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kind: Fixes | ||
body: add merge_exclude_columns adapter tests | ||
time: 2023-01-23T13:28:14.808748-06:00 | ||
custom: | ||
Author: dave-connors-3 | ||
Issue: "6699" |
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Original file line number | Diff line number | Diff line change |
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kind: Fixes | ||
body: Fix regression of --quiet cli parameter behavior | ||
time: 2023-02-07T14:35:44.160163-05:00 | ||
custom: | ||
Author: peterallenwebb | ||
Issue: "6749" |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,6 @@ | ||
kind: Fixes | ||
body: Ensure results from hooks contain nodes when processing them | ||
time: 2023-02-08T11:05:51.952494-06:00 | ||
custom: | ||
Author: emmyoop | ||
Issue: "6796" |
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116 changes: 116 additions & 0 deletions
116
tests/adapter/dbt/tests/adapter/incremental/test_incremental_merge_exclude_columns.py
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import pytest | ||
from dbt.tests.util import run_dbt, check_relations_equal | ||
from collections import namedtuple | ||
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models__merge_exclude_columns_sql = """ | ||
{{ config( | ||
materialized = 'incremental', | ||
unique_key = 'id', | ||
incremental_strategy='merge', | ||
merge_exclude_columns=['msg'] | ||
) }} | ||
{% if not is_incremental() %} | ||
-- data for first invocation of model | ||
select 1 as id, 'hello' as msg, 'blue' as color | ||
union all | ||
select 2 as id, 'goodbye' as msg, 'red' as color | ||
{% else %} | ||
-- data for subsequent incremental update | ||
select 1 as id, 'hey' as msg, 'blue' as color | ||
union all | ||
select 2 as id, 'yo' as msg, 'green' as color | ||
union all | ||
select 3 as id, 'anyway' as msg, 'purple' as color | ||
{% endif %} | ||
""" | ||
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seeds__expected_merge_exclude_columns_csv = """id,msg,color | ||
1,hello,blue | ||
2,goodbye,green | ||
3,anyway,purple | ||
""" | ||
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ResultHolder = namedtuple( | ||
"ResultHolder", | ||
[ | ||
"seed_count", | ||
"model_count", | ||
"seed_rows", | ||
"inc_test_model_count", | ||
"relation", | ||
], | ||
) | ||
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class BaseMergeExcludeColumns: | ||
@pytest.fixture(scope="class") | ||
def models(self): | ||
return {"merge_exclude_columns.sql": models__merge_exclude_columns_sql} | ||
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@pytest.fixture(scope="class") | ||
def seeds(self): | ||
return {"expected_merge_exclude_columns.csv": seeds__expected_merge_exclude_columns_csv} | ||
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def update_incremental_model(self, incremental_model): | ||
"""update incremental model after the seed table has been updated""" | ||
model_result_set = run_dbt(["run", "--select", incremental_model]) | ||
return len(model_result_set) | ||
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def get_test_fields(self, project, seed, incremental_model, update_sql_file): | ||
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seed_count = len(run_dbt(["seed", "--select", seed, "--full-refresh"])) | ||
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model_count = len(run_dbt(["run", "--select", incremental_model, "--full-refresh"])) | ||
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relation = incremental_model | ||
# update seed in anticipation of incremental model update | ||
row_count_query = "select * from {}.{}".format(project.test_schema, seed) | ||
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seed_rows = len(project.run_sql(row_count_query, fetch="all")) | ||
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# propagate seed state to incremental model according to unique keys | ||
inc_test_model_count = self.update_incremental_model(incremental_model=incremental_model) | ||
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return ResultHolder(seed_count, model_count, seed_rows, inc_test_model_count, relation) | ||
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def check_scenario_correctness(self, expected_fields, test_case_fields, project): | ||
"""Invoke assertions to verify correct build functionality""" | ||
# 1. test seed(s) should build afresh | ||
assert expected_fields.seed_count == test_case_fields.seed_count | ||
# 2. test model(s) should build afresh | ||
assert expected_fields.model_count == test_case_fields.model_count | ||
# 3. seeds should have intended row counts post update | ||
assert expected_fields.seed_rows == test_case_fields.seed_rows | ||
# 4. incremental test model(s) should be updated | ||
assert expected_fields.inc_test_model_count == test_case_fields.inc_test_model_count | ||
# 5. result table should match intended result set (itself a relation) | ||
check_relations_equal( | ||
project.adapter, [expected_fields.relation, test_case_fields.relation] | ||
) | ||
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def test__merge_exclude_columns(self, project): | ||
"""seed should match model after two incremental runs""" | ||
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expected_fields = ResultHolder( | ||
seed_count=1, | ||
model_count=1, | ||
inc_test_model_count=1, | ||
seed_rows=3, | ||
relation="expected_merge_exclude_columns", | ||
) | ||
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test_case_fields = self.get_test_fields( | ||
project, | ||
seed="expected_merge_exclude_columns", | ||
incremental_model="merge_exclude_columns", | ||
update_sql_file=None, | ||
) | ||
self.check_scenario_correctness(expected_fields, test_case_fields, project) |
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