Add request filter.

src/test/java/io/kokuwa/micronaut/logging/request/RequestPrincipalTest.java

@@ -0,0 +1,44 @@
+package io.kokuwa.micronaut.logging.request;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import javax.inject.Inject;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import io.kokuwa.micronaut.logging.AbstractTest;
+
+/**
+ * Test for {@link PrincipalHttpFilter}.
+ *
+ * @author Stephan Schnabel
+ */
+@DisplayName("request-principal")
+public class RequestPrincipalTest extends AbstractTest {
+
+	@Inject
+	TestClient client;
+
+	@DisplayName("token missing")
+	@Test
+	void tokenMissing() {
+		assertPrincipal(null, null);
+	}
+
+	@DisplayName("token invalid")
+	@Test
+	void tokenInvalid() {
+		assertPrincipal(null, "meh");
+	}
+
+	@DisplayName("token valid")
+	@Test
+	void tokenValid() {
+		assertPrincipal("meh", client.token("meh"));
+	}
+
+	private void assertPrincipal(String expectedPrincipal, String actualTokenValue) {
+		assertEquals(expectedPrincipal, client.get(actualTokenValue, null).getPrincipal());
+	}
+}