TEST: add unit test for read materials

tests/legacy/unit/test_materials.py

@@ -0,0 +1,79 @@
+import builtins
+from unittest.mock import mock_open
+import pytest
+from mock import patch, MagicMock
+from pyedb.legacy.edb_core.materials import Materials
+
+pytestmark = [pytest.mark.unit, pytest.mark.no_licence, pytest.mark.legacy]
+
+MATERIALS = """
+$begin 'Polyflon CuFlon (tm)'
+  $begin 'AttachedData'
+    $begin 'MatAppearanceData'
+      property_data='appearance_data'
+      Red=230
+      Green=225
+      Blue=220
+    $end 'MatAppearanceData'
+  $end 'AttachedData'
+  simple('permittivity', 2.1)
+  simple('dielectric_loss_tangent', 0.00045)
+  ModTime=1499970477
+$end 'Polyflon CuFlon (tm)'
+$begin 'Water(@360K)'
+  $begin 'MaterialDef'
+    $begin 'Water(@360K)'
+      CoordinateSystemType='Cartesian'
+      BulkOrSurfaceType=1
+      $begin 'PhysicsTypes'
+        set('Thermal')
+      $end 'PhysicsTypes'
+      $begin 'AttachedData'
+        $begin 'MatAppearanceData'
+          property_data='appearance_data'
+          Red=0
+          Green=128
+          Blue=255
+          Transparency=0.8
+        $end 'MatAppearanceData'
+      $end 'AttachedData'
+      thermal_conductivity='0.6743'
+      mass_density='967.4'
+      specific_heat='4206'
+      thermal_expansion_coeffcient='0.0006979'
+      $begin 'thermal_material_type'
+        property_type='ChoiceProperty'
+        Choice='Fluid'
+      $end 'thermal_material_type'
+      $begin 'clarity_type'
+        property_type='ChoiceProperty'
+        Choice='Transparent'
+      $end 'clarity_type'
+      material_refractive_index='1.333'
+      diffusivity='1.657e-007'
+      molecular_mass='0.018015'
+      viscosity='0.000324'
+      ModTime=1592011950
+    $end 'Water(@360K)'
+  $end 'MaterialDef'
+$end 'Water(@360K)'
+"""
+
+class TestClass:
+    @pytest.fixture(autouse=True)
+    def init(self):
+        self.materials = Materials(MagicMock())
+
+    @patch.object(builtins, "open", new_callable=mock_open, read_data=MATERIALS)
+    def test_materials_read_materials(self, mock_file_open):
+        """Read materials from an amat file."""
+        expected_res = {
+            "Polyflon CuFlon (tm)": {"permittivity": 2.1, "tangent_delta": 0.00045},
+            "Water(@360K)": {"thermal_conductivity": 0.6743,
+                             "mass_density": 967.4,
+                             "specific_heat": 4206,
+                             "thermal_expansion_coeffcient": 0.0006979
+                             }
+        }
+        mats = self.materials.read_materials("some path")
+        assert mats == expected_res