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"""!
@brief Unit-tests for DBSCAN 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.cluster.tests.dbscan_templates import DbscanTestTemplates
from pyclustering.cluster.dbscan import dbscan
from pyclustering.samples.definitions import SIMPLE_SAMPLES, SIMPLE_ANSWERS
from pyclustering.samples.definitions import FCPS_SAMPLES
class DbscsanUnitTest(unittest.TestCase):
def testClusteringSampleSimple1(self):
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 0.4, 2, [5, 5], False)
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 10, 2, [10], False)
def testClusteringSampleSimple1Randomize(self):
DbscanTestTemplates.templateClusteringResultsRandomize(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 0.4, 2, [5, 5], False)
def testClusteringSampleSimple1DistanceMatrix(self):
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 0.4, 2, [5, 5], False)
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 10, 2, [10], False)
def testClusteringSampleSimple2(self):
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 1, 2, [5, 8, 10], False)
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 5, 2, [23], False)
def testClusteringSampleSimple2Randomize(self):
DbscanTestTemplates.templateClusteringResultsRandomize(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 1, 2, [5, 8, 10], False)
def testClusteringSampleSimple2DistanceMatrix(self):
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 1, 2, [5, 8, 10], False)
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 5, 2, [23], False)
def testClusteringSampleSimple3(self):
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 0.7, 3, [10, 10, 10, 30], False)
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 5, 3, [60], False)
def testClusteringSampleSimple3Randomize(self):
DbscanTestTemplates.templateClusteringResultsRandomize(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 0.7, 3, [10, 10, 10, 30], False)
def testClusteringSampleSimple3DistanceMatrix(self):
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 0.7, 3, [10, 10, 10, 30], False)
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 5, 3, [60], False)
def testClusteringSampleSimple4(self):
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, 0.7, 3, [15, 15, 15, 15, 15], False)
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, 2, 3, [75], False)
def testClusteringSampleSimple4DistanceMatrix(self):
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, 0.7, 3, [15, 15, 15, 15, 15], False)
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, 2, 3, [75], False)
def testClusteringSampleSimple5(self):
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 0.7, 3, [15, 15, 15, 15], False)
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 10, 3, [60], False)
def testClusteringSampleSimple5DistanceMatrix(self):
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 0.7, 3, [15, 15, 15, 15], False)
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 10, 3, [60], False)
def testClusteringHepta(self):
DbscanTestTemplates.templateClusteringResults(FCPS_SAMPLES.SAMPLE_HEPTA, 1, 3, [30, 30, 30, 30, 30, 30, 32], False)
DbscanTestTemplates.templateClusteringResults(FCPS_SAMPLES.SAMPLE_HEPTA, 5, 3, [212], False)
def testClusteringTheSameData1(self):
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE9, 1.0, 3, [10, 20], False)
def testClusteringTheSameData1DistanceMatrix(self):
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE9, 1.0, 3, [10, 20], False)
def testClusteringTheSameData2(self):
DbscanTestTemplates.templateClusteringResults(SIMPLE_SAMPLES.SAMPLE_SIMPLE12, 1.0, 2, [5, 5, 5], False)
def testClusteringTheSameData2DistanceMatrix(self):
DbscanTestTemplates.templateClusteringDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE12, 1.0, 2, [5, 5, 5], False)
def testLengthProcessedSampleSimple1(self):
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 0.7, 0, 10, False)
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 0.5, 0, 10, False)
def testLengthProcessedSampleSimple1DistanceMatrix(self):
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 0.7, 0, 10, False)
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE1, 0.5, 0, 10, False)
def testLengthProcessedSampleSimple2(self):
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 0.3, 0, 15, False)
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 1, 0, 15, False)
def testLengthProcessedSampleSimple2DistanceMatrix(self):
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 0.3, 0, 15, False)
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE2, 1, 0, 15, False)
def testLengthProcessedSampleSimple3(self):
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 0.1, 0, 20, False)
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 5, 0, 20, False)
def testLengthProcessedSampleSimple3DistanceMatrix(self):
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 0.1, 0, 20, False)
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE3, 5, 0, 20, False)
def testLengthProcessedSampleSimple4(self):
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, 0.1, 0, 10, False)
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, 10, 65, 75, False)
def testLengthProcessedSampleSimple4DistanceMatrix(self):
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, 0.1, 0, 10, False)
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE4, 10, 65, 75, False)
def testLengthProcessedSampleSimple5(self):
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 0.1, 0, 10, False)
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 0.3, 0, 10, False)
DbscanTestTemplates.templateLengthProcessData(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 0.6, 0, 10, False)
def testLengthProcessedSampleSimple5DistanceMatrix(self):
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 0.1, 0, 10, False)
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 0.3, 0, 10, False)
DbscanTestTemplates.templateLengthProcessDistanceMatrix(SIMPLE_SAMPLES.SAMPLE_SIMPLE5, 0.6, 0, 10, False)
def testPermutationSampleSimple14(self):
DbscanTestTemplates.templateClusteringWithAnswers(SIMPLE_SAMPLES.SAMPLE_SIMPLE14,
SIMPLE_ANSWERS.ANSWER_SIMPLE14, 1.0, 5, False,
random_order=True,
repeat=20)
def testClusterAllocationOneDimensionData(self):
DbscanTestTemplates.templateClusterAllocationOneDimensionData(False)
def testClusterAllocationOneDimensionDistanceMatrix(self):
DbscanTestTemplates.templateClusterAllocationOneDimensionDistanceMatrix(False)
def test_pickle_dump_load(self):
DbscanTestTemplates.pickle_dump_load(False)
def test_incorrect_data(self):
self.assertRaises(ValueError, dbscan, [], 0.1, 1)
def test_incorrect_eps(self):
self.assertRaises(ValueError, dbscan, [[0], [1], [2]], -1.0, 1)
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