34 lines
802 B
Java
34 lines
802 B
Java
package lower_gmail_com;
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import static org.junit.Assert.assertEquals;
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import java.io.ByteArrayOutputStream;
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import java.io.PrintStream;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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public class JUnitBookStoreTest {
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private final ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
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private final PrintStream oPrintStream = System.out;
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@Before
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public void setUpStream() {
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System.setOut(new PrintStream(outputStream));
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}
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@After
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public void restoreStream() {
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System.setOut(oPrintStream);
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}
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@Test
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public void isAngka() {
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lower_gmail_com.BookStore.main(null);
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String expectedOutput = "diskon yang didapatkan adalah 20%";
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assertEquals("Output not the same", expectedOutput, outputStream.toString());
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}
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}
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