Adding Test Coverage to Cover the fields.py file for LayerField and LayerFieldsContainer Classes

tests/packet/test_fields.py

@@ -0,0 +1,98 @@
+import pytest
+from pyshark.packet.fields import LayerField, LayerFieldsContainer
+
+# Unit Tests - Layer Fields
+# **************************************************************************
+def test_layer_field_hide():
+    hide_yes = LayerField(hide="yes")
+    hide_not_yes = LayerField(hide="not yes")
+    assert(hide_yes.hide == True and hide_not_yes.hide == False)
+
+def test_layer_field_print_format():
+    name = "test_name"
+    show = "test"
+    test_layer_field = LayerField(name=name, show=show)
+    str_layer_field = test_layer_field.__repr__()
+    assert(str_layer_field == f'<LayerField {name}: {show}>')
+
+def test_layer_field_default_value_show():
+    show = "test"
+    test_layer_field = LayerField(show=show)
+    default_value = test_layer_field.get_default_value()
+    assert(default_value == show)
+
+def test_layer_field_default_value_value():
+    value = "test"
+    test_layer_field = LayerField(value=value)
+    default_value = test_layer_field.get_default_value()
+    assert(default_value == value)
+
+def test_layer_field_default_value_showname():
+    showname = "test"
+    test_layer_field = LayerField(showname=showname)
+    default_value = test_layer_field.get_default_value()
+    assert(default_value == showname)
+
+def test_layer_field_showname_value():
+    value = "test_value"
+    showname = f"test: {value}"
+    test_layer_field = LayerField(showname=showname)
+    assert(value == test_layer_field.showname_value)
+
+def test_layer_field_showname_key():
+    key = "test_key"
+    showname = f"{key}: value"
+    test_layer_field = LayerField(showname=showname)
+    assert(key == test_layer_field.showname_key)
+
+def test_layer_field_showname_binary():
+    binary = b"\x124"
+    test_layer_field = LayerField(value="1234")
+    assert(binary == test_layer_field.binary_value)
+
+def test_layer_field_str_int_value():
+    str_int_value = "10"
+    int_value = 10
+    test_layer_field = LayerField(value=str_int_value)
+    assert(test_layer_field.int_value == int_value)
+
+def test_layer_field_hex_value():
+    test_int_value = "0x75BCD15"
+    expected_value = 123456789
+    test_layer_field = LayerField(value=test_int_value)
+    assert(test_layer_field.hex_value == expected_value)
+# ---------------------------------------------------------------------------
+
+# Test Data - Layer Fields Container
+# **************************************************************************
+test_layer_field = LayerField(name="test_field", value={"test": "value"})
+
+@pytest.fixture
+def layer_fields_container():
+    return LayerFieldsContainer(test_layer_field)
+# ---------------------------------------------------------------------------
+
+# Unit Tests - Layer Fields Container
+# **************************************************************************
+def test_layer_fields_container_adds_single_field(layer_fields_container):
+    new_field = LayerField(name="new_field", value={"new_test": "new_test_value"})
+    layer_fields_container.add_field(new_field)
+    fields = layer_fields_container.all_fields
+    assert(fields == [test_layer_field, new_field])
+
+def test_layer_fields_container_returns_all_fields(layer_fields_container):
+    fields = layer_fields_container.all_fields
+    assert(fields == [test_layer_field])
+
+def test_layer_fields_container_gets_main_field(layer_fields_container):
+    main_field = layer_fields_container.main_field
+    assert(main_field == test_layer_field)
+
+def test_layer_fields_container_gets_alternate_fields(layer_fields_container):
+    alternate_field_1 = LayerField(name="alt_field_1", value={"alt_field_1": "alt_value_1"})
+    alternate_field_2 = LayerField(name="alt_field_2", value={"alt_field_2": "alt_value_2"})
+    layer_fields_container.add_field(alternate_field_1)
+    layer_fields_container.add_field(alternate_field_2)
+    alternate_fields = layer_fields_container.alternate_fields
+    assert(alternate_fields == [alternate_field_1, alternate_field_2])
+# ---------------------------------------------------------------------------