From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Tue, 30 Jul 2019 07:59:17 +0000 (+0200)
Subject: 🐛 Fix metrics page showing wrong event count
X-Git-Tag: v81^2~159
X-Git-Url: https://git.pterodactylus.net/?a=commitdiff_plain;h=7aa1997cc7aed40c12017c417ece3e03815e1d28;p=Sone.git

🐛 Fix metrics page showing wrong event count
---

diff --git a/src/main/kotlin/net/pterodactylus/sone/web/pages/MetricsPage.kt b/src/main/kotlin/net/pterodactylus/sone/web/pages/MetricsPage.kt
index 041e755..e097daf 100644
--- a/src/main/kotlin/net/pterodactylus/sone/web/pages/MetricsPage.kt
+++ b/src/main/kotlin/net/pterodactylus/sone/web/pages/MetricsPage.kt
@@ -13,17 +13,19 @@ import javax.inject.*
 class MetricsPage @Inject constructor(webInterface: WebInterface, loaders: Loaders, templateRenderer: TemplateRenderer, private val metricsRegistry: MetricRegistry) : SoneTemplatePage(webInterface, loaders, templateRenderer, "Page.Metrics.Title") {
 
 	override fun handleRequest(soneRequest: SoneRequest, templateContext: TemplateContext) {
-		metricsRegistry.histogram("sone.parsing.duration").snapshot.also { snapshot ->
-			templateContext["soneParsingDurationCount"] = snapshot.size()
-			templateContext["soneParsingDurationMin"] = snapshot.min
-			templateContext["soneParsingDurationMax"] = snapshot.max
-			templateContext["soneParsingDurationMedian"] = snapshot.median
-			templateContext["soneParsingDurationMean"] = snapshot.mean
-			templateContext["soneParsingDurationPercentile75"] = snapshot.get75thPercentile()
-			templateContext["soneParsingDurationPercentile95"] = snapshot.get95thPercentile()
-			templateContext["soneParsingDurationPercentile98"] = snapshot.get98thPercentile()
-			templateContext["soneParsingDurationPercentile99"] = snapshot.get99thPercentile()
-			templateContext["soneParsingDurationPercentile999"] = snapshot.get999thPercentile()
+		metricsRegistry.histogram("sone.parsing.duration").also { histogram ->
+			templateContext["soneParsingDurationCount"] = histogram.count
+			histogram.snapshot.also { snapshot ->
+				templateContext["soneParsingDurationMin"] = snapshot.min
+				templateContext["soneParsingDurationMax"] = snapshot.max
+				templateContext["soneParsingDurationMedian"] = snapshot.median
+				templateContext["soneParsingDurationMean"] = snapshot.mean
+				templateContext["soneParsingDurationPercentile75"] = snapshot.get75thPercentile()
+				templateContext["soneParsingDurationPercentile95"] = snapshot.get95thPercentile()
+				templateContext["soneParsingDurationPercentile98"] = snapshot.get98thPercentile()
+				templateContext["soneParsingDurationPercentile99"] = snapshot.get99thPercentile()
+				templateContext["soneParsingDurationPercentile999"] = snapshot.get999thPercentile()
+			}
 		}
 	}
 
diff --git a/src/test/kotlin/net/pterodactylus/sone/web/pages/MetricsPageTest.kt b/src/test/kotlin/net/pterodactylus/sone/web/pages/MetricsPageTest.kt
index 0565612..b727909 100644
--- a/src/test/kotlin/net/pterodactylus/sone/web/pages/MetricsPageTest.kt
+++ b/src/test/kotlin/net/pterodactylus/sone/web/pages/MetricsPageTest.kt
@@ -68,8 +68,16 @@ class MetricsPageTest : WebPageTest() {
 		verifyHistogram("soneParsingDuration")
 	}
 
+	@Test
+	fun `metrics page delivers correct histogram size`() {
+		val histogram = metricRegistry.histogram("sone.parsing.duration")
+		(0..4000).forEach(histogram::update)
+		page.handleRequest(soneRequest, templateContext)
+		assertThat(templateContext["soneParsingDurationCount"] as Long, equalTo(4001L))
+	}
+
 	private fun verifyHistogram(name: String) {
-		assertThat(templateContext["${name}Count"] as Int, equalTo(5))
+		assertThat(templateContext["${name}Count"] as Long, equalTo(5L))
 		assertThat(templateContext["${name}Min"] as Long, equalTo(1L))
 		assertThat(templateContext["${name}Max"] as Long, equalTo(10L))
 		assertThat(templateContext["${name}Median"] as Double, equalTo(8.0))