test for materials builder

tests/emmet-builders/test_materials.py

@@ -0,0 +1,34 @@
+import pytest
+from maggma.stores import JSONStore, MemoryStore
+
+from emmet.builders.vasp.task_validator import TaskValidator
+from emmet.builders.vasp.materials import MaterialsBuilder
+
+
+@pytest.fixture(scope="session")
+def tasks_store(test_dir):
+    return JSONStore(test_dir / "test_si_tasks.json.gz")
+
+
+@pytest.fixture(scope="session")
+def validation_store(tasks_store):
+    validation_store = MemoryStore()
+    builder = TaskValidator(tasks=tasks_store, task_validation=validation_store)
+    builder.run()
+    return validation_store
+
+
+@pytest.fixture
+def materials_store():
+    return MemoryStore()
+
+
+def test_materials_builder(tasks_store, validation_store, materials_store):
+
+    builder = MaterialsBuilder(
+        tasks=tasks_store, task_validation=validation_store, materials=materials_store
+    )
+    builder.run()
+    assert materials_store.count() == 1
+    print(materials_store.query_one())
+    assert materials_store.count({"deprecated": False}) == 1