Fix DeleteOptions#isRecurse

src/main/java/org/kiwiproject/consul/option/DeleteOptions.java

@@ -20,7 +20,7 @@ public abstract class DeleteOptions implements ParamAdder {
 
     @Value.Derived
     public boolean isRecurse() {
-        return getRecurse().isPresent();
+        return getRecurse().orElse(false);
     }
 
     @Override

src/test/java/org/kiwiproject/consul/option/DeleteOptionsTest.java

@@ -0,0 +1,32 @@
+package org.kiwiproject.consul.option;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+
+@DisplayName("DeleteOptions")
+class DeleteOptionsTest {
+
+    @Nested
+    class IsRecurse {
+
+        @Test
+        void shouldReturnFalse_WhenGetRecurseReturnsEmptyOptional() {
+            var deleteOptions = ImmutableDeleteOptions.builder().build();
+            assertThat(deleteOptions.getRecurse()).isEmpty();
+            assertThat(deleteOptions.isRecurse()).isFalse();
+        }
+
+        @ParameterizedTest
+        @ValueSource(booleans = { true, false })
+        void shouldReturnExpectedValue_WhenGetRecurseReturnsOptionalWithValue(boolean recurse) {
+            var deleteOptions = ImmutableDeleteOptions.builder().recurse(recurse).build();
+            assertThat(deleteOptions.getRecurse()).contains(recurse);
+            assertThat(deleteOptions.isRecurse()).isEqualTo(recurse);
+        }
+    }
+}