def test_basic(self):
raw_sql = '{{ config(materialized="table") }}select 1 as id'
block = self.file_block_for(raw_sql, 'nested/model_1.sql')
self.parser.parse_file(block)
self.assert_has_results_length(self.parser.results, nodes=1)
node = list(self.parser.results.nodes.values())[0]
expected = ParsedModelNode(
alias='model_1',
name='model_1',
database='test',
schema='analytics',
resource_type=NodeType.Model,
unique_id='model.snowplow.model_1',
fqn=['snowplow', 'nested', 'model_1'],
package_name='snowplow',
original_file_path=normalize('models/nested/model_1.sql'),
root_path=get_abs_os_path('./dbt_modules/snowplow'),
config=NodeConfig(materialized='table'),
path=normalize('nested/model_1.sql'),
raw_sql=raw_sql,
)
self.assertEqual(node, expected)
path = get_abs_os_path('./dbt_modules/snowplow/models/nested/model_1.sql')
self.assertIn(path, self.parser.results.files)
self.assertEqual(self.parser.results.files[path].nodes, ['model.snowplow.model_1'])
def model():
return ParsedModelNode(alias='model_one',
name='model_one',
database='dbt',
schema='analytics',
resource_type=NodeType.Model,
unique_id='model.root.model_one',
fqn=['root', 'model_one'],
package_name='root',
original_file_path='model_one.sql',
root_path='/usr/src/app',
refs=[],
sources=[],
depends_on=DependsOn(),
config=NodeConfig.from_dict({
'enabled': True,
'materialized': 'view',
'persist_docs': {},
'post-hook': [],
'pre-hook': [],
'vars': {},
'quoting': {},
'column_types': {},
'tags': [],
}),
tags=[],
path='model_one.sql',
raw_sql='',
description='',
columns={})
def make_model(pkg,
name,
sql,
refs=None,
sources=None,
tags=None,
path=None,
alias=None,
config_kwargs=None,
fqn_extras=None):
if refs is None:
refs = []
if sources is None:
sources = []
if tags is None:
tags = []
if path is None:
path = f'{name}.sql'
if alias is None:
alias = name
if config_kwargs is None:
config_kwargs = {}
if fqn_extras is None:
fqn_extras = []
fqn = [pkg] + fqn_extras + [name]
depends_on_nodes = []
source_values = []
ref_values = []
for ref in refs:
ref_values.append([ref.name])
depends_on_nodes.append(ref.unique_id)
for src in sources:
source_values.append([src.source_name, src.name])
depends_on_nodes.append(src.unique_id)
return ParsedModelNode(
raw_sql=sql,
database='dbt',
schema='dbt_schema',
alias=alias,
name=name,
fqn=fqn,
unique_id=f'model.{pkg}.{name}',
package_name=pkg,
root_path='/usr/dbt/some-project',
path=path,
original_file_path=f'models/{path}',
config=NodeConfig(**config_kwargs),
tags=tags,
refs=ref_values,
sources=source_values,
depends_on=DependsOn(nodes=depends_on_nodes),
resource_type=NodeType.Model,
checksum=FileHash.from_contents(''),
)
def setUp(self):
self.model = ParsedModelNode(
alias='model_one',
name='model_one',
database='dbt',
schema='analytics',
resource_type=NodeType.Model,
unique_id='model.root.model_one',
fqn=['root', 'model_one'],
package_name='root',
original_file_path='model_one.sql',
root_path='/usr/src/app',
refs=[],
sources=[],
depends_on=DependsOn(),
config=NodeConfig.from_dict({
'enabled': True,
'materialized': 'view',
'persist_docs': {},
'post-hook': [],
'pre-hook': [],
'vars': {},
'quoting': {},
'column_types': {},
'tags': [],
}),
tags=[],
path='model_one.sql',
raw_sql='',
description='',
columns={},
checksum=FileHash.from_contents(''),
)
self.context = mock.MagicMock()
self.provider = VarProvider({})
self.config = mock.MagicMock(config_version=2,
vars=self.provider,
cli_vars={},
project_name='root')
def test__prepend_ctes__multiple_levels(self):
ephemeral_config = self.model_config.replace(materialized='ephemeral')
manifest = Manifest(
macros={},
nodes={
'model.root.view': CompiledModelNode(
name='view',
database='dbt',
schema='analytics',
alias='view',
resource_type=NodeType.Model,
unique_id='model.root.view',
fqn=['root', 'view'],
package_name='root',
root_path='/usr/src/app',
refs=[],
sources=[],
depends_on=DependsOn(nodes=['model.root.ephemeral']),
config=self.model_config,
tags=[],
path='view.sql',
original_file_path='view.sql',
raw_sql='select * from {{ref("ephemeral")}}',
compiled=True,
extra_ctes_injected=False,
extra_ctes=[InjectedCTE(id='model.root.ephemeral', sql=None)],
compiled_sql='select * from __dbt__cte__ephemeral',
checksum=FileHash.from_contents(''),
),
'model.root.ephemeral': ParsedModelNode(
name='ephemeral',
database='dbt',
schema='analytics',
alias='ephemeral',
resource_type=NodeType.Model,
unique_id='model.root.ephemeral',
fqn=['root', 'ephemeral'],
package_name='root',
root_path='/usr/src/app',
refs=[],
sources=[],
depends_on=DependsOn(),
config=ephemeral_config,
tags=[],
path='ephemeral.sql',
original_file_path='ephemeral.sql',
raw_sql='select * from {{ref("ephemeral_level_two")}}',
checksum=FileHash.from_contents(''),
),
'model.root.ephemeral_level_two': ParsedModelNode(
name='ephemeral_level_two',
database='dbt',
schema='analytics',
alias='ephemeral_level_two',
resource_type=NodeType.Model,
unique_id='model.root.ephemeral_level_two',
fqn=['root', 'ephemeral_level_two'],
package_name='root',
root_path='/usr/src/app',
refs=[],
sources=[],
depends_on=DependsOn(),
config=ephemeral_config,
tags=[],
path='ephemeral_level_two.sql',
original_file_path='ephemeral_level_two.sql',
raw_sql='select * from source_table',
checksum=FileHash.from_contents(''),
),
},
sources={},
docs={},
disabled=[],
files={},
exposures={},
selectors={},
)
compiler = dbt.compilation.Compiler(self.config)
result, _ = compiler._recursively_prepend_ctes(
manifest.nodes['model.root.view'],
manifest,
{}
)
self.assertEqual(result, manifest.nodes['model.root.view'])
self.assertTrue(result.extra_ctes_injected)
self.assertEqualIgnoreWhitespace(
result.compiled_sql,
('with __dbt__cte__ephemeral_level_two as ('
'select * from source_table'
'), __dbt__cte__ephemeral as ('
'select * from __dbt__cte__ephemeral_level_two'
') '
'select * from __dbt__cte__ephemeral'))
self.assertTrue(manifest.nodes['model.root.ephemeral'].compiled)
self.assertTrue(manifest.nodes['model.root.ephemeral_level_two'].compiled)
self.assertTrue(manifest.nodes['model.root.ephemeral'].extra_ctes_injected)
self.assertTrue(manifest.nodes['model.root.ephemeral_level_two'].extra_ctes_injected)
def parse_from_dict(self, dct, validate=True) -> ParsedModelNode:
if validate:
ParsedModelNode.validate(dct)
return ParsedModelNode.from_dict(dct)
def parse_from_dict(self, dct, validate=True) -> ParsedModelNode:
return ParsedModelNode.from_dict(dct, validate=validate)
def parse_manifest(
manifest: dict[str, Any]
) -> tuple[dict[str, ParsedModelNode | CompiledModelNode] | None,
dict[str, ParsedSeedNode | CompiledSeedNode] | None,
dict[str, ParsedGenericTestNode | CompiledGenericTestNode] | None,
dict[str, ParsedSourceDefinition] | None, ]:
"""
Parse the manifest.
Only V4 manifest is supported.
Parameters
----------
manifest : dict[str, Any]
The raw manifest.
Returns
-------
dbt manifest parsed into a tuple of dicts containing: models_nodes, seed_nodes, test_nodes and source_nodes.
Any of them may be `None` if they were not in the manifest.
Raises
------
NotImplementedError :
If the dbt schema is not equal to the V4 manifest
Source
------
https://docs.getdbt.com/reference/artifacts/manifest-json
"""
if manifest.get('nodes') is not None:
model_nodes = {
node_name: CompiledModelNode(**node)
if "compiled" in node.keys() else ParsedModelNode(**node)
for node_name, node in manifest["nodes"].items()
if node["resource_type"] == NodeType.Model
}
seed_nodes = {
node_name: CompiledSeedNode(**node)
if "compiled" in node.keys() else ParsedSeedNode(**node)
for node_name, node in manifest["nodes"].items()
if node["resource_type"] == NodeType.Seed
}
test_nodes = {}
for node_name, node in manifest["nodes"].items():
if node["resource_type"] == NodeType.Test:
if "test_metadata" in node.keys():
if "compiled" in node.keys():
node = CompiledGenericTestNode(**node)
else:
node = ParsedGenericTestNode(**node)
test_nodes[node_name] = node
else:
logger.info(f"Ignoring unsupported {node_name}")
else:
model_nodes = None
seed_nodes = None
test_nodes = None
if manifest.get('sources') is not None:
source_nodes: Optional[dict] = {
source_name: ParsedSourceDefinition(**source)
for source_name, source in manifest["sources"].items()
if source['resource_type'] == NodeType.Source
}
else:
source_nodes = None
return model_nodes, seed_nodes, test_nodes, source_nodes
def setUp(self):
dbt.flags.STRICT_MODE = True
self.maxDiff = None
self.model_config = NodeConfig.from_dict({
'enabled': True,
'materialized': 'view',
'persist_docs': {},
'post-hook': [],
'pre-hook': [],
'vars': {},
'quoting': {},
'column_types': {},
'tags': [],
})
self.nested_nodes = {
'model.snowplow.events':
ParsedModelNode(name='events',
database='dbt',
schema='analytics',
alias='events',
resource_type=NodeType.Model,
unique_id='model.snowplow.events',
fqn=['snowplow', 'events'],
package_name='snowplow',
refs=[],
sources=[],
depends_on=DependsOn(),
config=self.model_config,
tags=[],
path='events.sql',
original_file_path='events.sql',
root_path='',
raw_sql='does not matter'),
'model.root.events':
ParsedModelNode(name='events',
database='dbt',
schema='analytics',
alias='events',
resource_type=NodeType.Model,
unique_id='model.root.events',
fqn=['root', 'events'],
package_name='root',
refs=[],
sources=[],
depends_on=DependsOn(),
config=self.model_config,
tags=[],
path='events.sql',
original_file_path='events.sql',
root_path='',
raw_sql='does not matter'),
'model.root.dep':
ParsedModelNode(name='dep',
database='dbt',
schema='analytics',
alias='dep',
resource_type=NodeType.Model,
unique_id='model.root.dep',
fqn=['root', 'dep'],
package_name='root',
refs=[['events']],
sources=[],
depends_on=DependsOn(nodes=['model.root.events']),
config=self.model_config,
tags=[],
path='multi.sql',
original_file_path='multi.sql',
root_path='',
raw_sql='does not matter'),
'model.root.nested':
ParsedModelNode(name='nested',
database='dbt',
schema='analytics',
alias='nested',
resource_type=NodeType.Model,
unique_id='model.root.nested',
fqn=['root', 'nested'],
package_name='root',
refs=[['events']],
sources=[],
depends_on=DependsOn(nodes=['model.root.dep']),
config=self.model_config,
tags=[],
path='multi.sql',
original_file_path='multi.sql',
root_path='',
raw_sql='does not matter'),
'model.root.sibling':
ParsedModelNode(name='sibling',
database='dbt',
schema='analytics',
alias='sibling',
resource_type=NodeType.Model,
unique_id='model.root.sibling',
fqn=['root', 'sibling'],
package_name='root',
refs=[['events']],
sources=[],
depends_on=DependsOn(nodes=['model.root.events']),
config=self.model_config,
tags=[],
path='multi.sql',
original_file_path='multi.sql',
root_path='',
raw_sql='does not matter'),
'model.root.multi':
ParsedModelNode(
name='multi',
database='dbt',
schema='analytics',
alias='multi',
resource_type=NodeType.Model,
unique_id='model.root.multi',
fqn=['root', 'multi'],
package_name='root',
refs=[['events']],
sources=[],
depends_on=DependsOn(
nodes=['model.root.nested', 'model.root.sibling']),
config=self.model_config,
tags=[],
path='multi.sql',
original_file_path='multi.sql',
root_path='',
raw_sql='does not matter'),
}
for node in self.nested_nodes.values():
node.validate(node.to_dict())