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test_dbt.py
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1097 lines (999 loc) · 47.3 KB
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import os
import unittest
from unittest.mock import MagicMock, Mock, patch, ANY
from data_diff.cloud.datafold_api import TCloudApiDataSource, TCloudApiOrgMeta
from data_diff.diff_tables import Algorithm
from data_diff.errors import (
DataDiffCustomSchemaNoConfigError,
DataDiffDbtProjectVarsNotFoundError,
DataDiffNoAPIKeyError,
DataDiffNoDatasourceIdError,
)
from data_diff.dbt import (
_get_diff_vars,
_get_prod_path_from_config,
_get_prod_path_from_manifest,
dbt_diff,
_local_diff,
_cloud_diff,
TDiffVars,
)
from data_diff.dbt_parser import (
TDatadiffConfig,
)
from data_diff.schema import RawColumnInfo
from tests.test_cli import run_datadiff_cli
class TestDbtDiffer(unittest.TestCase):
# Set DATA_DIFF_DBT_PROJ to use your own dbt project, otherwise uses the duckdb project in tests/dbt_artifacts
def test_integration_basic_dbt(self):
artifacts_path = os.getcwd() + "/tests/dbt_artifacts"
test_project_path = os.environ.get("DATA_DIFF_DBT_PROJ") or artifacts_path
test_profiles_path = os.environ.get("DATA_DIFF_DBT_PROFILES") or artifacts_path
diff = run_datadiff_cli(
"--dbt", "--dbt-project-dir", test_project_path, "--dbt-profiles-dir", test_profiles_path
)
orders_expected_output = """
jaffle_shop.prod.orders <> jaffle_shop.dev.orders
Primary Keys: ['order_id']
Where Filter: 'amount >= 0'
Included Columns: ['order_id', 'customer_id', 'order_date', 'amount', 'credit_card_amount', 'coupon_amount',
'bank_transfer_amount', 'gift_card_amount']
Excluded Columns: ['new_column']
Columns removed [-1]: {'status'}
Columns added [+1]: {'new_column'}
Type changed [1]: {'order_date'}
rows PROD <> DEV
--------- ------ ------------ -----------------
Total 10 11 [+1]
Added +2
Removed -1
Different 9
Unchanged 0
columns # diff values
-------------------- ---------------
amount 8
bank_transfer_amount 3
coupon_amount 3
credit_card_amount 6
customer_id 9
gift_card_amount 2
"""
stg_payments_expected_output = """
jaffle_shop.prod.stg_payments <> jaffle_shop.dev.stg_payments
Primary Keys: ['payment_id']
No row differences
"""
stg_customers_expected_output = """
jaffle_shop.prod.stg_customers <> jaffle_shop.dev.stg_customers
Primary Keys: ['customer_id']
No row differences
"""
stg_orders_expected_output = """
jaffle_shop.prod.stg_orders <> jaffle_shop.dev.stg_orders
Primary Keys: ['order_id']
No row differences
"""
customers_expected_output = """
jaffle_shop.prod.customers <> jaffle_shop.dev.customers
Primary Keys: ['customer_id']
No row differences
"""
expected_outputs = [
orders_expected_output,
stg_payments_expected_output,
stg_customers_expected_output,
stg_orders_expected_output,
customers_expected_output,
]
if test_project_path == artifacts_path:
actual_output_stripped = b"".join(diff).decode("utf-8").strip().replace(" ", "")
for expected_output in expected_outputs:
expected_output_stripped = "".join(line.strip() for line in expected_output.split("\n")).replace(
" ", ""
)
assert expected_output_stripped in actual_output_stripped
@unittest.skipIf(
not os.environ.get("MOTHERDUCK_TOKEN"),
"MOTHERDUCK_TOKEN doesn't exist or is empty if this is run from a forked branch pull request",
)
def test_integration_motherduck_dbt(self):
artifacts_path = os.getcwd() + "/tests/dbt_artifacts"
test_project_path = os.environ.get("DATA_DIFF_DBT_PROJ") or artifacts_path
test_profiles_path = os.environ.get("DATA_DIFF_DBT_PROJ") or artifacts_path + "/motherduck"
diff = run_datadiff_cli(
"--dbt", "--dbt-project-dir", test_project_path, "--dbt-profiles-dir", test_profiles_path
)
# assertions for the diff that exists in tests/dbt_artifacts/jaffle_shop.duckdb
if test_project_path == artifacts_path:
diff_string = b"".join(diff).decode("utf-8")
# 4 with no diffs
assert diff_string.count("No row differences") == 4
# 1 with a diff
assert diff_string.count("PROD") == 1
assert diff_string.count("DEV") == 1
assert diff_string.count("Primary Keys") == 5
assert diff_string.count("Where Filter") == 1
assert diff_string.count("Type Changed") == 0
assert diff_string.count("Total") == 1
assert diff_string.count("Added") == 1
assert diff_string.count("Removed") == 1
assert diff_string.count("Different") == 1
assert diff_string.count("Unchanged") == 1
def test_integration_cloud_dbt(self):
project_dir = os.environ.get("DATA_DIFF_DBT_PROJ")
if project_dir is not None:
diff = run_datadiff_cli("--dbt", "--cloud", "--dbt-project-dir", project_dir)
assert diff[-1].decode("utf-8") == "Diffs Complete!"
else:
pass
@patch("data_diff.dbt.diff_tables")
def test_local_diff(self, mock_diff_tables):
connection = {}
mock_table1 = Mock()
column_dictionary = {
"col1": RawColumnInfo(column_name="col1", data_type="type"),
"col2": RawColumnInfo(column_name="col2", data_type="type"),
}
mock_table1.get_schema.return_value = column_dictionary
mock_table2 = Mock()
mock_table2.get_schema.return_value = column_dictionary
mock_diff = MagicMock()
mock_diff_tables.return_value = mock_diff
mock_diff.__iter__.return_value = [1, 2, 3]
threads = None
where = "a_string"
dev_qualified_list = ["dev_db", "dev_schema", "dev_table"]
prod_qualified_list = ["prod_db", "prod_schema", "prod_table"]
expected_primary_keys = ["key"]
diff_vars = TDiffVars(
dev_path=dev_qualified_list,
prod_path=prod_qualified_list,
primary_keys=expected_primary_keys,
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
with patch("data_diff.dbt.connect_to_table", side_effect=[mock_table1, mock_table2]) as mock_connect:
_local_diff(diff_vars)
mock_diff_tables.assert_called_once_with(
mock_table1,
mock_table2,
threaded=True,
algorithm=Algorithm.JOINDIFF,
extra_columns=ANY,
where=where,
skip_null_keys=True,
)
self.assertEqual(len(mock_diff_tables.call_args[1]["extra_columns"]), 2)
self.assertEqual(mock_connect.call_count, 2)
mock_connect.assert_any_call(connection, ".".join(dev_qualified_list), tuple(expected_primary_keys))
mock_connect.assert_any_call(connection, ".".join(prod_qualified_list), tuple(expected_primary_keys))
mock_diff.get_stats_string.assert_called_once()
@patch("data_diff.dbt.diff_tables")
def test_local_diff_types_differ(self, mock_diff_tables):
connection = {}
mock_table1 = Mock()
mock_table2 = Mock()
table1_column_dictionary = {
"col1": RawColumnInfo(column_name="col1", data_type="type"),
"col2": RawColumnInfo(column_name="col2", data_type="type"),
}
table2_column_dictionary = {
"col1": RawColumnInfo(column_name="col1", data_type="type"),
"col2": RawColumnInfo(column_name="col2", data_type="differing_type"),
}
mock_table1.get_schema.return_value = table1_column_dictionary
mock_table2.get_schema.return_value = table2_column_dictionary
mock_diff = MagicMock()
mock_diff_tables.return_value = mock_diff
mock_diff.__iter__.return_value = [1, 2, 3]
threads = None
where = "a_string"
dev_qualified_list = ["dev_db", "dev_schema", "dev_table"]
prod_qualified_list = ["prod_db", "prod_schema", "prod_table"]
expected_primary_keys = ["key"]
diff_vars = TDiffVars(
dev_path=dev_qualified_list,
prod_path=prod_qualified_list,
primary_keys=expected_primary_keys,
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
with patch("data_diff.dbt.connect_to_table", side_effect=[mock_table1, mock_table2]) as mock_connect:
_local_diff(diff_vars)
mock_diff_tables.assert_called_once_with(
mock_table1,
mock_table2,
threaded=True,
algorithm=Algorithm.JOINDIFF,
extra_columns=ANY,
where=where,
skip_null_keys=True,
)
self.assertEqual(len(mock_diff_tables.call_args[1]["extra_columns"]), 1)
self.assertEqual(mock_connect.call_count, 2)
mock_diff.get_stats_string.assert_called_once()
@patch("data_diff.dbt.diff_tables")
def test_local_diff_no_diffs(self, mock_diff_tables):
connection = {}
column_dictionary = {
"col1": RawColumnInfo(column_name="col1", data_type="type"),
"col2": RawColumnInfo(column_name="col2", data_type="type"),
}
mock_table1 = Mock()
mock_table1.get_schema.return_value = column_dictionary
mock_table2 = Mock()
mock_table2.get_schema.return_value = column_dictionary
mock_diff = MagicMock()
mock_diff_tables.return_value = mock_diff
mock_diff.__iter__.return_value = []
dev_qualified_list = ["dev_db", "dev_schema", "dev_table"]
prod_qualified_list = ["prod_db", "prod_schema", "prod_table"]
expected_primary_keys = ["primary_key_column"]
threads = None
where = "a_string"
diff_vars = TDiffVars(
dev_path=dev_qualified_list,
prod_path=prod_qualified_list,
primary_keys=expected_primary_keys,
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
with patch("data_diff.dbt.connect_to_table", side_effect=[mock_table1, mock_table2]) as mock_connect:
_local_diff(diff_vars)
mock_diff_tables.assert_called_once_with(
mock_table1,
mock_table2,
threaded=True,
algorithm=Algorithm.JOINDIFF,
extra_columns=ANY,
where=where,
skip_null_keys=True,
)
self.assertEqual(len(mock_diff_tables.call_args[1]["extra_columns"]), 2)
self.assertEqual(mock_connect.call_count, 2)
mock_connect.assert_any_call(connection, ".".join(dev_qualified_list), tuple(expected_primary_keys))
mock_connect.assert_any_call(connection, ".".join(prod_qualified_list), tuple(expected_primary_keys))
mock_diff.get_stats_string.assert_not_called()
@patch("data_diff.dbt.rich.print")
@patch("data_diff.dbt.os.environ")
@patch("data_diff.dbt.DatafoldAPI")
def test_cloud_diff(self, mock_api, mock_os_environ, mock_print):
org_meta = TCloudApiOrgMeta(org_id=1, org_name="", user_id=1)
expected_api_key = "an_api_key"
dev_qualified_list = ["dev_db", "dev_schema", "dev_table"]
prod_qualified_list = ["prod_db", "prod_schema", "prod_table"]
expected_datasource_id = 1
expected_primary_keys = ["primary_key_column"]
threads = None
where = "a_string"
include_columns = ["created_at", "num_users", "sub_created_at", "sub_plan"]
exclude_columns = ["new_column"]
connection = {}
mock_api.create_data_diff.return_value = {"id": 123}
mock_os_environ.get.return_value = expected_api_key
diff_vars = TDiffVars(
dev_path=dev_qualified_list,
prod_path=prod_qualified_list,
primary_keys=expected_primary_keys,
connection=connection,
threads=threads,
where_filter=where,
include_columns=include_columns,
exclude_columns=exclude_columns,
)
_cloud_diff(diff_vars, expected_datasource_id, org_meta=org_meta, api=mock_api)
mock_api.create_data_diff.assert_called_once()
self.assertEqual(mock_print.call_count, 2)
payload = mock_api.create_data_diff.call_args[1]["payload"]
self.assertEqual(payload.data_source1_id, expected_datasource_id)
self.assertEqual(payload.data_source2_id, expected_datasource_id)
self.assertEqual(payload.table1, prod_qualified_list)
self.assertEqual(payload.table2, dev_qualified_list)
self.assertEqual(payload.pk_columns, expected_primary_keys)
self.assertEqual(payload.include_columns, include_columns)
self.assertEqual(payload.exclude_columns, exclude_columns)
@patch("data_diff.dbt._initialize_api")
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
@patch("data_diff.dbt.rich.print")
@patch("data_diff.dbt.DatafoldAPI")
def test_diff_is_cloud(
self,
mock_api,
mock_print,
mock_dbt_parser,
mock_cloud_diff,
mock_local_diff,
mock_get_diff_vars,
mock_initialize_api,
):
org_meta = TCloudApiOrgMeta(org_id=1, org_name="", user_id=1)
connection = {}
threads = None
where = "a_string"
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema", datasource_id=1)
mock_dbt_parser_inst = Mock()
mock_dbt_parser_inst.threads = threads
mock_model = Mock()
mock_api.get_data_source.return_value = TCloudApiDataSource(id=1, type="snowflake", name="snowflake")
mock_initialize_api.return_value = mock_api
mock_api.get_org_meta.return_value = org_meta
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
diff_vars = TDiffVars(
dev_path=["dev"],
prod_path=["prod"],
primary_keys=["pks"],
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
mock_get_diff_vars.return_value = diff_vars
dbt_diff(is_cloud=True)
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.set_connection.assert_not_called()
mock_dbt_parser_inst.set_casing_policy_for.assert_called_once()
mock_initialize_api.assert_called_once()
mock_api.get_data_source.assert_called_once_with(1)
mock_cloud_diff.assert_called_once_with(diff_vars, 1, mock_api, org_meta, None)
mock_local_diff.assert_not_called()
mock_print.assert_called_once()
@patch("data_diff.dbt._initialize_api")
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
@patch("data_diff.dbt.rich.print")
@patch("builtins.input", return_value="n")
def test_diff_is_cloud_no_ds_id(
self, _, mock_print, mock_dbt_parser, mock_cloud_diff, mock_local_diff, mock_get_diff_vars, mock_initialize_api
):
org_meta = TCloudApiOrgMeta(org_id=1, org_name="", user_id=1)
connection = {}
threads = None
where = "a_string"
mock_dbt_parser_inst = Mock()
mock_model = Mock()
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema")
mock_api = Mock()
mock_initialize_api.return_value = mock_api
mock_api.get_org_meta.return_value = org_meta
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
diff_vars = TDiffVars(
dev_path=["dev"],
prod_path=["prod"],
primary_keys=["pks"],
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
mock_get_diff_vars.return_value = diff_vars
with self.assertRaises(DataDiffNoDatasourceIdError):
dbt_diff(is_cloud=True)
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.set_connection.assert_not_called()
mock_initialize_api.assert_called_once()
mock_cloud_diff.assert_not_called()
mock_local_diff.assert_not_called()
mock_print.assert_called_once()
@patch("data_diff.dbt.keyring.get_password")
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
@patch("builtins.input", return_value="n")
def test_diff_is_cloud_no_api_key(
self, _, mock_dbt_parser, mock_cloud_diff, mock_local_diff, mock_get_diff_vars, mock_get_password
):
mock_get_password.return_value = None
mock_dbt_parser_inst = Mock()
mock_model = Mock()
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema")
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
with self.assertRaises(DataDiffNoAPIKeyError):
dbt_diff(is_cloud=True)
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.set_connection.assert_not_called()
mock_get_diff_vars.assert_not_called()
mock_cloud_diff.assert_not_called()
mock_local_diff.assert_not_called()
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
def test_diff_no_state_no_config(self, mock_dbt_parser, mock_cloud_diff, mock_local_diff, mock_get_diff_vars):
mock_dbt_parser_inst = Mock()
mock_model = Mock()
config = TDatadiffConfig()
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
with self.assertRaises(DataDiffDbtProjectVarsNotFoundError):
dbt_diff()
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.get_datadiff_config.assert_called_once()
mock_get_diff_vars.assert_not_called()
mock_cloud_diff.assert_not_called()
mock_local_diff.assert_not_called()
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
@patch("data_diff.dbt.rich.print")
def test_diff_is_not_cloud(self, mock_print, mock_dbt_parser, mock_cloud_diff, mock_local_diff, mock_get_diff_vars):
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema")
connection = {}
threads = None
where = "a_string"
mock_dbt_parser_inst = Mock()
mock_dbt_parser_inst.threads = threads
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_model = Mock()
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
diff_vars = TDiffVars(
dev_path=["dev"],
prod_path=["prod"],
primary_keys=["pks"],
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
mock_get_diff_vars.return_value = diff_vars
dbt_diff(is_cloud=False)
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.set_connection.assert_called_once()
mock_cloud_diff.assert_not_called()
mock_local_diff.assert_called_once_with(diff_vars, False, None)
mock_print.assert_not_called()
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
@patch("data_diff.dbt.rich.print")
def test_diff_state_model_dne(
self, mock_print, mock_dbt_parser, mock_cloud_diff, mock_local_diff, mock_get_diff_vars
):
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema")
connection = {}
threads = None
where = "a_string"
mock_dbt_parser_inst = Mock()
mock_dbt_parser_inst.threads = threads
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_model = Mock()
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
mock_dbt_parser_inst.get_datadiff_config.return_value = TDatadiffConfig()
diff_vars = TDiffVars(
dev_path=["dev_db", "dev_schema", "model"],
prod_path=["model"],
primary_keys=["pks"],
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
mock_get_diff_vars.return_value = diff_vars
dbt_diff(is_cloud=False, state="/manifest_path.json")
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.set_connection.assert_called_once()
mock_cloud_diff.assert_not_called()
mock_local_diff.assert_not_called()
self.assertTrue("nothing to diff" in mock_print.call_args[0][0])
mock_print.assert_called_once()
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
@patch("data_diff.dbt.rich.print")
def test_diff_only_prod_db(self, mock_print, mock_dbt_parser, mock_cloud_diff, mock_local_diff, mock_get_diff_vars):
config = TDatadiffConfig(prod_database="prod_db")
connection = {}
threads = None
where = "a_string"
mock_dbt_parser_inst = Mock()
mock_dbt_parser_inst.threads = threads
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_model = Mock()
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
diff_vars = TDiffVars(
dev_path=["dev"],
prod_path=["prod"],
primary_keys=["pks"],
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
mock_get_diff_vars.return_value = diff_vars
dbt_diff(is_cloud=False)
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.set_connection.assert_called_once()
mock_cloud_diff.assert_not_called()
mock_local_diff.assert_called_once_with(diff_vars, False, None)
mock_print.assert_not_called()
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
@patch("data_diff.dbt.rich.print")
def test_diff_only_prod_schema(
self, mock_print, mock_dbt_parser, mock_cloud_diff, mock_local_diff, mock_get_diff_vars
):
config = TDatadiffConfig(prod_schema="prod_schema")
connection = {}
threads = None
where = "a_string"
mock_dbt_parser_inst = Mock()
mock_dbt_parser_inst.threads = threads
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_model = Mock()
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
diff_vars = TDiffVars(
dev_path=["dev"],
prod_path=["prod"],
primary_keys=["pks"],
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
mock_get_diff_vars.return_value = diff_vars
dbt_diff(is_cloud=False)
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.set_connection.assert_called_once()
mock_cloud_diff.assert_not_called()
mock_local_diff.assert_called_once_with(diff_vars, False, None)
mock_print.assert_not_called()
@patch("data_diff.dbt._initialize_api")
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
@patch("data_diff.dbt.rich.print")
@patch("data_diff.dbt.DatafoldAPI")
def test_diff_is_cloud_no_pks(
self,
mock_api,
mock_print,
mock_dbt_parser,
mock_cloud_diff,
mock_local_diff,
mock_get_diff_vars,
mock_initialize_api,
):
mock_dbt_parser_inst = Mock()
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_model = Mock()
connection = {}
threads = None
mock_dbt_parser_inst.threads = threads
where = "a_string"
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema", datasource_id=1)
mock_api = Mock()
mock_initialize_api.return_value = mock_api
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
diff_vars = TDiffVars(
dev_path=["dev"],
prod_path=["prod"],
primary_keys=[],
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
mock_get_diff_vars.return_value = diff_vars
dbt_diff(is_cloud=True)
mock_initialize_api.assert_called_once()
mock_api.get_data_source.assert_called_once_with(1)
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.set_connection.assert_not_called()
mock_cloud_diff.assert_not_called()
mock_local_diff.assert_not_called()
self.assertEqual(mock_print.call_count, 2)
@patch("data_diff.dbt._get_diff_vars")
@patch("data_diff.dbt._local_diff")
@patch("data_diff.dbt._cloud_diff")
@patch("data_diff.dbt_parser.DbtParser.__new__")
@patch("data_diff.dbt.rich.print")
def test_diff_not_is_cloud_no_pks(
self, mock_print, mock_dbt_parser, mock_cloud_diff, mock_local_diff, mock_get_diff_vars
):
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema")
connection = {}
threads = None
where = "a_string"
mock_dbt_parser_inst = Mock()
mock_dbt_parser_inst.threads = threads
mock_dbt_parser.return_value = mock_dbt_parser_inst
mock_model = Mock()
mock_dbt_parser_inst.get_models.return_value = [mock_model]
mock_dbt_parser_inst.get_datadiff_config.return_value = config
diff_vars = TDiffVars(
dev_path=["dev"],
prod_path=["prod"],
primary_keys=[],
connection=connection,
threads=threads,
where_filter=where,
include_columns=[],
exclude_columns=[],
)
mock_get_diff_vars.return_value = diff_vars
dbt_diff(is_cloud=False)
mock_dbt_parser_inst.get_models.assert_called_once()
mock_dbt_parser_inst.set_connection.assert_called_once()
mock_cloud_diff.assert_not_called()
mock_local_diff.assert_not_called()
self.assertEqual(mock_print.call_count, 1)
def test_get_prod_path_from_config_replace_custom_schema(self):
config = TDatadiffConfig(
prod_database="prod_db", prod_schema="prod_schema", prod_custom_schema="prod_<custom_schema>"
)
mock_model = Mock()
mock_model.database = "a_dev_db"
mock_model.schema_ = "a_custom_schema"
mock_model.config.schema_ = mock_model.schema_
mock_model.config.database = None
mock_model.alias = "a_model_name"
mock_model.meta = None
prod_database, prod_schema = _get_prod_path_from_config(
config, mock_model, mock_model.database, mock_model.schema_
)
self.assertEqual(prod_schema, "prod_" + mock_model.schema_)
self.assertEqual(prod_database, config.prod_database)
def test_get_prod_path_from_config_static_custom_schema(self):
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema", prod_custom_schema="prod")
mock_model = Mock()
mock_model.database = "a_dev_db"
mock_model.schema_ = "a_custom_schema"
mock_model.config.database = None
mock_model.config.schema_ = mock_model.schema_
mock_model.alias = "a_model_name"
mock_model.meta = None
prod_database, prod_schema = _get_prod_path_from_config(
config, mock_model, mock_model.database, mock_model.schema_
)
self.assertEqual(prod_schema, config.prod_custom_schema)
self.assertEqual(prod_database, config.prod_database)
def test_get_prod_path_from_config_no_custom_schema_on_model(self):
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema", prod_custom_schema="prod")
mock_model = Mock()
mock_model.database = "a_dev_db"
mock_model.schema_ = "a_custom_schema"
mock_model.config.schema_ = None
mock_model.config.database = None
mock_model.alias = "a_model_name"
mock_model.meta = None
prod_database, prod_schema = _get_prod_path_from_config(
config, mock_model, mock_model.database, mock_model.schema_
)
self.assertEqual(prod_schema, config.prod_schema)
self.assertEqual(prod_database, config.prod_database)
def test_get_prod_path_from_config_match_dev_schema(self):
config = TDatadiffConfig(prod_database="prod_db")
mock_model = Mock()
mock_model.database = "a_dev_db"
mock_model.schema_ = "a_schema"
mock_model.config.schema_ = None
mock_model.config.database = None
mock_model.alias = "a_model_name"
mock_model.meta = None
prod_database, prod_schema = _get_prod_path_from_config(
config, mock_model, mock_model.database, mock_model.schema_
)
self.assertEqual(prod_schema, mock_model.schema_)
self.assertEqual(prod_database, config.prod_database)
def test_get_prod_path_from_manifest_model_exists(self):
mock_model = Mock()
mock_model.unique_id = "unique_model_id"
mock_prod_manifest = Mock()
mock_prod_model = Mock()
mock_prod_manifest.nodes.get.return_value = mock_prod_model
mock_prod_model.database = "prod_db"
mock_prod_model.schema_ = "prod_schema"
mock_prod_model.alias = "prod_alias"
prod_database, prod_schema, prod_alias = _get_prod_path_from_manifest(mock_model, mock_prod_manifest)
self.assertEqual(prod_database, mock_prod_model.database)
self.assertEqual(prod_schema, mock_prod_model.schema_)
self.assertEqual(prod_alias, mock_prod_model.alias)
def test_get_prod_path_from_manifest_model_not_exists(self):
mock_model = Mock()
mock_model.unique_id = "unique_model_id"
mock_prod_manifest = Mock()
mock_prod_model = Mock()
mock_prod_manifest.nodes.get.return_value = None
mock_prod_model.database = "prod_db"
mock_prod_model.schema_ = "prod_schema"
mock_prod_model.alias = "prod_alias"
prod_database, prod_schema, prod_alias = _get_prod_path_from_manifest(mock_model, mock_prod_manifest)
self.assertEqual(prod_database, None)
self.assertEqual(prod_schema, None)
self.assertEqual(prod_alias, None)
def test_get_diff_custom_schema_no_config_exception(self):
config = TDatadiffConfig(prod_database="prod_db", prod_schema="prod_schema")
mock_model = Mock()
mock_model.database = "a_dev_db"
mock_model.schema_ = "a_schema"
mock_model.config.schema_ = "a_custom_schema"
mock_model.alias = "a_model_name"
with self.assertRaises(DataDiffCustomSchemaNoConfigError):
_get_prod_path_from_config(config, mock_model, mock_model.database, mock_model.schema_)
@patch("data_diff.dbt._get_prod_path_from_config")
@patch("data_diff.dbt._get_prod_path_from_manifest")
def test_get_diff_vars_meta_where(self, mock_prod_path_from_manifest, mock_prod_path_from_config):
config = TDatadiffConfig(prod_database="prod_db")
mock_model = Mock()
primary_keys = ["a_primary_key"]
mock_model.database = "a_dev_db"
mock_model.schema_ = "a_schema"
mock_model.config.schema_ = None
mock_model.config.database = None
mock_model.alias = "a_model_name"
mock_model.unique_id = "unique_id"
mock_tdatadiffmodelconfig = Mock()
mock_tdatadiffmodelconfig.where_filter = "where"
mock_tdatadiffmodelconfig.include_columns = ["include"]
mock_tdatadiffmodelconfig.exclude_columns = ["exclude"]
mock_dbt_parser = Mock()
mock_dbt_parser.get_datadiff_model_config.return_value = mock_tdatadiffmodelconfig
mock_dbt_parser.connection = {}
mock_dbt_parser.threads = 0
mock_dbt_parser.get_pk_from_model.return_value = primary_keys
mock_dbt_parser.requires_upper = False
mock_dbt_parser.prod_manifest_obj = None
mock_prod_path_from_config.return_value = ("prod_db", "prod_schema")
diff_vars = _get_diff_vars(mock_dbt_parser, config, mock_model)
self.assertEqual(diff_vars.primary_keys, primary_keys)
self.assertEqual(diff_vars.connection, mock_dbt_parser.connection)
self.assertEqual(diff_vars.threads, mock_dbt_parser.threads)
self.assertEqual(diff_vars.where_filter, mock_tdatadiffmodelconfig.where_filter)
mock_dbt_parser.get_pk_from_model.assert_called_once()
mock_prod_path_from_config.assert_called_once_with(config, mock_model, mock_model.database, mock_model.schema_)
mock_prod_path_from_manifest.assert_not_called()
self.assertEqual(diff_vars.prod_path[0], mock_prod_path_from_config.return_value[0])
self.assertEqual(diff_vars.prod_path[1], mock_prod_path_from_config.return_value[1])
@patch("data_diff.dbt._get_prod_path_from_config")
@patch("data_diff.dbt._get_prod_path_from_manifest")
def test_get_diff_vars_meta_unrelated(self, mock_prod_path_from_manifest, mock_prod_path_from_config):
config = TDatadiffConfig(prod_database="prod_db")
mock_model = Mock()
primary_keys = ["a_primary_key"]
mock_model.database = "a_dev_db"
mock_model.schema_ = "a_schema"
mock_model.config.schema_ = None
mock_model.config.database = None
mock_model.alias = "a_model_name"
mock_model.unique_id = "unique_id"
mock_tdatadiffmodelconfig = Mock()
mock_tdatadiffmodelconfig.where_filter = "where"
mock_tdatadiffmodelconfig.include_columns = ["include"]
mock_tdatadiffmodelconfig.exclude_columns = ["exclude"]
mock_dbt_parser = Mock()
mock_dbt_parser.get_datadiff_model_config.return_value = mock_tdatadiffmodelconfig
mock_dbt_parser.connection = {}
mock_dbt_parser.threads = 0
mock_dbt_parser.get_pk_from_model.return_value = primary_keys
mock_dbt_parser.requires_upper = False
mock_dbt_parser.prod_manifest_obj = None
mock_prod_path_from_config.return_value = ("prod_db", "prod_schema")
diff_vars = _get_diff_vars(mock_dbt_parser, config, mock_model)
self.assertEqual(diff_vars.primary_keys, primary_keys)
self.assertEqual(diff_vars.connection, mock_dbt_parser.connection)
self.assertEqual(diff_vars.threads, mock_dbt_parser.threads)
self.assertEqual(diff_vars.where_filter, mock_tdatadiffmodelconfig.where_filter)
mock_dbt_parser.get_pk_from_model.assert_called_once()
mock_prod_path_from_config.assert_called_once_with(config, mock_model, mock_model.database, mock_model.schema_)
mock_prod_path_from_manifest.assert_not_called()
self.assertEqual(diff_vars.prod_path[0], mock_prod_path_from_config.return_value[0])
self.assertEqual(diff_vars.prod_path[1], mock_prod_path_from_config.return_value[1])
@patch("data_diff.dbt._get_prod_path_from_config")
@patch("data_diff.dbt._get_prod_path_from_manifest")
def test_get_diff_vars_meta_none(self, mock_prod_path_from_manifest, mock_prod_path_from_config):
config = TDatadiffConfig(prod_database="prod_db")
mock_model = Mock()
primary_keys = ["a_primary_key"]
mock_model.database = "a_dev_db"
mock_model.schema_ = "a_schema"
mock_model.config.schema_ = None
mock_model.config.database = None
mock_model.alias = "a_model_name"
mock_tdatadiffmodelconfig = Mock()
mock_tdatadiffmodelconfig.where_filter = "where"
mock_tdatadiffmodelconfig.include_columns = ["include"]
mock_tdatadiffmodelconfig.exclude_columns = ["exclude"]
mock_dbt_parser = Mock()
mock_dbt_parser.get_datadiff_model_config.return_value = mock_tdatadiffmodelconfig
mock_dbt_parser.connection = {}
mock_dbt_parser.threads = 0
mock_dbt_parser.get_pk_from_model.return_value = primary_keys
mock_dbt_parser.requires_upper = False
mock_model.meta = None
mock_model.unique_id = "unique_id"
mock_dbt_parser.prod_manifest_obj = None
mock_prod_path_from_config.return_value = ("prod_db", "prod_schema")
diff_vars = _get_diff_vars(mock_dbt_parser, config, mock_model)
assert diff_vars.primary_keys == primary_keys
assert diff_vars.connection == mock_dbt_parser.connection
assert diff_vars.threads == mock_dbt_parser.threads
self.assertEqual(diff_vars.where_filter, mock_tdatadiffmodelconfig.where_filter)
mock_dbt_parser.get_pk_from_model.assert_called_once()
mock_prod_path_from_config.assert_called_once_with(config, mock_model, mock_model.database, mock_model.schema_)
mock_prod_path_from_manifest.assert_not_called()
self.assertEqual(diff_vars.prod_path[0], mock_prod_path_from_config.return_value[0])
self.assertEqual(diff_vars.prod_path[1], mock_prod_path_from_config.return_value[1])
@patch("data_diff.dbt._get_prod_path_from_config")
@patch("data_diff.dbt._get_prod_path_from_manifest")
def test_get_diff_vars_custom_db(self, mock_prod_path_from_manifest, mock_prod_path_from_config):
config = TDatadiffConfig(prod_database="prod_db")
mock_model = Mock()
primary_keys = ["a_primary_key"]
mock_model.database = "a_dev_db"
mock_model.schema_ = "a_schema"
mock_model.config.schema_ = None
mock_model.config.database = "custom_database"
mock_model.alias = "a_model_name"
mock_tdatadiffmodelconfig = Mock()
mock_tdatadiffmodelconfig.where_filter = "where"
mock_tdatadiffmodelconfig.include_columns = ["include"]
mock_tdatadiffmodelconfig.exclude_columns = ["exclude"]
mock_dbt_parser = Mock()
mock_dbt_parser.get_datadiff_model_config.return_value = mock_tdatadiffmodelconfig
mock_dbt_parser.connection = {}
mock_dbt_parser.threads = 0
mock_dbt_parser.get_pk_from_model.return_value = primary_keys
mock_dbt_parser.requires_upper = False
mock_model.meta = None
mock_model.unique_id = "unique_id"
mock_dbt_parser.prod_manifest_obj = None
mock_prod_path_from_config.return_value = ("prod_db", "prod_schema")
diff_vars = _get_diff_vars(mock_dbt_parser, config, mock_model)
assert diff_vars.primary_keys == primary_keys
assert diff_vars.connection == mock_dbt_parser.connection
assert diff_vars.threads == mock_dbt_parser.threads
self.assertEqual(diff_vars.where_filter, mock_tdatadiffmodelconfig.where_filter)
mock_dbt_parser.get_pk_from_model.assert_called_once()
mock_prod_path_from_config.assert_called_once_with(config, mock_model, mock_model.database, mock_model.schema_)
mock_prod_path_from_manifest.assert_not_called()
self.assertEqual(diff_vars.prod_path[0], mock_prod_path_from_config.return_value[0])
self.assertEqual(diff_vars.prod_path[1], mock_prod_path_from_config.return_value[1])
@patch("data_diff.dbt._get_prod_path_from_config")
@patch("data_diff.dbt._get_prod_path_from_manifest")
def test_get_diff_vars_upper(self, mock_prod_path_from_manifest, mock_prod_path_from_config):
config = TDatadiffConfig(prod_database="prod_db")
mock_model = Mock()
primary_keys = ["a_primary_key"]
upper_primary_keys = [x.upper() for x in primary_keys]
mock_model.database = "a_dev_db"
mock
3BDB
_model.schema_ = "a_schema"
mock_model.config.schema_ = None
mock_model.config.database = "custom_database"
mock_model.alias = "a_model_name"
mock_tdatadiffmodelconfig = Mock()
mock_tdatadiffmodelconfig.where_filter = "where"
mock_tdatadiffmodelconfig.include_columns = ["include"]
mock_tdatadiffmodelconfig.exclude_columns = ["exclude"]
mock_dbt_parser = Mock()
mock_dbt_parser.get_datadiff_model_config.return_value = mock_tdatadiffmodelconfig
mock_dbt_parser.connection = {}
mock_dbt_parser.threads = 0
mock_dbt_parser.get_pk_from_model.return_value = primary_keys