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package com.example.myproject;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.nio.charset.StandardCharsets;
/**
* Tests using a resource file to replace "Hello" in the output.
*/
public class TestCustomGreeting {
@Test
public void testNoArgument() throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
Greeter.out = new PrintStream(out);
Greeter.main();
assertEquals("Bye world", new String(out.toByteArray(), StandardCharsets.UTF_8).trim());
}
@Test
public void testWithArgument() throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
Greeter.out = new PrintStream(out);
Greeter.main("toto");
assertEquals("Bye toto", new String(out.toByteArray(), StandardCharsets.UTF_8).trim());
}
}
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