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Add tests for canConnectToPrevious

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Rachel Fenichel
2018-11-19 14:50:00 -08:00
parent ef23820b83
commit 13740f4c84
1 changed files with 106 additions and 0 deletions
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106
tests/jsunit/connection_test.js
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@@ -313,6 +313,112 @@ function test_isConnectionAllowed_NoNext() {
assertTrue(two.isConnectionAllowed(one));
}
function test_canConnectToPrevious_alreadyConnected() {
var sharedWorkspace = {};
var one = helper_createConnection(0, 0, Blockly.NEXT_STATEMENT);
one.sourceBlock_ = helper_makeSourceBlock(sharedWorkspace);
one.sourceBlock_.nextConnection = one;
var two = helper_createConnection(0, 0, Blockly.PREVIOUS_STATEMENT);
two.sourceBlock_ = helper_makeSourceBlock(sharedWorkspace);
two.sourceBlock_.previousConnection = two;
Blockly.Connection.connectReciprocally_(one, two);
var three = helper_createConnection(0, 0, Blockly.PREVIOUS_STATEMENT);
three.sourceBlock_ = helper_makeSourceBlock(sharedWorkspace);
three.sourceBlock_.previousConnection = three;
// The next connection is already occupied and cannot disconnect itself
// mid-drag.
assertFalse(one.canConnectToPrevious_(three));
}
function test_canConnect_dragging() {
var sharedWorkspace = {};
var one = helper_createConnection(0, 0, Blockly.NEXT_STATEMENT);
one.sourceBlock_ = helper_makeSourceBlock(sharedWorkspace);
one.sourceBlock_.nextConnection = one;
var two = helper_createConnection(0, 0, Blockly.PREVIOUS_STATEMENT);
two.sourceBlock_ = helper_makeSourceBlock(sharedWorkspace);
two.sourceBlock_.previousConnection = two;
Blockly.Connection.connectReciprocally_(one, two);
Blockly.draggingConnections_.push(one);
Blockly.draggingConnections_.push(two);
assertFalse(two.isConnectionAllowed(one));
assertFalse(one.isConnectionAllowed(two));
}
function test_canConnect_stackStart() {
var sharedWorkspace = {};
var block1Next = helper_createConnection(0, 0, Blockly.NEXT_STATEMENT);
var block1 = helper_makeSourceBlock(sharedWorkspace);
block1Next.sourceBlock_ = block1
block1.nextConnection = block1Next;
var block1Prev = helper_createConnection(0, 0, Blockly.PREVIOUS_STATEMENT);
block1Prev.sourceBlock_ = block1;
block1.previousConnection = block1Prev
var block2Prev = helper_createConnection(0, 0, Blockly.PREVIOUS_STATEMENT);
block2Prev.sourceBlock_ = helper_makeSourceBlock(sharedWorkspace);
block2Prev.sourceBlock_.previousConnection = block2Prev;
Blockly.Connection.connectReciprocally_(block1Next, block2Prev);
var three = helper_createConnection(0, 0, Blockly.NEXT_STATEMENT);
three.sourceBlock_ = helper_makeSourceBlock(sharedWorkspace);
three.sourceBlock_.nextConnection = three;
// Can connect at the beginning of the stack.
assertTrue(three.canConnectToPrevious_(block1Prev));
// But not in the middle of the stack.
assertFalse(three.canConnectToPrevious_(block2Prev));
}
function test_canConnect_stackStart_insertionMarker() {
var sharedWorkspace = {};
var block1Next = helper_createConnection(0, 0, Blockly.NEXT_STATEMENT);
var block1 = helper_makeSourceBlock(sharedWorkspace);
block1.isInsertionMarker = function() {
return true;
}
block1.getPreviousBlock = function() {
return false;
}
block1Next.sourceBlock_ = block1
block1.nextConnection = block1Next;
var block1Prev = helper_createConnection(0, 0, Blockly.PREVIOUS_STATEMENT);
block1Prev.sourceBlock_ = block1;
block1.previousConnection = block1Prev
var block2Prev = helper_createConnection(0, 0, Blockly.PREVIOUS_STATEMENT);
var block2 = helper_makeSourceBlock(sharedWorkspace);
block2Prev.sourceBlock_ = block2;
block2.previousConnection = block2Prev;
block2.getPreviousBlock = function() {
return block1;
}
Blockly.Connection.connectReciprocally_(block1Next, block2Prev);
var three = helper_createConnection(0, 0, Blockly.NEXT_STATEMENT);
three.sourceBlock_ = helper_makeSourceBlock(sharedWorkspace);
three.sourceBlock_.nextConnection = three;
// Can't connect to the previous connection of an insertion marker.
assertFalse(three.isConnectionAllowed(block1Prev));
// But can connect to a previous connection that is already connected to an
// insertion marker.
assertTrue(three.isConnectionAllowed(block2Prev));
}
function testCheckConnection_Okay() {
connectionTest_setUp();
previous.checkConnection_(next);