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* pydantic v2 * pydanticv2 * fix parser * fix annotated * fix model dumping * mysql ingestion * clean root models * clean root models * bump airflow * bump airflow * bump airflow * optionals * optionals * optionals * jdk * airflow migrate * fab provider * fab provider * fab provider * some more fixes * fixing tests and imports * model_dump and model_validate * model_dump and model_validate * model_dump and model_validate * union * pylint * pylint * integration tests * fix CostAnalysisReportData * integration tests * tests * missing defaults * missing defaults
282 lines
8.8 KiB
Python
282 lines
8.8 KiB
Python
# Copyright 2021 Collate
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Test the lkml parser
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"""
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from pathlib import Path
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from unittest import TestCase
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from looker_sdk.sdk.api40.models import (
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LookmlModelExplore,
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LookmlModelExploreField,
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LookmlModelExploreFieldset,
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)
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from metadata.generated.schema.entity.data.table import Column, ColumnName, DataType
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from metadata.ingestion.source.dashboard.looker.columns import get_columns_from_model
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from metadata.ingestion.source.dashboard.looker.links import get_path_from_link
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from metadata.ingestion.source.dashboard.looker.parser import (
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Includes,
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LkmlParser,
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ViewName,
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)
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from metadata.readers.file.local import LocalReader
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BASE_PATH = Path(__file__).parent.parent.parent / "resources/lkml"
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class TestLkmlParser(TestCase):
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"""
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Check the parser with the local reader
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"""
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def test_local_parser_with_birds(self):
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"""
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Birds view is declared in the explore file.
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Nothing else to parse, so no visited files
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"""
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reader = LocalReader(BASE_PATH)
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parser = LkmlParser(reader)
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view = parser.find_view(
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view_name=ViewName("birds"), path=Includes("cats.explore.lkml")
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)
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self.assertIsNotNone(view)
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self.assertEqual(view.name, "birds")
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self.assertEqual(parser.get_view_from_cache(ViewName("birds")).name, "birds")
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self.assertEqual(
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parser._visited_files,
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{
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"cats.explore.lkml": ["views/cats.view.lkml", "views/dogs.view.lkml"],
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},
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)
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def test_local_parser_with_cats(self):
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"""
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Cats view is in a separate view file which we need to visit.
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We go there before jumping into the dogs, and stop.
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"""
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reader = LocalReader(BASE_PATH)
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parser = LkmlParser(reader)
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view = parser.find_view(
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view_name=ViewName("cats"), path=Includes("cats.explore.lkml")
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)
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self.assertIsNotNone(view)
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self.assertEqual(view.name, "cats")
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self.assertEqual(parser.get_view_from_cache(ViewName("cats")).name, "cats")
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self.assertEqual(
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parser._visited_files,
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{
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"cats.explore.lkml": ["views/cats.view.lkml", "views/dogs.view.lkml"],
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"views/cats.view.lkml": [],
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},
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)
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def test_local_parser_with_dogs(self):
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"""
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Dogs view is in a separate view file which we need to visit.
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We go after visiting the cats, so we need to parse both
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"""
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reader = LocalReader(BASE_PATH)
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parser = LkmlParser(reader)
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view = parser.find_view(
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view_name=ViewName("dogs"), path=Includes("cats.explore.lkml")
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)
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self.assertIsNotNone(view)
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self.assertEqual(view.name, "dogs")
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self.assertEqual(parser.get_view_from_cache(ViewName("dogs")).name, "dogs")
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self.assertEqual(
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parser._visited_files,
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{
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"cats.explore.lkml": ["views/cats.view.lkml", "views/dogs.view.lkml"],
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"views/cats.view.lkml": [],
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"views/dogs.view.lkml": [],
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},
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)
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# Now I can directly get the cats view from the cache as well
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# as I already visited that file
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self.assertEqual(parser.get_view_from_cache(ViewName("cats")).name, "cats")
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def test_local_parser_with_kittens(self):
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"""
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We will now parse the kittens explore looking for the cats view.
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This requires two jumps: Kittens explore -> Kittens View -> Cats View
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"""
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reader = LocalReader(BASE_PATH)
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parser = LkmlParser(reader)
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view = parser.find_view(
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view_name=ViewName("cats"), path=Includes("kittens.explore.lkml")
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)
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self.assertIsNotNone(view)
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self.assertEqual(view.name, "cats")
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self.assertEqual(parser.get_view_from_cache(ViewName("cats")).name, "cats")
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self.assertEqual(
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parser._visited_files,
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{
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"kittens.explore.lkml": [
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"views/kittens.view.lkml",
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"views/dogs.view.lkml",
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],
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"views/kittens.view.lkml": ["views/cats.view.lkml"],
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"views/cats.view.lkml": [],
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},
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)
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def test_recursive_explore(self):
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"""
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We should stop the execution
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"""
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reader = LocalReader(BASE_PATH)
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parser = LkmlParser(reader)
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view = parser.find_view(
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view_name=ViewName("recursive_call"),
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path=Includes("recursive.explore.lkml"),
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)
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self.assertIsNotNone(view)
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view = parser.find_view(
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view_name=ViewName("recursive"), path=Includes("recursive.explore.lkml")
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)
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self.assertIsNotNone(view)
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def test_get_path_from_link(self):
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"""
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Validate utility
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"""
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simple_link = "/projects/my_project/files/hello.explore.lkml"
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self.assertEqual(get_path_from_link(simple_link), "hello.explore.lkml")
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link = "/projects/my_project/files/hello%2Fexplores%2Fmy_explore.explore.lkml?line=13"
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self.assertEqual(
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get_path_from_link(link), "hello/explores/my_explore.explore.lkml"
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)
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link_no_files = "hello%2Fexplores%2Fmy_explore.explore.lkml?line=13"
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self.assertEqual(
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get_path_from_link(link_no_files), "hello/explores/my_explore.explore.lkml"
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)
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def test_expand(self):
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"""
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We can expand a single Path. We are looking for "*/cats.view", which will
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match a file in the resources directory "cats.view.lkml"
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"""
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path = Includes("*/cats.view")
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reader = LocalReader(BASE_PATH)
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parser = LkmlParser(reader)
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self.assertIn("cats.view.lkml", parser._expand(path)[0])
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def test_explore_col_parser(self):
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"""
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We can parse a looker explore
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"""
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explore = LookmlModelExplore(
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name="test-explore",
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fields=LookmlModelExploreFieldset(
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dimensions=[
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LookmlModelExploreField(
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name="dim1",
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label="Dim 1 Label",
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type="yesno",
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description=None,
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),
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LookmlModelExploreField(
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name="dim2",
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label_short="Dim 2 Label Short",
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type="list",
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description="something",
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),
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],
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measures=[
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LookmlModelExploreField(
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name="measure1",
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type="duration_day",
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)
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],
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),
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)
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cols = get_columns_from_model(explore)
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expected_cols = [
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Column(
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name=ColumnName("dim1"),
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displayName="Dim 1 Label",
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dataType=DataType.BOOLEAN,
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dataTypeDisplay="yesno",
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description=None,
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),
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Column(
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name=ColumnName("dim2"),
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displayName="Dim 2 Label Short",
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dataType=DataType.ARRAY,
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arrayDataType=DataType.UNKNOWN,
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dataTypeDisplay="list",
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description="something",
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),
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Column(
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name=ColumnName("measure1"),
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displayName=None,
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dataType=DataType.STRING,
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dataTypeDisplay="duration_day",
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description=None,
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),
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]
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self.assertEqual(cols, expected_cols)
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def test_view_col_parser(self):
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"""
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Test we can parse a view
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"""
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reader = LocalReader(BASE_PATH)
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parser = LkmlParser(reader)
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view = parser.find_view(
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view_name=ViewName("cats"), path=Includes("kittens.explore.lkml")
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)
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cols = get_columns_from_model(view)
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expected_cols = [
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Column(
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name=ColumnName("name"),
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dataType=DataType.STRING,
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dataTypeDisplay="string",
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),
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Column(
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name=ColumnName("age"),
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dataType=DataType.NUMBER,
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dataTypeDisplay="int",
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),
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]
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self.assertEqual(cols, expected_cols)
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