refact: move Transformation to flux model

tests/compute/test_consume_flux.py

@@ -1,7 +1,6 @@
 from plesna.compute.consume_flux import consume_flux
-from plesna.models.flux import Flux
+from plesna.models.flux import Flux, Transformation
 from plesna.models.storage import Table
-from plesna.models.transformation import Transformation
 
 
 def test_consume_flux():
@@ -24,7 +23,7 @@ def test_consume_flux():
     flux = Flux(
         sources=sources,
         targets=targets,
-        transformation=Transformation(function=func, extra_kwrds={"extra": "super"}),
+        transformation=Transformation(name="func", function=func, extra_kwrds={"extra": "super"}),
     )
 
     meta = consume_flux(flux)

tests/dataplatform/test_dataplateform.py

@@ -4,9 +4,8 @@ from pathlib import Path
 import pytest
 
 from plesna.dataplatform import DataPlateform
-from plesna.graph.graph import Node
-from plesna.models.flux import Flux
-from plesna.models.transformation import Transformation
+from plesna.models.graphs import Node
+from plesna.models.flux import Flux, Transformation
 from plesna.storage.repository.fs_repository import FSRepository
 
 FIXTURE_DIR = Path(__file__).parent.parent / Path("raw_datas")
@@ -55,7 +54,7 @@ def copy_flux(repository: FSRepository) -> Flux:
     raw_brz_copy_username = Flux(
         sources=raw_username,
         targets=bronze_username,
-        transformation=Transformation(function=copy, extra_kwrds=extra_kwrds),
+        transformation=Transformation(name="copy", function=copy, extra_kwrds=extra_kwrds),
     )
     return raw_brz_copy_username
 
@@ -76,7 +75,7 @@ def foo_flux(repository: FSRepository) -> Flux:
     flux = Flux(
         sources=src,
         targets=targets,
-        transformation=Transformation(function=foo, extra_kwrds=extra_kwrds),
+        transformation=Transformation(name="foo", function=foo, extra_kwrds=extra_kwrds),
     )
     return flux