Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

testing-modules/spring-testing/src/test/java/com/baeldung/controller/parameterized/RoleControllerIntegrationTest.java

@@ -0,0 +1,49 @@
+package com.baeldung.controller.parameterized;
+
+import com.baeldung.config.WebConfig;
+import org.junit.Before;
+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.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultHandlers;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@WebAppConfiguration
+@ContextConfiguration(classes = WebConfig.class)
+public class RoleControllerIntegrationTest {
+
+    @Autowired
+    private WebApplicationContext wac;
+
+    private MockMvc mockMvc;
+
+    private static final String CONTENT_TYPE = "application/text;charset=ISO-8859-1";
+
+    @Before
+    public void setup() throws Exception {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+    }
+
+    @Test
+    public void givenEmployeeNameJohnWhenInvokeRoleThenReturnAdmin() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.get("/role/John")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.content().contentType(CONTENT_TYPE))
+                .andExpect(MockMvcResultMatchers.content().string("ADMIN"));
+    }
+
+    @Test
+    public void givenEmployeeNameDoeWhenInvokeRoleThenReturnEmployee() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.get("/role/Doe")).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.content().contentType(CONTENT_TYPE))
+                .andExpect(MockMvcResultMatchers.content().string("EMPLOYEE"));
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/controller/parameterized/RoleControllerParameterizedClassRuleIntegrationTest.java

@@ -0,0 +1,73 @@
+package com.baeldung.controller.parameterized;
+
+import com.baeldung.config.WebConfig;
+import org.junit.Before;
+import org.junit.ClassRule;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestContextManager;
+import org.springframework.test.context.junit4.rules.SpringClassRule;
+import org.springframework.test.context.junit4.rules.SpringMethodRule;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+
+@RunWith(Parameterized.class)
+@WebAppConfiguration
+@ContextConfiguration(classes = WebConfig.class)
+public class RoleControllerParameterizedClassRuleIntegrationTest {
+
+    private static final String CONTENT_TYPE = "application/text;charset=ISO-8859-1";
+
+    @ClassRule
+    public static final SpringClassRule scr = new SpringClassRule();
+
+    @Rule
+    public final SpringMethodRule smr = new SpringMethodRule();
+
+    @Autowired
+    private WebApplicationContext wac;
+
+    private MockMvc mockMvc;
+
+    @Parameter(value = 0)
+    public String name;
+
+    @Parameter(value = 1)
+    public String role;
+
+    @Parameters
+    public static Collection<Object[]> data() {
+        Collection<Object[]> params = new ArrayList();
+        params.add(new Object[]{"John", "ADMIN"});
+        params.add(new Object[]{"Doe", "EMPLOYEE"});
+
+        return params;
+    }
+
+    @Before
+    public void setup() throws Exception {
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+    }
+
+    @Test
+    public void givenEmployeeNameWhenInvokeRoleThenReturnRole() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.get("/role/" + name)).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.content().contentType(CONTENT_TYPE))
+                .andExpect(MockMvcResultMatchers.content().string(role));
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/controller/parameterized/RoleControllerParameterizedIntegrationTest.java

@@ -0,0 +1,69 @@
+package com.baeldung.controller.parameterized;
+
+import com.baeldung.config.WebConfig;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestContextManager;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+import org.springframework.test.context.web.WebAppConfiguration;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
+import org.springframework.test.web.servlet.result.MockMvcResultMatchers;
+import org.springframework.test.web.servlet.setup.MockMvcBuilders;
+import org.springframework.web.context.WebApplicationContext;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import static org.springframework.test.web.servlet.result.MockMvcResultHandlers.print;
+
+@RunWith(Parameterized.class)
+@WebAppConfiguration
+@ContextConfiguration(classes = WebConfig.class)
+public class RoleControllerParameterizedIntegrationTest {
+
+    private static final String CONTENT_TYPE = "application/text;charset=ISO-8859-1";
+
+    @Autowired
+    private WebApplicationContext wac;
+
+    private MockMvc mockMvc;
+
+    private TestContextManager testContextManager;
+
+    @Parameter(value = 0)
+    public String name;
+
+    @Parameter(value = 1)
+    public String role;
+
+    @Parameters
+    public static Collection<Object[]> data() {
+        Collection<Object[]> params = new ArrayList();
+        params.add(new Object[]{"John", "ADMIN"});
+        params.add(new Object[]{"Doe", "EMPLOYEE"});
+
+        return params;
+    }
+
+    @Before
+    public void setup() throws Exception {
+        this.testContextManager = new TestContextManager(getClass());
+        this.testContextManager.prepareTestInstance(this);
+
+        this.mockMvc = MockMvcBuilders.webAppContextSetup(this.wac).build();
+    }
+
+    @Test
+    public void givenEmployeeNameWhenInvokeRoleThenReturnRole() throws Exception {
+        this.mockMvc.perform(MockMvcRequestBuilders.get("/role/" + name)).andDo(print()).andExpect(MockMvcResultMatchers.status().isOk()).andExpect(MockMvcResultMatchers.content().contentType(CONTENT_TYPE))
+                .andExpect(MockMvcResultMatchers.content().string(role));
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/dirtiescontext/DirtiesContextIntegrationTest.java

@@ -0,0 +1,51 @@
+package com.baeldung.dirtiescontext;
+
+import org.junit.jupiter.api.MethodOrderer.OrderAnnotation;
+import org.junit.jupiter.api.Order;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestMethodOrder;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.annotation.DirtiesContext;
+import org.springframework.test.annotation.DirtiesContext.MethodMode;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+@TestMethodOrder(OrderAnnotation.class)
+@ExtendWith(SpringExtension.class)
+@SpringBootTest(classes = SpringDataRestApplication.class)
+@EnableWebMvc
+class DirtiesContextIntegrationTest {
+
+    @Autowired
+    protected UserCache userCache;
+
+    @Test
+    @Order(1)
+    void addJaneDoeAndPrintCache() {
+        userCache.addUser("Jane Doe");
+        userCache.printUserList("addJaneDoeAndPrintCache");
+    }
+
+    @Test
+    @Order(2)
+    void printCache() {
+        userCache.printUserList("printCache");
+    }
+
+    @DirtiesContext(methodMode = MethodMode.AFTER_METHOD)
+    @Test
+    @Order(3)
+    void addJohnDoeAndPrintCache() {
+        userCache.addUser("John Doe");
+        userCache.printUserList("addJohnDoeAndPrintCache");
+    }
+
+    @Test
+    @Order(4)
+    void printCacheAgain() {
+        userCache.printUserList("printCacheAgain");
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/overrideproperties/ContextPropertySourceResolverIntegrationTest.java

@@ -0,0 +1,27 @@
+package com.baeldung.overrideproperties;
+
+import com.baeldung.overrideproperties.resolver.PropertySourceResolver;
+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.junit4.SpringRunner;
+
+import static org.junit.Assert.assertEquals;
+
+@RunWith(SpringRunner.class)
+@ContextConfiguration(initializers = PropertyOverrideContextInitializer.class, classes = Application.class)
+public class ContextPropertySourceResolverIntegrationTest {
+
+    @Autowired private PropertySourceResolver propertySourceResolver;
+
+    @Test
+    public void shouldContext_overridePropertyValues() {
+        final String firstProperty = propertySourceResolver.getFirstProperty();
+        final String secondProperty = propertySourceResolver.getSecondProperty();
+
+        assertEquals(PropertyOverrideContextInitializer.PROPERTY_FIRST_VALUE, firstProperty);
+        assertEquals("contextFile", secondProperty);
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/overrideproperties/ProfilePropertySourceResolverIntegrationTest.java

@@ -0,0 +1,33 @@
+package com.baeldung.overrideproperties;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.ActiveProfiles;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+import com.baeldung.overrideproperties.resolver.PropertySourceResolver;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+@ActiveProfiles("test")
+@EnableWebMvc
+public class ProfilePropertySourceResolverIntegrationTest {
+
+    @Autowired
+    private PropertySourceResolver propertySourceResolver;
+
+    @Test
+    public void shouldProfiledProperty_overridePropertyValues() {
+        final String firstProperty = propertySourceResolver.getFirstProperty();
+        final String secondProperty = propertySourceResolver.getSecondProperty();
+
+        assertEquals("profile", firstProperty);
+        assertEquals("file", secondProperty);
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/overrideproperties/PropertyOverrideContextInitializer.java

@@ -0,0 +1,17 @@
+package com.baeldung.overrideproperties;
+
+import org.springframework.context.ApplicationContextInitializer;
+import org.springframework.context.ConfigurableApplicationContext;
+import org.springframework.test.context.support.TestPropertySourceUtils;
+
+public class PropertyOverrideContextInitializer implements ApplicationContextInitializer<ConfigurableApplicationContext> {
+
+    static final String PROPERTY_FIRST_VALUE = "contextClass";
+
+    @Override
+    public void initialize(ConfigurableApplicationContext configurableApplicationContext) {
+        TestPropertySourceUtils.addInlinedPropertiesToEnvironment(configurableApplicationContext, "example.firstProperty=" + PROPERTY_FIRST_VALUE);
+
+        TestPropertySourceUtils.addPropertiesFilesToEnvironment(configurableApplicationContext, "context-override-application.properties");
+    }
+}

testing-modules/spring-testing/src/test/java/com/baeldung/overrideproperties/SpringBootPropertySourceResolverIntegrationTest.java

@@ -0,0 +1,30 @@
+package com.baeldung.overrideproperties;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+import com.baeldung.overrideproperties.resolver.PropertySourceResolver;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(properties = { "example.firstProperty=annotation" })
+@EnableWebMvc
+public class SpringBootPropertySourceResolverIntegrationTest {
+
+    @Autowired
+    private PropertySourceResolver propertySourceResolver;
+
+    @Test
+    public void shouldSpringBootTestAnnotation_overridePropertyValues() {
+        final String firstProperty = propertySourceResolver.getFirstProperty();
+        final String secondProperty = propertySourceResolver.getSecondProperty();
+
+        Assert.assertEquals("annotation", firstProperty);
+        Assert.assertEquals("file", secondProperty);
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/overrideproperties/TestResourcePropertySourceResolverIntegrationTest.java

@@ -0,0 +1,31 @@
+package com.baeldung.overrideproperties;
+
+import static org.junit.Assert.assertEquals;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+
+import com.baeldung.overrideproperties.resolver.PropertySourceResolver;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+@EnableWebMvc
+public class TestResourcePropertySourceResolverIntegrationTest {
+
+    @Autowired
+    private PropertySourceResolver propertySourceResolver;
+
+    @Test
+    public void shouldTestResourceFile_overridePropertyValues() {
+        final String firstProperty = propertySourceResolver.getFirstProperty();
+        final String secondProperty = propertySourceResolver.getSecondProperty();
+
+        assertEquals("file", firstProperty);
+        assertEquals("file", secondProperty);
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/scheduled/ScheduledAwaitilityIntegrationTest.java

@@ -0,0 +1,24 @@
+package com.baeldung.scheduled;
+
+import com.baeldung.config.ScheduledConfig;
+import org.awaitility.Duration;
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.mock.mockito.SpyBean;
+import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
+
+import static org.awaitility.Awaitility.await;
+import static org.mockito.Mockito.atLeast;
+import static org.mockito.Mockito.verify;
+
+@SpringJUnitConfig(ScheduledConfig.class)
+public class ScheduledAwaitilityIntegrationTest {
+
+    @SpyBean private Counter counter;
+
+    @Test
+    public void whenWaitOneSecond_thenScheduledIsCalledAtLeastTenTimes() {
+        await()
+          .atMost(Duration.ONE_SECOND)
+          .untilAsserted(() -> verify(counter, atLeast(10)).scheduled());
+    }
+}

testing-modules/spring-testing/src/test/java/com/baeldung/scheduled/ScheduledIntegrationTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.scheduled;
+
+import com.baeldung.config.ScheduledConfig;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+@SpringJUnitConfig(ScheduledConfig.class)
+public class ScheduledIntegrationTest {
+
+    @Autowired Counter counter;
+
+    @Test
+    public void givenSleepBy100ms_whenGetInvocationCount_thenIsGreaterThanZero() throws InterruptedException {
+        Thread.sleep(100L);
+
+        assertThat(counter.getInvocationCount()).isGreaterThan(0);
+    }
+
+}

testing-modules/spring-testing/src/test/java/com/baeldung/testexecutionlisteners/AdditionServiceUnitTest.java

@@ -0,0 +1,22 @@
+package com.baeldung.testexecutionlisteners;
+
+import static org.junit.Assert.assertThat;
+
+import org.hamcrest.Matchers;
+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.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@ContextConfiguration(classes = AdditionService.class)
+public class AdditionServiceUnitTest {
+    @Autowired
+    private AdditionService additionService;
+
+    @Test
+    public void whenValidNumbersPassed_thenReturnSum() {
+        assertThat(additionService.add(5, 13), Matchers.is(18));
+    }
+}

testing-modules/spring-testing/src/test/java/com/baeldung/testexecutionlisteners/CustomTestExecutionListener.java

@@ -0,0 +1,36 @@
+package com.baeldung.testexecutionlisteners;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.core.Ordered;
+import org.springframework.test.context.TestContext;
+import org.springframework.test.context.TestExecutionListener;
+
+public class CustomTestExecutionListener implements TestExecutionListener, Ordered {
+    private static final Logger logger = LoggerFactory.getLogger(CustomTestExecutionListener.class);
+    
+    public void beforeTestClass(TestContext testContext) throws Exception {
+        logger.info("beforeTestClass : {}", testContext.getTestClass());
+    }; 
+    
+    public void prepareTestInstance(TestContext testContext) throws Exception {
+        logger.info("prepareTestInstance : {}", testContext.getTestClass());
+    }; 
+    
+    public void beforeTestMethod(TestContext testContext) throws Exception {
+        logger.info("beforeTestMethod : {}", testContext.getTestMethod());
+    }; 
+    
+    public void afterTestMethod(TestContext testContext) throws Exception {
+        logger.info("afterTestMethod : {}", testContext.getTestMethod());
+    }; 
+    
+    public void afterTestClass(TestContext testContext) throws Exception {
+        logger.info("afterTestClass : {}", testContext.getTestClass());
+    }
+
+    @Override
+    public int getOrder() {
+        return Integer.MAX_VALUE;
+    };
+}

testing-modules/spring-testing/src/test/java/com/baeldung/testexecutionlisteners/TestExecutionListenersWithMergeModeUnitTest.java

@@ -0,0 +1,26 @@
+package com.baeldung.testexecutionlisteners;
+
+import static org.junit.Assert.assertThat;
+
+import org.hamcrest.Matchers;
+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.TestExecutionListeners;
+import org.springframework.test.context.TestExecutionListeners.MergeMode;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@TestExecutionListeners(value = { CustomTestExecutionListener.class }, 
+    mergeMode = MergeMode.MERGE_WITH_DEFAULTS)
+@ContextConfiguration(classes = AdditionService.class)
+public class TestExecutionListenersWithMergeModeUnitTest {
+    @Autowired
+    private AdditionService additionService;
+
+    @Test
+    public void whenValidNumbersPassed_thenReturnSum() {
+        assertThat(additionService.add(5, 13), Matchers.is(18));
+    }
+}

testing-modules/spring-testing/src/test/java/com/baeldung/testexecutionlisteners/TestExecutionListenersWithoutMergeModeUnitTest.java

@@ -0,0 +1,26 @@
+package com.baeldung.testexecutionlisteners;
+
+import static org.junit.Assert.assertThat;
+
+import org.hamcrest.Matchers;
+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.TestExecutionListeners;
+import org.springframework.test.context.junit4.SpringRunner;
+import org.springframework.test.context.support.DependencyInjectionTestExecutionListener;
+
+@RunWith(SpringRunner.class)
+@TestExecutionListeners(value = {CustomTestExecutionListener.class,
+        DependencyInjectionTestExecutionListener.class})
+@ContextConfiguration(classes = AdditionService.class)
+public class TestExecutionListenersWithoutMergeModeUnitTest {
+    @Autowired
+    private AdditionService additionService;
+
+    @Test
+    public void whenValidNumbersPassed_thenReturnSum() {
+        assertThat(additionService.add(5, 13), Matchers.is(18));
+    }
+}

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");
+    }
+}