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var tape = require('tape'),
d3VoronoiMapInitialPositionRandom = require('../build/initial-position-policies/random'),
d3VoronoiMap = require('../build/d3-voronoi-map');
tape('initial-position-policies/pie()(...) default test', function(test) {
const initialPositionRandom = d3VoronoiMapInitialPositionRandom(),
data = [
{
weight: 1
}
],
voronoiMapSimulation = d3VoronoiMap.voronoiMapSimulation(data).stop(),
initCoords = initialPositionRandom(data[0], 0, data, voronoiMapSimulation);
test.ok(initCoords[0] > 0);
test.ok(initCoords[0] < 1);
test.ok(initCoords[1] > 0);
test.ok(initCoords[1] < 1);
test.end();
});
tape('initial-position-policies/pie(...) and clipping polygon', function(test) {
test.test('initial-position-policies/pie(...) should depends on clipping polygon', function(test) {
const initialPositionRandom = d3VoronoiMapInitialPositionRandom(),
data = [
{
weight: 1
}
],
voronoiMapSimulation = d3VoronoiMap
.voronoiMapSimulation(data)
.extent([[1, 1], [2, 2]])
.stop(),
initCoords = initialPositionRandom(data[0], 0, data, voronoiMapSimulation);
test.ok(initCoords[0] > 1);
test.ok(initCoords[0] < 2);
test.ok(initCoords[1] > 1);
test.ok(initCoords[1] < 2);
test.end();
});
test.test('initial-position-policies/randomPolicy()(...) should handle clipping polygon updates', function(test) {
const initialPositionRandom = d3VoronoiMapInitialPositionRandom(),
data = [
{
weight: 1
}
],
voronoiMapSimulation = d3VoronoiMap
.voronoiMapSimulation(data)
.extent([[1, 1], [2, 2]])
.stop();
let initCoords = initialPositionRandom(data[0], 0, data, voronoiMapSimulation);
test.ok(initCoords[0] > 1);
test.ok(initCoords[0] < 2);
test.ok(initCoords[1] > 1);
test.ok(initCoords[1] < 2);
voronoiMapSimulation.extent([[2, 2], [3, 3]]);
initCoords = initialPositionRandom(data[0], 0, data, voronoiMapSimulation);
test.ok(initCoords[0] > 2);
test.ok(initCoords[0] < 3);
test.ok(initCoords[1] > 2);
test.ok(initCoords[1] < 3);
test.end();
});
});
tape('initial-position-policies/randomPolicy()(...) should use expected prng', function(test) {
const myprng = function() {
// not a prng, but do the trick for the test!
return 0.5;
};
const initialPositionRandom = d3VoronoiMapInitialPositionRandom(),
data = [
{
weight: 1
}
],
voronoiMapSimulation = d3VoronoiMap
.voronoiMapSimulation(data)
.prng(myprng)
.stop(),
initCoords = initialPositionRandom(data[0], 0, data, voronoiMapSimulation);
test.equal(initCoords[0], 0.5);
test.equal(initCoords[1], 0.5);
test.end();
});