From: David ‘Bombe’ Roden <bombe@pterodactylus.net>
Date: Fri, 1 Nov 2019 17:35:45 +0000 (+0100)
Subject: 🚧 Add matcher for empty maps
X-Git-Tag: v81^2~97
X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=commitdiff_plain;h=2786e8969153981d679f0d603d8fb2d1e3b626a3

🚧 Add matcher for empty maps
---

diff --git a/src/test/kotlin/net/pterodactylus/sone/test/Matchers.kt b/src/test/kotlin/net/pterodactylus/sone/test/Matchers.kt
index c084d35..83da2ae 100644
--- a/src/test/kotlin/net/pterodactylus/sone/test/Matchers.kt
+++ b/src/test/kotlin/net/pterodactylus/sone/test/Matchers.kt
@@ -1,7 +1,9 @@
 package net.pterodactylus.sone.test
 
+import net.pterodactylus.sone.utils.*
 import net.pterodactylus.util.web.*
 import org.hamcrest.*
+import org.hamcrest.Matchers.*
 
 fun hasHeader(name: String, value: String) = object : TypeSafeDiagnosingMatcher<Header>() {
 	override fun matchesSafely(item: Header, mismatchDescription: Description) =
@@ -19,3 +21,14 @@ fun <T : Any> compare(value: T, comparison: (T) -> Boolean, onError: (T) -> Unit
 		false.takeUnless { comparison(value) }
 				?.also { onError(value) }
 
+fun <K, V> isEmptyMap() = object : TypeSafeDiagnosingMatcher<Map<K, V>>() {
+	override fun describeTo(description: Description) {
+		description.appendText("empty map")
+	}
+
+	override fun matchesSafely(item: Map<K, V>, mismatchDescription: Description) =
+			item.isEmpty().onFalse {
+				mismatchDescription.appendText("was ").appendValue(item)
+			}
+}
+