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
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.config.provision;
import org.junit.jupiter.api.Test;
import java.util.function.Supplier;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
/**
* @author bratseth
*/
public class NodeResourcesTest {
@Test
public void testCost() {
assertEquals(5.408, new NodeResources(32, 128, 1200, 1).cost(), 0.0001);
}
@Test
void testToString() {
assertEquals("[vcpu: 1.0, memory: 10.0 Gb, disk: 100.0 Gb, architecture: any]",
new NodeResources(1., 10., 100., 0).toString());
assertEquals("[vcpu: 0.3, memory: 3.3 Gb, disk: 33.3 Gb, bandwidth: 0.3 Gbps, architecture: any]",
new NodeResources(1 / 3., 10 / 3., 100 / 3., 0.3).toString());
assertEquals("[vcpu: 0.7, memory: 9.0 Gb, disk: 66.7 Gb, bandwidth: 0.7 Gbps, architecture: any]",
new NodeResources(2 / 3., 8.97, 200 / 3., 0.67).toString());
}
@Test
void testInvalid() {
assertInvalid("vcpu", () -> new NodeResources(Double.NaN, 1.0, 1.0, 1.0));
assertInvalid("memory", () -> new NodeResources(1.0, Double.NaN, 1.0, 1.0));
assertInvalid("disk", () -> new NodeResources(1.0, 1.0, Double.NaN, 1.0));
assertInvalid("bandwidth", () -> new NodeResources(1.0, 1.0, 1.0, Double.NaN));
}
@Test
void testSatisfies() {
var hostResources = new NodeResources(1, 2, 3, 1);
assertTrue(hostResources.satisfies(new NodeResources(1, 2, 3, 1)));
assertTrue(hostResources.satisfies(new NodeResources(1, 1, 1, 1)));
assertFalse(hostResources.satisfies(new NodeResources(2, 2, 3, 1)));
assertFalse(hostResources.satisfies(new NodeResources(1, 3, 3, 1)));
assertFalse(hostResources.satisfies(new NodeResources(1, 2, 4, 1)));
var gpuHostResources = new NodeResources(1, 2, 3, 1,
NodeResources.DiskSpeed.fast,
NodeResources.StorageType.local,
NodeResources.Architecture.x86_64,
new NodeResources.GpuResources(1, 16));
assertTrue(gpuHostResources.satisfies(new NodeResources(1, 2, 3, 1,
NodeResources.DiskSpeed.fast,
NodeResources.StorageType.local,
NodeResources.Architecture.x86_64,
new NodeResources.GpuResources(1, 16))));
assertFalse(gpuHostResources.satisfies(new NodeResources(1, 2, 3, 1,
NodeResources.DiskSpeed.fast,
NodeResources.StorageType.local,
NodeResources.Architecture.x86_64,
new NodeResources.GpuResources(1, 32))));
assertFalse(hostResources.satisfies(gpuHostResources));
}
@Test
void benchmark() {
NodeResources [] resources = new NodeResources[100];
for (int i = 0; i < resources.length; i++) {
resources[i] = new NodeResources(1 / 3., 10 / 3., 100 / 3., 0.3);
}
int NUM_ITER = 100; // Use at least 100000 for proper benchmarking
long warmup = runTest(resources, NUM_ITER);
long start = System.nanoTime();
long benchmark = runTest(resources, NUM_ITER);
long duration = System.nanoTime() - start;
System.out.println("NodeResources.toString() took " + duration / 1000000 + " ms");
assertEquals(warmup, benchmark);
}
@Test
public void testJoiningResources() {
var resources = new NodeResources(1, 2, 3, 1,
NodeResources.DiskSpeed.fast,
NodeResources.StorageType.local,
NodeResources.Architecture.x86_64,
new NodeResources.GpuResources(4, 16));
assertNotInterchangeable(resources, resources.with(NodeResources.DiskSpeed.slow));
assertNotInterchangeable(resources, resources.with(NodeResources.StorageType.remote));
assertNotInterchangeable(resources, resources.with(NodeResources.Architecture.arm64));
var other = resources.with(new NodeResources.GpuResources(4, 32));
var expected = resources.withVcpu(2)
.withMemoryGb(4)
.withDiskGb(6)
.withBandwidthGbps(2)
.with(new NodeResources.GpuResources(1, 192));
var actual = resources.add(other);
assertEquals(expected, actual);
// Subtracted back to original resources - but GPU is flattened to count=1
expected = resources.with(new NodeResources.GpuResources(1, 64));
actual = actual.subtract(other);
assertEquals(expected, actual);
}
private void assertInvalid(String valueName, Supplier<NodeResources> nodeResources) {
try {
nodeResources.get();
fail("Expected exception");
}
catch (IllegalArgumentException e) {
assertEquals(valueName + " cannot be NaN", e.getMessage());
}
}
private long runTest(NodeResources [] resouces, int num) {
long sum = 0;
for (int i = 0; i < num; i++) {
for (NodeResources ns :resouces) {
sum += ns.toString().length();
}
}
return sum;
}
private void assertNotInterchangeable(NodeResources a, NodeResources b) {
try {
a.add(b);
fail();
}
catch (IllegalArgumentException e) {
assertEquals(a + " and " + b + " are not interchangeable", e.getMessage());
}
}
}
|
