X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Futils%2FDefaultOptionTest.java;fp=src%2Ftest%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Futils%2FDefaultOptionTest.java;h=b02d5300ac4aa1271ddca0f19641af874386a363;hb=754925ca491d60ddf92b3cb21fb38f0666169348;hp=0000000000000000000000000000000000000000;hpb=3f91e22e512f81a2e11fa584e30f83da74e62177;p=Sone.git

diff --git a/src/test/java/net/pterodactylus/sone/utils/DefaultOptionTest.java b/src/test/java/net/pterodactylus/sone/utils/DefaultOptionTest.java
new file mode 100644
index 0000000..b02d530
--- /dev/null
+++ b/src/test/java/net/pterodactylus/sone/utils/DefaultOptionTest.java
@@ -0,0 +1,89 @@
+package net.pterodactylus.sone.utils;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.nullValue;
+
+import javax.annotation.Nullable;
+
+import net.pterodactylus.sone.utils.DefaultOption;
+
+import com.google.common.base.Predicate;
+import org.junit.Test;
+
+/**
+ * Unit test for {@link DefaultOption}.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class DefaultOptionTest {
+
+	private final Object defaultValue = new Object();
+	private final Object acceptedValue = new Object();
+	private final Predicate<Object> matchesAcceptedValue = new Predicate<Object>() {
+		@Override
+		public boolean apply(@Nullable Object object) {
+			return acceptedValue.equals(object);
+		}
+	};
+
+	@Test
+	public void defaultOptionReturnsDefaultValueWhenUnset() {
+		DefaultOption<Object> defaultOption = new DefaultOption<Object>(defaultValue);
+		assertThat(defaultOption.get(), is(defaultValue));
+	}
+
+	@Test
+	public void defaultOptionReturnsNullForRealWhenUnset() {
+		DefaultOption<Object> defaultOption = new DefaultOption<Object>(defaultValue);
+		assertThat(defaultOption.getReal(), nullValue());
+	}
+
+	@Test
+	public void defaultOptionWillReturnSetValue() {
+		DefaultOption<Object> defaultOption = new DefaultOption<Object>(defaultValue);
+		Object newValue = new Object();
+		defaultOption.set(newValue);
+		assertThat(defaultOption.get(), is(newValue));
+	}
+
+	@Test
+	public void defaultOptionWithValidatorAcceptsValidValues() {
+		DefaultOption<Object> defaultOption = new DefaultOption<Object>(defaultValue, matchesAcceptedValue);
+		defaultOption.set(acceptedValue);
+		assertThat(defaultOption.get(), is(acceptedValue));
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void defaultOptionWithValidatorRejectsInvalidValues() {
+		DefaultOption<Object> defaultOption = new DefaultOption<Object>(defaultValue, matchesAcceptedValue);
+		defaultOption.set(new Object());
+	}
+
+	@Test
+	public void defaultOptionValidatesObjectsCorrectly() {
+		DefaultOption<Object> defaultOption = new DefaultOption<Object>(defaultValue, matchesAcceptedValue);
+		assertThat(defaultOption.validate(acceptedValue), is(true));
+		assertThat(defaultOption.validate(new Object()), is(false));
+	}
+
+	@Test
+	public void settingToNullWillRestoreDefaultValue() {
+		DefaultOption<Object> defaultOption = new DefaultOption<Object>(defaultValue);
+		defaultOption.set(null);
+		assertThat(defaultOption.get(), is(defaultValue));
+	}
+
+	@Test
+	public void validateWithoutValidatorWillValidateNull() {
+		DefaultOption<Object> defaultOption = new DefaultOption<Object>(defaultValue);
+		assertThat(defaultOption.validate(null), is(true));
+	}
+
+	@Test
+	public void validateWithValidatorWillValidateNull() {
+		DefaultOption<Object> defaultOption = new DefaultOption<Object>(defaultValue, matchesAcceptedValue);
+		assertThat(defaultOption.validate(null), is(true));
+	}
+
+}