def test_point():
pt = SlfPoint(2, 1)
expected = {'type': 'Point', 'coordinates': [1, 2]}
json_str = encode(pt)
assert json_str is not None
assert expected == json.loads(json_str)
def test_line():
points = [SlfPoint(1, 2), SlfPoint(3, 4)]
line = SlfLine(points)
expected = {'type': 'LineString', 'coordinates': [[2, 1], [4, 3]]}
json_str = encode(line)
assert json_str is not None
assert expected == json.loads(json_str)
def test_polygon():
points = [SlfPoint(1, 2), SlfPoint(3, 4), SlfPoint(0, -1), SlfPoint(1, 2)]
polygon = SlfPolygon(points)
expected = {
'type': 'Polygon',
'coordinates': [[2, 1], [4, 3], [-1, 0], [2, 1]]
}
json_str = encode(polygon)
assert json_str is not None
assert expected == json.loads(json_str)
def test_box():
brc = SlfPoint(0, 1)
tlc = SlfPoint(1, 0)
box = SlfBox([brc, tlc])
expected = {
'type': 'Polygon',
'coordinates': [[0, 1], [1, 1], [1, 0], [0, 0], [0, 1]]
}
json_str = encode(box)
assert json_str is not None
assert expected == json.loads(json_str)
def test_point():
pt = SlfPoint(2, 1)
geoj_pt = {
'type': 'Point',
'coordinates': [1, 2]
}
json_str = encode(pt)
assert json_str is not None
assert json.loads(json_str) == geoj_pt
decoded_pt = decode(geoj_pt, SlfPoint.ngsi_type())
assert isinstance(decoded_pt, SlfPoint)
assert decoded_pt.to_ngsi_attribute() == pt.to_ngsi_attribute()
def test_line():
points = [SlfPoint(1, 2), SlfPoint(3, 4)]
line = SlfLine(points)
geoj_line = {
'type': 'LineString',
'coordinates': [[2, 1], [4, 3]]
}
json_str = encode(line)
assert json_str is not None
assert json.loads(json_str) == geoj_line
decoded_line = decode(geoj_line, SlfLine.ngsi_type())
assert isinstance(decoded_line, SlfLine)
expected_line = SlfLine(points) # encode consumed pts stream, need new obj
assert decoded_line.to_ngsi_attribute() == expected_line.to_ngsi_attribute()
def test_box():
brc = SlfPoint(0, 1)
tlc = SlfPoint(1, 0)
box = SlfBox([brc, tlc])
geoj_polygon = {
'type': 'Polygon',
'coordinates': [[[0, 1], [1, 1], [1, 0], [0, 0], [0, 1]]]
}
json_str = encode(box)
assert json_str is not None
assert json.loads(json_str) == geoj_polygon
decoded_box = decode(geoj_polygon, SlfBox.ngsi_type())
assert isinstance(decoded_box, SlfBox)
# encode consumed pts stream, need new SLF box
expected_box = SlfBox([brc, tlc])
assert decoded_box.to_ngsi_attribute() == expected_box.to_ngsi_attribute()
def test_polygon():
points = [SlfPoint(1, 2), SlfPoint(3, 4), SlfPoint(0, -1), SlfPoint(1, 2)]
polygon = SlfPolygon(points)
geoj_polygon = {
'type': 'Polygon',
'coordinates': [[[2, 1], [4, 3], [-1, 0], [2, 1]]]
}
json_str = encode(polygon)
assert json_str is not None
assert json.loads(json_str) == geoj_polygon
decoded_polygon = decode(geoj_polygon, SlfPolygon.ngsi_type())
assert isinstance(decoded_polygon, SlfPolygon)
# encode consumed pts stream, need new SLF polygon
expected_polygon = SlfPolygon(points)
assert decoded_polygon.to_ngsi_attribute() == \
expected_polygon.to_ngsi_attribute()
def test_encode_none_yields_none():
assert encode(None) is None
def test_unknown_geom_yields_none():
class UnknownGeom(SlfGeometry):
pass
assert encode(UnknownGeom()) is None
