Simplify project structure

- harmonize module and directory names
- optimize Gradle settings
- remove unused Grails sample

Resolves: #1447

spring-session-samples/spring-session-sample-boot-findbyusername/src/test/java/sample/session/SessionDetailsFilterTests.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2014-2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package sample.session;
+
+import com.maxmind.geoip2.DatabaseReader;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import sample.config.GeoConfig;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Rob Winch
+ *
+ */
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration(classes = GeoConfig.class)
+public class SessionDetailsFilterTests {
+	@Autowired
+	DatabaseReader reader;
+
+	SessionDetailsFilter filter;
+
+	@BeforeEach
+	public void setup() {
+		this.filter = new SessionDetailsFilter(this.reader);
+	}
+
+	@Test
+	public void getGeoLocationHanldesInvalidIp() {
+		assertThat(this.filter.getGeoLocation("a"))
+				.isEqualTo(SessionDetailsFilter.UNKNOWN);
+	}
+
+	@Test
+	public void getGeoLocationNullCity() {
+		assertThat(this.filter.getGeoLocation("22.231.113.64"))
+				.isEqualTo("United States");
+	}
+
+	@Test
+	public void getGeoLocationBoth() {
+		assertThat(this.filter.getGeoLocation("184.154.83.119"))
+				.isEqualTo("Chicago, United States");
+	}
+}