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chart none data #2538

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Merged
FredLL-Avaiga merged 1 commit into from
Apr 4, 2025
Merged

chart none data #2538

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2 changes: 1 addition & 1 deletion taipy/gui/utils/chart_config_builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -115,7 +115,7 @@ def __get_col_from_indexed(col_name: str, idx: int) -> t.Optional[str]:
def _build_chart_config( # noqa: C901
gui: "Gui", attributes: t.Dict[str, t.Any], cols_descriptions_list: t.List[t.Dict[str, t.Dict[str, str]]]
):
if "data" not in attributes and "figure" in attributes:
if ("data" not in attributes and "figure" in attributes) or (attributes.get("data") is None):
return {"traces": []}
default_type = attributes.get("_default_type", "scatter")
default_mode = attributes.get("_default_mode", "lines+markers")
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18 changes: 18 additions & 0 deletions tests/gui/builder/control/test_chart.py
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Original file line number Diff line number Diff line change
Expand Up @@ -276,3 +276,21 @@ def test_chart_multi_data(gui: Gui, helpers, csvdata):
]
gui._set_frame(inspect.currentframe())
helpers.test_control_builder(gui, page, expected_list)


def test_chart_none_data(gui: Gui, helpers):
data=None # noqa: F841
with tgb.Page(frame=None) as page:
tgb.chart( # type: ignore[attr-defined]
data="{data}",
)
expected_list = [
"<Chart",
"data={_TpD_tpec_TpExPr_data_TPMDL_0}",
'dataVarNames=""',
'defaultConfig="{&quot;traces&quot;: []}"',
'libClassName="taipy-chart"',
'updateVarName="_TpD_tpec_TpExPr_data_TPMDL_0"',
]
gui._set_frame(inspect.currentframe())
helpers.test_control_builder(gui, page, expected_list)
16 changes: 16 additions & 0 deletions tests/gui/control/test_chart.py
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Original file line number Diff line number Diff line change
Expand Up @@ -219,6 +219,7 @@ def test_chart_indexed_properties_with_arrays(gui: Gui, helpers):
]
helpers.test_control_md(gui, md, expected_list)


def test_chart_multi_data(gui: Gui, helpers, csvdata):
md_string = "<|{csvdata}|chart|x=Day|y=Daily hospital occupancy|data[1]={csvdata}|>"
expected_list = [
Expand All @@ -230,3 +231,18 @@ def test_chart_multi_data(gui: Gui, helpers, csvdata):
]
gui._set_frame(inspect.currentframe())
helpers.test_control_md(gui, md_string, expected_list)


def test_chart_none_data(gui: Gui, helpers):
data = None # noqa: F841
md_string = "<|{data}|chart|>"
expected_list = [
"<Chart",
"data={_TpD_tpec_TpExPr_data_TPMDL_0}",
'dataVarNames=""',
'defaultConfig="{&quot;traces&quot;: []}"',
'libClassName="taipy-chart"',
'updateVarName="_TpD_tpec_TpExPr_data_TPMDL_0"',
]
gui._set_frame(inspect.currentframe())
helpers.test_control_md(gui, md_string, expected_list)
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