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# Copyright (c) DataLab Platform Developers, BSD 3-Clause license, see LICENSE file.
"""
Unit tests for TableResultBuilder (sigima.objects.scalar).
"""
from numpy import ma
from sigima.objects import (
NO_ROI,
SignalObj,
TableKind,
TableResultBuilder,
create_signal_roi,
)
from sigima.tests.data import create_paracetamol_signal, create_test_signal_rois
def create_dummy_signal() -> SignalObj:
"""Create a simple SignalObj with a single ROI."""
sig = create_paracetamol_signal()
roi = list(create_test_signal_rois(sig))[0]
sig.roi = roi
return sig
class TestTableResultBuilder:
"""Test class for TableResultBuilder basic functionality."""
def test_basic_functionality(self) -> None:
"""Test basic TableResultBuilder API with a SignalObj."""
sig = create_dummy_signal()
builder = TableResultBuilder("Signal Stats")
builder.add(ma.min, "min")
builder.add(ma.max, "max")
builder.add(ma.mean, "mean")
table = builder.compute(sig)
assert table.title == "Signal Stats"
# [None, ROI_0] x 3 stats
assert len(table.data) == 2 and len(table.data[0]) == 3
assert list(table.headers) == ["min", "max", "mean"]
assert table.roi_indices[0] == -1 # NO_ROI
assert table.roi_indices[1] == 0
# Check actual values
row_none = table.data[0]
row_roi = table.data[1]
assert isinstance(row_none[0], float)
assert isinstance(row_roi[1], float)
class TestTableResultBuilderHideColumns:
"""Test class for TableResultBuilder hide_columns functionality."""
def setup_method(self) -> None:
"""Set up test data for each test method."""
# pylint: disable=attribute-defined-outside-init
self.sig = create_dummy_signal()
def _create_basic_builder(self) -> TableResultBuilder:
"""Helper method to create a basic builder with standard columns."""
builder = TableResultBuilder("Signal Stats")
builder.add(ma.min, "min")
builder.add(ma.max, "max")
builder.add(ma.mean, "mean")
builder.add(ma.std, "std")
return builder
def _assert_display_preferences(
self, table, expected_prefs: dict[str, bool]
) -> None:
"""Helper method to check display preferences and visible headers."""
prefs = table.get_display_preferences()
assert prefs == expected_prefs
expected_visible = [name for name, visible in expected_prefs.items() if visible]
visible_headers = table.get_visible_headers()
assert set(visible_headers) == set(expected_visible)
def test_hide_some_columns(self) -> None:
"""Test hiding some columns."""
builder = self._create_basic_builder()
builder.hide_columns(["max", "std"])
table = builder.compute(self.sig)
assert table.title == "Signal Stats"
# All headers still present
assert list(table.headers) == ["min", "max", "mean", "std"]
self._assert_display_preferences(
table, {"min": True, "max": False, "mean": True, "std": False}
)
def test_hide_nonexistent_columns(self) -> None:
"""Test hiding non-existent columns."""
builder = TableResultBuilder("Signal Stats")
builder.add(ma.min, "min")
builder.add(ma.max, "max")
# Try to hide non-existent column - should not cause error
builder.hide_columns(["nonexistent", "min"])
table = builder.compute(self.sig)
self._assert_display_preferences(table, {"min": False, "max": True})
def test_hide_empty_list(self) -> None:
"""Test hiding empty list of columns."""
builder = TableResultBuilder("Signal Stats")
builder.add(ma.min, "min")
builder.add(ma.max, "max")
builder.hide_columns([])
table = builder.compute(self.sig)
self._assert_display_preferences(table, {"min": True, "max": True})
def test_hide_multiple_calls(self) -> None:
"""Test multiple hide_columns calls accumulate."""
builder = self._create_basic_builder()
# Hide columns in multiple calls
builder.hide_columns(["max"])
builder.hide_columns(["std"])
table = builder.compute(self.sig)
self._assert_display_preferences(
table, {"min": True, "max": False, "mean": True, "std": False}
)
def test_hide_all_columns(self) -> None:
"""Test hiding all columns."""
builder = TableResultBuilder("Signal Stats")
builder.add(ma.min, "min")
builder.add(ma.max, "max")
builder.hide_columns(["min", "max"])
table = builder.compute(self.sig)
self._assert_display_preferences(table, {"min": False, "max": False})
class TestTableResultBuilderROIComputationModes:
"""Test class for TableResultBuilder ROI computation modes."""
def setup_method(self) -> None:
"""Set up test data for each test method."""
# pylint: disable=attribute-defined-outside-init
# Create signal with multiple ROIs (3 segments)
self.sig = create_paracetamol_signal()
# Create a ROI with 3 segments manually
roi = create_signal_roi([[10, 20], [30, 40], [50, 60]], indices=False)
self.sig.roi = roi
def test_statistics_computes_whole_and_rois(self) -> None:
"""Test STATISTICS kind computes both whole object and ROIs."""
builder = TableResultBuilder("Signal Statistics", kind=TableKind.STATISTICS)
builder.add(ma.min, "min")
builder.add(ma.max, "max")
table = builder.compute(self.sig)
# Should have results for whole object (NO_ROI) + 3 ROIs = 4 rows
assert len(table.data) == 4
assert table.roi_indices[0] == NO_ROI # First row is whole object
assert table.roi_indices[1] == 0 # Then ROI 0
assert table.roi_indices[2] == 1 # Then ROI 1
assert table.roi_indices[3] == 2 # Then ROI 2
def test_pulse_features_computes_only_rois(self) -> None:
"""Test PULSE_FEATURES kind computes ONLY ROIs when they exist."""
builder = TableResultBuilder("Pulse Features", kind=TableKind.PULSE_FEATURES)
builder.add(ma.min, "min")
builder.add(ma.max, "max")
table = builder.compute(self.sig)
# Should have results ONLY for ROIs (no whole object), so 3 rows
assert len(table.data) == 3
assert table.roi_indices[0] == 0 # First row is ROI 0
assert table.roi_indices[1] == 1 # Then ROI 1
assert table.roi_indices[2] == 2 # Then ROI 2
# Verify NO_ROI is not present
assert NO_ROI not in table.roi_indices
def test_pulse_features_computes_whole_when_no_rois(self) -> None:
"""Test PULSE_FEATURES kind computes whole object when no ROIs exist."""
# Remove ROI from signal
sig_no_roi = create_paracetamol_signal()
builder = TableResultBuilder("Pulse Features", kind=TableKind.PULSE_FEATURES)
builder.add(ma.min, "min")
builder.add(ma.max, "max")
table = builder.compute(sig_no_roi)
# Should have result for whole object only (1 row)
assert len(table.data) == 1
assert table.roi_indices[0] == NO_ROI
def test_custom_kind_default_behavior(self) -> None:
"""Test CUSTOM kind uses default behavior (whole + ROIs like STATISTICS)."""
builder = TableResultBuilder("Custom Results", kind=TableKind.CUSTOM)
builder.add(ma.min, "min")
builder.add(ma.max, "max")
table = builder.compute(self.sig)
# Should have results for whole object + ROIs = 4 rows (same as STATISTICS)
assert len(table.data) == 4
assert table.roi_indices[0] == NO_ROI
assert table.roi_indices[1] == 0
assert table.roi_indices[2] == 1
assert table.roi_indices[3] == 2
def test_string_kind_pulse_features(self) -> None:
"""Test using string 'pulse_features' as kind value."""
builder = TableResultBuilder("Pulse Features", kind="pulse_features")
builder.add(ma.min, "min")
builder.add(ma.max, "max")
table = builder.compute(self.sig)
# Should behave like PULSE_FEATURES enum: only ROIs, no whole object
assert len(table.data) == 3
assert NO_ROI not in table.roi_indices
def test_string_kind_statistics(self) -> None:
"""Test using string 'statistics' as kind value."""
builder = TableResultBuilder("Signal Statistics", kind="statistics")
builder.add(ma.min, "min")
builder.add(ma.max, "max")
table = builder.compute(self.sig)
# Should behave like STATISTICS enum: whole + ROIs
assert len(table.data) == 4
assert table.roi_indices[0] == NO_ROI
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