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Disable merge operation when it would damage relations

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The operation is disabled when attempting to join ways which don't belong to identical sets of relations. Restriction relations are excluded, because they are already handled with slightly different logic.

Fixes #8674
Fixes #8645
Fixes #3825
Fixes #1512
This commit is contained in:
John Firebaugh
2021-09-04 15:38:57 -07:00
parent 73e5cf0142
commit a14cf49710
5 changed files with 66 additions and 3 deletions
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test/spec/actions/join.js
+41
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@@ -142,6 +142,47 @@ describe('iD.actionJoin', function () {
expect(iD.actionJoin(['-', '=']).disabled(graph)).to.equal('restriction');
});
it('returns \'conflicting_relations\' when a relation would be extended', function () {
// a --> b ==> c
// members: -
// not member: =
var graph = iD.coreGraph([
iD.osmNode({id: 'a', loc: [0,0]}),
iD.osmNode({id: 'b', loc: [2,0]}),
iD.osmNode({id: 'c', loc: [4,0]}),
iD.osmWay({id: '-', nodes: ['a', 'b']}),
iD.osmWay({id: '=', nodes: ['b', 'c']}),
iD.osmRelation({id: 'r', tags: {}, members: [
{type: 'way', id: '-'},
]})
]);
expect(iD.actionJoin(['-', '=']).disabled(graph)).to.equal('conflicting_relations');
});
it('returns \'conflicting_relations\' when a relation would be forked', function () {
// a --> b ==> c
// |
// d
// members: -, =
// not member: |
var graph = iD.coreGraph([
iD.osmNode({id: 'a', loc: [0,0]}),
iD.osmNode({id: 'b', loc: [2,0]}),
iD.osmNode({id: 'c', loc: [4,0]}),
iD.osmNode({id: 'd', loc: [2,2]}),
iD.osmWay({id: '-', nodes: ['a', 'b']}),
iD.osmWay({id: '=', nodes: ['b', 'c']}),
iD.osmWay({id: '|', nodes: ['b', 'd']}),
iD.osmRelation({id: 'r', tags: {}, members: [
{type: 'way', id: '-'},
{type: 'way', id: '='},
]})
]);
expect(iD.actionJoin(['-', '|']).disabled(graph)).to.equal('conflicting_relations');
});
it('returns \'paths_intersect\' if resulting way intersects itself', function () {
// d
// |