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Add bbox unit tests

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Raul Ochoa 2016-06-01 19:05:46 +02:00
parent 55ee5b3b01
commit aaacad81e7
1 changed files with 129 additions and 0 deletions
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test/unit/cartodb/model/filter/bbox-filters.test.js Normal file
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require('../../../../support/test_helper');
var util = require('util');
var assert = require('../../../../support/assert');
var BboxFilter = require('../../../../../lib/cartodb/models/filter/bbox');
var MAX_EXTENT_MERCATOR_REF = [
-BboxFilter.LONGITUDE_MAX_VALUE,
-BboxFilter.LATITUDE_MAX_VALUE,
BboxFilter.LONGITUDE_MAX_VALUE,
BboxFilter.LATITUDE_MAX_VALUE
];
describe('Bounding box filter', function() {
describe('wrap longitude', function() {
var longitudesScenarios = [
[[0, 90], [0, 90]],
[[-90, 0], [-90, 0]],
[[-90, 90], [-90, 90]],
[[-990, -720], [90, 360]],
[[810, 1080], [90, 360]],
[[-180, 180], [-180, 180]]
];
longitudesScenarios.forEach(function(scenario) {
it(util.format('should adjust from %j to %j', scenario[0], scenario[1]), function() {
var we = BboxFilter.adjustLongitudeRange(scenario[0]);
assert.equal(
we[0], scenario[1][0],
util.format('west, got %d, expected %d, scenario: %s',
we[1], scenario[1][1], JSON.stringify(scenario)
)
);
assert.equal(
we[1], scenario[1][1],
util.format('east, got %d, expected %d, scenario: %s',
we[1], scenario[1][1], JSON.stringify(scenario)
)
);
});
});
});
function createFilter(bbox) {
return new BboxFilter({}, { bbox: bbox.join(',') });
}
function createRef(bbox) {
return bbox;
// return mercator.forward([bbox[0], bbox[1]]).concat(mercator.forward([bbox[2], bbox[3]]));
}
it('happy case', function() {
var bbox = [-90, -45, 90, 45];
var bboxFilter = createFilter(bbox);
assert.equal(bboxFilter.bboxes.length, 1);
assert.deepEqual(bboxFilter.bboxes[0], createRef(bbox));
});
describe('latitude', function() {
it('(hardcoded) clipping out of bounds', function() {
var bbox = [-180, -90, 180, 90];
var bboxFilter = createFilter(bbox);
assert.equal(bboxFilter.bboxes.length, 1);
assert.deepEqual(bboxFilter.bboxes[0], MAX_EXTENT_MERCATOR_REF);
});
it('clipping out of bounds', function() {
var bbox = [-180, -90, 180, 90];
var bboxFilter = createFilter(bbox);
assert.equal(bboxFilter.bboxes.length, 1);
assert.deepEqual(
bboxFilter.bboxes[0],
createRef([-180, -BboxFilter.LATITUDE_MAX_VALUE, 180, BboxFilter.LATITUDE_MAX_VALUE])
);
});
});
describe('longitude', function() {
it('generating multiple bbox for east out of bounds', function() {
var bbox = [90, -45, 360, 45];
var bboxFilter = createFilter(bbox);
assert.equal(bboxFilter.bboxes.length, 2, JSON.stringify([bboxFilter.bboxes, bbox]));
assert.deepEqual(
bboxFilter.bboxes[0],
createRef([90, -45, 180, 45])
);
assert.deepEqual(
bboxFilter.bboxes[1],
createRef([-180, -45, 0, 45])
);
});
it('generating multiple bbox for east out of bounds', function() {
var bbox = [-270, -45, 0, 45];
var bboxFilter = createFilter(bbox);
assert.equal(bboxFilter.bboxes.length, 2);
assert.deepEqual(
bboxFilter.bboxes[0],
createRef([90, -45, 180, 45])
);
assert.deepEqual(
bboxFilter.bboxes[1],
createRef([-180, -45, 0, 45])
);
});
});
describe('out of bounds', function() {
it('wraps longitude', function () {
var bbox = [-190, -45, 190, 45];
var bboxFilter = createFilter(bbox);
assert.equal(bboxFilter.bboxes.length, 1);
assert.deepEqual(
bboxFilter.bboxes[0],
createRef([-180, -45, 180, 45])
);
});
});
});