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reformat and add test file

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This commit is contained in:
nnhai1991@gmail.com 2018-07-05 21:03:43 +08:00
parent 06f9a5f445
commit f325351275
2 changed files with 24 additions and 30 deletions
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54
core-java-8/src/test/java/com/baeldung/fileToBase64StringConversion/FileToBase64StringConversionUnitTest.java
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@ -3,7 +3,6 @@ package com.baeldung.fileToBase64StringConversion;
import static org.junit.Assert.assertTrue; import static org.junit.Assert.assertTrue;
import java.io.File; import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException; import java.io.IOException;
import java.util.Base64; import java.util.Base64;
@ -12,38 +11,33 @@ import org.junit.Test;
public class FileToBase64StringConversionUnitTest { public class FileToBase64StringConversionUnitTest {
private String inputFilePath = ""; private String inputFilePath = "test_image.jpg";
private String outputFilePath = ""; private String outputFilePath = "test_image_copy.jpg";
@Test @Test
// file paths are from environment arguments: public void fileToBase64StringConversion() throws IOException {
// mvn test //load file from /src/test/resources
// -Dtest=com.baeldung.fileToBase64StringConversion.FileToBase64StringConversionUnitTest ClassLoader classLoader = getClass().getClassLoader();
// -DinputFilePath="abc.png" -DoutFilePath="abc.png" File inputFile = new File(classLoader
.getResource(inputFilePath)
.getFile());
public void fileToBase64StringConversion() throws FileNotFoundException, IOException { byte[] fileContent = FileUtils.readFileToByteArray(inputFile);
inputFilePath = System.getProperty("inputFilePath"); String encodedString = Base64
outputFilePath = System.getProperty("outputFilePath"); .getEncoder()
.encodeToString(fileContent);
if (inputFilePath == null || outputFilePath == null) //create output file
return; File outputFile = new File(inputFile
.getParentFile()
.getAbsolutePath() + File.pathSeparator + outputFilePath);
File outputFile = new File(outputFilePath); // decode the string and write to file
File inputFile = new File(inputFilePath); byte[] decodedBytes = Base64
.getDecoder()
.decode(encodedString);
FileUtils.writeByteArrayToFile(outputFile, decodedBytes);
if (!inputFile.exists()) assertTrue(FileUtils.contentEquals(inputFile, outputFile));
return; }
byte[] fileContent = FileUtils.readFileToByteArray(inputFile);
String encodedString = Base64.getEncoder().encodeToString(fileContent);
// print encoded base64 String
System.out.println(encodedString);
// decode the string and write to file
byte[] decodedBytes = Base64.getDecoder().decode(encodedString);
FileUtils.writeByteArrayToFile(outputFile, decodedBytes);
assertTrue(outputFile.length() == fileContent.length);
}
} }

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