initialResolve()

        expect:
        headOnlyRequests()
        unchangedResolve()

        when:
        change()

        then:
        headThenGetRequests()
        changedResolve()
    }

    def "no need for sha1 request if we know the etag is sha1"() {
        given:
        server.etags = HttpServer.EtagStrategy.NEXUS_ENCODED_SHA1
        initialResolve()