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Add history.pauseChangeDispatch / history.resumeChangeDispatch

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To avoid dispatching change events at improper times
This commit is contained in:
Bryan Housel
2019-03-05 17:46:54 -05:00
parent e9628848c0
commit 0ea69548ea
2 changed files with 57 additions and 17 deletions
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test/spec/core/history.js
+37 -12
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@@ -55,8 +55,8 @@ describe('iD.History', function () {
});
it('performs multiple actions', function () {
var action1 = sinon.stub().returns(iD.coreGraph()),
action2 = sinon.stub().returns(iD.coreGraph());
var action1 = sinon.stub().returns(iD.coreGraph());
var action2 = sinon.stub().returns(iD.coreGraph());
history.perform(action1, action2, 'annotation');
expect(action1).to.have.been.called;
expect(action2).to.have.been.called;
@@ -99,8 +99,8 @@ describe('iD.History', function () {
});
it('performs multiple actions', function () {
var action1 = sinon.stub().returns(iD.coreGraph()),
action2 = sinon.stub().returns(iD.coreGraph());
var action1 = sinon.stub().returns(iD.coreGraph());
var action2 = sinon.stub().returns(iD.coreGraph());
history.replace(action1, action2, 'annotation');
expect(action1).to.have.been.called;
expect(action2).to.have.been.called;
@@ -193,8 +193,8 @@ describe('iD.History', function () {
});
it('performs multiple actions', function () {
var action1 = sinon.stub().returns(iD.coreGraph()),
action2 = sinon.stub().returns(iD.coreGraph());
var action1 = sinon.stub().returns(iD.coreGraph());
var action2 = sinon.stub().returns(iD.coreGraph());
history.perform(action, 'annotation');
history.overwrite(action1, action2, 'annotation2');
expect(action1).to.have.been.called;
@@ -266,6 +266,31 @@ describe('iD.History', function () {
});
});
describe('#pauseChangeDispatch / #resumeChangeDispatch', function() {
it('prevents change events from getting dispatched', function() {
history.perform(action, 'base');
history.on('change', spy);
history.pauseChangeDispatch();
history.perform(action, 'perform');
expect(spy).to.have.been.notCalled;
history.replace(action, 'replace');
expect(spy).to.have.been.notCalled;
history.overwrite(action, 'replace');
expect(spy).to.have.been.notCalled;
history.undo();
expect(spy).to.have.been.notCalled;
history.redo();
expect(spy).to.have.been.notCalled;
history.pop();
expect(spy).to.have.been.notCalled;
var difference = history.resumeChangeDispatch();
expect(spy).to.have.been.calledOnceWith(difference);
});
});
describe('#changes', function () {
it('includes created entities', function () {
var node = iD.osmNode();
@@ -274,8 +299,8 @@ describe('iD.History', function () {
});
it('includes modified entities', function () {
var node1 = iD.osmNode({id: 'n1'}),
node2 = node1.update({ tags: { yes: 'no' } });
var node1 = iD.osmNode({id: 'n1'});
var node2 = node1.update({ tags: { yes: 'no' } });
history.merge([node1]);
history.perform(function (graph) { return graph.replace(node2); });
expect(history.changes().modified).to.eql([node2]);
@@ -357,10 +382,10 @@ describe('iD.History', function () {
});
it('generates v3 JSON', function() {
var node_1 = iD.osmNode({id: 'n-1'}),
node1 = iD.osmNode({id: 'n1'}),
node2 = iD.osmNode({id: 'n2'}),
node3 = iD.osmNode({id: 'n3'});
var node_1 = iD.osmNode({id: 'n-1'});
var node1 = iD.osmNode({id: 'n1'});
var node2 = iD.osmNode({id: 'n2'});
var node3 = iD.osmNode({id: 'n3'});
history.merge([node1, node2, node3]);
history.perform(iD.actionAddEntity(node_1)); // addition
history.perform(iD.actionChangeTags('n2', {k: 'v'})); // modification