def test_empty_preamble_has_id_and_version():
expected_result = """{
"id": "document",
"version": "1.0"
}"""
packet = Preamble()
assert str(packet) == expected_result
def _init_czml_(self):
"""
Only called at the initialization of the extractor
Builds packets.
"""
pckt = Preamble(
name="document_packet",
clock=IntervalValue(
start=self.start_epoch.value,
end=self.end_epoch.value,
value=Clock(currentTime=self.start_epoch.value, multiplier=60),
),
)
self.packets.append(pckt)