Fix https://www.pivotaltracker.com/story/show/159621631

I.e: handle the case where list of paths from live requestmapping info is empty.

headless-services/spring-boot-language-server/src/main/java/org/springframework/ide/vscode/boot/java/requestmapping/RequestMappingHoverProvider.java

@@ -153,14 +153,22 @@ public class RequestMappingHoverProvider implements HoverProvider {
 			String port = mappingMethod.getT2().getPort();
 			String host = mappingMethod.getT2().getHost();
 
-			 List<Renderable> renderableUrls = Arrays.stream(mappingMethod.getT1().getSplitPath()).flatMap(path -> {
+			String[] paths = mappingMethod.getT1().getSplitPath();
+			if (paths==null || paths.length==0) {
+				//Technically, this means the path 'predicate' is unconstrained, meaning any path matches.
+				//So this is not quite the same as the case where path=""... but...
+				//It is better for us to show one link where any path is allowed, versus showing no links where any link is allowed.
+				//So we'll pretend this is the same as path="" as that gives a working link.
+				paths = new String[] {""};
+			}
+			List<Renderable> renderableUrls = Arrays.stream(paths).flatMap(path -> {
 				String url = UrlUtil.createUrl(host, port, path);
 				return Stream.of(Renderables.link(url, url), Renderables.lineBreak());
 			})
 			.collect(Collectors.toList());
 
-			 // Remove the last line break
-			 renderableUrls.remove(renderableUrls.size() - 1);
+			//The renderableUrls can not be empty because, above, we made sure there's at least one path.
+			renderableUrls.remove(renderableUrls.size() - 1);
 
 			hoverContent.add(Either.forLeft(Renderables.concat(renderableUrls).toMarkdown()));
 			hoverContent.add(Either.forLeft(LiveHoverUtils.niceAppName(app)));

headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/boot/java/requestmapping/test/RequestMappingLiveHoverTest.java

@@ -15,6 +15,7 @@ import static org.junit.Assert.assertTrue;
 import java.io.File;
 import java.time.Duration;
 
+import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 import org.springframework.ide.vscode.boot.java.BootJavaLanguageServerComponents;
@@ -23,9 +24,12 @@ import org.springframework.ide.vscode.commons.util.text.LanguageId;
 import org.springframework.ide.vscode.languageserver.testharness.Editor;
 import org.springframework.ide.vscode.languageserver.testharness.LanguageServerHarness;
 import org.springframework.ide.vscode.project.harness.BootJavaLanguageServerHarness;
+import org.springframework.ide.vscode.project.harness.MockRequestMapping;
 import org.springframework.ide.vscode.project.harness.MockRunningAppProvider;
 import org.springframework.ide.vscode.project.harness.ProjectsHarness;
 
+import com.google.common.collect.ImmutableList;
+
 public class RequestMappingLiveHoverTest {
 
 	private LanguageServerHarness<ComposableLanguageServer<BootJavaLanguageServerComponents>> harness;
@@ -58,7 +62,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"/webjars/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**/favicon.ico\":{\"bean\":\"faviconHandlerMapping\"},\"{[/hello-world],methods=[GET]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public example.Greeting example.HelloWorldController.sayHello(java.lang.String)\"},\"{[/goodbye]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.goodbye()\"},\"{[/hello]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.hello()\"},\"{[/error]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)\"},\"{[/error],produces=[text/html]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)\"}}")
 			.build();
 
@@ -72,6 +76,60 @@ public class RequestMappingLiveHoverTest {
 
 	}
 
+
+	@Test
+	public void testLiveHoverHintNoPaths() throws Exception {
+		File directory = new File(
+				ProjectsHarness.class.getResource("/test-projects/test-request-mapping-live-hover/").toURI());
+		String docUri = directory.toPath().resolve("src/main/java/example/HelloWorldController.java").toUri()
+				.toString();
+
+		mockAppProvider.builder()
+		.isSpringBootApp(true)
+		.port("1111")
+		.processId("22022")
+		.host("cfapps.io")
+		.processName("test-request-mapping-live-hover")
+		.requestMappings(ImmutableList.of(
+				new MockRequestMapping()
+				.className("example.HelloWorldController")
+				.methodName("sayHello")
+				.methodParams("java.lang.String")
+				.paths()
+		))
+		.build();
+
+		harness.intialize(directory);
+
+		Editor editor = harness.newEditorFromFileUri(docUri, LanguageId.JAVA);
+		editor.assertHighlights("@RequestMapping(method=RequestMethod.GET)");
+		editor.assertHoverContains("@RequestMapping(method=RequestMethod.GET)", "[http://cfapps.io:1111/](http://cfapps.io:1111/)\n" +
+				"\n" +
+				"Process [PID=22022, name=`test-request-mapping-live-hover`]");
+
+
+		/* Sample real data:
+		  {
+		    "handler":"public java.lang.String com.github.kdvolder.helloworldservice.DemoApplication.hello()",
+		     "predicate":"{[/hello]}",
+		     "details":{
+		        "requestMappingConditions": {
+		            "headers":[],
+		            "methods":[],
+		            "patterns":["/hello"],
+		            "produces":[],
+		            "params":[],
+		            "consumes":[]},
+		            "handlerMethod": {
+		               "name":"hello",
+		               "className":"com.github.kdvolder.helloworldservice.DemoApplication",
+		               "descriptor":"()Ljava/lang/String;"
+		             }
+		         }
+		      }
+		 */
+	}
+
 	@Test
 	public void testLiveHoverHintMethod() throws Exception {
 
@@ -90,7 +148,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"/webjars/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**/favicon.ico\":{\"bean\":\"faviconHandlerMapping\"},\"{[/hello-world],methods=[GET]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public example.Greeting example.HelloWorldController.sayHello(java.lang.String)\"},\"{[/goodbye]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.goodbye()\"},\"{[/hello]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.hello()\"},\"{[/error]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)\"},\"{[/error],produces=[text/html]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)\"}}")
 		.	build();
 
@@ -153,7 +211,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/greetings],methods=[DELETE]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public void com.example.RestApi.deleteGreetings()\"}}")
 		.	build();
 
@@ -200,7 +258,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/greetings],methods=[DELETE]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public void com.example.RestApi.deleteGreetings()\"}}")
 		.	build();
 
@@ -243,7 +301,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/greetings],methods=[PUT]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public java.lang.String com.example.RestApi.updateGreetings()\"}}")
 		.	build();
 
@@ -287,7 +345,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/greetings || /hello],methods=[GET]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public java.lang.String com.example.RestApi.greetings()\"}}")
 		.	build();
 
@@ -335,7 +393,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/find],methods=[GET]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public org.springframework.http.ResponseEntity<?> com.example.RestApi.find(java.lang.String,java.util.Date,java.lang.String)\"}}")
 		.	build();
 
@@ -386,7 +444,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/find],methods=[GET]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public java.lang.Object com.example.RestApi.set(java.lang.String,java.util.Map<java.lang.String, java.lang.String>)\"}}")
 		.	build();
 
@@ -437,7 +495,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/find],methods=[GET]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public java.lang.Object com.example.RestApi.set(java.lang.String,java.util.Map<java.lang.String, java.util.Map<java.lang.String, java.lang.Integer>>)\"}}")
 		.	build();
 
@@ -489,7 +547,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/find],methods=[GET]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public java.lang.Object com.example.RestApi.set(java.lang.String,java.util.Map<java.lang.String, java.util.Map<java.lang.String, ? extends java.lang.Integer>>)\"}}")
 		.	build();
 
@@ -541,7 +599,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/find],methods=[GET]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public java.lang.Object com.example.RestApi.set(java.lang.String[])\"}}")
 		.	build();
 
@@ -591,7 +649,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/find],methods=[GET]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public java.lang.Object com.example.RestApi.set(java.lang.String[][])\"}}")
 		.	build();
 
@@ -641,7 +699,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"{[/find],methods=[GET]}\": {\"bean\": \"requestMappingHandlerMapping\", \"method\":\"public java.lang.Object com.example.RestApi.set(java.lang.String...)\"}}")
 		.	build();
 
@@ -690,7 +748,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"/webjars/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**/favicon.ico\":{\"bean\":\"faviconHandlerMapping\"},\"{[/hello-world],methods=[GET]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public example.Greeting example.HelloWorldController.sayHello(java.lang.String)\"},\"{[/goodbye]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.goodbye()\"},\"{[/hello]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.hello()\"},\"{[/error]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)\"},\"{[/error],produces=[text/html]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)\"}}")
 		.	build();
 
@@ -702,7 +760,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"/webjars/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**/favicon.ico\":{\"bean\":\"faviconHandlerMapping\"},\"{[/hello-world],methods=[GET]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public example.Greeting example.HelloWorldController.sayHello(java.lang.String)\"},\"{[/goodbye]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.goodbye()\"},\"{[/hello]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.hello()\"},\"{[/error]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)\"},\"{[/error],produces=[text/html]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)\"}}")
 		.	build();
 
@@ -714,7 +772,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"/webjars/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**/favicon.ico\":{\"bean\":\"faviconHandlerMapping\"},\"{[/hello-world],methods=[GET]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public example.Greeting example.HelloWorldController.sayHello(java.lang.String)\"},\"{[/goodbye]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.goodbye()\"},\"{[/hello]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.hello()\"},\"{[/error]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)\"},\"{[/error],produces=[text/html]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)\"}}")
 		.	build();
 		harness.intialize(directory);
@@ -756,7 +814,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-				.requestMappings(
+				.requestMappingsJson(
 						"{\"/webjars/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**/favicon.ico\":{\"bean\":\"faviconHandlerMapping\"},\"{[/goodbye]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.goodbye()\"},\"{[/delete/{id}],methods=[DELETE]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.removeMe(int)\"},\"{[/hello]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.hello()\"},\"{[/postHello],methods=[POST]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.postMethod(java.lang.String)\"},\"{[/put/{id}],methods=[PUT]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.putMethod(int,java.lang.String)\"},\"{[/person/{name}],methods=[GET]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.getMapping(java.lang.String)\"},\"{[/error]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.error(javax.servlet.http.HttpServletRequest)\"},\"{[/error],produces=[text/html]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)\"},\"{[/application/status],methods=[GET],produces=[application/vnd.spring-boot.actuator.v2+json || application/json]}\":{\"bean\":\"webEndpointServletHandlerMapping\",\"method\":\"public java.lang.Object org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping$OperationHandler.handle(javax.servlet.http.HttpServletRequest,java.util.Map<java.lang.String, java.lang.String>)\"},\"{[/application/info],methods=[GET],produces=[application/vnd.spring-boot.actuator.v2+json || application/json]}\":{\"bean\":\"webEndpointServletHandlerMapping\",\"method\":\"public java.lang.Object org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping$OperationHandler.handle(javax.servlet.http.HttpServletRequest,java.util.Map<java.lang.String, java.lang.String>)\"},\"{[/application],methods=[GET]}\":{\"bean\":\"webEndpointServletHandlerMapping\",\"method\":\"private java.util.Map<java.lang.String, java.util.Map<java.lang.String, org.springframework.boot.actuate.endpoint.web.Link>> org.springframework.boot.actuate.endpoint.web.servlet.WebMvcEndpointHandlerMapping.links(javax.servlet.http.HttpServletRequest)\"}}")
 
 				.build();
@@ -789,7 +847,7 @@ public class RequestMappingLiveHoverTest {
 			.processName("test-request-mapping-live-hover")
 			// Ugly, but this is real JSON copied from a real live running app. We want the
 			// mock app to return realistic results if possible
-			.requestMappings(
+			.requestMappingsJson(
 				"{\"/webjars/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**\":{\"bean\":\"resourceHandlerMapping\"},\"/**/favicon.ico\":{\"bean\":\"faviconHandlerMapping\"},\"{[/hello-world],methods=[GET]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public example.Greeting example.HelloWorldController.sayHello(java.lang.String)\"},\"{[/inner-inner-class]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.InnerClassController$InnerController$InnerInnerController.saySomethingSuperInnerClass()\"},\"{[/inner-class]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.InnerClassController$InnerController.saySomething()\"},\"{[/person/{name}],methods=[GET]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.getMapping(java.lang.String)\"},\"{[/delete/{id}],methods=[DELETE]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.removeMe(int)\"},\"{[/goodbye]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.goodbye()\"},\"{[/hello]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.hello()\"},\"{[/postHello],methods=[POST]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.postMethod(java.lang.String)\"},\"{[/put/{id}],methods=[PUT]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public java.lang.String example.RestApi.putMethod(int,java.lang.String)\"},\"{[/error]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.http.ResponseEntity<java.util.Map<java.lang.String, java.lang.Object>> org.springframework.boot.autoconfigure.web.BasicErrorController.error(javax.servlet.http.HttpServletRequest)\"},\"{[/error],produces=[text/html]}\":{\"bean\":\"requestMappingHandlerMapping\",\"method\":\"public org.springframework.web.servlet.ModelAndView org.springframework.boot.autoconfigure.web.BasicErrorController.errorHtml(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)\"}}")
 			.build();
 

headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/project/harness/MockRequestMapping.java

@@ -0,0 +1,66 @@
+package org.springframework.ide.vscode.project.harness;
+
+import java.util.Set;
+
+import org.springframework.ide.vscode.commons.boot.app.cli.requestmappings.RequestMapping;
+
+import com.google.common.collect.ImmutableSet;
+
+public class MockRequestMapping implements RequestMapping {
+
+	private String[] paths = {};
+	private String className;
+	private String methodName;
+	private String[] methodParams;
+	private Set<String> requestMethods = ImmutableSet.of();
+
+	@Override
+	public String[] getSplitPath() {
+		return paths;
+	}
+
+	@Override
+	public String getFullyQualifiedClassName() {
+		return className;
+	}
+
+	@Override
+	public String getMethodName() {
+		return methodName;
+	}
+
+	@Override
+	public String[] getMethodParameters() {
+		return methodParams;
+	}
+
+	@Override
+	public String getMethodString() {
+		return null;
+	}
+
+	@Override
+	public Set<String> getRequestMethods() {
+		return requestMethods;
+	}
+
+	public MockRequestMapping paths(String... paths) {
+		this.paths = paths;
+		return this;
+	}
+
+	public MockRequestMapping className(String className) {
+		this.className = className;
+		return this;
+	}
+
+	public MockRequestMapping methodName(String methodName) {
+		this.methodName = methodName;
+		return this;
+	}
+
+	public MockRequestMapping methodParams(String... params) {
+		this.methodParams = params;
+		return this;
+	}
+}

headless-services/spring-boot-language-server/src/test/java/org/springframework/ide/vscode/project/harness/MockRunningAppProvider.java

@@ -107,12 +107,17 @@ public class MockRunningAppProvider {
 			return this;
 		}
 
-		public MockAppBuilder requestMappings(String mappings) throws Exception {
+		public MockAppBuilder requestMappingsJson(String mappings) throws Exception {
 			Collection<RequestMapping> requestMappings = LocalSpringBootApp.parseRequestMappingsJson(mappings, "1.x");
 			when(app.getRequestMappings()).thenReturn(requestMappings);
 			return this;
 		}
 
+		public MockAppBuilder requestMappings(Collection<RequestMapping> rms) throws Exception {
+			when(app.getRequestMappings()).thenReturn(rms);
+			return this;
+		}
+
 		public MockAppBuilder liveConditionalsJson(String rawJson) throws Exception{
 			when(app.getLiveConditionals()).thenReturn(LocalSpringBootApp.getLiveConditionals(rawJson, processId, processName));
 			return this;