assert resource.text == 'content'
        assert resource.exists

        then:
        1 * target.text >> 'content'
        0 * target._
    }

    def existenceCheckReturnsFalseWhenResourceDoesNotExist() {
        when:
        assert !resource.exists

        then:
        1 * target.text >> { throw new MissingResourceException(new URI("somewhere:not-here"), "not found")}
        0 * target._