From 31af57528e1e8a853f9b3f63e91b4e4a187c0392 Mon Sep 17 00:00:00 2001
From: rozagerardo <rozagerardo@gmail.com>
Date: Sun, 16 Sep 2018 01:46:42 -0300
Subject: [PATCH] [BAEL-1626] testing-modules | A Quick Guide to
 @TestPropertySource (#5255)

* *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
---
 .../spring-context-testing/pom.xml            | 25 ++++++++++++++++++
 .../ClassUsingProperty.java                   | 15 +++++++++++
 ...aultTestPropertySourceIntegrationTest.java | 26 +++++++++++++++++++
 ...tionTestPropertySourceIntegrationTest.java | 26 +++++++++++++++++++
 ...tiesTestPropertySourceIntegrationTest.java | 26 +++++++++++++++++++
 ...stPropertySourceIntegrationTest.properties |  1 +
 .../test/resources/other-location.properties  |  1 +
 7 files changed, 120 insertions(+)
 create mode 100644 testing-modules/spring-context-testing/pom.xml
 create mode 100644 testing-modules/spring-context-testing/src/main/java/com/baeldung/testpropertysource/ClassUsingProperty.java
 create mode 100644 testing-modules/spring-context-testing/src/test/java/com/baeldung/testpropertysource/DefaultTestPropertySourceIntegrationTest.java
 create mode 100644 testing-modules/spring-context-testing/src/test/java/com/baeldung/testpropertysource/LocationTestPropertySourceIntegrationTest.java
 create mode 100644 testing-modules/spring-context-testing/src/test/java/com/baeldung/testpropertysource/PropertiesTestPropertySourceIntegrationTest.java
 create mode 100644 testing-modules/spring-context-testing/src/test/resources/com/baeldung/testpropertysource/DefaultTestPropertySourceIntegrationTest.properties
 create mode 100644 testing-modules/spring-context-testing/src/test/resources/other-location.properties

diff --git a/testing-modules/spring-context-testing/pom.xml b/testing-modules/spring-context-testing/pom.xml
new file mode 100644
index 0000000000..148192d6c5
--- /dev/null
+++ b/testing-modules/spring-context-testing/pom.xml
@@ -0,0 +1,25 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung</groupId>
+    <artifactId>spring-context-testing</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter</artifactId>
+            <version>${spring.boot.starter.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+            <version>${spring.boot.starter.version}</version>
+        </dependency>
+    </dependencies>
+
+    <properties>
+        <spring.boot.starter.version>2.0.4.RELEASE</spring.boot.starter.version>
+    </properties>
+</project>
diff --git a/testing-modules/spring-context-testing/src/main/java/com/baeldung/testpropertysource/ClassUsingProperty.java b/testing-modules/spring-context-testing/src/main/java/com/baeldung/testpropertysource/ClassUsingProperty.java
new file mode 100644
index 0000000000..d545daf0df
--- /dev/null
+++ b/testing-modules/spring-context-testing/src/main/java/com/baeldung/testpropertysource/ClassUsingProperty.java
@@ -0,0 +1,15 @@
+package com.baeldung.testpropertysource;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+@Component
+public class ClassUsingProperty {
+    
+    @Value("${baeldung.testpropertysource.one}")
+    private String propertyOne;
+    
+    public String retrievePropertyOne() {
+        return propertyOne;
+    }
+}
diff --git a/testing-modules/spring-context-testing/src/test/java/com/baeldung/testpropertysource/DefaultTestPropertySourceIntegrationTest.java b/testing-modules/spring-context-testing/src/test/java/com/baeldung/testpropertysource/DefaultTestPropertySourceIntegrationTest.java
new file mode 100644
index 0000000000..f983abdd54
--- /dev/null
+++ b/testing-modules/spring-context-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");
+    }
+}
diff --git a/testing-modules/spring-context-testing/src/test/java/com/baeldung/testpropertysource/LocationTestPropertySourceIntegrationTest.java b/testing-modules/spring-context-testing/src/test/java/com/baeldung/testpropertysource/LocationTestPropertySourceIntegrationTest.java
new file mode 100644
index 0000000000..93d4cc58da
--- /dev/null
+++ b/testing-modules/spring-context-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");
+    }
+}
diff --git a/testing-modules/spring-context-testing/src/test/java/com/baeldung/testpropertysource/PropertiesTestPropertySourceIntegrationTest.java b/testing-modules/spring-context-testing/src/test/java/com/baeldung/testpropertysource/PropertiesTestPropertySourceIntegrationTest.java
new file mode 100644
index 0000000000..d98e2b9f98
--- /dev/null
+++ b/testing-modules/spring-context-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");
+    }
+}
diff --git a/testing-modules/spring-context-testing/src/test/resources/com/baeldung/testpropertysource/DefaultTestPropertySourceIntegrationTest.properties b/testing-modules/spring-context-testing/src/test/resources/com/baeldung/testpropertysource/DefaultTestPropertySourceIntegrationTest.properties
new file mode 100644
index 0000000000..a443a2b776
--- /dev/null
+++ b/testing-modules/spring-context-testing/src/test/resources/com/baeldung/testpropertysource/DefaultTestPropertySourceIntegrationTest.properties
@@ -0,0 +1 @@
+baeldung.testpropertysource.one=default-value
\ No newline at end of file
diff --git a/testing-modules/spring-context-testing/src/test/resources/other-location.properties b/testing-modules/spring-context-testing/src/test/resources/other-location.properties
new file mode 100644
index 0000000000..6ef791ec75
--- /dev/null
+++ b/testing-modules/spring-context-testing/src/test/resources/other-location.properties
@@ -0,0 +1 @@
+baeldung.testpropertysource.one=other-location-value
\ No newline at end of file