1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
// Test the behavior of the deduplicatePaths utility function.
function edge(from, to, name) {
return { from, to, name };
}
function run_test() {
const a = 1;
const b = 2;
const c = 3;
const d = 4;
const e = 5;
const f = 6;
const g = 7;
dumpn("Single long path");
assertDeduplicatedPaths({
target: g,
paths: [
[
pathEntry(a, "e1"),
pathEntry(b, "e2"),
pathEntry(c, "e3"),
pathEntry(d, "e4"),
pathEntry(e, "e5"),
pathEntry(f, "e6"),
],
],
expectedNodes: [a, b, c, d, e, f, g],
expectedEdges: [
edge(a, b, "e1"),
edge(b, c, "e2"),
edge(c, d, "e3"),
edge(d, e, "e4"),
edge(e, f, "e5"),
edge(f, g, "e6"),
],
});
dumpn("Multiple edges from and to the same nodes");
assertDeduplicatedPaths({
target: a,
paths: [[pathEntry(b, "x")], [pathEntry(b, "y")], [pathEntry(b, "z")]],
expectedNodes: [a, b],
expectedEdges: [edge(b, a, "x"), edge(b, a, "y"), edge(b, a, "z")],
});
dumpn("Multiple paths sharing some nodes and edges");
assertDeduplicatedPaths({
target: g,
paths: [
[pathEntry(a, "a->b"), pathEntry(b, "b->c"), pathEntry(c, "foo")],
[pathEntry(a, "a->b"), pathEntry(b, "b->d"), pathEntry(d, "bar")],
[pathEntry(a, "a->b"), pathEntry(b, "b->e"), pathEntry(e, "baz")],
],
expectedNodes: [a, b, c, d, e, g],
expectedEdges: [
edge(a, b, "a->b"),
edge(b, c, "b->c"),
edge(b, d, "b->d"),
edge(b, e, "b->e"),
edge(c, g, "foo"),
edge(d, g, "bar"),
edge(e, g, "baz"),
],
});
dumpn("Second shortest path contains target itself");
assertDeduplicatedPaths({
target: g,
paths: [
[pathEntry(a, "a->b"), pathEntry(b, "b->g")],
[
pathEntry(a, "a->b"),
pathEntry(b, "b->g"),
pathEntry(g, "g->f"),
pathEntry(f, "f->g"),
],
],
expectedNodes: [a, b, g],
expectedEdges: [edge(a, b, "a->b"), edge(b, g, "b->g")],
});
}
|
