2 * Sone - MetricsPageTest.kt - Copyright © 2019 David ‘Bombe’ Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.sone.web.pages
20 import com.codahale.metrics.*
21 import net.pterodactylus.sone.test.*
22 import net.pterodactylus.sone.web.*
23 import net.pterodactylus.sone.web.page.*
24 import org.hamcrest.MatcherAssert.*
25 import org.hamcrest.Matchers.*
28 class MetricsPageTest : WebPageTest() {
30 private val metricRegistry = MetricRegistry()
31 override val page by lazy { MetricsPage(webInterface, loaders, templateRenderer, metricRegistry) }
34 fun `page returns correct path`() {
35 assertThat(page.path, equalTo("metrics.html"))
39 fun `page does not require login`() {
40 assertThat(page.requiresLogin(), equalTo(false))
44 fun `page returns correct title`() {
45 addTranslation("Page.Metrics.Title", "metrics page title")
46 assertThat(page.getPageTitle(soneRequest), equalTo("metrics page title"))
50 fun `page can be created by dependency injection`() {
51 assertThat(baseInjector.getInstance<MetricsPage>(), notNullValue())
55 fun `page is annotated with the correct menuname`() {
56 assertThat(page.menuName, equalTo("Metrics"))
60 fun `page is annotated with correct template path`() {
61 assertThat(page.templatePath, equalTo("/templates/metrics.html"))
65 fun `metrics page lists stats about sone parsing durations`() {
66 createHistogram("sone.parsing.duration")
67 page.handleRequest(soneRequest, templateContext)
68 verifyHistogram("soneParsingDuration")
72 fun `metrice pags lists stats about sone insert durations`() {
73 createHistogram("sone.insert.duration")
74 page.handleRequest(soneRequest, templateContext)
75 verifyHistogram("soneInsertDuration")
79 fun `metrics page delivers correct histogram size`() {
80 val histogram = metricRegistry.histogram("sone.parsing.duration")
81 (0..4000).forEach(histogram::update)
82 page.handleRequest(soneRequest, templateContext)
83 assertThat(templateContext["soneParsingDurationCount"] as Long, equalTo(4001L))
86 private fun verifyHistogram(name: String) {
87 assertThat(templateContext["${name}Count"] as Long, equalTo(5L))
88 assertThat(templateContext["${name}Min"] as Long, equalTo(1L))
89 assertThat(templateContext["${name}Max"] as Long, equalTo(10L))
90 assertThat(templateContext["${name}Median"] as Double, equalTo(8.0))
91 assertThat(templateContext["${name}Percentile75"] as Double, equalTo(9.0))
92 assertThat(templateContext["${name}Percentile95"] as Double, equalTo(10.0))
93 assertThat(templateContext["${name}Percentile98"] as Double, equalTo(10.0))
94 assertThat(templateContext["${name}Percentile99"] as Double, equalTo(10.0))
95 assertThat(templateContext["${name}Percentile999"] as Double, equalTo(10.0))
98 private fun createHistogram(name: String) = metricRegistry.histogram(name).run {