added quick tests for electrolyzer resizing based on steel demand

tests/greenheart/test_electrolyzer_resizing.py

@@ -0,0 +1,24 @@
+import os
+from hopp.utilities import load_yaml
+import greenheart.tools.plant_sizing_estimation as gh_sizing
+dirname = os.path.dirname(__file__)
+input_library_path = os.path.join(dirname, "test_hydrogen","input_files","plant")
+greenheart_config_filename = os.path.join(input_library_path,"GS_greenheart_config.yaml")
+greenheart_config = load_yaml(greenheart_config_filename)
+
+greenheart_config["end_use"]['estimated_cf'] = 0.9
+greenheart_config["end_use"]['annual_production_target'] = 1000000
+greenheart_config["end_use"]["product"] = 'steel'
+
+def test_electrolyzer_size_from_steel_gridconnected():
+    greenheart_config["project_parameters"]["grid_connection"] = True
+    greenheart_config["component_sizing"]["hybrid_cf_est"] = 1.0
+    gh_test = gh_sizing.run_resizing_estimation(greenheart_config)
+    assert gh_test["electrolyzer"]["rating"] == 480
+
+def test_electrolyzer_size_from_steel_offgrid():
+    greenheart_config["project_parameters"]["grid_connection"] = False
+    greenheart_config["component_sizing"]["hybrid_cf_est"] = 0.492
+    gh_test = gh_sizing.run_resizing_estimation(greenheart_config)
+    assert gh_test["electrolyzer"]["rating"] == 960
+