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testlayoutplot.py
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testlayoutplot.py
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import numpy as np
from holoviews.core import HoloMap, GridSpace, Layout, Empty, Dataset, NdOverlay
from holoviews.element import Curve, Image, Points
from .testplot import TestBokehPlot, bokeh_renderer
try:
from bokeh.layouts import Column, Row
from bokeh.models import Div, ToolbarBox, GlyphRenderer, Tabs, Panel
from bokeh.plotting import Figure
except:
pass
class TestLayoutPlot(TestBokehPlot):
def test_layout_update_visible(self):
hmap = HoloMap({i: Curve(np.arange(i), label='A') for i in range(1, 3)})
hmap2 = HoloMap({i: Curve(np.arange(i), label='B') for i in range(3, 5)})
plot = bokeh_renderer.get_plot(hmap+hmap2)
subplot1, subplot2 = [p for k, p in sorted(plot.subplots.items())]
subplot1 = subplot1.subplots['main']
subplot2 = subplot2.subplots['main']
self.assertTrue(subplot1.handles['glyph_renderer'].visible)
self.assertFalse(subplot2.handles['glyph_renderer'].visible)
plot.update((4,))
self.assertFalse(subplot1.handles['glyph_renderer'].visible)
self.assertTrue(subplot2.handles['glyph_renderer'].visible)
def test_layout_title(self):
hmap1 = HoloMap({a: Image(np.random.rand(10,10)) for a in range(3)})
hmap2 = HoloMap({a: Image(np.random.rand(10,10)) for a in range(3)})
plot = bokeh_renderer.get_plot(hmap1+hmap2)
title = plot.handles['title']
self.assertIsInstance(title, Div)
text = ('<span style="color:black;font-family:Arial;font-style:bold;'
'font-weight:bold;font-size:12pt">Default: 0</span>')
self.assertEqual(title.text, text)
def test_layout_title_fontsize(self):
hmap1 = HoloMap({a: Image(np.random.rand(10,10)) for a in range(3)})
hmap2 = HoloMap({a: Image(np.random.rand(10,10)) for a in range(3)})
layout = Layout([hmap1, hmap2]).opts(plot=dict(fontsize={'title': '12pt'}))
plot = bokeh_renderer.get_plot(layout)
title = plot.handles['title']
self.assertIsInstance(title, Div)
text = ('<span style="color:black;font-family:Arial;font-style:bold;'
'font-weight:bold;font-size:12pt">Default: 0</span>')
self.assertEqual(title.text, text)
def test_layout_title_show_title_false(self):
hmap1 = HoloMap({a: Image(np.random.rand(10,10)) for a in range(3)})
hmap2 = HoloMap({a: Image(np.random.rand(10,10)) for a in range(3)})
layout = Layout([hmap1, hmap2]).opts(plot=dict(show_title=False))
plot = bokeh_renderer.get_plot(layout)
self.assertTrue('title' not in plot.handles)
def test_layout_title_update(self):
hmap1 = HoloMap({a: Image(np.random.rand(10,10)) for a in range(3)})
hmap2 = HoloMap({a: Image(np.random.rand(10,10)) for a in range(3)})
plot = bokeh_renderer.get_plot(hmap1+hmap2)
plot.update(1)
title = plot.handles['title']
self.assertIsInstance(title, Div)
text = ('<span style="color:black;font-family:Arial;font-style:bold;'
'font-weight:bold;font-size:12pt">Default: 1</span>')
self.assertEqual(title.text, text)
def test_layout_gridspaces(self):
layout = (GridSpace({(i, j): Curve(range(i+j)) for i in range(1, 3)
for j in range(2,4)}) +
GridSpace({(i, j): Curve(range(i+j)) for i in range(1, 3)
for j in range(2,4)}) +
Curve(range(10))).cols(2)
layout_plot = bokeh_renderer.get_plot(layout)
plot = layout_plot.state
# Unpack until getting down to two rows
self.assertIsInstance(plot, Column)
self.assertEqual(len(plot.children), 2)
toolbar, column = plot.children
self.assertIsInstance(toolbar, ToolbarBox)
self.assertIsInstance(column, Column)
self.assertEqual(len(column.children), 2)
row1, row2 = column.children
self.assertIsInstance(row1, Row)
self.assertIsInstance(row2, Row)
# Check the row of GridSpaces
self.assertEqual(len(row1.children), 2)
grid1, grid2 = row1.children
self.assertIsInstance(grid1, Column)
self.assertIsInstance(grid2, Column)
self.assertEqual(len(grid1.children), 1)
self.assertEqual(len(grid2.children), 1)
grid1, grid2 = grid1.children[0], grid2.children[0]
self.assertIsInstance(grid1, Column)
self.assertIsInstance(grid2, Column)
for grid in [grid1, grid2]:
self.assertEqual(len(grid.children), 2)
grow1, grow2 = grid.children
self.assertIsInstance(grow1, Row)
self.assertIsInstance(grow2, Row)
self.assertEqual(len(grow1.children), 2)
self.assertEqual(len(grow2.children), 2)
ax_row, grid_row = grow1.children
grow1, grow2 = grid_row.children[0].children
gfig1, gfig2 = grow1.children
gfig3, gfig4 = grow2.children
self.assertIsInstance(gfig1, Figure)
self.assertIsInstance(gfig2, Figure)
self.assertIsInstance(gfig3, Figure)
self.assertIsInstance(gfig4, Figure)
# Check the row of Curve and a spacer
self.assertEqual(len(row2.children), 2)
fig, spacer = row2.children
self.assertIsInstance(fig, Figure)
self.assertIsInstance(spacer, Figure)
def test_layout_instantiate_subplots(self):
layout = (Curve(range(10)) + Curve(range(10)) + Image(np.random.rand(10,10)) +
Curve(range(10)) + Curve(range(10)))
plot = bokeh_renderer.get_plot(layout)
positions = [(0, 0), (0, 1), (0, 2), (0, 3), (1, 0)]
self.assertEqual(sorted(plot.subplots.keys()), positions)
def test_layout_instantiate_subplots_transposed(self):
layout = (Curve(range(10)) + Curve(range(10)) + Image(np.random.rand(10,10)) +
Curve(range(10)) + Curve(range(10)))
plot = bokeh_renderer.get_plot(layout(plot=dict(transpose=True)))
positions = [(0, 0), (0, 1), (1, 0), (2, 0), (3, 0)]
self.assertEqual(sorted(plot.subplots.keys()), positions)
def test_empty_adjoint_plot(self):
adjoint = Curve([0,1,1,2,3]) << Empty() << Curve([0,1,1,0,1])
plot = bokeh_renderer.get_plot(adjoint)
adjoint_plot = plot.subplots[(0, 0)]
self.assertEqual(len(adjoint_plot.subplots), 3)
column = plot.state.children[1]
row1, row2 = column.children
self.assertEqual(row1.children[0].plot_height, row1.children[1].plot_height)
self.assertEqual(row1.children[1].plot_width, 0)
self.assertEqual(row2.children[1].plot_width, 0)
self.assertEqual(row2.children[0].plot_height, row2.children[1].plot_height)
def test_layout_plot_with_adjoints(self):
layout = (Curve([]) + Curve([]).hist()).cols(1)
plot = bokeh_renderer.get_plot(layout)
toolbar, column = plot.state.children
self.assertIsInstance(toolbar, ToolbarBox)
self.assertIsInstance(column, Column)
row1, row2 = column.children
fig1, fig2 = row1.children
fig3, fig4 = row2.children
for fig in (fig1, fig2, fig3, fig4):
self.assertIsInstance(fig, Figure)
self.assertEqual([r for r in fig2.renderers if isinstance(r, GlyphRenderer)], [])
def test_layout_plot_tabs_with_adjoints(self):
layout = (Curve([]) + Curve([]).hist()).options(tabs=True)
plot = bokeh_renderer.get_plot(layout)
self.assertIsInstance(plot.state, Tabs)
panel1, panel2 = plot.state.tabs
self.assertIsInstance(panel1, Panel)
self.assertIsInstance(panel2, Panel)
self.assertEqual(panel1.title, 'Curve I')
self.assertEqual(panel2.title, 'AdjointLayout I')
def test_layout_shared_source_synced_update(self):
hmap = HoloMap({i: Dataset({chr(65+j): np.random.rand(i+2)
for j in range(4)}, kdims=['A', 'B', 'C', 'D'])
for i in range(3)})
# Create two holomaps of points sharing the same data source
hmap1= hmap.map(lambda x: Points(x.clone(kdims=['A', 'B'])), Dataset)
hmap2 = hmap.map(lambda x: Points(x.clone(kdims=['D', 'C'])), Dataset)
# Pop key (1,) for one of the HoloMaps and make Layout
hmap2.pop((1,))
layout = (hmap1 + hmap2).opts(plot=dict(shared_datasource=True))
# Get plot
plot = bokeh_renderer.get_plot(layout)
# Check plot created shared data source and recorded expected columns
sources = plot.handles.get('shared_sources', [])
source_cols = plot.handles.get('source_cols', {})
self.assertEqual(len(sources), 1)
source = sources[0]
data = source.data
cols = source_cols[id(source)]
self.assertEqual(set(cols), {'A', 'B', 'C', 'D'})
# Ensure the source contains the expected columns
self.assertEqual(set(data.keys()), {'A', 'B', 'C', 'D'})
# Update to key (1,) and check the source contains data
# corresponding to hmap1 and filled in NaNs for hmap2,
# which was popped above
plot.update((1,))
self.assertEqual(data['A'], hmap1[1].dimension_values(0))
self.assertEqual(data['B'], hmap1[1].dimension_values(1))
self.assertEqual(data['C'], np.full_like(hmap1[1].dimension_values(0), np.NaN))
self.assertEqual(data['D'], np.full_like(hmap1[1].dimension_values(0), np.NaN))
def test_shared_axes(self):
curve = Curve(range(10))
img = Image(np.random.rand(10,10))
plot = bokeh_renderer.get_plot(curve+img)
plot = plot.subplots[(0, 1)].subplots['main']
x_range, y_range = plot.handles['x_range'], plot.handles['y_range']
self.assertEqual((x_range.start, x_range.end), (-.5, 9))
self.assertEqual((y_range.start, y_range.end), (-.5, 9))
def test_shared_axes_disable(self):
curve = Curve(range(10))
img = Image(np.random.rand(10,10)).opts(plot=dict(shared_axes=False))
plot = bokeh_renderer.get_plot(curve+img)
plot = plot.subplots[(0, 1)].subplots['main']
x_range, y_range = plot.handles['x_range'], plot.handles['y_range']
self.assertEqual((x_range.start, x_range.end), (-.5, .5))
self.assertEqual((y_range.start, y_range.end), (-.5, .5))
def test_layout_empty_subplots(self):
layout = Curve(range(10)) + NdOverlay() + HoloMap() + HoloMap({1: Image(np.random.rand(10,10))})
plot = bokeh_renderer.get_plot(layout)
self.assertEqual(len(plot.subplots.values()), 2)
def test_layout_set_toolbar_location(self):
layout = (Curve([]) + Points([])).options(toolbar='left')
plot = bokeh_renderer.get_plot(layout)
self.assertIsInstance(plot.state, Row)
self.assertIsInstance(plot.state.children[0], ToolbarBox)
def test_layout_disable_toolbar(self):
layout = (Curve([]) + Points([])).options(toolbar=None)
plot = bokeh_renderer.get_plot(layout)
self.assertIsInstance(plot.state, Column)
self.assertEqual(len(plot.state.children), 1)
def test_layout_shared_inverted_yaxis(self):
layout = (Curve([]) + Curve([])).options('Curve', invert_yaxis=True)
plot = bokeh_renderer.get_plot(layout)
subplot = list(plot.subplots.values())[0].subplots['main']
self.assertEqual(subplot.handles['y_range'].start, 1)
self.assertEqual(subplot.handles['y_range'].end, 0)