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  1. import static java.lang.System.in;
  2. import static java.lang.System.setIn;
  3. import static org.junit.Assert.fail;
  4.  
  5. import java.io.BufferedOutputStream;
  6. import java.io.BufferedReader;
  7. import java.io.ByteArrayInputStream;
  8. import java.io.IOException;
  9. import java.io.InputStream;
  10. import java.io.InputStreamReader;
  11. import java.io.PipedInputStream;
  12. import java.io.PipedOutputStream;
  13. import java.io.PrintStream;
  14. import java.nio.channels.Pipe;
  15.  
  16. import org.jmock.Expectations;
  17. import org.jmock.Mockery;
  18. import org.jmock.lib.legacy.ClassImposteriser;
  19. import org.junit.After;
  20. import org.junit.Before;
  21. import org.junit.Rule;
  22. import org.junit.Test;
  23.  
  24. public class UnitTests {
  25. 	private Mockery context = new Mockery() {{
  26. 		setImposteriser(ClassImposteriser.INSTANCE);
  27. 	}};
  28. 	private main mn;
  29. 	private InputStream oldIn;
  30. 	private PrintStream oldOut;
  31. 	private InputStream mockIn;
  32. 	private InputStreamReader mockinputStream;
  33. 	private PrintStream mockOut;
  34. 	private BufferedReader reader;
  35.  
  36.  
  37. 	@Before
  38. 	public void setMinimalMockingExpectations() throws IOException {
  39. 		mn = context.mock(main.class);
  40. 		reader = context.mock(BufferedReader.class);
  41. 		mockinputStream = context.mock(InputStreamReader.class);
  42. 		oldIn = System.in;
  43. 		oldOut = System.out;
  44. 		mockIn = context.mock(InputStream.class);
  45. 		mockOut = context.mock(PrintStream.class);
  46. 		System.setOut(mockOut);
  47. 		//System.setIn(mockIn);
  48. 	}
  49.  
  50. 	@After
  51. 	public void reset() {
  52. 		System.setOut(oldOut);
  53. 		//System.setIn(oldIn);
  54. 	}
  55.  
  56. 	@Test
  57. 	public void EnsureFileCheckExists() throws IOException {
  58. 		InputStream originalIn = System.in;
  59. 		PipedInputStream pipeInput = new PipedInputStream();
  60. 		BufferedReader reader = new BufferedReader(new InputStreamReader(pipeInput));
  61. 		final PipedOutputStream out = new PipedOutputStream(pipeInput);
  62. 		System.setIn(pipeInput);
  63. 		out.write("F\n".getBytes());
  64. 		pipeInput.mark(2);
  65. 		out.write("DNE!\n".getBytes());
  66.  
  67. 		Expectations exp;
  68. 		exp = new Expectations() {{
  69. 			one(mockOut).println("Do you want to process standard (I)nput, or a (F)ile? I/F");
  70. 			one(mockOut).println("Enter filename: ");
  71.  
  72. 			//System.setIn(new ByteArrayInputStream("DNE".getBytes()));
  73. 			//one(mn).readInput(); will(returnValue("-1"));
  74. 			//one(mn).readInput(); will(returnValue(DNE));
  75. 			//one(mn).ensureFileExists(DNE); will(returnValue(false));
  76. 		}};
  77. 		context.checking(exp);
  78. 		main.main(null);
  79. 		System.setIn(originalIn);
  80. 	}
  81. }
  82.  
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https://ideone.com/MwvzN
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
secret

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