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add unit tests

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This commit is contained in:
Diane Duan 2016-11-15 12:37:17 +08:00
parent dd6946585f
commit d2e52b4368
10 changed files with 170 additions and 96 deletions
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57
core-java/src/main/java/com/baeldung/properties/OperationsDemo.java
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@ -1,57 +0,0 @@
package com.baeldung.properties;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Properties;
public class OperationsDemo {
public static void main(String[] args) throws IOException {
String rootPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
String appConfigPath = rootPath + "app.properties";
Properties appProps = new Properties();
appProps.load(new FileInputStream(appConfigPath));
// retrieve values
String appVersion = appProps.getProperty("version");
String appName = appProps.getProperty("name", "defaultName");
String appGroup = appProps.getProperty("group", "baeldung");
String appDownloadAddr = appProps.getProperty("downloadAddr");
System.out.println(appVersion);
System.out.println(appName);
System.out.println(appGroup);
System.out.println(appDownloadAddr);
// set values
appProps.setProperty("name", "NewAppName");
appProps.setProperty("downloadAddr", "www.baeldung.com/downloads");
appName = appProps.getProperty("name");
appDownloadAddr = appProps.getProperty("downloadAddr");
System.out.println("new app name: " + appName);
System.out.println("new app downloadAddr: " + appDownloadAddr);
// remove a key-value pair
System.out.println("before removal, version is: " + appProps.getProperty("version"));
appProps.remove("version");
System.out.println("after removal, version is: " + appProps.getProperty("version"));
// list all key-value pairs
appProps.list(System.out);
// get an enumeration of all values
Enumeration<Object> valueEnumeration = appProps.elements();
while (valueEnumeration.hasMoreElements()) {
System.out.println(valueEnumeration.nextElement());
}
// get an enumeration of all keys
Enumeration<Object> keyEnumeration = appProps.keys();
while (keyEnumeration.hasMoreElements()) {
System.out.println(keyEnumeration.nextElement());
}
// get the count of key-value pairs
int size = appProps.size();
System.out.println(size);
}
}

30
core-java/src/main/java/com/baeldung/properties/StoreDemo.java
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@ -1,30 +0,0 @@
package com.baeldung.properties;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.util.Properties;
public class StoreDemo {
public static void main(String[] args) throws IOException {
String rootPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
String appConfigPath = rootPath + "app.properties";
// load the original properties
Properties appProps = new Properties();
appProps.load(new FileInputStream(appConfigPath));
// update property list
appProps.setProperty("name", "NewAppName");
appProps.setProperty("downloadAddr", "www.baeldung.com/downloads");
// store new property list in properties file
String newAppConfigPropertiesFile = rootPath + "newApp.properties";
appProps.store(new FileWriter(newAppConfigPropertiesFile), "store to properties file");
// store new property list in XML file
String newAppConfigXmlFile = rootPath + "newApp.xml";
appProps.storeToXML(new FileOutputStream(newAppConfigXmlFile), "store to xml file");
}
}

17
core-java/src/main/java/com/baeldung/properties/DefaultListDemo.java → core-java/src/test/java/com/baeldung/properties/PropertiesDefaultListTest.java
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@ -1,11 +1,18 @@
package com.baeldung.properties;
import org.junit.Test;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;
public class DefaultListDemo {
public static void main(String[] args) throws IOException {
import static org.hamcrest.core.IsEqual.equalTo;
import static org.junit.Assert.assertThat;
public class PropertiesDefaultListTest {
@Test
public void testDefaultList() throws IOException {
String rootPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
String defaultConfigPath = rootPath + "default.properties";
String appConfigPath = rootPath + "app.properties";
@ -16,8 +23,8 @@ public class DefaultListDemo {
Properties appProps = new Properties(defaultProps);
appProps.load(new FileInputStream(appConfigPath));
System.out.println(appProps.getProperty("name"));
System.out.println(appProps.getProperty("version"));
System.out.println(appProps.getProperty("site"));
assertThat(appProps.getProperty("name"), equalTo("TestApp"));
assertThat(appProps.getProperty("version"), equalTo("1.0"));
assertThat(appProps.getProperty("site"), equalTo("www.google.com"));
}
}

14
core-java/src/main/java/com/baeldung/properties/LoadDemo.java → core-java/src/test/java/com/baeldung/properties/PropertiesLoadTest.java
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@ -1,15 +1,17 @@
package com.baeldung.properties;
import org.junit.Test;
import java.io.FileInputStream;
import java.io.IOException;
import java.util.Properties;
public class LoadDemo {
public static void main(String[] args) throws IOException {
public class PropertiesLoadTest {
@Test
public void testLoadFromPropertiesFiles() throws IOException {
String rootPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
String appConfigPath = rootPath + "app.properties";
String catalogConfigPath = rootPath + "catalog";
String iconConfigPath = rootPath + "icons.xml";
// load from properties file which use .properties as the suffix
Properties appProps = new Properties();
@ -18,8 +20,12 @@ public class LoadDemo {
// load from properties file which not use .properties as the suffix
Properties catalogProps = new Properties();
catalogProps.load(new FileInputStream(catalogConfigPath));
}
// load from XML file
@Test
public void testLoadFromXmlFile() throws IOException {
String rootPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
String iconConfigPath = rootPath + "icons.xml";
Properties iconProps = new Properties();
iconProps.loadFromXML(new FileInputStream(iconConfigPath));
}

97
core-java/src/test/java/com/baeldung/properties/PropertiesOperationsTest.java Normal file
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@ -0,0 +1,97 @@
package com.baeldung.properties;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import org.junit.Before;
import org.junit.Test;
import org.testng.annotations.BeforeClass;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.List;
import java.util.Properties;
import java.util.Set;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
public class PropertiesOperationsTest {
private Properties appProps;
@Before
public void beforeClass() throws IOException {
String rootPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
String appConfigPath = rootPath + "app.properties";
appProps = new Properties();
appProps.load(new FileInputStream(appConfigPath));
}
@Test
public void testGetProperties() {
String appVersion = appProps.getProperty("version");
String appName = appProps.getProperty("name", "defaultName");
String appGroup = appProps.getProperty("group", "baeldung");
String appDownloadAddr = appProps.getProperty("downloadAddr");
assertThat(appVersion, equalTo("1.0"));
assertThat(appName, equalTo("TestApp"));
assertThat(appGroup, equalTo("baeldung"));
assertThat(appDownloadAddr, equalTo(null));
}
@Test
public void testSetProperties() {
appProps.setProperty("name", "NewAppName");
appProps.setProperty("downloadAddr", "www.baeldung.com/downloads");
String appName = appProps.getProperty("name");
String appDownloadAddr = appProps.getProperty("downloadAddr");
assertThat(appName, equalTo("NewAppName"));
assertThat(appDownloadAddr, equalTo("www.baeldung.com/downloads"));
}
@Test
public void testRemoveProperties() {
String versionBeforeRemoval = appProps.getProperty("version");
assertThat(versionBeforeRemoval, equalTo("1.0"));
appProps.remove("version");
String versionAfterRemoval = appProps.getProperty("version");
assertThat(versionAfterRemoval, equalTo(null));
}
@Test
public void testGetEnumerationOfValues() {
Enumeration<Object> valueEnumeration = appProps.elements();
List<String> values = Lists.newArrayList();
while (valueEnumeration.hasMoreElements()) {
String val = String.valueOf(valueEnumeration.nextElement());
values.add(val);
}
assertArrayEquals(new String[] {"1.0", "2016-11-12", "TestApp"}, values.toArray());
}
@Test
public void testGetEnumerationOfKeys() {
Enumeration<Object> keyEnumeration = appProps.keys();
List<String> keys = Lists.newArrayList();
while (keyEnumeration.hasMoreElements()) {
String key = String.valueOf(keyEnumeration.nextElement());
keys.add(key);
}
assertArrayEquals(new String[] {"version", "date", "name"}, keys.toArray());
}
@Test
public void testGetSize() {
int size = appProps.size();
assertThat(size, equalTo(3));
}
}

51
core-java/src/test/java/com/baeldung/properties/PropertiesStoreTest.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.properties;
import org.junit.Before;
import org.junit.Test;
import org.testng.annotations.BeforeClass;
import java.io.*;
import java.util.Properties;
import static org.hamcrest.core.IsEqual.equalTo;
import static org.junit.Assert.assertThat;
public class PropertiesStoreTest {
private static Properties appProps = new Properties();
@Before
public void before() throws IOException {
String rootPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
String appConfigPath = rootPath + "app.properties";
// load the original properties
appProps.load(new FileInputStream(appConfigPath));
// update property list
appProps.setProperty("name", "NewAppName");
appProps.setProperty("downloadAddr", "www.baeldung.com/downloads");
}
@Test
public void testStoreToPropertiesFile() throws IOException {
String rootPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
String newAppConfigPropertiesFile = rootPath + "newApp.properties";
appProps.store(new FileWriter(newAppConfigPropertiesFile), "store to properties file");
Properties verifyProps = new Properties();
verifyProps.load(new FileInputStream(newAppConfigPropertiesFile));
assertThat(verifyProps.getProperty("name"), equalTo("NewAppName"));
}
@Test
public void testStoreToXmlFile() throws IOException {
String rootPath = Thread.currentThread().getContextClassLoader().getResource("").getPath();
String newAppConfigXmlFile = rootPath + "newApp.xml";
appProps.storeToXML(new FileOutputStream(newAppConfigXmlFile), "store to xml file");
Properties verifyProps = new Properties();
verifyProps.loadFromXML(new FileInputStream(newAppConfigXmlFile));
assertThat(verifyProps.getProperty("downloadAddr"), equalTo("www.baeldung.com/downloads"));
}
}

0
core-java/src/main/resources/app.properties → core-java/src/test/resources/app.properties
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0
core-java/src/main/resources/catalog → core-java/src/test/resources/catalog
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0
core-java/src/main/resources/default.properties → core-java/src/test/resources/default.properties
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0
core-java/src/main/resources/icons.xml → core-java/src/test/resources/icons.xml
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