private static String assert200Ok(
CloseableHttpResponse res, String expectedContentType, String expectedContent)
throws Exception {
assertStatusLine(res, "HTTP/1.1 200 OK");
// Ensure that the 'Last-Modified' header exists and is well-formed.
final String lastModified;
assertThat(res.containsHeader(HttpHeaders.LAST_MODIFIED), is(true));
lastModified = res.getFirstHeader(HttpHeaders.LAST_MODIFIED).getValue();
HttpHeaderDateFormat.get().parse(lastModified);
// Ensure the content and its type are correct.
assertThat(EntityUtils.toString(res.getEntity()), is(expectedContent));
assertThat(res.containsHeader(HttpHeaders.CONTENT_TYPE), is(true));
assertThat(
res.getFirstHeader(HttpHeaders.CONTENT_TYPE).getValue(), startsWith(expectedContentType));
return lastModified;
}
/**
* Tests that caching headers are disabled during transactions. The Last-Modified date is only
* updated when Modeshape's <code>Session#save()</code> is invoked. Since this operation is not
* invoked during a Fedora transaction, the Last-Modified date never gets updated during a
* transaction and the delivered content may be stale. Etag won't work either because it is
* directly derived from Last-Modified.
*
* @throws IOException exception thrown during this function
*/
@Test
public void testNoCachingHeadersDuringTransaction() throws IOException {
final String txLocation = createTransaction();
final String location;
try (final CloseableHttpResponse resp = execute(new HttpPost(txLocation))) {
assertFalse(
"Last-Modified musn't be present during a transaction",
resp.containsHeader("Last-Modified"));
assertFalse("ETag must not be present during a transaction", resp.containsHeader("ETag"));
// Assert Cache-Control headers are present to invalidate caches
location = getLocation(resp);
}
try (final CloseableHttpResponse responseFromGet = execute(new HttpGet(location))) {
final Header[] headers = responseFromGet.getHeaders(CACHE_CONTROL);
assertEquals("Two cache control headers expected: ", 2, headers.length);
assertEquals(CACHE_CONTROL + "expected", CACHE_CONTROL, headers[0].getName());
assertEquals(CACHE_CONTROL + "expected", CACHE_CONTROL, headers[1].getName());
assertEquals("must-revalidate expected", "must-revalidate", headers[0].getValue());
assertEquals("max-age=0 expected", "max-age=0", headers[1].getValue());
consume(responseFromGet.getEntity());
}
}
private static void assert304NotModified(
CloseableHttpResponse res, String expectedLastModified, String expectedContentType) {
assertStatusLine(res, "HTTP/1.1 304 Not Modified");
// Ensure that the 'Last-Modified' header did not change.
assertThat(res.getFirstHeader(HttpHeaders.LAST_MODIFIED).getValue(), is(expectedLastModified));
// Ensure that the content does not exist but its type does.
assertThat(res.getEntity(), is(nullValue()));
assertThat(res.containsHeader(HttpHeaders.CONTENT_TYPE), is(true));
assertThat(
res.getFirstHeader(HttpHeaders.CONTENT_TYPE).getValue(), startsWith(expectedContentType));
}