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Merge pull request #34 from sgaisser/source_handler_check
Added test with restricted filestore
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| from __future__ import annotations # Python 3.9 compatibility for | syntax | ||
|
|
||
| import copy | ||
| import shutil | ||
| import tempfile | ||
| from pathlib import Path | ||
| from unittest import TestCase | ||
| from unittest.mock import MagicMock | ||
|
|
||
| from spacepackets.cfdp import ( | ||
| ChecksumType, | ||
| ConditionCode, | ||
| CrcFlag, | ||
| Direction, | ||
| DirectiveType, | ||
| FinishedParams, | ||
| LargeFileFlag, | ||
| PduConfig, | ||
| SegmentationControl, | ||
| TransmissionMode, | ||
| ) | ||
| from spacepackets.cfdp.pdu import ( | ||
| AckPdu, | ||
| EofPdu, | ||
| FileDataPdu, | ||
| FinishedPdu, | ||
| MetadataPdu, | ||
| TransactionStatus, | ||
| ) | ||
| from spacepackets.seqcount import SeqCountProvider | ||
| from spacepackets.util import ByteFieldU16 | ||
|
|
||
| from cfdppy import ( | ||
| CfdpState, | ||
| IndicationCfg, | ||
| LocalEntityCfg, | ||
| PutRequest, | ||
| RemoteEntityCfg, | ||
| RemoteEntityCfgTable, | ||
| RestrictedFilestore, | ||
| ) | ||
| from cfdppy.handler import SourceHandler | ||
| from tests.cfdp_fault_handler_mock import FaultHandler | ||
| from tests.cfdp_user_mock import CfdpUser | ||
| from tests.common import CheckTimerProviderForTest | ||
|
|
||
|
|
||
| class TestSrcHandlerRestrictedFileStore(TestCase): | ||
| def setUp(self): | ||
| super().setUp() | ||
| self.temp_dir = Path(tempfile.mkdtemp()) | ||
| self.closure_requested = False | ||
| self.indication_cfg = IndicationCfg(True, True, True, True, True, True) | ||
| self.fault_handler = MagicMock() | ||
| self.fault_handler.mock_add_spec(spec=FaultHandler, spec_set=True) | ||
| self.local_cfg = LocalEntityCfg(ByteFieldU16(1), self.indication_cfg, self.fault_handler) | ||
| self.cfdp_user = CfdpUser(vfs=RestrictedFilestore(self.temp_dir)) | ||
| self.seq_num_provider = SeqCountProvider(bit_width=8) | ||
| self.expected_seq_num = 0 | ||
| self.source_id = ByteFieldU16(1) | ||
| self.dest_id = ByteFieldU16(2) | ||
| self.alternative_dest_id = ByteFieldU16(3) | ||
| self.file_segment_len = 64 | ||
| self.max_packet_len = 256 | ||
| self.positive_ack_intvl_seconds = 0.02 | ||
| self.default_remote_cfg = RemoteEntityCfg( | ||
| entity_id=self.dest_id, | ||
| max_packet_len=self.max_packet_len, | ||
| max_file_segment_len=self.file_segment_len, | ||
| closure_requested=self.closure_requested, | ||
| crc_on_transmission=False, | ||
| default_transmission_mode=TransmissionMode.ACKNOWLEDGED, | ||
| positive_ack_timer_interval_seconds=self.positive_ack_intvl_seconds, | ||
| positive_ack_timer_expiration_limit=2, | ||
| crc_type=ChecksumType.CRC_32, | ||
| check_limit=2, | ||
| ) | ||
| self.alternative_remote_cfg = copy.copy(self.default_remote_cfg) | ||
| self.alternative_remote_cfg.entity_id = self.alternative_dest_id | ||
| self.remote_cfg_table = RemoteEntityCfgTable() | ||
| self.remote_cfg_table.add_config(self.default_remote_cfg) | ||
| self.remote_cfg_table.add_config(self.alternative_remote_cfg) | ||
| # Create an empty file and send it via CFDP | ||
| self.source_handler = SourceHandler( | ||
| cfg=self.local_cfg, | ||
| user=self.cfdp_user, | ||
| remote_cfg_table=self.remote_cfg_table, | ||
| seq_num_provider=self.seq_num_provider, | ||
| check_timer_provider=CheckTimerProviderForTest(), | ||
| ) | ||
|
|
||
| def tearDown(self): | ||
| shutil.rmtree(self.temp_dir) | ||
|
|
||
| def test_src_handler_restricted(self): | ||
| file_content = "Hello, World!" | ||
| with open(self.temp_dir.joinpath("hello.txt"), "w") as f: | ||
| f.write(file_content) | ||
| source_path = Path("hello.txt") | ||
| dest_path = Path("hello_copy.txt") | ||
| self.seq_num_provider.get_and_increment = MagicMock(return_value=self.expected_seq_num) | ||
| self.source_handler.entity_id = self.source_id | ||
| put_req = PutRequest( | ||
| destination_id=self.dest_id, | ||
| source_file=source_path, | ||
| dest_file=dest_path, | ||
| # Let the transmission mode be auto-determined by the remote MIB | ||
| trans_mode=TransmissionMode.ACKNOWLEDGED, | ||
| closure_requested=True, | ||
| ) | ||
| self.source_handler.put_request(put_req) | ||
|
|
||
| fsm = self.source_handler.state_machine() | ||
| self.assertTrue(fsm.states.packets_ready) | ||
| self.assertEqual(fsm.states.num_packets_ready, 1) | ||
| next_pdu = self.source_handler.get_next_packet() | ||
| self.assertIsInstance(next_pdu.base, MetadataPdu) | ||
| fsm = self.source_handler.state_machine() | ||
| self.assertTrue(fsm.states.packets_ready) | ||
| file_data = self.source_handler.get_next_packet() | ||
| self.assertIsInstance(file_data.base, FileDataPdu) | ||
| fsm = self.source_handler.state_machine() | ||
| self.assertTrue(fsm.states.packets_ready) | ||
| eof_data = self.source_handler.get_next_packet() | ||
| self.assertIsInstance(eof_data.base, EofPdu) | ||
| # Send ACK | ||
| pdu_conf = PduConfig( | ||
| direction=Direction.TOWARDS_SENDER, | ||
| transaction_seq_num=eof_data.base.transaction_seq_num, | ||
| source_entity_id=self.source_id, | ||
| dest_entity_id=self.dest_id, | ||
| trans_mode=TransmissionMode.ACKNOWLEDGED, | ||
| file_flag=LargeFileFlag.NORMAL, | ||
| crc_flag=CrcFlag.NO_CRC, | ||
| seg_ctrl=SegmentationControl.NO_RECORD_BOUNDARIES_PRESERVATION, | ||
| ) | ||
| eof_ack = AckPdu( | ||
| pdu_conf=pdu_conf, | ||
| directive_code_of_acked_pdu=DirectiveType.EOF_PDU, | ||
| condition_code_of_acked_pdu=ConditionCode.NO_ERROR, | ||
| transaction_status=TransactionStatus.ACTIVE, | ||
| ) | ||
| fsm = self.source_handler.state_machine(packet=eof_ack) | ||
| self.assertFalse(fsm.states.packets_ready) | ||
|
|
||
| finished = FinishedPdu(pdu_conf=pdu_conf, params=FinishedParams.success_params()) | ||
| fsm = self.source_handler.state_machine(packet=finished) | ||
| self.assertTrue(fsm.states.packets_ready) | ||
| finished_ack = self.source_handler.get_next_packet() | ||
| self.assertIsInstance(finished_ack.base, AckPdu) | ||
| fsm = self.source_handler.state_machine() | ||
| self.assertEqual(fsm.states.state, CfdpState.IDLE) |