diff options
Diffstat (limited to 'src/python/test')
-rw-r--r-- | src/python/test/test_persistence_graphical_tools.py | 121 | ||||
-rwxr-xr-x | src/python/test/test_simplex_tree.py | 17 |
2 files changed, 127 insertions, 11 deletions
diff --git a/src/python/test/test_persistence_graphical_tools.py b/src/python/test/test_persistence_graphical_tools.py new file mode 100644 index 00000000..c19836b7 --- /dev/null +++ b/src/python/test/test_persistence_graphical_tools.py @@ -0,0 +1,121 @@ +""" This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT. + See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details. + Author(s): Vincent Rouvreau + + Copyright (C) 2021 Inria + + Modification(s): + - YYYY/MM Author: Description of the modification +""" + +import gudhi as gd +import numpy as np +import matplotlib as plt +import pytest + + +def test_array_handler(): + diags = np.array([[1, 2], [3, 4], [5, 6]], float) + arr_diags = gd.persistence_graphical_tools._array_handler(diags) + for idx in range(len(diags)): + assert arr_diags[idx][0] == 0 + np.testing.assert_array_equal(arr_diags[idx][1], diags[idx]) + + diags = [(1.0, 2.0), (3.0, 4.0), (5.0, 6.0)] + arr_diags = gd.persistence_graphical_tools._array_handler(diags) + for idx in range(len(diags)): + assert arr_diags[idx][0] == 0 + assert arr_diags[idx][1] == diags[idx] + + diags = [(0, (1.0, 2.0)), (0, (3.0, 4.0)), (0, (5.0, 6.0))] + assert gd.persistence_graphical_tools._array_handler(diags) == diags + + +def test_min_birth_max_death(): + diags = [ + (0, (0.0, float("inf"))), + (0, (0.0983494, float("inf"))), + (0, (0.0, 0.122545)), + (0, (0.0, 0.12047)), + (0, (0.0, 0.118398)), + (0, (0.118398, 1.0)), + (0, (0.0, 0.117908)), + (0, (0.0, 0.112307)), + (0, (0.0, 0.107535)), + (0, (0.0, 0.106382)), + ] + assert gd.persistence_graphical_tools.__min_birth_max_death(diags) == (0.0, 1.0) + assert gd.persistence_graphical_tools.__min_birth_max_death(diags, band=4.0) == (0.0, 5.0) + + +def test_limit_min_birth_max_death(): + diags = [ + (0, (2.0, float("inf"))), + (0, (2.0, float("inf"))), + ] + assert gd.persistence_graphical_tools.__min_birth_max_death(diags) == (2.0, 3.0) + assert gd.persistence_graphical_tools.__min_birth_max_death(diags, band=4.0) == (2.0, 6.0) + + +def test_limit_to_max_intervals(): + diags = [ + (0, (0.0, float("inf"))), + (0, (0.0983494, float("inf"))), + (0, (0.0, 0.122545)), + (0, (0.0, 0.12047)), + (0, (0.0, 0.118398)), + (0, (0.118398, 1.0)), + (0, (0.0, 0.117908)), + (0, (0.0, 0.112307)), + (0, (0.0, 0.107535)), + (0, (0.0, 0.106382)), + ] + # check no warnings if max_intervals equals to the diagrams number + with pytest.warns(None) as record: + truncated_diags = gd.persistence_graphical_tools._limit_to_max_intervals( + diags, 10, key=lambda life_time: life_time[1][1] - life_time[1][0] + ) + # check diagrams are not sorted + assert truncated_diags == diags + assert len(record) == 0 + + # check warning if max_intervals lower than the diagrams number + with pytest.warns(UserWarning) as record: + truncated_diags = gd.persistence_graphical_tools._limit_to_max_intervals( + diags, 5, key=lambda life_time: life_time[1][1] - life_time[1][0] + ) + # check diagrams are truncated and sorted by life time + assert truncated_diags == [ + (0, (0.0, float("inf"))), + (0, (0.0983494, float("inf"))), + (0, (0.118398, 1.0)), + (0, (0.0, 0.122545)), + (0, (0.0, 0.12047)), + ] + assert len(record) == 1 + + +def _limit_plot_persistence(function): + pplot = function(persistence=[]) + assert isinstance(pplot, plt.axes.SubplotBase) + pplot = function(persistence=[], legend=True) + assert isinstance(pplot, plt.axes.SubplotBase) + pplot = function(persistence=[(0, float("inf"))]) + assert isinstance(pplot, plt.axes.SubplotBase) + pplot = function(persistence=[(0, float("inf"))], legend=True) + assert isinstance(pplot, plt.axes.SubplotBase) + + +def test_limit_plot_persistence(): + for function in [gd.plot_persistence_barcode, gd.plot_persistence_diagram, gd.plot_persistence_density]: + _limit_plot_persistence(function) + + +def _non_existing_persistence_file(function): + with pytest.raises(FileNotFoundError): + function(persistence_file="pouetpouettralala.toubiloubabdou") + + +def test_non_existing_persistence_file(): + for function in [gd.plot_persistence_barcode, gd.plot_persistence_diagram, gd.plot_persistence_density]: + _non_existing_persistence_file(function) diff --git a/src/python/test/test_simplex_tree.py b/src/python/test/test_simplex_tree.py index eb481a49..688f4fd6 100755 --- a/src/python/test/test_simplex_tree.py +++ b/src/python/test/test_simplex_tree.py @@ -8,7 +8,7 @@ - YYYY/MM Author: Description of the modification """ -from gudhi import SimplexTree, __GUDHI_USE_EIGEN3 +from gudhi import SimplexTree import numpy as np import pytest @@ -354,16 +354,11 @@ def test_collapse_edges(): assert st.num_simplices() == 10 - if __GUDHI_USE_EIGEN3: - st.collapse_edges() - assert st.num_simplices() == 9 - assert st.find([1, 3]) == False - for simplex in st.get_skeleton(0): - assert simplex[1] == 1. - else: - # If no Eigen3, collapse_edges throws an exception - with pytest.raises(RuntimeError): - st.collapse_edges() + st.collapse_edges() + assert st.num_simplices() == 9 + assert st.find([0, 2]) == False # [1, 3] would be fine as well + for simplex in st.get_skeleton(0): + assert simplex[1] == 1. def test_reset_filtration(): st = SimplexTree() |