Examples of UsingMatchers

org.jbehave.core.mock.UsingMatchers

Matchers are used by the MiniMock framework, {@link org.jbehave.core.Ensure}, {@link UsingMatchers} and {@link org.jbehave.core.minimock.UsingMiniMock} toverify or ensure behaviours. Matchers are also used by the default elements of the Story framework.

Some simple matchers are provided by this class.

In any domain, there will be more complex, specific matchers which can be reused across behaviours. CustomMatcher may be extended to provide these behaviours, or Matcher may be implemented. If you provide a useful description, either to the constructor of the CustomMatcher or by overriding toString() in your Matcher, a useful message will be given should the Matcher not match.

You may find it more useful to extend or delegate to {@link org.jbehave.core.minimock.UsingMiniMock} than to UsingMatchers.

Examples of org.jbehave.core.mock.UsingMatchers

    Block EMPTY_BLOCK = new Block() {
        public void run() throws Exception {}
    };
    
    public void shouldProvideMatchersForDoubles() {
        UsingMatchers m = new UsingMatchers() {};
        Ensure.that(5.0, m.eq(5.0));
        Ensure.that(5.0, m.not(m.eq(5.1)));
        Ensure.that(5.0, m.eq(5.0), "message");
    }

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Examples of org.jbehave.core.mock.UsingMatchers

        Ensure.that(5.0, m.not(m.eq(5.1)));
        Ensure.that(5.0, m.eq(5.0), "message");
    }
    
    public void shouldProvideMatchersForLongsAndInts() {
        UsingMatchers m = new UsingMatchers() {};
        Ensure.that(5, m.eq(5));
        Ensure.that(5, m.not(m.eq(4)));
        Ensure.that(5, m.eq(5), "message");
    }

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Examples of org.jbehave.core.mock.UsingMatchers

        Ensure.that(5, m.not(m.eq(4)));
        Ensure.that(5, m.eq(5), "message");
    }
    
    public void shouldProvideMatchersForChars() {
        UsingMatchers m = new UsingMatchers() {};
        Ensure.that('a', m.eq('a'));
        Ensure.that('a', m.not(m.eq('A')));
        Ensure.that('a', m.eq('a'), "message");
    }

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Examples of org.jbehave.core.mock.UsingMatchers

        Ensure.that('a', m.not(m.eq('A')));
        Ensure.that('a', m.eq('a'), "message");
    }
    
    public void shouldProvideMatchersForBooleans() {
        UsingMatchers m = new UsingMatchers() {};
        Ensure.that(true, m.eq(true));
        Ensure.that(true, m.not(m.eq(false)));
        Ensure.that(true, m.eq(true), "message");
    }

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Examples of org.jbehave.core.mock.UsingMatchers

        Ensure.that(true, m.not(m.eq(false)));
        Ensure.that(true, m.eq(true), "message");
    }
    
    public void shouldProvideMatchersToCheckForNull() {
        UsingMatchers m = new UsingMatchers() {};
        Ensure.that(null, m.isNull());
        Ensure.that(new Object(), m.not(m.isNull()));
        Ensure.that(new Object(), m.isNotNull());
        Ensure.that(null, m.not(m.isNotNull()));
    }

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Examples of org.jbehave.core.mock.UsingMatchers

        Ensure.that(new Object(), m.isNotNull());
        Ensure.that(null, m.not(m.isNotNull()));
    }
    
    public void shouldProvideMatchersToCheckForAnything() {
        UsingMatchers m = new UsingMatchers() {};
        Ensure.that(null, m.not(m.nothing()));
        Ensure.that(new Object(), m.not(m.nothing()));
        Ensure.that(new Object(), m.anything());
        Ensure.that(null, m.anything());
    }

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Examples of org.jbehave.core.mock.UsingMatchers

        Ensure.that(new Object(), m.anything());
        Ensure.that(null, m.anything());
    }
    
    public void shouldProvideCommonStringMatchers() {
        UsingMatchers m = new UsingMatchers() {};
        
        Ensure.that("octopus", m.contains("top"));
        Ensure.that("octopus", m.not(m.contains("eight")));
        Ensure.that("octopus", m.startsWith("octo"));
        Ensure.that("octopus", m.not(m.startsWith("eight")));
        Ensure.that("octopus", m.endsWith("pus"));
        Ensure.that("octopus", m.not(m.endsWith("eight")));
    }

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Examples of org.jbehave.core.mock.UsingMatchers

        Ensure.that("octopus", m.endsWith("pus"));
        Ensure.that("octopus", m.not(m.endsWith("eight")));
    }


    public void shouldProvideInstanceMatchers() {
        UsingMatchers m = new UsingMatchers() {};
        
        String a = "a";
        String b = "b";
        
        Ensure.that(a, m.is(a));
        Ensure.that(a, m.not(m.is(b)));
        Ensure.that(a, m.sameInstanceAs(a));
        Ensure.that(a, m.not(m.sameInstanceAs(b)));
    }

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Examples of org.jbehave.core.mock.UsingMatchers

        Ensure.that(a, m.sameInstanceAs(a));
        Ensure.that(a, m.not(m.sameInstanceAs(b)));
    }
    
    public void shouldCatchAndReturnAThrownException() throws Exception {
        UsingMatchers m = new UsingMatchers() {};
        
        Exception exception = m.runAndCatch(IllegalArgumentException.class, EXCEPTION_BLOCK);
        Ensure.that(exception, m.isNotNull());
    }

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Examples of org.jbehave.core.mock.UsingMatchers

        Exception exception = m.runAndCatch(IllegalArgumentException.class, EXCEPTION_BLOCK);
        Ensure.that(exception, m.isNotNull());
    }
    
    public void shouldCatchAndReturnNullIfNoExceptionThrown() throws Exception {
        UsingMatchers m = new UsingMatchers() {};
        
        Exception exception = m.runAndCatch(IllegalArgumentException.class, EMPTY_BLOCK);
        Ensure.that(exception, m.isNull());
    }

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