbours(checkConnection, 4);
chai.assert.isEmpty(neighbors);
});
test('Out of Range Diagonal', function() {
this.createSimpleTestConnections();
var checkConnection = this.createConnection(-2, -2, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
var neighbors = this.database.getNeighbours(checkConnection, 2);
chai.assert.isEmpty(neighbors);
});
});
suite('Ordering', function() {
test('Simple', function() {
for (var i = 0; i < 10; i++) {
var connection = this.createConnection(0, i, Blockly.NEXT_STATEMENT);
this.database.addConnection(connection, i);
}
this.assertOrder();
});
test('Quasi-Random', function() {
var xCoords = [-29, -47, -77, 2, 43, 34, -59, -52, -90, -36, -91, 38,
87, -20, 60, 4, -57, 65, -37, -81, 57, 58, -96, 1, 67, -79, 34, 93,
-90, -99, -62, 4, 11, -36, -51, -72, 3, -50, -24, -45, -92, -38, 37,
24, -47, -73, 79, -20, 99, 43, -10, -87, 19, 35, -62, -36, 49, 86,
-24, -47, -89, 33, -44, 25, -73, -91, 85, 6, 0, 89, -94, 36, -35, 84,
-9, 96, -21, 52, 10, -95, 7, -67, -70, 62, 9, -40, -95, -9, -94, 55,
57, -96, 55, 8, -48, -57, -87, 81, 23, 65];
var yCoords = [-81, 82, 5, 47, 30, 57, -12, 28, 38, 92, -25, -20, 23,
-51, 73, -90, 8, 28, -51, -15, 81, -60, -6, -16, 77, -62, -42, -24,
35, 95, -46, -7, 61, -16, 14, 91, 57, -38, 27, -39, 92, 47, -98, 11,
-33, -72, 64, 38, -64, -88, -35, -59, -76, -94, 45, -25, -100, -95,
63, -97, 45, 98, 99, 34, 27, 52, -18, -45, 66, -32, -38, 70, -73,
-23, 5, -2, -13, -9, 48, 74, -97, -11, 35, -79, -16, -77, 83, -57,
-53, 35, -44, 100, -27, -15, 5, 39, 33, -19, -20, -95];
var length = xCoords.length;
for (var i = 0; i < length; i++) {
var connection = this.createConnection(xCoords[i], yCoords[i],
Blockly.NEXT_STATEMENT);
this.database.addConnection(connection, yCoords[i]);
}
this.assertOrder();
});
});
suite('Search For Closest', function() {
setup(function() {
// Ignore type checks.
sinon.stub(this.database.connectionChecker_, 'doTypeChecks')
.returns(true);
// Ignore safety checks.
sinon.stub(this.database.connectionChecker_, 'doSafetyChecks')
.returns(Blockly.Connection.CAN_CONNECT);
// Skip everything but the distance checks.
sinon.stub(this.database.connectionChecker_, 'doDragChecks')
.callsFake(function(a, b, distance) {
return a.distanceFrom(b) <= distance;
});
this.createCheckConnection = function(x, y) {
var checkConnection = this.createConnection(x, y, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
return checkConnection;
};
});
test('Empty Database', function() {
var checkConnection = this.createConnection(0, 0, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
chai.assert.isNull(this.database.searchForClosest(
checkConnection, 100, {x: 0, y: 0}).connection);
});
test('Too Far', function() {
var connection = this.createConnection(0, 100, Blockly.PREVIOUS_STATEMENT);
this.database.addConnection(connection, 100);
var checkConnection = this.createConnection(0, 0, Blockly.NEXT_STATEMENT,
new Blockly.ConnectionDB());
chai.assert.isNull(this.database.searchForClosest(
checkConnection, 50, {x: 0, y: 0}).connection);
});
test('Single in Range', function() {
this.createSimpleTestConnections();
var checkConnection = this.createCheckConnection(0, 14);
var last = this.database.connections_[9];
var closest = this.database.searchForClosest(
checkConnection, 5, {x: 0, y: 0}).connection;
chai.assert.equal(last, closest);
});
test('Many in Range', function() {
this.createSimpleTestConnections();
var checkConnection = this.createCheckConnection(0, 10);
var last = this.database.connections_[9];
var closest = this.database.searchForClosest(
checkConnection, 5, {x: 0, y: 0}).connection;
chai.assert.equal(last, closest);
});
test('No Y-Coord Priority', function() {
var connection1 = this.createConnection(6, 6, Blockly.PREVIOUS_STATEMENT);
this.database.addConnection(connection1, 6);
var connection2 = this.createConnection(5, 5, Blockly.PREVIOUS_STATEMENT);
this.database.addConnection(connection2, 5);
var checkConnection = this.createCheckConnection(4, 6);
var closest = this.database.searchForClosest(
checkConnection, 3, {x: 0, y: 0}).connection;
chai.assert.equal(connection2, closest);
});
});
});