X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Ftest%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Futils%2FDefaultOptionTest.kt;fp=src%2Ftest%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Futils%2FDefaultOptionTest.kt;h=f7f4a491776150c7b7f8e919eaae50e1569e7041;hp=0000000000000000000000000000000000000000;hb=150dafbd9a3f63ca06e6b53002723b56ec7f3d05;hpb=5e7cd469678244403a5ca884736261b6d8217f16

diff --git a/src/test/kotlin/net/pterodactylus/sone/utils/DefaultOptionTest.kt b/src/test/kotlin/net/pterodactylus/sone/utils/DefaultOptionTest.kt
new file mode 100644
index 0000000..f7f4a49
--- /dev/null
+++ b/src/test/kotlin/net/pterodactylus/sone/utils/DefaultOptionTest.kt
@@ -0,0 +1,78 @@
+package net.pterodactylus.sone.utils
+
+import com.google.common.base.Predicate
+import org.hamcrest.MatcherAssert.assertThat
+import org.hamcrest.Matchers.equalTo
+import org.hamcrest.Matchers.nullValue
+import org.hamcrest.Matchers.sameInstance
+import org.junit.Test
+
+/**
+ * Unit test for [DefaultOption].
+ */
+class DefaultOptionTest {
+
+	private val defaultValue = Any()
+	private val acceptedValue = Any()
+	private val matchesAcceptedValue = Predicate<Any?> { it == acceptedValue }
+
+	@Test
+	fun `default option returns default value when unset`() {
+		val defaultOption = DefaultOption(defaultValue)
+		assertThat(defaultOption.get(), sameInstance(defaultValue))
+	}
+
+	@Test
+	fun `default option returns null for real when unset`() {
+		val defaultOption = DefaultOption(defaultValue)
+		assertThat(defaultOption.real, nullValue())
+	}
+
+	@Test
+	fun `default option will return set value`() {
+		val defaultOption = DefaultOption(defaultValue)
+		val newValue = Any()
+		defaultOption.set(newValue)
+		assertThat(defaultOption.get(), sameInstance(newValue))
+	}
+
+	@Test
+	fun `default option with validator accepts valid values`() {
+		val defaultOption = DefaultOption(defaultValue, matchesAcceptedValue)
+		defaultOption.set(acceptedValue)
+		assertThat(defaultOption.get(), sameInstance(acceptedValue))
+	}
+
+	@Test(expected = IllegalArgumentException::class)
+	fun `default option with validator rejects invalid values`() {
+		val defaultOption = DefaultOption(defaultValue, matchesAcceptedValue)
+		defaultOption.set(Any())
+	}
+
+	@Test
+	fun `default option validates objects correctly`() {
+		val defaultOption = DefaultOption(defaultValue, matchesAcceptedValue)
+		assertThat(defaultOption.validate(acceptedValue), equalTo(true))
+		assertThat(defaultOption.validate(Any()), equalTo(false))
+	}
+
+	@Test
+	fun `setting to null will restore default value`() {
+		val defaultOption = DefaultOption(defaultValue)
+		defaultOption.set(null)
+		assertThat(defaultOption.get(), sameInstance(defaultValue))
+	}
+
+	@Test
+	fun `validate without validator will validate null`() {
+		val defaultOption = DefaultOption(defaultValue)
+		assertThat(defaultOption.validate(null), equalTo(true))
+	}
+
+	@Test
+	fun `validate with validator will validate null`() {
+		val defaultOption = DefaultOption(defaultValue, matchesAcceptedValue)
+		assertThat(defaultOption.validate(null), equalTo(true))
+	}
+
+}