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Some mvt tests. #5149

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merged 2 commits into from Jul 17, 2018
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@@ -115,6 +115,7 @@
<script src='spec/svg/layers.js'></script>
<script src='spec/svg/lines.js'></script>
<script src='spec/svg/midpoints.js'></script>
<script src='spec/svg/mvt.js'></script>
<script src='spec/svg/osm.js'></script>
<script src='spec/svg/points.js'></script>
<script src='spec/svg/svg.js'></script>
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@@ -0,0 +1,97 @@
describe('iD.svgMvt', function () {
var context;
var surface;
var dispatch = d3.dispatch('change');
var projection = iD.geoRawMercator()
.translate([6934098.868981334, 4092682.5519805425])
.scale(iD.geoZoomToScale(17))
.clipExtent([[0, 0], [1000, 1000]]);
var gj = {
'type': 'FeatureCollection',
'features': [
{
'type': 'Feature',
'id': 316973311,
'geometry': {
'type': 'Point',
'coordinates': [
-74.38928604125977,
40.150275473401365
]
},
'properties': {
'abbr': 'N.J.',
'area': 19717.8,
'name': 'New Jersey',
'name_en': 'New Jersey',
'osm_id': 316973311
}
}
]
};
beforeEach(function () {
context = iD.coreContext();
d3.select(document.createElement('div'))
.attr('id', 'map')
.call(context.map().centerZoom([-74.389286, 40.1502754], 17));
surface = context.surface();
});
it('creates layer-mvt', function () {
var render = iD.svgMvt(projection, context, dispatch);
surface.call(render);
var layers = surface.selectAll('g.layer-mvt').nodes();
expect(layers.length).to.eql(1);
});
it('draws geojson', function () {
var render = iD.svgMvt(projection, context, dispatch).geojson(gj);
surface.call(render);
var path = surface.selectAll('path.mvt');
expect(path.nodes().length).to.eql(1);
expect(path.attr('d')).to.match(/^M.*z$/);
});
describe('#url', function() {
it('handles pbf url', function () {
var url = '../../data/mvttest.pbf';
var render = iD.svgMvt(projection, context, dispatch).url(url);
surface.call(render);
var path = surface.selectAll('path.mvt');
expect(path.nodes().length).to.eql(1);
expect(path.attr('d')).to.match(/^M.*z$/);
});
});
describe('#showLabels', function() {
it('shows labels by default', function () {
var render = iD.svgMvt(projection, context, dispatch).geojson(gj);
surface.call(render);
var label = surface.selectAll('text.mvtlabel');
expect(label.nodes().length).to.eql(1);
expect(label.text()).to.eql('New Jersey');
var halo = surface.selectAll('text.mvtlabel-halo');
expect(halo.nodes().length).to.eql(1);
expect(halo.text()).to.eql('New Jersey');
});
it('hides labels with showLabels(false)', function () {
var render = iD.svgMvt(projection, context, dispatch).geojson(gj).showLabels(false);
surface.call(render);
expect(surface.selectAll('text.mvtlabel').empty()).to.be.ok;
expect(surface.selectAll('text.mvtlabel-halo').empty()).to.be.ok;
});
});
});
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