Package org.springframework.boot.test.rule

Class OutputCapture

  • All Implemented Interfaces:
    org.junit.rules.TestRule
    public class OutputCapture
extends Object
implements org.junit.rules.TestRule
    JUnit @Rule to capture output from System.out and System.err.
    Since:
    1.4.0

    • Method Detail

      • apply

        public org.junit.runners.model.Statement apply​(org.junit.runners.model.Statement base,
                                               org.junit.runner.Description description)
        Specified by:
        apply in interface org.junit.rules.TestRule

      • reset

        public void reset()
        Discard all currently accumulated output.

      • flush

        public void flush()

      • expect

        public void expect​(org.hamcrest.Matcher<? super String> matcher)
        Verify that the output is matched by the supplied matcher. Verification is performed after the test method has executed.
        Parameters:
        matcher - the matcher