moving between packages

spring-boot/src/test/java/com/baeldung/properties/ConfigPropertiesIntegrationTest.java

@@ -0,0 +1,45 @@
+package com.baeldung.properties;
+
+import org.baeldung.properties.ConfigProperties;
+import org.baeldung.properties.ConfigPropertiesDemoApplication;
+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.TestPropertySource;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(classes = ConfigPropertiesDemoApplication.class)
+@TestPropertySource("classpath:configprops-test.properties")
+public class ConfigPropertiesIntegrationTest {
+
+    @Autowired
+    private ConfigProperties properties;
+
+    @Test
+    public void whenSimplePropertyQueriedthenReturnsProperty() throws Exception {
+        Assert.assertTrue("From address is read as null!", properties.getFrom() != null);
+    }
+
+    @Test
+    public void whenListPropertyQueriedthenReturnsProperty() throws Exception {
+        Assert.assertTrue("Couldn't bind list property!", properties.getDefaultRecipients().size() == 2);
+        Assert.assertTrue("Incorrectly bound list property. Expected 2 entries!", properties.getDefaultRecipients().size() == 2);
+    }
+
+    @Test
+    public void whenMapPropertyQueriedthenReturnsProperty() throws Exception {
+        Assert.assertTrue("Couldn't bind map property!", properties.getAdditionalHeaders() != null);
+        Assert.assertTrue("Incorrectly bound map property. Expected 3 Entries!", properties.getAdditionalHeaders().size() == 3);
+    }
+
+    @Test
+    public void whenObjectPropertyQueriedthenReturnsProperty() throws Exception {
+        Assert.assertTrue("Couldn't bind map property!", properties.getCredentials() != null);
+        Assert.assertTrue("Incorrectly bound object property!", properties.getCredentials().getAuthMethod().equals("SHA1"));
+        Assert.assertTrue("Incorrectly bound object property!", properties.getCredentials().getUsername().equals("john"));
+        Assert.assertTrue("Incorrectly bound object property!", properties.getCredentials().getPassword().equals("password"));
+    }
+}

spring-boot/src/test/java/com/baeldung/properties/JsonPropertiesIntegrationTest.java

@@ -0,0 +1,63 @@
+package com.baeldung.properties;
+
+import java.util.Arrays;
+
+import org.baeldung.properties.ConfigPropertiesDemoApplication;
+import org.baeldung.properties.CustomJsonProperties;
+import org.baeldung.properties.JsonProperties;
+import org.baeldung.properties.JsonPropertyContextInitializer;
+import org.hamcrest.Matchers;
+import org.junit.Assert;
+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 = ConfigPropertiesDemoApplication.class, initializers = JsonPropertyContextInitializer.class)
+public class JsonPropertiesIntegrationTest {
+
+    @Autowired
+    private JsonProperties jsonProperties;
+
+    @Autowired
+    private CustomJsonProperties customJsonProperties;
+
+    @Test
+    public void whenPropertiesLoadedViaJsonPropertySource_thenLoadFlatValues() {
+        Assert.assertEquals("mailer@mail.com", jsonProperties.getHost());
+        Assert.assertEquals(9090, jsonProperties.getPort());
+        Assert.assertTrue(jsonProperties.isResend());
+    }
+
+    @Test
+    public void whenPropertiesLoadedViaJsonPropertySource_thenLoadListValues() {
+        Assert.assertThat(jsonProperties.getTopics(), Matchers.is(Arrays.asList("spring", "boot")));
+    }
+
+    @Test
+    public void whenPropertiesLoadedViaJsonPropertySource_thenNestedLoadedAsMap() {
+        Assert.assertEquals("sender", jsonProperties.getSender()
+            .get("name"));
+        Assert.assertEquals("street", jsonProperties.getSender()
+            .get("address"));
+    }
+
+    @Test
+    public void whenLoadedIntoEnvironment_thenFlatValuesPopulated() {
+        Assert.assertEquals("mailer@mail.com", customJsonProperties.getHost());
+        Assert.assertEquals(9090, customJsonProperties.getPort());
+        Assert.assertTrue(customJsonProperties.isResend());
+    }
+
+    @Test
+    public void whenLoadedIntoEnvironment_thenValuesLoadedIntoClassObject() {
+        Assert.assertNotNull(customJsonProperties.getSender());
+        Assert.assertEquals("sender", customJsonProperties.getSender()
+            .getName());
+        Assert.assertEquals("street", customJsonProperties.getSender()
+            .getAddress());
+    }
+
+}