Correct import of material from json

src/compmec/section/dataio.py

@@ -79,7 +79,7 @@ def read_material_json(filepath: str) -> Dict:
     folder = resources.files("compmec.section")
     schema_path = str(folder.joinpath(schema_name))
     data = read_json(filepath, schema_path)
-    for key in data.keys():
+    for key in tuple(data.keys()):
         if key != "materials":
             data.pop(key)
     return data
@@ -100,7 +100,7 @@ def read_curve_json(filepath: str) -> Dict:
     folder = resources.files("compmec.section")
     schema_path = str(folder.joinpath(schema_name))
     data = read_json(filepath, schema_path)
-    for key in data.keys():
+    for key in tuple(data.keys()):
         if key not in ["nodes", "curves"]:
             data.pop(key)
     return data

src/compmec/section/material.py

@@ -12,14 +12,15 @@ class Material(object):
     @classmethod
     def from_json(cls, filepath: str) -> Dict[str, Material]:
         data = dataio.read_material_json(filepath)
+        data = data["materials"]
         materials = {}
         for name, info in data.items():
             materials[name] = cls.from_dict(info)
         return materials
 
     @classmethod
     def from_dict(cls, info: Dict) -> Material:
-        material = Isotropic(info)
+        material = Isotropic(**info)
         return material
 
     def to_dict(self) -> Dict:

tests/test_material.py

@@ -1,7 +1,7 @@
 import pytest
 
 from compmec.section import material
-
+import os
 
 @pytest.mark.order(1)
 @pytest.mark.dependency()
@@ -62,7 +62,30 @@ def test_end(self):
         pass
 
 
+class TestFromJson:
+    @pytest.mark.order(1)
+    @pytest.mark.dependency(depends=["TestIsotropic::test_end"])
+    def test_begin(self):
+        pass
+
+    @pytest.mark.order(1)
+    @pytest.mark.timeout(1)
+    @pytest.mark.dependency(depends=["TestFromJson::test_begin"])
+    def test_main(self):
+        folder = os.getcwd()
+        json_filepath = "tests/json/steel_square.json"
+        mats = material.Isotropic.from_json(json_filepath)
+        steel = mats["steel"]
+        assert steel.young_modulus == 210e+3
+        assert steel.poissons_ratio == 0.3
+
+    @pytest.mark.order(1)
+    @pytest.mark.dependency(depends=["TestFromJson::test_main"])
+    def test_end(self):
+        pass
+
+
 @pytest.mark.order(1)
-@pytest.mark.dependency(depends=["TestIsotropic::test_end"])
+@pytest.mark.dependency(depends=["TestIsotropic::test_end", "TestFromJson::test_end"])
 def test_end():
     pass