🔀 Merge branch 'release/v82'

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

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 (file)
index 0000000..e445b39
--- /dev/null
+++ b/src/test/kotlin/net/pterodactylus/sone/utils/DefaultOptionTest.kt
@@ -0,0 +1,77 @@
+package net.pterodactylus.sone.utils
+
+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 = { it: 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))
+       }
+
+}