1185.31.25
by John Arbash Meinel
Renamed all of the tests from selftest/foo.py to tests/test_foo.py |
1 |
from bzrlib.tests import TestCase |
1607.1.12
by Robert Collins
Fix common_ancestor to still calculate a common ancestor when ghosts are |
2 |
from bzrlib.graph import node_distances, nodes_by_distance, Graph |
974.1.57
by aaron.bentley at utoronto
Started work on djkstra longest-path algorithm |
3 |
|
4 |
class TestBase(TestCase): |
|
1607.1.12
by Robert Collins
Fix common_ancestor to still calculate a common ancestor when ghosts are |
5 |
|
974.1.57
by aaron.bentley at utoronto
Started work on djkstra longest-path algorithm |
6 |
def edge_add(self, *args): |
7 |
for start, end in zip(args[:-1], args[1:]): |
|
8 |
if start not in self.graph: |
|
9 |
self.graph[start] = {} |
|
10 |
if end not in self.graph: |
|
11 |
self.graph[end] = {} |
|
12 |
self.graph[start][end] = 1 |
|
13 |
||
14 |
def setUp(self): |
|
15 |
TestCase.setUp(self) |
|
16 |
self.graph = {} |
|
974.1.58
by aaron.bentley at utoronto
Implemented yet another farthest_node algorithm |
17 |
self.edge_add('A', 'B', 'C', 'D') |
18 |
self.edge_add('A', 'E', 'F', 'C') |
|
19 |
self.edge_add('A', 'G', 'H', 'I', 'B') |
|
20 |
self.edge_add('A', 'J', 'K', 'L', 'M', 'N') |
|
974.1.64
by Aaron Bentley
Handled ancestors that are missing when finding a base |
21 |
self.edge_add('O', 'N') |
974.1.87
by Aaron Bentley
Refactored and documented graph stuff |
22 |
|
23 |
def node_descendants(self): |
|
974.1.64
by Aaron Bentley
Handled ancestors that are missing when finding a base |
24 |
descendants = {'A':set()} |
974.1.59
by aaron.bentley at utoronto
Created yet another longest-patch-picker |
25 |
for node in self.graph: |
26 |
for ancestor in self.graph[node]: |
|
27 |
if ancestor not in descendants: |
|
28 |
descendants[ancestor] = set() |
|
29 |
descendants[ancestor].add(node) |
|
974.1.87
by Aaron Bentley
Refactored and documented graph stuff |
30 |
return descendants |
31 |
||
32 |
def test_distances(self): |
|
33 |
descendants = self.node_descendants() |
|
34 |
distances = node_distances(self.graph, descendants, 'A') |
|
35 |
nodes = nodes_by_distance(distances) |
|
974.1.59
by aaron.bentley at utoronto
Created yet another longest-patch-picker |
36 |
self.assertEqual(nodes[0], 'D') |
1185.16.145
by Martin Pool
Remove all assert statements from test cases. |
37 |
self.assert_(nodes[1] in ('N', 'C')) |
38 |
self.assert_(nodes[2] in ('N', 'C')) |
|
39 |
self.assert_(nodes[3] in ('B', 'M')) |
|
40 |
self.assert_(nodes[4] in ('B', 'M')) |
|
974.1.59
by aaron.bentley at utoronto
Created yet another longest-patch-picker |
41 |
|
1185.8.3
by Aaron Bentley
Fixed bug in distance-from-root graph operation |
42 |
#Ensure we don't shortcut through B when there's only a difference of
|
43 |
# 1 in distance
|
|
44 |
self.graph = {} |
|
45 |
self.edge_add('A', 'B', 'C') |
|
46 |
self.edge_add('A', 'D', 'E', 'C') |
|
47 |
descendants = self.node_descendants() |
|
48 |
distances = node_distances(self.graph, descendants, 'A') |
|
49 |
self.assertEqual(distances['C'], 3) |
|
974.1.58
by aaron.bentley at utoronto
Implemented yet another farthest_node algorithm |
50 |
|
1607.1.12
by Robert Collins
Fix common_ancestor to still calculate a common ancestor when ghosts are |
51 |
|
52 |
class TestGraph(TestCase): |
|
53 |
||
54 |
def test_get_descendants(self): |
|
55 |
# Graph objects let you get a descendants graph in
|
|
56 |
# node: {direct-children:distance} which contains
|
|
57 |
# known children, including ghost children
|
|
58 |
graph = Graph() |
|
59 |
graph.add_ghost('ghost') |
|
60 |
graph.add_node('rev1', ['ghost']) |
|
61 |
# check the result contains ghosts:
|
|
62 |
self.assertEqual({'ghost': {'rev1': 1}, 'rev1': {}}, |
|
63 |
graph.get_descendants()) |