From b05fccebce8ccf6c200c4e323266aee18818da5c Mon Sep 17 00:00:00 2001 From: Peter Allen Webb Date: Fri, 22 Nov 2024 11:39:45 -0500 Subject: [PATCH] Add new tests for new_record snapshot mode. --- .../snapshots/data/seed_new_record_mode.sql | 85 ++++++++++++ .../test_new_record_mode_snapshot.py | 122 ++++++++++++++++++ 2 files changed, 207 insertions(+) create mode 100644 tests/functional/snapshots/data/seed_new_record_mode.sql create mode 100644 tests/functional/snapshots/test_new_record_mode_snapshot.py diff --git a/tests/functional/snapshots/data/seed_new_record_mode.sql b/tests/functional/snapshots/data/seed_new_record_mode.sql new file mode 100644 index 00000000000..8fddfeaad92 --- /dev/null +++ b/tests/functional/snapshots/data/seed_new_record_mode.sql @@ -0,0 +1,85 @@ +create table {database}.{schema}.seed ( + id INTEGER, + first_name VARCHAR(50), + last_name VARCHAR(50), + email VARCHAR(50), + gender VARCHAR(50), + ip_address VARCHAR(20), + updated_at TIMESTAMP WITHOUT TIME ZONE +); + +create table {database}.{schema}.snapshot_expected ( + id INTEGER, + first_name VARCHAR(50), + last_name VARCHAR(50), + email VARCHAR(50), + gender VARCHAR(50), + ip_address VARCHAR(20), + + -- snapshotting fields + updated_at TIMESTAMP WITHOUT TIME ZONE, + dbt_valid_from TIMESTAMP WITHOUT TIME ZONE, + dbt_valid_to TIMESTAMP WITHOUT TIME ZONE, + dbt_scd_id TEXT, + dbt_updated_at TIMESTAMP WITHOUT TIME ZONE, + dbt_is_deleted TEXT +); + + +-- seed inserts +-- use the same email for two users to verify that duplicated check_cols values +-- are handled appropriately +insert into {database}.{schema}.seed (id, first_name, last_name, email, gender, ip_address, updated_at) values +(1, 'Judith', 'Kennedy', '(not provided)', 'Female', '54.60.24.128', '2015-12-24 12:19:28'), +(2, 'Arthur', 'Kelly', '(not provided)', 'Male', '62.56.24.215', '2015-10-28 16:22:15'), +(3, 'Rachel', 'Moreno', 'rmoreno2@msu.edu', 'Female', '31.222.249.23', '2016-04-05 02:05:30'), +(4, 'Ralph', 'Turner', 'rturner3@hp.com', 'Male', '157.83.76.114', '2016-08-08 00:06:51'), +(5, 'Laura', 'Gonzales', 'lgonzales4@howstuffworks.com', 'Female', '30.54.105.168', '2016-09-01 08:25:38'), +(6, 'Katherine', 'Lopez', 'klopez5@yahoo.co.jp', 'Female', '169.138.46.89', '2016-08-30 18:52:11'), +(7, 'Jeremy', 'Hamilton', 'jhamilton6@mozilla.org', 'Male', '231.189.13.133', '2016-07-17 02:09:46'), +(8, 'Heather', 'Rose', 'hrose7@goodreads.com', 'Female', '87.165.201.65', '2015-12-29 22:03:56'), +(9, 'Gregory', 'Kelly', 'gkelly8@trellian.com', 'Male', '154.209.99.7', '2016-03-24 21:18:16'), +(10, 'Rachel', 'Lopez', 'rlopez9@themeforest.net', 'Female', '237.165.82.71', '2016-08-20 15:44:49'), +(11, 'Donna', 'Welch', 'dwelcha@shutterfly.com', 'Female', '103.33.110.138', '2016-02-27 01:41:48'), +(12, 'Russell', 'Lawrence', 'rlawrenceb@qq.com', 'Male', '189.115.73.4', '2016-06-11 03:07:09'), +(13, 'Michelle', 'Montgomery', 'mmontgomeryc@scientificamerican.com', 'Female', '243.220.95.82', '2016-06-18 16:27:19'), +(14, 'Walter', 'Castillo', 'wcastillod@pagesperso-orange.fr', 'Male', '71.159.238.196', '2016-10-06 01:55:44'), +(15, 'Robin', 'Mills', 'rmillse@vkontakte.ru', 'Female', '172.190.5.50', '2016-10-31 11:41:21'), +(16, 'Raymond', 'Holmes', 'rholmesf@usgs.gov', 'Male', '148.153.166.95', '2016-10-03 08:16:38'), +(17, 'Gary', 'Bishop', 'gbishopg@plala.or.jp', 'Male', '161.108.182.13', '2016-08-29 19:35:20'), +(18, 'Anna', 'Riley', 'arileyh@nasa.gov', 'Female', '253.31.108.22', '2015-12-11 04:34:27'), +(19, 'Sarah', 'Knight', 'sknighti@foxnews.com', 'Female', '222.220.3.177', '2016-09-26 00:49:06'), +(20, 'Phyllis', 'Fox', null, 'Female', '163.191.232.95', '2016-08-21 10:35:19'); + + +-- populate snapshot table +insert into {database}.{schema}.snapshot_expected ( + id, + first_name, + last_name, + email, + gender, + ip_address, + updated_at, + dbt_valid_from, + dbt_valid_to, + dbt_updated_at, + dbt_scd_id, + dbt_is_deleted +) + +select + id, + first_name, + last_name, + email, + gender, + ip_address, + updated_at, + -- fields added by snapshotting + updated_at as dbt_valid_from, + null::timestamp as dbt_valid_to, + updated_at as dbt_updated_at, + md5(id || '-' || first_name || '|' || updated_at::text) as dbt_scd_id, + 'False' as dbt_is_deleted +from {database}.{schema}.seed; diff --git a/tests/functional/snapshots/test_new_record_mode_snapshot.py b/tests/functional/snapshots/test_new_record_mode_snapshot.py new file mode 100644 index 00000000000..77a8a9fab4e --- /dev/null +++ b/tests/functional/snapshots/test_new_record_mode_snapshot.py @@ -0,0 +1,122 @@ +import os + +import pytest + +from dbt.tests.util import check_relations_equal, run_dbt + +snapshot_actual_sql = """ +{% snapshot snapshot_actual %} + + {{ + config( + unique_key='id || ' ~ "'-'" ~ ' || first_name', + ) + }} + + select * from {{target.database}}.{{target.schema}}.seed + +{% endsnapshot %} +""" + +snapshots_yml = """ +snapshots: + - name: snapshot_actual + config: + strategy: timestamp + updated_at: updated_at + hard_deletes: new_record +""" + +ref_snapshot_sql = """ +select * from {{ ref('snapshot_actual') }} +""" + + +invalidate_sql = """ +-- update records 11 - 21. Change email and updated_at field +update {schema}.seed set + updated_at = updated_at + interval '1 hour', + email = case when id = 20 then 'pfoxj@creativecommons.org' else 'new_' || email end +where id >= 10 and id <= 20; + + +-- invalidate records 11 - 21 +update {schema}.snapshot_expected set + dbt_valid_to = updated_at + interval '1 hour' +where id >= 10 and id <= 20; + +""" + +update_sql = """ +-- insert v2 of the 11 - 21 records + +insert into {database}.{schema}.snapshot_expected ( + id, + first_name, + last_name, + email, + gender, + ip_address, + updated_at, + dbt_valid_from, + dbt_valid_to, + dbt_updated_at, + dbt_scd_id, + dbt_is_deleted +) + +select + id, + first_name, + last_name, + email, + gender, + ip_address, + updated_at, + -- fields added by snapshotting + updated_at as dbt_valid_from, + null::timestamp as dbt_valid_to, + updated_at as dbt_updated_at, + md5(id || '-' || first_name || '|' || updated_at::text) as dbt_scd_id, + 'False' as dbt_is_deleted +from {database}.{schema}.seed +where id >= 10 and id <= 20; +""" + +delete_sql = """ +delete from {schema}.seed where id = 1 +""" + + +class TestSnapshotNewRecordMode: + @pytest.fixture(scope="class") + def snapshots(self): + return {"snapshot.sql": snapshot_actual_sql} + + @pytest.fixture(scope="class") + def models(self): + return { + "snapshots.yml": snapshots_yml, + "ref_snapshot.sql": ref_snapshot_sql, + } + + def test_snapshot_new_record_mode(self, project): + path = os.path.join(project.test_data_dir, "seed_new_record_mode.sql") + project.run_sql_file(path) + results = run_dbt(["snapshot"]) + assert len(results) == 1 + + project.run_sql(invalidate_sql) + project.run_sql(update_sql) + + results = run_dbt(["snapshot"]) + assert len(results) == 1 + + check_relations_equal(project.adapter, ["snapshot_actual", "snapshot_expected"]) + + project.run_sql(delete_sql) + + results = run_dbt(["snapshot"]) + assert len(results) == 1 + + # TODO: Further validate results.