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"""!
@brief Unit-tests for CURE algorithm.
@authors Andrei Novikov (pyclustering@yandex.ru)
@date 2014-2020
@copyright BSD-3-Clause
"""
import unittest
# Generate images without having a window appear.
import matplotlib
matplotlib.use('Agg')
from pyclustering.samples.definitions import SIMPLE_SAMPLES, FCPS_SAMPLES
from pyclustering.cluster.tests.cure_templates import CureTestTemplates
class CureUnitTest(unittest.TestCase):
def testClusterAllocationSampleSimple1(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, [5, 5], 2)
def testClusterAllocationSampleSimple1OneRepresentor(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, [5, 5], 2, 1, 0.5)
def testClusterAllocationSampleSimple1NumPy(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, [5, 5], 2, numpy_usage=True)
def testClusterAllocationSampleSimple2(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, [10, 5, 8], 3)
def testClusterAllocationSampleSimple2NoCompression(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, [10, 5, 8], 3, 5, 0.0)
def testClusterAllocationSampleSimple2NumPy(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, [10, 5, 8], 3, numpy_usage=True)
def testClusterAllocationSampleSimple3(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, [10, 10, 10, 30], 4)
def testClusterAllocationSampleSimple3OneRepresentor(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, [10, 10, 10, 30], 4, 1, 0.5)
def testClusterAllocationSampleSimple3NumPy(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, [10, 10, 10, 30], 4, numpy_usage=True)
def testClusterAllocationSampleSimple4(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, [15, 15, 15, 15, 15], 5)
def testClusterAllocationSampleSimple4NumPy(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, [15, 15, 15, 15, 15], 5, numpy_usage=True)
def testClusterAllocationSampleSimple5(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, [15, 15, 15, 15], 4)
def testClusterAllocationSampleSimple5NumPy(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, [15, 15, 15, 15], 4, numpy_usage=True)
def testClusterAllocationSampleTwoDiamonds(self):
CureTestTemplates.template_cluster_allocation(FCPS_SAMPLES.SAMPLE_TWO_DIAMONDS, [399, 401], 2, 5, 0.3)
def testClusterAllocationSampleLsun(self):
CureTestTemplates.template_cluster_allocation(FCPS_SAMPLES.SAMPLE_LSUN, [100, 101, 202], 3, 5, 0.3)
def testOneClusterAllocationSampleSimple1(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, [10], 1)
def testOneClusterAllocationSampleSimple2(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, [23], 1)
def testOneClusterAllocationSampleSimple3(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, [60], 1)
def testOneClusterAllocationSampleSimple4(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, [75], 1)
def testOneClusterAllocationSampleSimple5(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, [60], 1)
def testClusterAllocationOneDimensionData(self):
CureTestTemplates.templateClusterAllocationOneDimensionData(False)
def testClusterAllocationTheSameData1(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE9, [10, 20], 2, 5, 0.3)
def testClusterAllocationTheSameData2(self):
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE12, [5, 5, 5], 3, 5, 0.3)
CureTestTemplates.template_cluster_allocation(SIMPLE_SAMPLES.SAMPLE_SIMPLE12, [5, 10], 2, 5, 0.3)
def testEncoderProcedure(self):
CureTestTemplates.templateEncoderProcedures(False)
def test_argument_invalid_amount_clusters(self):
CureTestTemplates.exception(ValueError, SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 0, 5, 0.3, False)
CureTestTemplates.exception(ValueError, SIMPLE_SAMPLES.SAMPLE_SIMPLE2, -1, 5, 0.3, False)
def test_argument_invalid_amount_representatives(self):
CureTestTemplates.exception(ValueError, SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 1, 0, 0.3, False)
CureTestTemplates.exception(ValueError, SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 2, -2, 0.3, False)
CureTestTemplates.exception(ValueError, SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 2, -4, 0.3, False)
def test_argument_invalid_compression(self):
CureTestTemplates.exception(ValueError, SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 1, 1, -0.3, False)
CureTestTemplates.exception(ValueError, SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 2, 2, -2.0, False)
def test_argument_empty_data(self):
CureTestTemplates.exception(ValueError, [], 3, 5, 0.3, False)
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