Add test for GH-782 fix

spring-cloud-stream/src/test/java/org/springframework/cloud/stream/binder/SourceBindingWithGlobalPropertiesOnlyTest.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2015 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
+ *
+ *      http://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.stream.binder;
+
+import org.assertj.core.api.Assertions;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.cloud.stream.annotation.EnableBinding;
+import org.springframework.cloud.stream.config.BindingProperties;
+import org.springframework.cloud.stream.config.BindingServiceProperties;
+import org.springframework.cloud.stream.messaging.Source;
+import org.springframework.cloud.stream.utils.MockBinderRegistryConfiguration;
+import org.springframework.context.annotation.Import;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+/**
+ * @author Marius Bogoevici
+ * @author Ilayaperumal Gopinathan
+ */
+@RunWith(SpringJUnit4ClassRunner.class)
+@SpringBootTest(classes = SourceBindingWithGlobalPropertiesOnlyTest.TestSource.class, properties = {
+		"spring.cloud.stream.default.contentType=application/json"})
+public class SourceBindingWithGlobalPropertiesOnlyTest {
+
+	@Autowired
+	private BindingServiceProperties bindingServiceProperties;
+
+	@SuppressWarnings("unchecked")
+	@Test
+	public void testGlobalPropertiesSet() {
+		BindingProperties bindingProperties = bindingServiceProperties.getBindingProperties(Source.OUTPUT);
+		Assertions.assertThat(bindingProperties.getContentType()).isEqualTo("application/json");
+	}
+
+	@EnableBinding(Source.class)
+	@EnableAutoConfiguration
+	@Import(MockBinderRegistryConfiguration.class)
+	public static class TestSource {
+
+	}
+}