Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/generators/tests/test_duplication.py @ 0:4f3585e2f14b draft default tip
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author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 """Unit tests for the :mod:`networkx.generators.duplication` module. |
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2 |
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3 """ |
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4 import pytest |
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5 |
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6 from networkx.exception import NetworkXError |
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7 from networkx.generators.duplication import duplication_divergence_graph |
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8 from networkx.generators.duplication import partial_duplication_graph |
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9 |
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10 |
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11 class TestDuplicationDivergenceGraph: |
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12 """Unit tests for the |
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13 :func:`networkx.generators.duplication.duplication_divergence_graph` |
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14 function. |
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15 |
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16 """ |
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17 |
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18 def test_final_size(self): |
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19 G = duplication_divergence_graph(3, 1) |
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20 assert len(G) == 3 |
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21 G = duplication_divergence_graph(3, 1, seed=42) |
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22 assert len(G) == 3 |
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23 |
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24 def test_probability_too_large(self): |
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25 with pytest.raises(NetworkXError): |
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26 duplication_divergence_graph(3, 2) |
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27 |
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28 def test_probability_too_small(self): |
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29 with pytest.raises(NetworkXError): |
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30 duplication_divergence_graph(3, -1) |
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31 |
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32 |
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33 class TestPartialDuplicationGraph: |
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34 """Unit tests for the |
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35 :func:`networkx.generators.duplication.partial_duplication_graph` |
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36 function. |
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37 |
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38 """ |
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39 |
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40 def test_final_size(self): |
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41 N = 10 |
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42 n = 5 |
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43 p = 0.5 |
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44 q = 0.5 |
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45 G = partial_duplication_graph(N, n, p, q) |
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46 assert len(G) == N |
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47 G = partial_duplication_graph(N, n, p, q, seed=42) |
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48 assert len(G) == N |
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49 |
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50 def test_initial_clique_size(self): |
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51 N = 10 |
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52 n = 10 |
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53 p = 0.5 |
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54 q = 0.5 |
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55 G = partial_duplication_graph(N, n, p, q) |
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56 assert len(G) == n |
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57 |
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58 def test_invalid_initial_size(self): |
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59 with pytest.raises(NetworkXError): |
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60 N = 5 |
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61 n = 10 |
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62 p = 0.5 |
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63 q = 0.5 |
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64 G = partial_duplication_graph(N, n, p, q) |
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65 |
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66 def test_invalid_probabilities(self): |
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67 N = 1 |
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68 n = 1 |
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69 for p, q in [(0.5, 2), (0.5, -1), (2, 0.5), (-1, 0.5)]: |
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70 args = (N, n, p, q) |
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71 pytest.raises(NetworkXError, partial_duplication_graph, *args) |