def test_left_sort(self):
"""
Test if assert for left sort works (test with right sorted file)
"""
link_file_right = "./test/graphs/test.links.right"
with self.assertRaises(danker.InputNotSortedException):
danker.init(link_file_right, 0.1, False)
def test_right_sort(self):
"""
Test if assert for right sort works (test with left sorted file)
"""
link_file = "./test/graphs/test.links"
danker_graph = danker.init(link_file, 0.1, True)
with self.assertRaises(danker.InputNotSortedException):
danker.danker_smallmem(danker_graph, link_file, 50, 0.85, 0.1)
def test_bar(self):
"""
Test with a small graph (Bavarian Wikilinks) and comparision between danker and NetworkX.
"""
link_file = "./test/graphs/bar-20190301.links"
link_file_right = "./test/graphs/bar-20190301.links.right"
nx_graph = nx.read_edgelist(link_file, create_using=nx.DiGraph, nodetype=int,
delimiter='\t')
nx_pr = nx.pagerank(nx_graph, tol=1e-8)
danker_graph = danker.init(link_file, 0.1, False)
danker_pr_big = danker.danker_bigmem(danker_graph, 50, 0.85)
self._compare(nx_pr, danker_pr_big)
danker_pr_small = danker.danker_smallmem(danker_graph, link_file_right, 50, 0.85, 0.1)
self._compare(nx_pr, danker_pr_small)
def test_empty(self):
"""
Test with an empty file
"""
link_file = "./test/graphs/nill.links"
link_file_right = "./test/graphs/nill.links.right"
pathlib.Path(link_file).touch(exist_ok=True)
pathlib.Path(link_file_right).touch(exist_ok=True)
danker_graph = danker.init(link_file, 0.1, False)
danker_pr_big = danker.danker_bigmem(danker_graph, 50, 0.85)
danker_pr_small = danker.danker_smallmem(danker_graph, link_file_right, 50, 0.85, 0.1)
self.assertEqual(len(danker_pr_big) + len(danker_pr_small), 0)
# cleanup
os.remove(link_file)
os.remove(link_file_right)
def test_general(self):
"""
Test with a very small graph and comparision between danker and NetworkX.
"""
link_file = "./test/graphs/test.links"
link_file_right = "./test/graphs/test.links.right"
nx_graph = nx.read_edgelist(link_file,
create_using=nx.DiGraph,
nodetype=str,
delimiter='\t')
nx_pr = nx.pagerank(nx_graph, tol=1e-8)
danker_graph = danker.init(link_file, 0.1, False, False)
danker_pr_big = danker.danker_bigmem(danker_graph, 50, 0.85)
self._compare(nx_pr, danker_pr_big)
danker_pr_small = danker.danker_smallmem(danker_graph, link_file_right,
50, 0.85, 0.1, False)
self._compare(nx_pr, danker_pr_small)