ForceEagerSessionCreationFilter

Closes gh-11109

web/src/test/java/org/springframework/security/web/session/ForceEagerSessionCreationFilterTests.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2002-2022 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 org.springframework.security.web.session;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.mock.web.MockFilterChain;
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.mock.web.MockHttpServletResponse;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class ForceEagerSessionCreationFilterTests {
+
+	@Test
+	void createsSession() throws Exception {
+		ForceEagerSessionCreationFilter filter = new ForceEagerSessionCreationFilter();
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		MockFilterChain chain = new MockFilterChain();
+
+		filter.doFilter(request, new MockHttpServletResponse(), chain);
+
+		assertThat(request.getSession(false)).isNotNull();
+		assertThat(chain.getRequest()).isEqualTo(request);
+	}
+
+}