feat: (#493) add helpers to dynamic form widgets

tests/unit_tests/test_pydantic_model_form.py

@@ -0,0 +1,83 @@
+from decimal import Decimal
+
+import pytest
+from pydantic import BaseModel, Field
+
+from bec_widgets.utils.forms_from_types.forms import PydanticModelForm
+from bec_widgets.utils.forms_from_types.items import (
+    BoolMetadataField,
+    DynamicFormItem,
+    FloatDecimalMetadataField,
+    IntMetadataField,
+    StrMetadataField,
+)
+
+# pylint: disable=no-member
+# pylint: disable=missing-function-docstring
+# pylint: disable=redefined-outer-name
+# pylint: disable=protected-access
+
+
+class ExampleSchema(BaseModel):
+    str_optional: str | None = Field(
+        None, title="Optional string", description="an optional string", max_length=23
+    )
+    str_required: str
+    bool_optional: bool | None = Field(None)
+    bool_required_default: bool = Field(True)
+    bool_required_nodefault: bool = Field()
+    int_default: int = Field(123)
+    int_nodefault_optional: int | None = Field(lt=-1, ge=-44)
+    float_nodefault: float
+    decimal_dp_limits_nodefault: Decimal = Field(decimal_places=2, gt=1, le=34.5)
+
+
+TEST_DICT = {
+    "sample_name": "test name",
+    "str_optional": None,
+    "str_required": "something",
+    "bool_optional": None,
+    "bool_required_default": True,
+    "bool_required_nodefault": False,
+    "int_default": 21,
+    "int_nodefault_optional": -10,
+    "float_nodefault": 123.456,
+    "decimal_dp_limits_nodefault": 34.5,
+}
+
+
+@pytest.fixture
+def example_md():
+    return ExampleSchema.model_validate(TEST_DICT)
+
+
+@pytest.fixture
+def model_widget():
+    widget = PydanticModelForm(data_model=ExampleSchema)
+    widget.populate()
+    yield widget
+    widget._clear_grid()
+    widget.deleteLater()
+
+
+def test_widget_dict(model_widget: PydanticModelForm):
+    assert isinstance(model_widget.widget_dict["str_optional"], StrMetadataField)
+    assert isinstance(model_widget.widget_dict["float_nodefault"], FloatDecimalMetadataField)
+    assert isinstance(model_widget.widget_dict["int_default"], IntMetadataField)
+
+
+def test_widget_set_data(model_widget: PydanticModelForm):
+    data = ExampleSchema.model_validate(TEST_DICT)
+    model_widget.set_data(data)
+    for key in [
+        "str_optional",
+        "str_required",
+        "bool_optional",
+        "bool_required_default",
+        "bool_required_nodefault",
+        "int_default",
+        "int_nodefault_optional",
+        "float_nodefault",
+        "decimal_dp_limits_nodefault",
+    ]:
+        assert model_widget.widget_dict[key].getValue() == TEST_DICT[key]