ResponseCacheTest.java 文件源码

/**
 * Equivalent to {@code CacheTest.postInvalidatesCacheWithUncacheableResponse()} but demonstrating
 * that {@link ResponseCache} provides no mechanism for cache invalidation as the result of
 * locally-made requests. In reality invalidation could take place from other clients at any
 * time.
 */
@Test public void postInvalidatesCacheWithUncacheableResponse() throws Exception {
  // 1. seed the cache
  // 2. invalidate it with uncacheable response
  // 3. the cache to return the original value
  server.enqueue(new MockResponse()
      .setBody("A")
      .addHeader("Expires: " + formatDate(1, TimeUnit.HOURS)));
  server.enqueue(new MockResponse()
      .setBody("B")
      .setResponseCode(500));

  URL url = server.url("/").url();

  assertEquals("A", readAscii(openConnection(url)));

  HttpURLConnection invalidate = openConnection(url);
  invalidate.setRequestMethod("POST");
  addRequestBodyIfNecessary("POST", invalidate);
  assertEquals("B", readAscii(invalidate));

  assertEquals("A", readAscii(openConnection(url)));
}