[BAEL-1626] testing-modules | A Quick Guide to @TestPropertySource - move to existing submodule (#5292)

* *added tests using testpropertysource

* fix: using property for version in pom file

* fix, added dependency with compile scope to build successfully on mvn clean install

* * moved testpropertysource tests from spring-context-tests to spring-tests submodule

* deleted  submodule created for this article, since it was moved

testing-modules/spring-testing/src/test/java/com/baeldung/testpropertysource/DefaultTestPropertySourceIntegrationTest.java

@@ -0,0 +1,26 @@
+package com.baeldung.testpropertysource;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@ContextConfiguration(classes = ClassUsingProperty.class)
+@TestPropertySource
+public class DefaultTestPropertySourceIntegrationTest {
+
+    @Autowired
+    ClassUsingProperty classUsingProperty;
+
+    @Test
+    public void givenDefaultTestPropertySource_whenVariableOneRetrieved_thenValueInDefaultFileReturned() {
+        String output = classUsingProperty.retrievePropertyOne();
+
+        assertThat(output).isEqualTo("default-value");
+    }
+}

testing-modules/spring-testing/src/test/java/com/baeldung/testpropertysource/LocationTestPropertySourceIntegrationTest.java

@@ -0,0 +1,26 @@
+package com.baeldung.testpropertysource;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@ContextConfiguration(classes = ClassUsingProperty.class)
+@TestPropertySource(locations = "/other-location.properties")
+public class LocationTestPropertySourceIntegrationTest {
+
+    @Autowired
+    ClassUsingProperty classUsingProperty;
+
+    @Test
+    public void givenDefaultTestPropertySource_whenVariableOneRetrieved_thenValueInDefaultFileReturned() {
+        String output = classUsingProperty.retrievePropertyOne();
+
+        assertThat(output).isEqualTo("other-location-value");
+    }
+}

testing-modules/spring-testing/src/test/java/com/baeldung/testpropertysource/PropertiesTestPropertySourceIntegrationTest.java

@@ -0,0 +1,26 @@
+package com.baeldung.testpropertysource;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@ContextConfiguration(classes = ClassUsingProperty.class)
+@TestPropertySource(locations = "/other-location.properties", properties = "baeldung.testpropertysource.one=other-properties-value")
+public class PropertiesTestPropertySourceIntegrationTest {
+
+    @Autowired
+    ClassUsingProperty classUsingProperty;
+
+    @Test
+    public void givenDefaultTestPropertySource_whenVariableOneRetrieved_thenValueInDefaultFileReturned() {
+        String output = classUsingProperty.retrievePropertyOne();
+
+        assertThat(output).isEqualTo("other-properties-value");
+    }
+}

testing-modules/spring-testing/src/test/resources/com/baeldung/testpropertysource/DefaultTestPropertySourceIntegrationTest.properties

@@ -0,0 +1 @@
+baeldung.testpropertysource.one=default-value

testing-modules/spring-testing/src/test/resources/other-location.properties

@@ -0,0 +1 @@
+baeldung.testpropertysource.one=other-location-value