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test_transformation.py
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2974 lines (2537 loc) · 108 KB
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import agate
from datetime import datetime, timedelta
import json
import logging
import typing as t
from pathlib import Path
from unittest.mock import patch
from sqlmesh.dbt.util import DBT_VERSION
import pytest
from dbt.adapters.base import BaseRelation
from jinja2 import Template
if DBT_VERSION >= (1, 4, 0):
from dbt.exceptions import CompilationError
else:
from dbt.exceptions import CompilationException as CompilationError # type: ignore
import time_machine
from pytest_mock.plugin import MockerFixture
from sqlglot import exp, parse_one
from sqlmesh.core import dialect as d
from sqlmesh.core.environment import EnvironmentNamingInfo
from sqlmesh.core.macros import RuntimeStage
from sqlmesh.core.renderer import render_statements
from sqlmesh.core.audit import StandaloneAudit
from sqlmesh.core.context import Context
from sqlmesh.core.console import get_console
from sqlmesh.core.model import (
EmbeddedKind,
FullKind,
IncrementalByTimeRangeKind,
IncrementalByUniqueKeyKind,
IncrementalUnmanagedKind,
ManagedKind,
SqlModel,
ViewKind,
)
from sqlmesh.core.model.kind import (
SCDType2ByColumnKind,
SCDType2ByTimeKind,
OnDestructiveChange,
OnAdditiveChange,
)
from sqlmesh.core.state_sync.db.snapshot import _snapshot_to_json
from sqlmesh.dbt.builtin import _relation_info_to_relation, Config
from sqlmesh.dbt.common import Dependencies
from sqlmesh.dbt.builtin import _relation_info_to_relation
from sqlmesh.dbt.column import (
ColumnConfig,
column_descriptions_to_sqlmesh,
column_types_to_sqlmesh,
)
from sqlmesh.dbt.context import DbtContext
from sqlmesh.dbt.model import Materialization, ModelConfig
from sqlmesh.dbt.source import SourceConfig
from sqlmesh.dbt.project import Project
from sqlmesh.dbt.relation import Policy
from sqlmesh.dbt.seed import SeedConfig
from sqlmesh.dbt.target import (
BigQueryConfig,
DuckDbConfig,
SnowflakeConfig,
ClickhouseConfig,
PostgresConfig,
)
from sqlmesh.dbt.test import TestConfig
from sqlmesh.utils.errors import ConfigError, MacroEvalError, SQLMeshError
from sqlmesh.utils.jinja import MacroReference
pytestmark = [pytest.mark.dbt, pytest.mark.slow]
def test_model_name(dbt_dummy_postgres_config: PostgresConfig):
context = DbtContext()
context._target = dbt_dummy_postgres_config
assert ModelConfig(schema="foo", path="models/bar.sql").canonical_name(context) == "foo.bar"
assert (
ModelConfig(schema="foo", path="models/bar.sql", alias="baz").canonical_name(context)
== "foo.baz"
)
assert (
ModelConfig(
database="dbname", schema="foo", path="models/bar.sql", alias="baz"
).canonical_name(context)
== "foo.baz"
)
assert (
ModelConfig(
database="other", schema="foo", path="models/bar.sql", alias="baz"
).canonical_name(context)
== "other.foo.baz"
)
def test_materialization():
context = DbtContext()
context.project_name = "Test"
context.target = DuckDbConfig(name="target", schema="foo")
with patch.object(get_console(), "log_warning") as mock_logger:
model_config = ModelConfig(
name="model", alias="model", schema="schema", materialized="materialized_view"
)
assert (
"SQLMesh does not support the 'materialized_view' model materialization. Falling back to the 'view' materialization."
in mock_logger.call_args[0][0]
)
assert model_config.materialized == "view"
# clickhouse "dictionary" materialization
with pytest.raises(ConfigError):
ModelConfig(name="model", alias="model", schema="schema", materialized="dictionary")
def test_dbt_custom_materialization():
sushi_context = Context(paths=["tests/fixtures/dbt/sushi_test"])
plan_builder = sushi_context.plan_builder(select_models=["sushi.custom_incremental_model"])
plan = plan_builder.build()
assert len(plan.selected_models) == 1
selected_model = list(plan.selected_models)[0]
assert selected_model == "model.sushi.custom_incremental_model"
query = "SELECT * FROM sushi.custom_incremental_model ORDER BY created_at"
hook_table = "SELECT * FROM hook_table ORDER BY id"
sushi_context.apply(plan)
result = sushi_context.engine_adapter.fetchdf(query)
assert len(result) == 1
assert {"created_at", "id"}.issubset(result.columns)
# assert the pre/post hooks executed as well as part of the custom materialization
hook_result = sushi_context.engine_adapter.fetchdf(hook_table)
assert len(hook_result) == 1
assert {"length_col", "id", "updated_at"}.issubset(hook_result.columns)
assert int(hook_result["length_col"][0]) >= 519
assert hook_result["id"][0] == 1
# running with execution time one day in the future to simulate an incremental insert
tomorrow = datetime.now() + timedelta(days=1)
sushi_context.run(select_models=["sushi.custom_incremental_model"], execution_time=tomorrow)
result_after_run = sushi_context.engine_adapter.fetchdf(query)
assert {"created_at", "id"}.issubset(result_after_run.columns)
# this should have added new unique values for the new row
assert len(result_after_run) == 2
assert result_after_run["id"].is_unique
assert result_after_run["created_at"].is_unique
# validate the hooks executed as part of the run as well
hook_result = sushi_context.engine_adapter.fetchdf(hook_table)
assert len(hook_result) == 2
assert hook_result["id"][1] == 2
assert int(hook_result["length_col"][1]) >= 519
assert hook_result["id"].is_monotonic_increasing
assert hook_result["updated_at"].is_unique
assert not hook_result["length_col"].is_unique
def test_dbt_custom_materialization_with_time_filter_and_macro():
sushi_context = Context(paths=["tests/fixtures/dbt/sushi_test"])
today = datetime.now()
# select both custom materialiasation models with the wildcard
selector = ["sushi.custom_incremental*"]
plan_builder = sushi_context.plan_builder(select_models=selector, execution_time=today)
plan = plan_builder.build()
assert len(plan.selected_models) == 2
assert {
"model.sushi.custom_incremental_model",
"model.sushi.custom_incremental_with_filter",
}.issubset(plan.selected_models)
# the model that daily (default cron) populates with data
select_daily = "SELECT * FROM sushi.custom_incremental_model ORDER BY created_at"
# this model uses `run_started_at` as a filter (which we populate with execution time) with 2 day interval
select_filter = "SELECT * FROM sushi.custom_incremental_with_filter ORDER BY created_at"
sushi_context.apply(plan)
result = sushi_context.engine_adapter.fetchdf(select_daily)
assert len(result) == 1
assert {"created_at", "id"}.issubset(result.columns)
result = sushi_context.engine_adapter.fetchdf(select_filter)
assert len(result) == 1
assert {"created_at", "id"}.issubset(result.columns)
# - run ONE DAY LATER
a_day_later = today + timedelta(days=1)
sushi_context.run(select_models=selector, execution_time=a_day_later)
result_after_run = sushi_context.engine_adapter.fetchdf(select_daily)
# the new row is inserted in the normal incremental model
assert len(result_after_run) == 2
assert {"created_at", "id"}.issubset(result_after_run.columns)
assert result_after_run["id"].is_unique
assert result_after_run["created_at"].is_unique
# this model due to the filter shouldn't populate with any new data
result_after_run_filter = sushi_context.engine_adapter.fetchdf(select_filter)
assert len(result_after_run_filter) == 1
assert {"created_at", "id"}.issubset(result_after_run_filter.columns)
assert result.equals(result_after_run_filter)
assert result_after_run_filter["id"].is_unique
assert result_after_run_filter["created_at"][0].date() == today.date()
# - run TWO DAYS LATER
two_days_later = a_day_later + timedelta(days=1)
sushi_context.run(select_models=selector, execution_time=two_days_later)
result_after_run = sushi_context.engine_adapter.fetchdf(select_daily)
# again a new row is inserted in the normal model
assert len(result_after_run) == 3
assert {"created_at", "id"}.issubset(result_after_run.columns)
assert result_after_run["id"].is_unique
assert result_after_run["created_at"].is_unique
# the model with the filter now should populate as well
result_after_run_filter = sushi_context.engine_adapter.fetchdf(select_filter)
assert len(result_after_run_filter) == 2
assert {"created_at", "id"}.issubset(result_after_run_filter.columns)
assert result_after_run_filter["id"].is_unique
assert result_after_run_filter["created_at"][0].date() == today.date()
assert result_after_run_filter["created_at"][1].date() == two_days_later.date()
# assert hooks have executed for both plan and incremental runs
hook_result = sushi_context.engine_adapter.fetchdf("SELECT * FROM hook_table ORDER BY id")
assert len(hook_result) == 3
hook_result["id"][0] == 1
assert hook_result["id"].is_monotonic_increasing
assert hook_result["updated_at"].is_unique
assert int(hook_result["length_col"][1]) >= 519
assert not hook_result["length_col"].is_unique
def test_model_kind():
context = DbtContext()
context.project_name = "Test"
context.target = DuckDbConfig(name="target", schema="foo")
assert ModelConfig(materialized=Materialization.TABLE).model_kind(context) == FullKind()
assert ModelConfig(materialized=Materialization.VIEW).model_kind(context) == ViewKind()
assert ModelConfig(materialized=Materialization.EPHEMERAL).model_kind(context) == EmbeddedKind()
assert ModelConfig(
materialized=Materialization.SNAPSHOT,
unique_key=["id"],
updated_at="updated_at",
strategy="timestamp",
).model_kind(context) == SCDType2ByTimeKind(
unique_key=["id"],
valid_from_name="dbt_valid_from",
valid_to_name="dbt_valid_to",
updated_at_as_valid_from=True,
updated_at_name="updated_at",
dialect="duckdb",
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.ALLOW,
)
assert ModelConfig(
materialized=Materialization.SNAPSHOT,
unique_key=["id"],
strategy="check",
check_cols=["foo"],
).model_kind(context) == SCDType2ByColumnKind(
unique_key=["id"],
valid_from_name="dbt_valid_from",
valid_to_name="dbt_valid_to",
columns=["foo"],
execution_time_as_valid_from=True,
dialect="duckdb",
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.ALLOW,
)
assert ModelConfig(
materialized=Materialization.SNAPSHOT,
unique_key=["id"],
strategy="check",
check_cols=["foo"],
dialect="bigquery",
).model_kind(context) == SCDType2ByColumnKind(
unique_key=["id"],
valid_from_name="dbt_valid_from",
valid_to_name="dbt_valid_to",
columns=["foo"],
execution_time_as_valid_from=True,
dialect="bigquery",
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.ALLOW,
)
assert ModelConfig(materialized=Materialization.INCREMENTAL, time_column="foo").model_kind(
context
) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="duckdb",
forward_only=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
time_column="foo",
incremental_strategy="delete+insert",
forward_only=False,
).model_kind(context) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="duckdb",
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
time_column="foo",
incremental_strategy="insert_overwrite",
).model_kind(context) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="duckdb",
forward_only=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
time_column="foo",
unique_key=["bar"],
dialect="bigquery",
).model_kind(context) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="bigquery",
forward_only=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL, unique_key=["bar"], incremental_strategy="merge"
).model_kind(context) == IncrementalByUniqueKeyKind(
unique_key=["bar"],
dialect="duckdb",
forward_only=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
dbt_incremental_predicate = "DBT_INTERNAL_DEST.session_start > dateadd(day, -7, current_date)"
expected_sqlmesh_predicate = parse_one(
"__MERGE_TARGET__.session_start > DATEADD(day, -7, CURRENT_DATE)"
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
unique_key=["bar"],
incremental_strategy="merge",
dialect="postgres",
incremental_predicates=[dbt_incremental_predicate],
).model_kind(context) == IncrementalByUniqueKeyKind(
unique_key=["bar"],
dialect="postgres",
forward_only=True,
disable_restatement=False,
merge_filter=expected_sqlmesh_predicate,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(materialized=Materialization.INCREMENTAL, unique_key=["bar"]).model_kind(
context
) == IncrementalByUniqueKeyKind(
unique_key=["bar"],
dialect="duckdb",
forward_only=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL, unique_key=["bar"], full_refresh=False
).model_kind(context) == IncrementalByUniqueKeyKind(
unique_key=["bar"],
dialect="duckdb",
forward_only=True,
disable_restatement=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL, unique_key=["bar"], full_refresh=True
).model_kind(context) == IncrementalByUniqueKeyKind(
unique_key=["bar"],
dialect="duckdb",
forward_only=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL, unique_key=["bar"], disable_restatement=True
).model_kind(context) == IncrementalByUniqueKeyKind(
unique_key=["bar"],
dialect="duckdb",
forward_only=True,
disable_restatement=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
unique_key=["bar"],
disable_restatement=True,
full_refresh=True,
).model_kind(context) == IncrementalByUniqueKeyKind(
unique_key=["bar"],
dialect="duckdb",
forward_only=True,
disable_restatement=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
unique_key=["bar"],
disable_restatement=True,
full_refresh=False,
auto_restatement_cron="0 0 * * *",
).model_kind(context) == IncrementalByUniqueKeyKind(
unique_key=["bar"],
dialect="duckdb",
forward_only=True,
disable_restatement=True,
auto_restatement_cron="0 0 * * *",
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
# Test incompatibile incremental strategies
for incremental_strategy in ("delete+insert", "insert_overwrite", "append"):
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
unique_key=["bar"],
incremental_strategy=incremental_strategy,
).model_kind(context) == IncrementalByUniqueKeyKind(
unique_key=["bar"],
dialect="duckdb",
forward_only=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL, time_column="foo", incremental_strategy="merge"
).model_kind(context) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="duckdb",
forward_only=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
time_column="foo",
incremental_strategy="merge",
full_refresh=True,
).model_kind(context) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="duckdb",
forward_only=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
time_column="foo",
incremental_strategy="merge",
full_refresh=False,
).model_kind(context) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="duckdb",
forward_only=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
time_column="foo",
incremental_strategy="append",
disable_restatement=True,
).model_kind(context) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="duckdb",
forward_only=True,
disable_restatement=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
time_column="foo",
incremental_strategy="insert_overwrite",
partition_by={"field": "bar"},
forward_only=False,
).model_kind(context) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="duckdb",
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
time_column="foo",
incremental_strategy="insert_overwrite",
partition_by={"field": "bar"},
forward_only=False,
auto_restatement_cron="0 0 * * *",
auto_restatement_intervals=3,
).model_kind(context) == IncrementalByTimeRangeKind(
time_column="foo",
dialect="duckdb",
forward_only=False,
auto_restatement_cron="0 0 * * *",
auto_restatement_intervals=3,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
incremental_strategy="insert_overwrite",
partition_by={"field": "bar"},
).model_kind(context) == IncrementalUnmanagedKind(
insert_overwrite=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(materialized=Materialization.INCREMENTAL).model_kind(
context
) == IncrementalUnmanagedKind(
insert_overwrite=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(materialized=Materialization.INCREMENTAL, forward_only=False).model_kind(
context
) == IncrementalUnmanagedKind(
insert_overwrite=True,
disable_restatement=False,
forward_only=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL, incremental_strategy="append"
).model_kind(context) == IncrementalUnmanagedKind(
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL, incremental_strategy="append", full_refresh=None
).model_kind(context) == IncrementalUnmanagedKind(
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
incremental_strategy="insert_overwrite",
partition_by={"field": "bar", "data_type": "int64"},
).model_kind(context) == IncrementalUnmanagedKind(
insert_overwrite=True,
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
incremental_strategy="insert_overwrite",
partition_by={"field": "bar", "data_type": "int64"},
full_refresh=False,
).model_kind(context) == IncrementalUnmanagedKind(
insert_overwrite=True,
disable_restatement=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
incremental_strategy="insert_overwrite",
partition_by={"field": "bar", "data_type": "int64"},
disable_restatement=True,
full_refresh=True,
).model_kind(context) == IncrementalUnmanagedKind(
insert_overwrite=True,
disable_restatement=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
incremental_strategy="insert_overwrite",
partition_by={"field": "bar", "data_type": "int64"},
disable_restatement=True,
).model_kind(context) == IncrementalUnmanagedKind(
insert_overwrite=True,
disable_restatement=True,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert ModelConfig(
materialized=Materialization.INCREMENTAL,
incremental_strategy="insert_overwrite",
auto_restatement_cron="0 0 * * *",
).model_kind(context) == IncrementalUnmanagedKind(
insert_overwrite=True,
auto_restatement_cron="0 0 * * *",
disable_restatement=False,
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.IGNORE,
)
assert (
ModelConfig(materialized=Materialization.DYNAMIC_TABLE, target_lag="1 hour").model_kind(
context
)
== ManagedKind()
)
assert ModelConfig(
materialized=Materialization.SNAPSHOT,
unique_key=["id"],
updated_at="updated_at::timestamp",
strategy="timestamp",
dialect="redshift",
).model_kind(context) == SCDType2ByTimeKind(
unique_key=["id"],
valid_from_name="dbt_valid_from",
valid_to_name="dbt_valid_to",
updated_at_as_valid_from=True,
updated_at_name="updated_at",
dialect="redshift",
on_destructive_change=OnDestructiveChange.IGNORE,
on_additive_change=OnAdditiveChange.ALLOW,
)
def test_model_kind_snapshot_bigquery():
context = DbtContext()
context.project_name = "Test"
context.target = BigQueryConfig(name="target", schema="foo", project="bar")
assert ModelConfig(
materialized=Materialization.SNAPSHOT,
unique_key=["id"],
updated_at="updated_at",
strategy="timestamp",
).model_kind(context) == SCDType2ByTimeKind(
unique_key=["id"],
valid_from_name="dbt_valid_from",
valid_to_name="dbt_valid_to",
updated_at_as_valid_from=True,
updated_at_name="updated_at",
time_data_type=exp.DataType.build("TIMESTAMPTZ"),
dialect="bigquery",
on_destructive_change=OnDestructiveChange.IGNORE,
)
# time_data_type is bigquery version even though model dialect is DuckDB
# because model target is BigQuery
assert ModelConfig(
materialized=Materialization.SNAPSHOT,
unique_key=["id"],
updated_at="updated_at",
strategy="timestamp",
dialect="duckdb",
).model_kind(context) == SCDType2ByTimeKind(
unique_key=["id"],
valid_from_name="dbt_valid_from",
valid_to_name="dbt_valid_to",
updated_at_as_valid_from=True,
updated_at_name="updated_at",
time_data_type=exp.DataType.build("TIMESTAMPTZ"), # bigquery version
dialect="duckdb",
on_destructive_change=OnDestructiveChange.IGNORE,
)
def test_model_columns():
model = ModelConfig(
alias="test",
target_schema="foo",
table_name="bar",
sql="SELECT * FROM baz",
columns={
"ADDRESS": ColumnConfig(
name="address", data_type="text", description="Business address"
),
"ZIPCODE": ColumnConfig(
name="zipcode", data_type="varchar(5)", description="Business zipcode"
),
"DATE": ColumnConfig(
name="date", data_type="timestamp_ntz", description="Contract date"
),
},
)
expected_column_types = {
"ADDRESS": exp.DataType.build("text"),
"ZIPCODE": exp.DataType.build("varchar(5)"),
"DATE": exp.DataType.build("timestamp_ntz", dialect="snowflake"),
}
expected_column_descriptions = {
"ADDRESS": "Business address",
"ZIPCODE": "Business zipcode",
"DATE": "Contract date",
}
assert column_types_to_sqlmesh(model.columns, "snowflake") == expected_column_types
assert column_descriptions_to_sqlmesh(model.columns) == expected_column_descriptions
context = DbtContext()
context.project_name = "Foo"
context.target = SnowflakeConfig(
name="target", schema="test", database="test", account="foo", user="bar", password="baz"
)
sqlmesh_model = model.to_sqlmesh(context)
# Columns being present in a schema.yaml are not respected in DDLs, so SQLMesh doesn't
# set the corresponding columns_to_types_ attribute either to match dbt's behavior
assert sqlmesh_model.columns_to_types == None
assert sqlmesh_model.column_descriptions == expected_column_descriptions
def test_seed_columns():
seed = SeedConfig(
name="foo",
package="package",
path=Path("examples/sushi_dbt/seeds/waiter_names.csv"),
columns={
"id": ColumnConfig(name="id", data_type="text", description="The ID"),
"name": ColumnConfig(name="name", data_type="text", description="The name"),
},
)
# dbt doesn't respect the data_type field in the DDLs– instead, it optionally uses it to
# validate the actual data types at runtime through contracts or external plugins. Thus,
# the actual data type is int, because that is what is inferred from the seed file.
expected_column_types = {
"id": exp.DataType.build("int"),
"name": exp.DataType.build("text"),
}
expected_column_descriptions = {
"id": "The ID",
"name": "The name",
}
context = DbtContext()
context.project_name = "Foo"
context.target = DuckDbConfig(name="target", schema="test")
sqlmesh_seed = seed.to_sqlmesh(context)
assert sqlmesh_seed.columns_to_types == expected_column_types
assert sqlmesh_seed.column_descriptions == expected_column_descriptions
def test_seed_column_types():
seed = SeedConfig(
name="foo",
package="package",
path=Path("examples/sushi_dbt/seeds/waiter_names.csv"),
column_types={
"id": "text",
"name": "text",
},
columns={
"name": ColumnConfig(name="name", description="The name"),
},
quote_columns=True,
)
expected_column_types = {
"id": exp.DataType.build("text"),
"name": exp.DataType.build("text"),
}
expected_column_descriptions = {
"name": "The name",
}
context = DbtContext()
context.project_name = "Foo"
context.target = DuckDbConfig(name="target", schema="test")
sqlmesh_seed = seed.to_sqlmesh(context)
assert sqlmesh_seed.columns_to_types == expected_column_types
assert sqlmesh_seed.column_descriptions == expected_column_descriptions
seed = SeedConfig(
name="foo",
package="package",
path=Path("examples/sushi_dbt/seeds/waiter_names.csv"),
column_types={
"name": "text",
},
columns={
# The `data_type` field does not affect the materialized seed's column type
"id": ColumnConfig(name="name", data_type="text"),
},
quote_columns=True,
)
expected_column_types = {
"id": exp.DataType.build("int"),
"name": exp.DataType.build("text"),
}
sqlmesh_seed = seed.to_sqlmesh(context)
assert sqlmesh_seed.columns_to_types == expected_column_types
def test_seed_column_inference(tmp_path):
seed_csv = tmp_path / "seed.csv"
with open(seed_csv, "w", encoding="utf-8") as fd:
fd.write("int_col,double_col,datetime_col,date_col,boolean_col,text_col\n")
fd.write("1,1.2,2021-01-01 00:00:00,2021-01-01,true,foo\n")
fd.write("2,2.3,2021-01-02 00:00:00,2021-01-02,false,bar\n")
fd.write("null,,null,,,null\n")
seed = SeedConfig(
name="test_model",
package="package",
path=Path(seed_csv),
)
context = DbtContext()
context.project_name = "Foo"
context.target = DuckDbConfig(name="target", schema="test")
sqlmesh_seed = seed.to_sqlmesh(context)
assert sqlmesh_seed.columns_to_types == {
"int_col": exp.DataType.build("int")
if DBT_VERSION >= (1, 8, 0)
else exp.DataType.build("double"),
"double_col": exp.DataType.build("double"),
"datetime_col": exp.DataType.build("datetime"),
"date_col": exp.DataType.build("date"),
"boolean_col": exp.DataType.build("boolean"),
"text_col": exp.DataType.build("text"),
}
def test_seed_single_whitespace_is_na(tmp_path):
seed_csv = tmp_path / "seed.csv"
with open(seed_csv, "w", encoding="utf-8") as fd:
fd.write("col_a, col_b\n")
fd.write(" ,1\n")
fd.write("2, \n")
seed = SeedConfig(
name="test_model",
package="foo",
path=Path(seed_csv),
)
context = DbtContext()
context.project_name = "foo"
context.target = DuckDbConfig(name="target", schema="test")
sqlmesh_seed = seed.to_sqlmesh(context)
assert sqlmesh_seed.columns_to_types == {
"col_a": exp.DataType.build("int"),
"col_b": exp.DataType.build("int"),
}
df = next(sqlmesh_seed.render_seed())
assert df["col_a"].to_list() == [None, 2]
assert df["col_b"].to_list() == [1, None]
def test_seed_partial_column_inference(tmp_path):
seed_csv = tmp_path / "seed.csv"
with open(seed_csv, "w", encoding="utf-8") as fd:
fd.write("int_col,double_col,datetime_col,boolean_col\n")
fd.write("1,1.2,2021-01-01 00:00:00,true\n")
fd.write("2,2.3,2021-01-02 00:00:00,false\n")
fd.write("null,,null,\n")
seed = SeedConfig(
name="test_model",
package="package",
path=Path(seed_csv),
column_types={
"double_col": "double",
},
columns={
"int_col": ColumnConfig(
name="int_col", data_type="int", description="Description with type."
),
"datetime_col": ColumnConfig(
name="datetime_col", description="Description without type."
),
"boolean_col": ColumnConfig(name="boolean_col"),
},
)
expected_column_types = {
"int_col": exp.DataType.build("int"),
"double_col": exp.DataType.build("double"),
"datetime_col": exp.DataType.build("datetime"),
"boolean_col": exp.DataType.build("boolean"),
}
expected_column_descriptions = {
"int_col": "Description with type.",
"datetime_col": "Description without type.",
}
context = DbtContext()
context.project_name = "Foo"
context.target = DuckDbConfig(name="target", schema="test")
sqlmesh_seed = seed.to_sqlmesh(context)
assert sqlmesh_seed.columns_to_types == expected_column_types
assert sqlmesh_seed.column_descriptions == expected_column_descriptions
# Check that everything still lines up
seed_df = next(sqlmesh_seed.render_seed())
assert list(seed_df.columns) == list(sqlmesh_seed.columns_to_types.keys())
def test_seed_delimiter(tmp_path):
seed_csv = tmp_path / "seed_with_delimiter.csv"
with open(seed_csv, "w", encoding="utf-8") as fd:
fd.writelines("\n".join(["id|name|city", "0|Ayrton|SP", "1|Max|MC", "2|Niki|VIE"]))
seed = SeedConfig(
name="test_model_pipe",
package="package",
path=Path(seed_csv),
delimiter="|",
)
context = DbtContext()
context.project_name = "TestProject"
context.target = DuckDbConfig(name="target", schema="test")
sqlmesh_seed = seed.to_sqlmesh(context)
# Verify columns are correct with the custom pipe (|) delimiter
expected_columns = {"id", "name", "city"}
assert set(sqlmesh_seed.columns_to_types.keys()) == expected_columns
seed_df = next(sqlmesh_seed.render_seed())
assert list(seed_df.columns) == list(sqlmesh_seed.columns_to_types.keys())
assert len(seed_df) == 3
assert seed_df.iloc[0]["name"] == "Ayrton"
assert seed_df.iloc[0]["city"] == "SP"
assert seed_df.iloc[1]["name"] == "Max"
assert seed_df.iloc[1]["city"] == "MC"
# test with semicolon delimiter
seed_csv_semicolon = tmp_path / "seed_with_semicolon.csv"
with open(seed_csv_semicolon, "w", encoding="utf-8") as fd:
fd.writelines("\n".join(["id;value;status", "1;100;active", "2;200;inactive"]))
seed_semicolon = SeedConfig(
name="test_model_semicolon",
package="package",
path=Path(seed_csv_semicolon),
delimiter=";",
)
sqlmesh_seed_semicolon = seed_semicolon.to_sqlmesh(context)
expected_columns_semicolon = {"id", "value", "status"}
assert set(sqlmesh_seed_semicolon.columns_to_types.keys()) == expected_columns_semicolon
seed_df_semicolon = next(sqlmesh_seed_semicolon.render_seed())
assert seed_df_semicolon.iloc[0]["value"] == 100