def delete_entity(self):
from azure.data.tables import TableClient
from azure.core.exceptions import ResourceNotFoundError
from azure.core import MatchConditions
table_client = TableClient(account_url=self.account_url, credential=self.access_key, table_name=self.table_name)
# Create entity to delete (to showcase etag)
entity_created = table_client.create_entity(entity=self.entity)
# show without calling metadata, cannot access etag
try:
entity_created.etag
except AttributeError:
print("Need to get metadata of entity")
# In order to access etag as a part of the entity, need to call metadata on the entity
metadata = entity_created.metadata()
# Can now get etag
etag = metadata['etag']
try:
# will delete if match_condition and etag are satisfied
table_client.delete_entity(entity=self.entity, etag=etag, match_condition=MatchConditions.IfNotModified)
except ResourceNotFoundError:
print("EntityDoesNotExists")
def test_table_name_errors_bad_chars(self, tables_cosmos_account_name,
tables_primary_cosmos_account_key):
endpoint = self.account_url(tables_cosmos_account_name, "cosmos")
# cosmos table names must be a non-empty string without chars '\', '/', '#', '?', and less than 255 chars.
invalid_table_names = ["\\", "//", "#", "?", "- "]
for invalid_name in invalid_table_names:
client = TableClient(endpoint=endpoint,
credential=tables_primary_cosmos_account_key,
table_name=invalid_name)
with pytest.raises(ValueError) as error:
client.create_table()
assert "Cosmos table names must contain from 1-255 characters" in str(
error.value)
try:
with pytest.raises(ValueError) as error:
client.delete_table()
assert "Cosmos table names must contain from 1-255 characters" in str(
error.value)
except HttpResponseError as error:
# Delete table returns a MethodNotAllowed for tablename == "\"
if error.error_code != 'MethodNotAllowed':
raise
with pytest.raises(ValueError) as error:
client.create_entity({'PartitionKey': 'foo', 'RowKey': 'foo'})
assert "Cosmos table names must contain from 1-255 characters" in str(
error.value)
with pytest.raises(ValueError) as error:
client.upsert_entity({'PartitionKey': 'foo', 'RowKey': 'foo'})
assert "Cosmos table names must contain from 1-255 characters" in str(
error.value)
with pytest.raises(ValueError) as error:
client.delete_entity("PK", "RK")
assert "Cosmos table names must contain from 1-255 characters" in str(
error.value)
with pytest.raises(ValueError) as error:
batch = []
batch.append(('upsert', {'PartitionKey': 'A', 'RowKey': 'B'}))
client.submit_transaction(batch)
assert "Cosmos table names must contain from 1-255 characters" in str(
error.value)
def delete_entity(self):
from azure.data.tables import TableClient
from azure.core.exceptions import ResourceNotFoundError, ResourceExistsError
from azure.core import MatchConditions
table_client = TableClient(account_url=self.account_url,
credential=self.access_key,
table_name=self.table_name)
# Create entity to delete (to showcase etag)
try:
resp = table_client.create_entity(entity=self.entity)
except ResourceExistsError:
print("Entity already exists!")
# [START delete_entity]
try:
table_client.delete_entity(
row_key=self.entity["RowKey"],
partition_key=self.entity["PartitionKey"])
print("Successfully deleted!")
except ResourceNotFoundError:
print("Entity does not exists")
def test_table_name_errors(self, tables_storage_account_name,
tables_primary_storage_account_key):
endpoint = self.account_url(tables_storage_account_name, "table")
# storage table names must be alphanumeric, cannot begin with a number, and must be between 3 and 63 chars long.
invalid_table_names = ["1table", "a" * 2, "a" * 64, "a//", "my_table"]
for invalid_name in invalid_table_names:
client = TableClient(endpoint=endpoint,
credential=tables_primary_storage_account_key,
table_name=invalid_name)
with pytest.raises(ValueError) as error:
client.create_table()
assert 'Storage table names must be alphanumeric' in str(
error.value)
with pytest.raises(ValueError) as error:
client.create_entity({'PartitionKey': 'foo', 'RowKey': 'bar'})
assert 'Storage table names must be alphanumeric' in str(
error.value)
with pytest.raises(ValueError) as error:
client.upsert_entity({'PartitionKey': 'foo', 'RowKey': 'foo'})
assert 'Storage table names must be alphanumeric' in str(
error.value)
with pytest.raises(ValueError) as error:
client.delete_entity("PK", "RK")
assert 'Storage table names must be alphanumeric' in str(
error.value)
with pytest.raises(ValueError) as error:
client.get_table_access_policy()
assert 'Storage table names must be alphanumeric' in str(
error.value)
with pytest.raises(ValueError):
batch = []
batch.append(('upsert', {'PartitionKey': 'A', 'RowKey': 'B'}))
client.submit_transaction(batch)
assert 'Storage table names must be alphanumeric' in str(
error.value)
def delete_entity(client: TableClient, row_key: str, partition_key: str):
try:
client.delete_entity(row_key=row_key, partition_key=partition_key)
except ResourceNotFoundError:
raise EntityNotFoundError()