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"""Unit tests for the breadth expansion: new components and the new props added to existing components. These assert the Element shape produced by each factory (type, props, children, dropped ``None`` defaults), which is the platform-agnostic contract the native handlers consume. """ from __future__ import annotations import pytest from pythonnative.components import ( ActivityIndicator, Checkbox, DatePicker, FlatList, Image, ImageBackground, Modal, Pressable, PressState, ProgressBar, Ripple, ScrollView, SegmentedControl, StatusBar, Text, TextInput, TouchableOpacity, View, WebView, ) from pythonnative.components._base import _SpanPressDispatcher # ====================================================================== # TouchableOpacity # ====================================================================== def test_touchable_opacity_is_pressable_with_active_opacity() -> None: cb = lambda: None # noqa: E731 el = TouchableOpacity(Text("Tap"), on_press=cb, active_opacity=0.3) assert el.type == "Pressable" assert el.props["pressed_opacity"] == 0.3 assert el.props["on_press"] is cb assert el.props["accessibility_role"] == "button" assert len(el.children) == 1 def test_touchable_opacity_disabled_forwards_disabled_and_dims() -> None: cb = lambda: None # noqa: E731 el = TouchableOpacity(Text("Tap"), on_press=cb, disabled=True) assert el.props["disabled"] is True assert el.props["accessibility_state"] == {"disabled": True} assert el.props["opacity"] == 0.4 # ====================================================================== # Pressable: disabled, delay, ripple, callable child # ====================================================================== def test_pressable_disabled_sets_prop_and_accessibility_state() -> None: el = Pressable(Text("Save"), on_press=lambda: None, disabled=True) assert el.props["disabled"] is True assert el.props["accessibility_state"] == {"disabled": True} # The user's explicit state wins. el2 = Pressable(Text("Save"), disabled=True, accessibility_state={"selected": True}) assert el2.props["accessibility_state"] == {"selected": True} assert "disabled" not in Pressable(Text("Save")).props def test_pressable_delay_long_press_and_ripple() -> None: el = Pressable(Text("Hold"), delay_long_press=400, android_ripple=Ripple(color="#33000000", borderless=True)) assert el.props["delay_long_press"] == 400 assert el.props["android_ripple"] == {"color": "#33000000", "borderless": True, "radius": None, "foreground": False} assert "delay_long_press" not in Pressable(Text("Hold")).props with pytest.raises(TypeError, match="pn.Ripple"): Pressable(Text("Hold"), android_ripple={"color": "#000"}) # type: ignore[arg-type] def test_pressable_callable_child_becomes_stateful_composite() -> None: el = Pressable(lambda state: Text("Pressed" if state.pressed else "Idle"), on_press=lambda: None) assert callable(el.type) assert el.children == () with pytest.raises(TypeError, match="single callable child"): Pressable(Text("a"), lambda state: Text("b")) def test_press_state_is_frozen() -> None: state = PressState(pressed=True) assert state.pressed is True with pytest.raises(Exception): state.pressed = False # type: ignore[misc] # ====================================================================== # Text: truncation, selection, pressable spans # ====================================================================== def test_text_truncation_and_selection_props() -> None: on_press = lambda: None # noqa: E731 el = Text("Hello", ellipsize_mode="middle", selectable=True, allow_font_scaling=False, on_press=on_press) assert el.props["ellipsize_mode"] == "middle" assert el.props["selectable"] is True assert el.props["allow_font_scaling"] is False assert el.props["on_press"] is on_press plain = Text("Hello") for key in ("ellipsize_mode", "selectable", "allow_font_scaling", "on_press", "on_span_press"): assert key not in plain.props def test_text_nested_span_press_is_flagged_and_routed_by_index() -> None: pressed: list = [] el = Text( "Read the ", Text("terms", on_press=lambda: pressed.append("terms"), style={"color": "#06F"}), " and ", Text("policy", on_press=lambda: pressed.append("policy")), ".", ) spans = el.props["spans"] assert [s.get("pressable") for s in spans] == [None, True, None, True, None] assert spans[1] == {"text": "terms", "color": "#06F", "pressable": True} assert "on_press" not in el.props dispatcher = el.props["on_span_press"] assert isinstance(dispatcher, _SpanPressDispatcher) dispatcher(1) dispatcher(3) dispatcher(0) dispatcher(99) assert pressed == ["terms", "policy"] def test_text_pressable_span_inherits_through_nesting() -> None: hits: list = [] inner = Text("deep", on_press=lambda: hits.append("deep")) middle = Text("mid ", inner, on_press=lambda: hits.append("mid")) el = Text("outer ", middle) spans = el.props["spans"] assert [s["text"] for s in spans] == ["outer ", "mid ", "deep"] assert [s.get("pressable") for s in spans] == [None, True, True] el.props["on_span_press"](1) el.props["on_span_press"](2) assert hits == ["mid", "deep"] # ====================================================================== # Accessibility surface shared by every view # ====================================================================== def test_accessibility_value_actions_and_importance_flow_to_props() -> None: on_action = lambda _name: None # noqa: E731 el = View( accessibility_value={"min": 0, "max": 10, "now": 3}, accessibility_actions=[{"name": "increment"}, {"name": "archive", "label": "Archive"}], on_accessibility_action=on_action, important_for_accessibility="no_hide_descendants", ) assert el.props["accessibility_value"] == {"min": 0, "max": 10, "now": 3} assert el.props["accessibility_actions"] == [{"name": "increment"}, {"name": "archive", "label": "Archive"}] assert el.props["on_accessibility_action"] is on_action assert el.props["important_for_accessibility"] == "no_hide_descendants" assert Text("x", accessibility_value="3 of 10").props["accessibility_value"] == "3 of 10" plain = View() for key in ("accessibility_value", "accessibility_actions", "important_for_accessibility"): assert key not in plain.props @pytest.mark.parametrize("factory", [Text, TextInput, Image, Checkbox, SegmentedControl, DatePicker]) def test_every_view_factory_accepts_the_accessibility_surface(factory) -> None: # type: ignore[no-untyped-def] el = factory( accessibility_value="v", accessibility_actions=[{"name": "activate"}], on_accessibility_action=lambda _n: None, important_for_accessibility="yes", ) assert el.props["accessibility_value"] == "v" assert el.props["important_for_accessibility"] == "yes" # ====================================================================== # Image, StatusBar # ====================================================================== def test_image_load_lifecycle_fade_and_headers() -> None: start = lambda: None # noqa: E731 end = lambda: None # noqa: E731 el = Image( "https://example.com/a.png", on_load_start=start, on_load_end=end, fade_duration=300, headers={"Authorization": "Bearer x"}, ) assert el.props["on_load_start"] is start assert el.props["on_load_end"] is end assert el.props["fade_duration"] == 300 assert el.props["headers"] == {"Authorization": "Bearer x"} plain = Image("a.png") for key in ("on_load_start", "on_load_end", "fade_duration", "headers"): assert key not in plain.props def test_status_bar_translucent_and_animated() -> None: el = StatusBar(translucent=True, animated=True) assert el.props == {"translucent": True, "animated": True} assert StatusBar().props == {} # ====================================================================== # ImageBackground # ====================================================================== def test_image_background_layers_image_then_content() -> None: el = ImageBackground(Text("Overlay"), source="bg.png") assert el.type == "View" assert len(el.children) == 2 background, content = el.children assert background.type == "Image" assert background.props["source"] == "bg.png" assert background.props["scale_type"] == "cover" assert background.props["position"] == "absolute" assert background.props["top"] == 0 assert content.type == "View" assert content.children[0].props["text"] == "Overlay" def test_image_background_respects_explicit_scale_type() -> None: el = ImageBackground(source="bg.png", scale_type="contain") assert el.children[0].props["scale_type"] == "contain" # ====================================================================== # Checkbox # ====================================================================== def test_checkbox_props_and_default_role() -> None: cb = lambda _v: None # noqa: E731 el = Checkbox(value=True, on_change=cb, label="Accept", color="#FF0000") assert el.type == "Checkbox" assert el.props["value"] is True assert el.props["on_change"] is cb assert el.props["label"] == "Accept" assert el.props["color"] == "#FF0000" assert el.props["accessibility_role"] == "checkbox" def test_checkbox_disabled_flag_dropped_when_false() -> None: el = Checkbox(value=False) assert "disabled" not in el.props assert el.props["value"] is False # ====================================================================== # SegmentedControl # ====================================================================== def test_segmented_control_props() -> None: cb = lambda _i: None # noqa: E731 el = SegmentedControl(segments=["Day", "Week", "Month"], selected_index=1, on_change=cb) assert el.type == "SegmentedControl" assert el.props["segments"] == ["Day", "Week", "Month"] assert el.props["selected_index"] == 1 assert el.props["on_change"] is cb def test_segmented_control_defaults_empty() -> None: el = SegmentedControl() assert el.props["segments"] == [] assert el.props["selected_index"] == 0 # ====================================================================== # DatePicker # ====================================================================== def test_date_picker_props_and_default_role() -> None: cb = lambda _v: None # noqa: E731 el = DatePicker(value="2026-05-31", mode="date", on_change=cb, minimum="2026-01-01") assert el.type == "DatePicker" assert el.props["value"] == "2026-05-31" assert el.props["mode"] == "date" assert el.props["on_change"] is cb assert el.props["minimum"] == "2026-01-01" assert el.props["accessibility_role"] == "button" def test_date_picker_time_mode() -> None: el = DatePicker(mode="time") assert el.props["mode"] == "time" # ====================================================================== # Enriched existing components # ====================================================================== def test_progress_bar_color_and_indeterminate() -> None: el = ProgressBar(value=0.5, color="#00FF00", track_color="#EEEEEE", indeterminate=True) assert el.props["value"] == 0.5 assert el.props["color"] == "#00FF00" assert el.props["track_color"] == "#EEEEEE" assert el.props["indeterminate"] is True def test_progress_bar_indeterminate_dropped_when_false() -> None: el = ProgressBar(value=0.25) assert "indeterminate" not in el.props def test_activity_indicator_color_and_size() -> None: el = ActivityIndicator(color="#123456", size="large") assert el.props["color"] == "#123456" assert el.props["size"] == "large" def test_web_view_html_and_callbacks() -> None: on_load = lambda _u: None # noqa: E731 on_message = lambda _m: None # noqa: E731 el = WebView(html="

Hi

", on_load=on_load, on_message=on_message, inject_javascript="1;") assert el.props["html"] == "

Hi

" assert el.props["on_load"] is on_load assert el.props["on_message"] is on_message assert el.props["inject_javascript"] == "1;" def test_web_view_scroll_enabled_dropped_when_true() -> None: el = WebView(url="https://example.com") assert "scroll_enabled" not in el.props el2 = WebView(url="https://example.com", scroll_enabled=False) assert el2.props["scroll_enabled"] is False def test_text_input_new_props() -> None: on_focus = lambda: None # noqa: E731 on_blur = lambda: None # noqa: E731 el = TextInput( value="x", editable=False, clear_button=True, on_focus=on_focus, on_blur=on_blur, selection_color="#FF00FF", text_content_type="password", ) assert el.props["editable"] is False assert el.props["clear_button"] is True assert el.props["on_focus"] is on_focus assert el.props["on_blur"] is on_blur assert el.props["selection_color"] == "#FF00FF" assert el.props["text_content_type"] == "password" def test_text_input_editable_dropped_when_true() -> None: el = TextInput(value="x") assert "editable" not in el.props assert "clear_button" not in el.props def test_text_input_selection_key_and_keyboard_props() -> None: on_selection_change = lambda _e: None # noqa: E731 on_key_press = lambda _e: None # noqa: E731 on_content_size_change = lambda _e: None # noqa: E731 el = TextInput( value="hello", selection=(1, 3), on_selection_change=on_selection_change, on_key_press=on_key_press, on_content_size_change=on_content_size_change, select_text_on_focus=True, blur_on_submit=False, keyboard_appearance="dark", keyboard_type="numbers_and_punctuation", ) assert el.props["selection"] == {"start": 1, "end": 3} assert el.props["on_selection_change"] is on_selection_change assert el.props["on_key_press"] is on_key_press assert el.props["on_content_size_change"] is on_content_size_change assert el.props["select_text_on_focus"] is True assert el.props["blur_on_submit"] is False assert el.props["keyboard_appearance"] == "dark" assert el.props["keyboard_type"] == "numbers_and_punctuation" def test_text_input_new_defaults_are_omitted() -> None: el = TextInput(value="x") for key in ("selection", "select_text_on_focus", "blur_on_submit", "keyboard_appearance"): assert key not in el.props def test_text_input_rejects_inverted_selection() -> None: with pytest.raises(ValueError, match="start

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