setup:
        HttpRequest request = Mock()
        CloseableHttpResponse response = Mock()
        HttpContext context = Mock()
        response.getFirstHeader("location") >> new BasicHeader('location', 'http://redirectTo')
        response.getStatusLine() >> new BasicStatusLine(new ProtocolVersion("HTTP", 1, 1), redirect, "ignored")
        request.getRequestLine() >> Mock(RequestLine) {

    def "should get redirect for http method [#httpMethod]"() {
        setup:
        HttpRequest request = Mock()
        CloseableHttpResponse response = Mock()
        HttpContext context = Mock()
        response.getFirstHeader("location") >> new BasicHeader('location', 'http://redirectTo')
        request.getRequestLine() >> Mock(RequestLine) {
            getMethod() >> httpMethod
        }
        request.getParams() >> Mock(HttpParams)

        this.method = method;
        this.effectiveUri = effectiveUri;
        this.httpResponse = httpResponse;
    }

    public String getHeader(String name) {
        Header header = httpResponse.getFirstHeader(name);
        return header == null ? null : header.getValue();
    }

    public InputStream getContent() throws IOException {
        HttpEntity entity = httpResponse.getEntity();
        if (entity == null) {

        new HttpResponseResource(method, sourceUrl, new HttpClientResponse("GET", sourceUrl, response))
    }

    void addHeader(String name, String value) {
        interaction {
            1 * response.getFirstHeader(name) >> header(name, value)
        }
    }

    Header header(String name, String value) {
        new BasicHeader(name, value)
    }

            final int httpStatusCode = response.getStatusLine().getStatusCode();
            if (httpStatusCode == 200) {

                // check file size
                final Header contentLengthHeader = response.getFirstHeader("Content-Length");
                if (contentLengthHeader != null) {
                    final String value = contentLengthHeader.getValue();
                    final long contentLength = Long.parseLong(value);