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107 lines
4.2 KiB
JavaScript
107 lines
4.2 KiB
JavaScript
describe('iD.svgMidpoints', function () {
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var context, surface,
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selectedIDs = [],
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projection = d3.geoProjection(function(x, y) { return [x, -y]; })
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.translate([0, 0])
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.scale(180 / Math.PI)
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.clipExtent([[0, 0], [Infinity, Infinity]]),
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filter = function() { return true; };
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beforeEach(function () {
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context = iD.Context();
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context.mode = function() {
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return {
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id: 'select',
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selectedIDs: function() { return selectedIDs; }
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};
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};
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d3.select(document.createElement('div'))
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.attr('id', 'map')
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.call(context.map());
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surface = context.surface();
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});
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it('creates midpoint on segment completely within the extent', function () {
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var a = iD.Node({loc: [0, 0]}),
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b = iD.Node({loc: [50, 0]}),
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line = iD.Way({nodes: [a.id, b.id]}),
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graph = iD.Graph([a, b, line]),
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extent = iD.geoExtent([0, 0], [100, 100]);
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selectedIDs = [line.id];
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context.selectedIDs = function() { return selectedIDs; };
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context.entity = function(id) { return graph.entity(id); };
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context.hasEntity = context.entity;
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surface.call(iD.svgMidpoints(projection, context), graph, [line], filter, extent);
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expect(surface.selectAll('.midpoint').datum().loc).to.eql([25, 0]);
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});
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it('doesn\'t create midpoint on segment with pixel length less than 40', function () {
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var a = iD.Node({loc: [0, 0]}),
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b = iD.Node({loc: [39, 0]}),
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line = iD.Way({nodes: [a.id, b.id]}),
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graph = iD.Graph([a, b, line]),
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extent = iD.geoExtent([0, 0], [100, 100]);
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selectedIDs = [line.id];
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context.selectedIDs = function() { return selectedIDs; };
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context.entity = function(id) { return graph.entity(id); };
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context.hasEntity = context.entity;
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surface.call(iD.svgMidpoints(projection, context), graph, [line], filter, extent);
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expect(surface.selectAll('.midpoint').nodes()).to.have.length(0);
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});
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it('doesn\'t create midpoint on segment completely outside of the extent', function () {
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var a = iD.Node({loc: [-100, 0]}),
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b = iD.Node({loc: [-50, 0]}),
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line = iD.Way({nodes: [a.id, b.id]}),
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graph = iD.Graph([a, b, line]),
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extent = iD.geoExtent([0, 0], [100, 100]);
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selectedIDs = [line.id];
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context.selectedIDs = function() { return selectedIDs; };
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context.entity = function(id) { return graph.entity(id); };
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context.hasEntity = context.entity;
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surface.call(iD.svgMidpoints(projection, context), graph, [line], filter, extent);
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expect(surface.selectAll('.midpoint').nodes()).to.have.length(0);
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});
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it('creates midpoint on extent edge for segment partially outside of the extent', function () {
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var a = iD.Node({loc: [50, 0]}),
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b = iD.Node({loc: [500, 0]}),
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line = iD.Way({nodes: [a.id, b.id]}),
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graph = iD.Graph([a, b, line]),
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extent = iD.geoExtent([0, 0], [100, 100]);
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selectedIDs = [line.id];
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context.selectedIDs = function() { return selectedIDs; };
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context.entity = function(id) { return graph.entity(id); };
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context.hasEntity = context.entity;
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surface.call(iD.svgMidpoints(projection, context), graph, [line], filter, extent);
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expect(surface.selectAll('.midpoint').datum().loc).to.eql([100, 0]);
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});
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it('doesn\'t create midpoint on extent edge for segment with pixel length less than 20', function () {
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var a = iD.Node({loc: [81, 0]}),
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b = iD.Node({loc: [500, 0]}),
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line = iD.Way({nodes: [a.id, b.id]}),
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graph = iD.Graph([a, b, line]),
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extent = iD.geoExtent([0, 0], [100, 100]);
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selectedIDs = [line.id];
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context.selectedIDs = function() { return selectedIDs; };
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context.entity = function(id) { return graph.entity(id); };
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context.hasEntity = context.entity;
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surface.call(iD.svgMidpoints(projection, context), graph, [line], filter, extent);
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expect(surface.selectAll('.midpoint').nodes()).to.have.length(0);
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});
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});
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