d3/test/geo/path-test.js

require("../env");

var vows = require("vows"),
    assert = require("assert");

var suite = vows.describe("d3.geo.path");

suite.addBatch({
  "path": {
    topic: d3.geo.path,
    "returns null when passed a null object": function(path) {
      assert.isNull(path(null));
    },
    "projection": {
      "returns the current projection when called with no arguments": function() {
        var path = d3.geo.path(), projection = d3.geo.albers();
        path.projection(projection);
        assert.strictEqual(path.projection(), projection);
      }
    },
    "pointRadius": {
      "returns the current point radius when called with no arguments": function() {
        var path = d3.geo.path(), radius = function() { return 5; };
        assert.strictEqual(path.pointRadius(), 4.5);
        assert.strictEqual(path.pointRadius(radius).pointRadius(), radius);
      }
    },
    "Polygon": function(path) {
      assert.equal(path({
        type: "Feature",
        geometry: {
          type: "Polygon",
          coordinates: [[[-63.03, 18.02], [-63.14, 18.06], [-63.01, 18.07], [-63.03, 18.02]]]
        },
      }), "M984.5652086349427,468.99159422596244L981.8396467935554,467.9114977057422L985.0785139575695,467.688661596079Z");
    },
    "bogus type name": function(path) {
      assert.isNull(path({
        type: "Feature",
        geometry: {
          type: "__proto__",
          coordinates: [[[-63.03, 18.02], [-63.14, 18.06], [-63.01, 18.07], [-63.03, 18.02]]]
        },
      }));
    }
  }
});

suite.export(module);