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Olivier Bonnet-Torrès / FAQ, Insight
12/01/21 17:53

FAQ - [JAVA] Comment tester un println?

En code:

PrintStream out = System.out;
try {
    ByteArrayOutputStream bo = new ByteArrayOutputStream();
    System.setOut(new PrintStream(bo));
    classUnderTest.fire();
    bo.flush();
    String allWrittenLines = new String(bo.toByteArray());
    assertTrue(allWrittenLines.contains("Running action associated with '1:initial_TO_in progress'"));
} catch (Exception e) {
    e.printStackTrace();
    fail("Exception raised");
} finally {
    System.setOut(out);
}
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