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from pathlib import Path
import pytest
import yaml
from pyfdb import FDB, ControlAction, ControlIdentifier
from pyfdb._internal import _ControlAction, _ControlIdentifier
from pyfdb.pyfdb_type import UserInputMapper
def test_control_action_values():
assert ControlAction.NONE.value == _ControlAction.NONE.value
assert ControlAction.DISABLE.value == _ControlAction.DISABLE.value
assert ControlAction.ENABLE.value == _ControlAction.ENABLE.value
def test_control_identifier_values():
assert _ControlIdentifier.NONE.value == ControlIdentifier.NONE.value
assert _ControlIdentifier.LIST.value == ControlIdentifier.LIST
assert _ControlIdentifier.RETRIEVE.value == ControlIdentifier.RETRIEVE
assert _ControlIdentifier.ARCHIVE.value == ControlIdentifier.ARCHIVE
assert _ControlIdentifier.WIPE.value == ControlIdentifier.WIPE
assert _ControlIdentifier.UNIQUEROOT.value == ControlIdentifier.UNIQUEROOT
def test_control_identifier_string():
assert str(ControlIdentifier.NONE) == "NONE"
assert str(ControlIdentifier.LIST) == "LIST"
assert str(ControlIdentifier.RETRIEVE) == "RETRIEVE"
assert str(ControlIdentifier.ARCHIVE) == "ARCHIVE"
assert str(ControlIdentifier.WIPE) == "WIPE"
assert str(ControlIdentifier.UNIQUEROOT) == "UNIQUEROOT"
assert str(ControlIdentifier.NONE | ControlIdentifier.LIST) == "LIST"
assert str(ControlIdentifier.LIST | ControlIdentifier.RETRIEVE) == "LIST|RETRIEVE"
assert str(ControlIdentifier.RETRIEVE | ControlIdentifier.NONE) == "RETRIEVE"
assert (
str(ControlIdentifier.RETRIEVE | ControlIdentifier.NONE | ControlIdentifier.LIST)
== "LIST|RETRIEVE"
)
def test_control_action_string():
assert str(ControlAction.NONE) == "NONE"
assert str(ControlAction.ENABLE) == "ENABLE"
assert str(ControlAction.DISABLE) == "DISABLE"
def test_control_lock_retrieve(read_only_fdb_setup, function_tmp):
fdb = FDB(read_only_fdb_setup)
print("Retrieve without lock")
data_handle = fdb.retrieve(
{
"type": "an",
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"levtype": "sfc",
"step": "0",
"param": "167/165/166",
"time": "1800",
}
)
assert data_handle
data_handle.open()
assert data_handle.read(4) == b"GRIB"
data_handle.close()
assert not (
function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "retrieve.lock"
).exists()
print("Locking database for retrieve")
selection = {
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"time": "1800",
}
control_iterator = fdb.control(
selection,
ControlAction.DISABLE,
[ControlIdentifier.RETRIEVE],
)
assert control_iterator
elements = []
for el in control_iterator:
print(el)
elements.append(el)
assert len(elements) == 1
assert (function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "retrieve.lock").exists()
print("Retrieve with lock")
# Needed because reuse of databases in the retrieve path is using a cached db
# object which contains the first (non-locked) status of the db.
# This can be removed as soon as https://jira.ecmwf.int/browse/FDB-613 is fixed.
fdb = FDB(read_only_fdb_setup)
data_handle = fdb.retrieve(
{
"type": "an",
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"levtype": "sfc",
"step": "0",
"param": "167/165/166",
"time": "1800",
},
)
assert data_handle
data_handle.open()
assert data_handle.read(4) == b""
data_handle.close()
def test_control_lock_list(read_only_fdb_setup, function_tmp):
fdb = FDB(read_only_fdb_setup)
selection = {
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"time": "1800",
}
print("List without lock")
list_iterator = fdb.list(selection)
elements = list(list_iterator)
assert len(elements) == 3
print("Locking database for listing")
control_iterator = fdb.control(selection, ControlAction.DISABLE, [ControlIdentifier.LIST])
assert control_iterator
elements = []
for el in control_iterator:
print(el)
elements.append(el)
assert len(elements) == 1
assert (function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "list.lock").exists()
print("List with lock. Expecting 0 elements.")
list_iterator = fdb.list(selection)
elements = list(list_iterator)
assert len(elements) == 0
print("Unlocking database for listing")
control_iterator = fdb.control(selection, ControlAction.ENABLE, [ControlIdentifier.LIST])
assert control_iterator
elements = list(control_iterator)
assert len(elements) > 0
# Correct behaviour is to "not see the data after locking"
assert not (function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "list.lock").exists()
list_iterator = fdb.list(selection)
elements = list(list_iterator)
assert len(elements) == 3
def test_control_lock_archive(read_only_fdb_setup, build_grib_messages, function_tmp):
fdb = FDB(read_only_fdb_setup)
selection = {
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"time": "1800",
}
print("Lock the database for archiving")
control_iterator = fdb.control(selection, ControlAction.DISABLE, [ControlIdentifier.ARCHIVE])
elements = []
for el in control_iterator:
print(el)
elements.append(el)
assert len(elements) == 1
assert (function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "archive.lock").exists()
print("Try archiving")
with pytest.raises(Exception, match=" matched for archived is LOCKED against archiving"):
fdb.archive(build_grib_messages.read_bytes())
fdb.flush()
print("Unlock the database for archiving")
control_iterator = fdb.control(selection, ControlAction.ENABLE, [ControlIdentifier.ARCHIVE])
assert control_iterator
elements = []
for el in control_iterator:
print(el)
elements.append(el)
assert len(elements) == 1
assert not (
function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "archive.lock"
).exists()
print("Try archiving")
fdb.archive(build_grib_messages.read_bytes())
fdb.flush()
print("Success")
def test_control_lock_archive_status(
read_only_fdb_setup, build_grib_messages, function_tmp, test_logger
):
fdb = FDB(read_only_fdb_setup)
selection = {
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"time": "1800",
}
test_logger.info("Lock the database for archiving")
control_iterator = fdb.control(selection, ControlAction.DISABLE, [ControlIdentifier.ARCHIVE])
assert control_iterator
elements = []
for el in control_iterator:
test_logger.debug(el)
elements.append(el)
assert len(elements) == 1
test_logger.debug("--------- OUTPUT STATUS -----------")
status_iterator = fdb.status(selection)
elements = list(status_iterator)
for el in elements:
test_logger.debug(el)
assert (function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "archive.lock").exists()
test_logger.info("Try archiving")
with pytest.raises(Exception, match=" matched for archived is LOCKED against archiving"):
fdb.archive(build_grib_messages.read_bytes())
fdb.flush()
test_logger.info("Unlock the database for archiving")
control_iterator = fdb.control(selection, ControlAction.ENABLE, [ControlIdentifier.ARCHIVE])
assert control_iterator
elements = []
for el in control_iterator:
test_logger.debug(el)
elements.append(el)
assert len(elements) == 1
assert not (
function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "archive.lock"
).exists()
test_logger.info("Try archiving")
fdb.archive(build_grib_messages.read_bytes())
fdb.flush()
test_logger.info("Success")
def test_control_lock_wipe(read_only_fdb_setup, function_tmp, build_grib_messages):
fdb = FDB(read_only_fdb_setup)
selection = {
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"time": "1800",
}
print("Archive same data as the FDB was setup with in the Fixture")
fdb.archive(build_grib_messages.read_bytes())
fdb.flush()
print("Lock the database for wiping")
control_iterator = fdb.control(selection, ControlAction.DISABLE, [ControlIdentifier.WIPE])
assert control_iterator
elements = []
for el in control_iterator:
print(el)
elements.append(el)
assert len(elements) == 1
assert (function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "wipe.lock").exists()
print("Try Wipe")
wipe_iterator = fdb.wipe(selection, doit=True)
elements = []
with pytest.raises(RuntimeError):
for el in wipe_iterator:
elements.append(el)
assert len(elements) == 0
print("Unlock the database for wiping")
control_iterator = fdb.control(selection, ControlAction.ENABLE, [ControlIdentifier.WIPE])
assert control_iterator
elements = []
for el in control_iterator:
print(el)
elements.append(el)
assert len(elements) > 0
assert not (function_tmp / "db_store" / "ea:0001:oper:20200101:1800:g" / "wipe.lock").exists()
print("Try Wipe")
fdb.wipe(selection, doit=True)
fdb.flush()
print("Success")
def test_enabled_per_default(read_only_fdb_setup):
fdb = FDB(read_only_fdb_setup)
assert fdb.enabled(ControlIdentifier.NONE) is True
assert fdb.enabled(ControlIdentifier.LIST) is True
assert fdb.enabled(ControlIdentifier.RETRIEVE) is True
assert fdb.enabled(ControlIdentifier.ARCHIVE) is True
assert fdb.enabled(ControlIdentifier.WIPE) is True
assert fdb.enabled(ControlIdentifier.UNIQUEROOT) is True
def test_disabled_writable(read_only_fdb_setup):
fdb_config_path = read_only_fdb_setup
assert fdb_config_path
fdb_config = yaml.safe_load(fdb_config_path.read_text())
fdb_config["writable"] = False
fdb = FDB(yaml.dump(fdb_config))
assert fdb.enabled(ControlIdentifier.NONE) is True
assert fdb.enabled(ControlIdentifier.LIST) is True
assert fdb.enabled(ControlIdentifier.RETRIEVE) is True
assert fdb.enabled(ControlIdentifier.ARCHIVE) is False
assert fdb.enabled(ControlIdentifier.WIPE) is False
assert fdb.enabled(ControlIdentifier.UNIQUEROOT) is True
def test_disabled_visitable(read_only_fdb_setup):
fdb_config = yaml.safe_load(read_only_fdb_setup.read_text())
fdb_config["visitable"] = False
fdb = FDB(yaml.dump(fdb_config))
assert fdb.enabled(ControlIdentifier.NONE) is True
assert fdb.enabled(ControlIdentifier.LIST) is False
assert fdb.enabled(ControlIdentifier.RETRIEVE) is False
assert fdb.enabled(ControlIdentifier.ARCHIVE) is True
assert fdb.enabled(ControlIdentifier.WIPE) is True
assert fdb.enabled(ControlIdentifier.UNIQUEROOT) is True
def test_disabled_visitable_writeable(read_only_fdb_setup):
fdb_config = yaml.safe_load(read_only_fdb_setup.read_text())
fdb_config["visitable"] = False
fdb_config["writable"] = False
fdb = FDB(yaml.dump(fdb_config))
assert fdb.enabled(ControlIdentifier.NONE) is True
assert fdb.enabled(ControlIdentifier.LIST) is False
assert fdb.enabled(ControlIdentifier.RETRIEVE) is False
assert fdb.enabled(ControlIdentifier.ARCHIVE) is False
assert fdb.enabled(ControlIdentifier.WIPE) is False
assert fdb.enabled(ControlIdentifier.UNIQUEROOT) is True
def test_needs_flush(empty_fdb_setup, test_data_path):
fdb = FDB(empty_fdb_setup)
filename: Path = test_data_path / "x138-300.grib"
fdb.archive(filename.read_bytes())
assert fdb.dirty() is True
fdb.flush()
assert fdb.dirty() is False
def test_control_element_key(read_only_fdb_setup):
fdb = FDB(read_only_fdb_setup)
selection = {
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"time": "1800",
}
print("List without lock")
list_iterator = fdb.list(selection)
elements = list(list_iterator)
assert len(elements) == 3
print("Locking database for listing")
control_iterator = fdb.control(selection, ControlAction.DISABLE, [ControlIdentifier.LIST])
assert control_iterator
elements = []
for el in control_iterator:
print(el)
elements.append(el.key())
assert len(elements) == 1
print(f"Element key: {elements[0]}")
print(f"Element key type: {type(elements[0])}")
assert elements[0] == UserInputMapper.map_selection_to_internal(selection)
def test_control_element_control_identifiers(read_only_fdb_setup):
fdb = FDB(read_only_fdb_setup)
selection = {
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"time": "1800",
}
print("List without lock")
list_iterator = fdb.list(selection)
elements = list(list_iterator)
assert len(elements) == 3
control_identifier_list = [
ControlIdentifier.LIST,
ControlIdentifier.RETRIEVE,
ControlIdentifier.ARCHIVE,
ControlIdentifier.WIPE,
ControlIdentifier.UNIQUEROOT,
]
print("Locking database for all control actions")
control_iterator = fdb.control(
selection, ControlAction.DISABLE, control_identifiers=control_identifier_list
)
assert control_iterator
elements = []
for el in control_iterator:
print(el)
elements.append(el.controlIdentifiers())
assert len(elements) == 1
assert len(elements[0]) == 5 # There should be 5 control identifiers for the first database
assert elements[0] == control_identifier_list
print(f"Element control identifiers: {elements[0]}")
print(f"Element control identifiers type: {type(elements[0])}")
print("Unlocking database for all control actions")
control_iterator = fdb.control(
selection, ControlAction.ENABLE, control_identifiers=control_identifier_list
)
assert control_iterator
elements = [el.controlIdentifiers() for el in control_iterator]
assert len(elements) == 1
assert len(elements[0]) == 0
print(f"Element control identifiers: {elements[0]}")
print(f"Element control identifiers type: {type(elements[0])}")
def test_status_element_eq_control_element(read_only_fdb_setup):
fdb = FDB(read_only_fdb_setup)
selection = {
"class": "ea",
"domain": "g",
"expver": "0001",
"stream": "oper",
"date": "20200101",
"time": "1800",
}
print("List without lock")
list_iterator = fdb.list(selection)
elements = list(list_iterator)
assert len(elements) == 3
control_identifier_list = [
ControlIdentifier.LIST,
ControlIdentifier.RETRIEVE,
ControlIdentifier.ARCHIVE,
ControlIdentifier.WIPE,
ControlIdentifier.UNIQUEROOT,
]
print("Locking all databases for all control actions")
# Control results for all databases
control_iterator = fdb.control(
{}, ControlAction.DISABLE, control_identifiers=control_identifier_list
)
assert control_iterator
control_elements = list(control_iterator)
# Status for all databases
status_iterator = fdb.status({})
assert status_iterator
status_elements = list(status_iterator)
assert control_elements == status_elements
for i in range(len(control_elements)):
print(f"Control Element: \n {control_elements[i]}")
print(f"Status Element: \n {status_elements[i]}")
# Check (cross-verify) that consecutive elements are different
for i in range(len(control_elements) - 1):
assert control_elements[i + 1] != status_elements[i]
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