Add Support GenerateOneTimeTokenRequestResolver

Closes gh-16291

Signed-off-by: Max Batischev <mblancer@mail.ru>

web/src/test/java/org/springframework/security/web/authentication/ott/DefaultGenerateOneTimeTokenRequestResolverTests.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2002-2025 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.authentication.ott;
+
+import java.time.Duration;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.mock.web.MockHttpServletRequest;
+import org.springframework.security.authentication.ott.GenerateOneTimeTokenRequest;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link DefaultGenerateOneTimeTokenRequestResolver}
+ *
+ * @author Max Batischev
+ */
+public class DefaultGenerateOneTimeTokenRequestResolverTests {
+
+	private final DefaultGenerateOneTimeTokenRequestResolver requestResolver = new DefaultGenerateOneTimeTokenRequestResolver();
+
+	@Test
+	void resolveWhenUsernameParameterIsPresentThenResolvesGenerateRequest() {
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		request.setParameter("username", "test");
+
+		GenerateOneTimeTokenRequest generateRequest = this.requestResolver.resolve(request);
+
+		assertThat(generateRequest).isNotNull();
+		assertThat(generateRequest.getUsername()).isEqualTo("test");
+		assertThat(generateRequest.getExpiresIn()).isEqualTo(Duration.ofSeconds(300));
+	}
+
+	@Test
+	void resolveWhenUsernameParameterIsNotPresentThenNull() {
+		GenerateOneTimeTokenRequest generateRequest = this.requestResolver.resolve(new MockHttpServletRequest());
+
+		assertThat(generateRequest).isNull();
+	}
+
+	@Test
+	void resolveWhenExpiresInSetThenResolvesGenerateRequest() {
+		MockHttpServletRequest request = new MockHttpServletRequest();
+		request.setParameter("username", "test");
+		this.requestResolver.setExpiresIn(Duration.ofSeconds(600));
+
+		GenerateOneTimeTokenRequest generateRequest = this.requestResolver.resolve(request);
+
+		assertThat(generateRequest.getExpiresIn()).isEqualTo(Duration.ofSeconds(600));
+	}
+
+}