diff --git a/tests/questionpy_sdk/webserver_legacy/test_data/qpy-urls.xhtml b/tests/questionpy_sdk/webserver_legacy/test_data/qpy-urls.xhtml
new file mode 100644
index 00000000..96a69523
--- /dev/null
+++ b/tests/questionpy_sdk/webserver_legacy/test_data/qpy-urls.xhtml
@@ -0,0 +1,9 @@
+
+
+
+
+
qpy://static/acme/example/some/link
+
qpy://static-private/acme/example/some/other/link
+
qpy://test/acme/example/broken/qpy-url
+
qpy://static/broken/example
+
diff --git a/tests/questionpy_sdk/webserver_legacy/test_data/shuffle.xhtml b/tests/questionpy_sdk/webserver_legacy/test_data/shuffle.xhtml
new file mode 100644
index 00000000..00847288
--- /dev/null
+++ b/tests/questionpy_sdk/webserver_legacy/test_data/shuffle.xhtml
@@ -0,0 +1,6 @@
+
+ Element 1
+ Element 2
+ Element 3
+ Element 4
+
diff --git a/tests/questionpy_sdk/webserver_legacy/test_data/shuffled-index.xhtml b/tests/questionpy_sdk/webserver_legacy/test_data/shuffled-index.xhtml
new file mode 100644
index 00000000..44c9c78c
--- /dev/null
+++ b/tests/questionpy_sdk/webserver_legacy/test_data/shuffled-index.xhtml
@@ -0,0 +1,16 @@
+
+
+
diff --git a/tests/questionpy_sdk/webserver_legacy/test_data/validations.xhtml b/tests/questionpy_sdk/webserver_legacy/test_data/validations.xhtml
new file mode 100644
index 00000000..28e77d39
--- /dev/null
+++ b/tests/questionpy_sdk/webserver_legacy/test_data/validations.xhtml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
+
diff --git a/tests/questionpy_sdk/webserver_legacy/test_form_data.py b/tests/questionpy_sdk/webserver_legacy/test_form_data.py
new file mode 100644
index 00000000..2ce907c6
--- /dev/null
+++ b/tests/questionpy_sdk/webserver_legacy/test_form_data.py
@@ -0,0 +1,30 @@
+# This file is part of the QuestionPy SDK. (https://questionpy.org)
+# The QuestionPy SDK is free software released under terms of the MIT license. See LICENSE.md.
+# (c) Technische Universität Berlin, innoCampus
+
+from questionpy_sdk.webserver_legacy._form_data import parse_form_data
+
+RAW_FORM_DATA = {
+ "general[input]": "my input ",
+ "general[radio]": "OPT_1",
+ "general[my_hidden]": "foo",
+ "general[my_repetition][qpy_repetition_marker]": "",
+ "general[my_repetition][1][qpy_repetition_item_marker]": "",
+ "general[my_repetition][1][role]": "OPT_1",
+ "general[my_repetition][1][name][first_name]": "John ",
+ "general[my_repetition][1][name][last_name]": "Doe",
+ "general[my_repetition][2][qpy_repetition_item_marker]": "",
+ "general[my_repetition][2][role]": "OPT_2",
+ "general[my_repetition][2][name][first_name]": "Max",
+ "general[my_repetition][2][name][last_name]": "Mustermann",
+ "general[my_select]": ["OPT_1", "OPT_2"],
+}
+REPETITION_REF = "general[my_repetition]"
+
+
+def test_parse_form_data_should_not_raise_if_valid() -> None:
+ parsed_form_data = parse_form_data(RAW_FORM_DATA)
+
+ assert isinstance(parsed_form_data["my_repetition"], list) # Repetition Element should be List
+ assert isinstance(parsed_form_data["my_select"], list) # Multi Select should be List
+ assert "general" not in parsed_form_data # Elements in 'general' should be at the root
diff --git a/tests/questionpy_sdk/webserver_legacy/test_question_ui.py b/tests/questionpy_sdk/webserver_legacy/test_question_ui.py
new file mode 100644
index 00000000..e8a2351b
--- /dev/null
+++ b/tests/questionpy_sdk/webserver_legacy/test_question_ui.py
@@ -0,0 +1,395 @@
+# This file is part of the QuestionPy SDK. (https://questionpy.org)
+# The QuestionPy SDK is free software released under terms of the MIT license. See LICENSE.md.
+# (c) Technische Universität Berlin, innoCampus
+from importlib import resources
+from typing import Any
+
+import pytest
+
+from questionpy_sdk.webserver_legacy.question_ui import (
+ InvalidAttributeValueError,
+ QuestionDisplayOptions,
+ QuestionDisplayRole,
+ QuestionFormulationUIRenderer,
+ QuestionMetadata,
+ QuestionUIRenderer,
+ XMLSyntaxError,
+)
+from questionpy_sdk.webserver_legacy.question_ui.errors import (
+ ConversionError,
+ InvalidCleanOptionError,
+ PlaceholderReferenceError,
+ RenderError,
+ UnknownElementError,
+)
+from tests.questionpy_sdk.webserver.conftest import assert_html_is_equal
+
+
+@pytest.fixture
+def xml_content(request: pytest.FixtureRequest) -> str | None:
+ marker = request.node.get_closest_marker("ui_file")
+
+ if marker is None:
+ return None
+
+ filename = f"{marker.args[0]}.xhtml"
+ ui_files = resources.files("tests.questionpy_sdk.webserver.test_data")
+
+ try:
+ return next(path for path in ui_files.iterdir() if path.name == filename).read_text()
+ except StopIteration as err:
+ raise FileNotFoundError(ui_files / filename) from err
+
+
+@pytest.fixture
+def renderer(request: pytest.FixtureRequest, xml_content: str | None) -> QuestionUIRenderer:
+ renderer_kwargs: dict[str, Any] = {
+ "placeholders": {},
+ "xml": xml_content,
+ "options": QuestionDisplayOptions(),
+ }
+
+ marker = request.node.get_closest_marker("render_params")
+ if marker is not None:
+ renderer_kwargs |= marker.kwargs
+
+ return QuestionUIRenderer(**renderer_kwargs)
+
+
+@pytest.mark.ui_file("metadata")
+def test_should_extract_correct_metadata(xml_content: str) -> None:
+ ui_renderer = QuestionFormulationUIRenderer(xml_content, {}, QuestionDisplayOptions())
+ question_metadata = ui_renderer.metadata
+
+ expected_metadata = QuestionMetadata()
+ expected_metadata.correct_response = {
+ "my_number": "42",
+ "my_select": "1",
+ "my_radio": "2",
+ "my_text": "Lorem ipsum dolor sit amet.",
+ }
+ expected_metadata.expected_data = {
+ "my_number": "Any",
+ "my_select": "Any",
+ "my_radio": "Any",
+ "my_text": "Any",
+ "my_button": "Any",
+ "only_lowercase_letters": "Any",
+ "between_5_and_10_chars": "Any",
+ }
+ expected_metadata.required_fields = ["my_number"]
+
+ assert question_metadata.correct_response == expected_metadata.correct_response
+ assert question_metadata.expected_data == expected_metadata.expected_data
+ assert question_metadata.required_fields == expected_metadata.required_fields
+
+
+@pytest.mark.ui_file("placeholder")
+@pytest.mark.render_params(
+ placeholders={
+ "param": "Value of param one.",
+ "description": "My simple description.",
+ }
+)
+def test_should_resolve_placeholders(renderer: QuestionUIRenderer) -> None:
+ expected = """
+
+
My simple description.
+ By default cleaned parameter: Value of param one.
+ Explicitly cleaned parameter: Value of param one.
+ Noclean parameter: Value of param one.
+ Plain parameter:
+ Value of param <b>one</b>.<script>'Oh no, danger!'</script>
+
+
+ {{ appStateStore.displayPageTitle }}
+ 
+ 
+