bzablocki commented on code in PR #27338: URL: https://github.com/apache/beam/pull/27338#discussion_r1266464237
########## sdks/python/apache_beam/yaml/yaml_transform_ut_test.py: ########## @@ -0,0 +1,301 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You under the Apache License, Version 2.0 +# (the "License"); you may not use this file except in compliance with +# the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +import logging +import unittest + +import yaml + +import apache_beam as beam +from apache_beam.yaml import yaml_provider +from apache_beam.yaml import yaml_transform +from apache_beam.yaml.yaml_transform import LightweightScope +from apache_beam.yaml.yaml_transform import SafeLineLoader +from apache_beam.yaml.yaml_transform import Scope +from apache_beam.yaml.yaml_transform import expand_composite_transform +from apache_beam.yaml.yaml_transform import expand_leaf_transform +from apache_beam.yaml.yaml_transform import pipeline_as_composite + + +class YamlTransformTest(unittest.TestCase): + def test_only_element(self): + self.assertEqual(yaml_transform.only_element((1, )), 1) + + +class SafeLineLoaderTest(unittest.TestCase): + def test_get_line(self): + pipeline_yaml = ''' + type: composite + input: + elements: input + transforms: + - type: PyMap + name: Square + input: elements + fn: "lambda x: x * x" + - type: PyMap + name: Cube + input: elements + fn: "lambda x: x * x * x" + output: + Flatten + ''' + spec = yaml.load(pipeline_yaml, Loader=SafeLineLoader) + self.assertEqual(SafeLineLoader.get_line(spec['type']), 2) + self.assertEqual(SafeLineLoader.get_line(spec['input']), 4) + self.assertEqual(SafeLineLoader.get_line(spec['transforms'][0]), 6) + self.assertEqual(SafeLineLoader.get_line(spec['transforms'][0]['type']), 6) + self.assertEqual(SafeLineLoader.get_line(spec['transforms'][0]['name']), 7) + self.assertEqual(SafeLineLoader.get_line(spec['transforms'][1]), 10) + self.assertEqual(SafeLineLoader.get_line(spec['output']), 15) + self.assertEqual(SafeLineLoader.get_line(spec['transforms']), "unknown") + + def test_strip_metadata(self): + spec_yaml = ''' + transforms: + - type: PyMap + name: Square + ''' + spec = yaml.load(spec_yaml, Loader=SafeLineLoader) + stripped = SafeLineLoader.strip_metadata(spec['transforms']) + + self.assertFalse(hasattr(stripped[0], '__line__')) + self.assertFalse(hasattr(stripped[0], '__uuid__')) + + def test_strip_metadata_nothing_to_strip(self): + spec_yaml = 'prop: 123' + spec = yaml.load(spec_yaml, Loader=SafeLineLoader) + stripped = SafeLineLoader.strip_metadata(spec['prop']) + + self.assertFalse(hasattr(stripped, '__line__')) + self.assertFalse(hasattr(stripped, '__uuid__')) + + +class LightweightScopeTest(unittest.TestCase): + @staticmethod + def get_spec(): + pipeline_yaml = ''' + - type: PyMap + name: Square + input: elements + fn: "lambda x: x * x" + - type: PyMap + name: PyMap + input: elements + fn: "lambda x: x * x * x" + - type: Filter + name: FilterOutBigNumbers + input: PyMap + keep: "lambda x: x<100" + ''' + return yaml.load(pipeline_yaml, Loader=SafeLineLoader) + + def test_init(self): + spec = self.get_spec() + scope = LightweightScope(spec) + self.assertEqual(len(scope._transforms_by_uuid), 3) + self.assertCountEqual( + list(scope._uuid_by_name.keys()), + ["PyMap", "Square", "Filter", "FilterOutBigNumbers"]) + + def test_get_transform_id_and_output_name(self): + spec = self.get_spec() + scope = LightweightScope(spec) + transform_id, output = scope.get_transform_id_and_output_name("Square") + self.assertEqual(transform_id, spec[0]['__uuid__']) + self.assertEqual(output, None) + + def test_get_transform_id_and_output_name_with_dot(self): + spec = self.get_spec() + scope = LightweightScope(spec) + transform_id, output = \ + scope.get_transform_id_and_output_name("Square.OutputName") + self.assertEqual(transform_id, spec[0]['__uuid__']) + self.assertEqual(output, "OutputName") + + def test_get_transform_id_by_uuid(self): + spec = self.get_spec() + scope = LightweightScope(spec) + transform_id = scope.get_transform_id(spec[0]['__uuid__']) + self.assertEqual(transform_id, spec[0]['__uuid__']) + + def test_get_transform_id_by_unique_name(self): + spec = self.get_spec() + scope = LightweightScope(spec) + transform_id = scope.get_transform_id("Square") + self.assertEqual(transform_id, spec[0]['__uuid__']) + + def test_get_transform_id_by_ambiguous_name(self): + spec = self.get_spec() + scope = LightweightScope(spec) + with self.assertRaisesRegex(ValueError, r'Ambiguous.*PyMap'): + scope.get_transform_id(scope.get_transform_id(spec[1]['name'])) + + def test_get_transform_id_by_unknown_name(self): + spec = self.get_spec() + scope = LightweightScope(spec) + with self.assertRaisesRegex(ValueError, r'Unknown.*NotExistingTransform'): + scope.get_transform_id("NotExistingTransform") + + +def new_pipeline(): + return beam.Pipeline( + options=beam.options.pipeline_options.PipelineOptions( + pickle_library='cloudpickle')) + + +class MainTest(unittest.TestCase): + def get_scope_by_spec(self, p, spec, inputs=None): + if inputs is None: + inputs = {} + spec = yaml.load(spec, Loader=SafeLineLoader) + + scope = Scope( + beam.pvalue.PBegin(p), + inputs, + spec['transforms'], + yaml_provider.standard_providers(), {}) + return scope, spec + + def test_expand_leaf_transform_with_input(self): + with new_pipeline() as p: + spec = ''' + transforms: + - type: Create + elements: [0] + - type: PyMap + input: Create + fn: "lambda x: x*x" + ''' + scope, spec = self.get_scope_by_spec(p, spec) + result = expand_leaf_transform(spec['transforms'][1], scope) Review Comment: ok, removing `test_expand_leaf_transform_with_input()` and `test_expand_leaf_transform_without_input()` -- This is an automated message from the Apache Git Service. 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