Feat: test consume_flux

dashboard/libs/flux/flux.py

@@ -25,7 +25,7 @@ class Flux(BaseModel):
 
 
 class State(BaseModel):
-    statuses: dict[str, str]
+    statuses: dict[str, dict]
     qty_out: int
     failed_lines: list[str]
     start: datetime

tests/test_flux.py

@@ -1,6 +1,7 @@
 import pandas as pd
 import pytest
 
+from dashboard.libs.flux.flux import Flux, consume_flux
 from dashboard.libs.repository.repository import AbstractRepository
 
 FakeTable = pd.DataFrame
@@ -43,7 +44,17 @@ class FakeRepository(AbstractRepository):
 
     def write(self, content, table, schema) -> dict[str, str]:
         """Write content into the table"""
-        self._schemas[schema][table]["df"] = content
+        try:
+            self._schemas[schema][table]["df"] = content
+        except KeyError:
+            self._schemas[schema][table] = {
+                "df": content,
+                "metadata": {
+                    "status": "new",
+                    "qty_read": 0,
+                    "qty_write": 0,
+                },
+            }
         self._schemas[schema][table]["metadata"]["status"] = "modified"
         self._schemas[schema][table]["metadata"]["qty_write"] += 1
         return self.infos(table, schema)
@@ -86,3 +97,35 @@ def test_fakerepository():
         "qty_read": 1,
         "qty_write": 1,
     }
+
+
+def test_consume_flux():
+    source_repository = FakeRepository(
+        {
+            "source": {
+                "table1": pd.DataFrame({"A": [1, 2, 3]}),
+            },
+        }
+    )
+    dest_repository = FakeRepository(
+        {
+            "destination": {},
+        }
+    )
+    repositories = {
+        "source": source_repository,
+        "dest": dest_repository,
+    }
+    transformation = lambda dfs: {"dest": dfs[0] * 2}
+
+    flux = Flux(
+        sources=[{"repository": "source", "schema": "source", "table": "table1"}],
+        destinations={
+            "dest": {"repository": "dest", "schema": "destination", "table": "table1"}
+        },
+        transformation=transformation,
+    )
+
+    state = consume_flux(flux, repositories)
+    assert state.statuses["dest"] == {'status': 'modified', 'qty_read': 0, 'qty_write': 1}
+    assert dest_repository.read("table1", "destination").equals(pd.DataFrame({"A": [2, 4, 6]}))