Implements DefaultServiceInstance.getScheme().

This fixes the problem, that a https URI could not be overriden in Unit tests with http (avoiding certificate problems on the build server)

spring-cloud-commons/src/main/java/org/springframework/cloud/client/DefaultServiceInstance.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2021 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.
@@ -110,7 +110,7 @@ public DefaultServiceInstance() {
 	 * @return URI of the form (secure)?https:http + "host:port".
 	 */
 	public static URI getUri(ServiceInstance instance) {
-		String scheme = (instance.isSecure()) ? "https" : "http";
+		String scheme = instance.getScheme();
 		String uri = String.format("%s://%s:%s", scheme, instance.getHost(),
 				instance.getPort());
 		return URI.create(uri);
@@ -206,4 +206,9 @@ public int hashCode() {
 		return Objects.hash(instanceId, serviceId, host, port, secure, metadata);
 	}
 
+	@Override
+	public String getScheme() {
+		return isSecure() ? "https" : "http";
+	}
+
 }

spring-cloud-commons/src/test/java/org/springframework/cloud/client/discovery/simple/SimpleDiscoveryClientPropertiesMappingTests.java

@@ -79,6 +79,14 @@ public void testDiscoveryClientShouldResolveSimpleValues() {
 		then(s1.getPort()).isEqualTo(8080);
 		then(s1.getUri()).isEqualTo(URI.create("http://s11:8080"));
 		then(s1.isSecure()).isEqualTo(false);
+		then(s1.getScheme()).isEqualTo("http");
+
+		ServiceInstance s2 = this.discoveryClient.getInstances("service1").get(1);
+		then(s2.getHost()).isEqualTo("s12");
+		then(s2.getPort()).isEqualTo(8443);
+		then(s2.getUri()).isEqualTo(URI.create("https://s12:8443"));
+		then(s2.isSecure()).isEqualTo(true);
+		then(s2.getScheme()).isEqualTo("https");
 	}
 
 	@Test

spring-cloud-commons/src/test/java/org/springframework/cloud/client/discovery/simple/reactive/SimpleReactiveDiscoveryClientPropertiesMappingTests.java

@@ -0,0 +1,100 @@
+/*
+ * Copyright 2012-2021 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.cloud.client.discovery.simple.reactive;
+
+import java.net.URI;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import reactor.core.publisher.Flux;
+import reactor.test.StepVerifier;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.cloud.client.ServiceInstance;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.BDDAssertions.then;
+
+/**
+ * Tests for mapping properties to instances in {@link SimpleReactiveDiscoveryClient}
+ *
+ * @author Daniel Gerber
+ */
+@RunWith(SpringRunner.class)
+@SpringBootTest(properties = { "spring.application.name=service0",
+		"spring.cloud.discovery.client.simple.instances.service1[0].uri=http://s11:8080",
+		"spring.cloud.discovery.client.simple.instances.service1[1].uri=https://s12:8443",
+		"spring.cloud.discovery.client.simple.instances.service2[0].uri=https://s21:8080",
+		"spring.cloud.discovery.client.simple.instances.service2[1].uri=https://s22:443" })
+public class SimpleReactiveDiscoveryClientPropertiesMappingTests {
+
+	@Autowired
+	private SimpleReactiveDiscoveryProperties props;
+
+	@Autowired
+	private SimpleReactiveDiscoveryClient discoveryClient;
+
+	@Test
+	public void propsShouldGetCleanlyMapped() {
+		then(props.getInstances().size()).isEqualTo(2);
+		then(props.getInstances().get("service1").size()).isEqualTo(2);
+		then(props.getInstances().get("service1").get(0).getHost()).isEqualTo("s11");
+		then(props.getInstances().get("service1").get(0).getPort()).isEqualTo(8080);
+		then(props.getInstances().get("service1").get(0).getUri()).isEqualTo(URI.create("http://s11:8080"));
+		then(props.getInstances().get("service1").get(0).isSecure()).isEqualTo(false);
+
+		then(props.getInstances().get("service2").size()).isEqualTo(2);
+		then(props.getInstances().get("service2").get(0).getHost()).isEqualTo("s21");
+		then(props.getInstances().get("service2").get(0).getPort()).isEqualTo(8080);
+		then(props.getInstances().get("service2").get(0).getUri()).isEqualTo(URI.create("https://s21:8080"));
+		then(props.getInstances().get("service2").get(0).isSecure()).isEqualTo(true);
+	}
+
+	@Test
+	public void testDiscoveryClientShouldResolveSimpleValues() {
+		then(discoveryClient.description()).isEqualTo("Simple Reactive Discovery Client");
+
+		Flux<ServiceInstance> services = discoveryClient.getInstances("service1");
+		StepVerifier.create(services)
+				.expectNextMatches(inst -> inst.getHost().equals("s11") && inst.getPort() == 8080
+						&& inst.getUri().toString().equals("http://s11:8080") && !inst.isSecure()
+						&& inst.getScheme().equals("http"))
+				.expectNextMatches(inst -> inst.getHost().equals("s12") && inst.getPort() == 8443
+						&& inst.getUri().toString().equals("https://s12:8443") && inst.isSecure()
+						&& inst.getScheme().equals("https"))
+				.expectComplete().verify();
+	}
+
+	@Test
+	public void testGetANonExistentServiceShouldReturnAnEmptyList() {
+		then(discoveryClient.description()).isEqualTo("Simple Reactive Discovery Client");
+
+		Flux<ServiceInstance> services = discoveryClient.getInstances("nonexistent");
+
+		StepVerifier.create(services).expectNextCount(0).expectComplete().verify();
+	}
+
+	@Configuration(proxyBeanMethods = false)
+	@EnableAutoConfiguration
+	public static class SampleConfig {
+
+	}
+
+}