Move classes for tests to test package

[Sone.git] / src / test / kotlin / net / pterodactylus / sone / test / OneByOneMatcher.kt

diff --git a/src/test/kotlin/net/pterodactylus/sone/test/OneByOneMatcher.kt b/src/test/kotlin/net/pterodactylus/sone/test/OneByOneMatcher.kt
new file mode 100644 (file)
index 0000000..f0cceca
--- /dev/null
+++ b/src/test/kotlin/net/pterodactylus/sone/test/OneByOneMatcher.kt
@@ -0,0 +1,33 @@
+package net.pterodactylus.sone.test
+
+import org.hamcrest.Description
+import org.hamcrest.TypeSafeDiagnosingMatcher
+
+class OneByOneMatcher<A> : TypeSafeDiagnosingMatcher<A>() {
+       private data class Matcher<in A, out V>(val expected: V, val actual: (A) -> V, val description: String)
+
+       private val matchers = mutableListOf<Matcher<A, *>>()
+
+       fun <V> expect(description: String, expected: V, actual: (A) -> V) {
+               matchers += Matcher<A, V>(expected, actual, description)
+       }
+
+       override fun describeTo(description: Description) {
+               matchers.forEachIndexed { index, matcher ->
+                       if (index > 0) {
+                               description.appendText(", ")
+                       }
+                       description.appendText("${matcher.description} is ").appendValue(matcher.expected)
+               }
+       }
+
+       override fun matchesSafely(item: A, mismatchDescription: Description) =
+                       matchers.all {
+                               if (it.expected != it.actual(item)) {
+                                       mismatchDescription.appendText("${it.description} is ").appendValue(it.actual(item))
+                                       false
+                               } else {
+                                       true
+                               }
+                       }
+}