Added tests for IpAddressRule

Author: ditschedev

src/test/java/dev/ditsche/validator/rule/ruleset/IpAddressRuleTest.java

@@ -0,0 +1,40 @@
+package dev.ditsche.validator.rule.ruleset;
+
+import org.junit.jupiter.api.Test;
+
+import java.util.LinkedList;
+import java.util.stream.Stream;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class IpAddressRuleTest {
+
+    private final IpAddressRule ipAddressRule = new IpAddressRule();
+
+    @Test
+    public void shouldFailIfNoStringIsProvided() {
+        Stream.of(null, 1, new LinkedList<>(), 2.00f).forEach(value -> {
+            assertThat(ipAddressRule.passes(value).isPassed()).isFalse();
+        });
+    }
+
+    @Test
+    public void shouldFailIfStringIsInvalid() {
+        Stream.of("", "212.35.234.256", "127.0.0").forEach(value -> {
+            assertThat(ipAddressRule.passes(value).isPassed()).isFalse();
+        });
+    }
+
+    @Test
+    public void shouldPassWithValidCreditCardNumber() {
+        Stream.of("0.0.0.0", "127.0.0.1", "46.234.18.191").forEach(value -> {
+            assertThat(ipAddressRule.passes(value).isPassed()).isTrue();
+        });
+    }
+
+    @Test
+    public void shouldReturnValidErrorMessage() {
+        assertThat(ipAddressRule.message("test")).isEqualTo("The field \"test\" needs to be a valid ip address");
+    }
+
+}