def test_read_with_label_applied(data_table, rows_to_delete, skip_on_emulator):
from google.cloud.bigtable.row_filters import ApplyLabelFilter
from google.cloud.bigtable.row_filters import ColumnQualifierRegexFilter
from google.cloud.bigtable.row_filters import RowFilterChain
from google.cloud.bigtable.row_filters import RowFilterUnion
row = data_table.direct_row(ROW_KEY)
rows_to_delete.append(row)
cell1, _, cell3, _ = _write_to_row(row, None, row, None)
row.commit()
# Combine a label with column 1.
label1 = "label-red"
label1_filter = ApplyLabelFilter(label1)
col1_filter = ColumnQualifierRegexFilter(COL_NAME1)
chain1 = RowFilterChain(filters=[col1_filter, label1_filter])
# Combine a label with column 2.
label2 = "label-blue"
label2_filter = ApplyLabelFilter(label2)
col2_filter = ColumnQualifierRegexFilter(COL_NAME2)
chain2 = RowFilterChain(filters=[col2_filter, label2_filter])
# Bring our two labeled columns together.
row_filter = RowFilterUnion(filters=[chain1, chain2])
partial_row_data = data_table.read_row(ROW_KEY, filter_=row_filter)
assert partial_row_data.row_key == ROW_KEY
cells_returned = partial_row_data.cells
col_fam1 = cells_returned.pop(COLUMN_FAMILY_ID1)
# Make sure COLUMN_FAMILY_ID1 was the only key.
assert len(cells_returned) == 0
(cell1_new, ) = col_fam1.pop(COL_NAME1)
(cell3_new, ) = col_fam1.pop(COL_NAME2)
# Make sure COL_NAME1 and COL_NAME2 were the only keys.
assert len(col_fam1) == 0
# Check that cell1 has matching values and gained a label.
assert cell1_new.value == cell1.value
assert cell1_new.timestamp == cell1.timestamp
assert cell1.labels == []
assert cell1_new.labels == [label1]
# Check that cell3 has matching values and gained a label.
assert cell3_new.value == cell3.value
assert cell3_new.timestamp == cell3.timestamp
assert cell3.labels == []
assert cell3_new.labels == [label2]
def test_read_with_label_applied(self):
self._maybe_emulator_skip("Labels not supported by Bigtable emulator")
row = self._table.row(ROW_KEY)
self.rows_to_delete.append(row)
cell1, _, cell3, _ = self._write_to_row(row, None, row)
row.commit()
# Combine a label with column 1.
label1 = u"label-red"
label1_filter = ApplyLabelFilter(label1)
col1_filter = ColumnQualifierRegexFilter(COL_NAME1)
chain1 = RowFilterChain(filters=[col1_filter, label1_filter])
# Combine a label with column 2.
label2 = u"label-blue"
label2_filter = ApplyLabelFilter(label2)
col2_filter = ColumnQualifierRegexFilter(COL_NAME2)
chain2 = RowFilterChain(filters=[col2_filter, label2_filter])
# Bring our two labeled columns together.
row_filter = RowFilterUnion(filters=[chain1, chain2])
partial_row_data = self._table.read_row(ROW_KEY, filter_=row_filter)
self.assertEqual(partial_row_data.row_key, ROW_KEY)
cells_returned = partial_row_data.cells
col_fam1 = cells_returned.pop(COLUMN_FAMILY_ID1)
# Make sure COLUMN_FAMILY_ID1 was the only key.
self.assertEqual(len(cells_returned), 0)
cell1_new, = col_fam1.pop(COL_NAME1)
cell3_new, = col_fam1.pop(COL_NAME2)
# Make sure COL_NAME1 and COL_NAME2 were the only keys.
self.assertEqual(len(col_fam1), 0)
# Check that cell1 has matching values and gained a label.
self.assertEqual(cell1_new.value, cell1.value)
self.assertEqual(cell1_new.timestamp, cell1.timestamp)
self.assertEqual(cell1.labels, [])
self.assertEqual(cell1_new.labels, [label1])
# Check that cell3 has matching values and gained a label.
self.assertEqual(cell3_new.value, cell3.value)
self.assertEqual(cell3_new.timestamp, cell3.timestamp)
self.assertEqual(cell3.labels, [])
self.assertEqual(cell3_new.labels, [label2])
