com.android.volley.mock.MockHttpStack Java Examples

@Test public void otherClientError() throws Exception {
    for (int i = 400; i <= 499; i++) {
        if (i == 401 || i == 403) {
            // covered above.
            continue;
        }
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse =
                new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry other 400 errors.
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void forbidden() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    BasicHttpResponse fakeResponse = new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1),
            403, "Forbidden");
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry in case it's an auth failure.
    verify(mMockRetryPolicy).retry(any(AuthFailureError.class));
}
 

@Test public void redirect() throws Exception {
    for (int i = 300; i <= 399; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse = new BasicHttpResponse(
                new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry 300 responses.
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void otherClientError() throws Exception {
    for (int i = 400; i <= 499; i++) {
        if (i == 401 || i == 403) {
            // covered above.
            continue;
        }
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse = new BasicHttpResponse(
                new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry other 400 errors.
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test
public void headersAndPostParams() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    InputStream responseStream =
            new ByteArrayInputStream("foobar".getBytes(StandardCharsets.UTF_8));
    HttpResponse fakeResponse =
            new HttpResponse(200, Collections.<Header>emptyList(), 6, responseStream);
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    Entry entry = new Entry();
    entry.etag = "foobar";
    entry.lastModified = 1503102002000L;
    request.setCacheEntry(entry);
    httpNetwork.performRequest(request);
    assertEquals("foo", mockHttpStack.getLastHeaders().get("requestheader"));
    assertEquals("foobar", mockHttpStack.getLastHeaders().get("If-None-Match"));
    assertEquals(
            "Sat, 19 Aug 2017 00:20:02 GMT",
            mockHttpStack.getLastHeaders().get("If-Modified-Since"));
    assertEquals(
            "requestpost=foo&",
            new String(mockHttpStack.getLastPostBody(), StandardCharsets.UTF_8));
}
 

@Test public void serverError_disableRetries() throws Exception {
    for (int i = 500; i <= 599; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse = new BasicHttpResponse(
                new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry any 500 error w/ HTTP 500 retries turned off (the default).
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void unauthorized() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    BasicHttpResponse fakeResponse = new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1),
            401, "Unauthorized");
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry in case it's an auth failure.
    verify(mMockRetryPolicy).retry(any(AuthFailureError.class));
}
 

@Test public void forbidden() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    BasicHttpResponse fakeResponse = new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1),
            403, "Forbidden");
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry in case it's an auth failure.
    verify(mMockRetryPolicy).retry(any(AuthFailureError.class));
}
 

@Test public void redirect() throws Exception {
    for (int i = 300; i <= 399; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse =
                new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry 300 responses.
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void serverError_enableRetries() throws Exception {
    for (int i = 500; i <= 599; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse = new BasicHttpResponse(
                new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack, new ByteArrayPool(4096));
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        request.setShouldRetryServerErrors(true);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should retry all 500 errors
        verify(mMockRetryPolicy).retry(any(ServerError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void serverError_enableRetries() throws Exception {
    for (int i = 500; i <= 599; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse =
                new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork =
                new BasicNetwork(mockHttpStack, new ByteArrayPool(4096));
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        request.setShouldRetryServerErrors(true);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should retry all 500 errors
        verify(mMockRetryPolicy).retry(any(ServerError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void serverError_disableRetries() throws Exception {
    for (int i = 500; i <= 599; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse =
                new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry any 500 error w/ HTTP 500 retries turned off (the default).
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void unauthorized() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    BasicHttpResponse fakeResponse = new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1),
            401, "Unauthorized");
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry in case it's an auth failure.
    verify(mMockRetryPolicy).retry(any(AuthFailureError.class));
}
 

@Test public void forbidden() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    BasicHttpResponse fakeResponse = new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1),
            403, "Forbidden");
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry in case it's an auth failure.
    verify(mMockRetryPolicy).retry(any(AuthFailureError.class));
}
 

@Test public void redirect() throws Exception {
    for (int i = 300; i <= 399; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse =
                new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry 300 responses.
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void otherClientError() throws Exception {
    for (int i = 400; i <= 499; i++) {
        if (i == 401 || i == 403) {
            // covered above.
            continue;
        }
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse =
                new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry other 400 errors.
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void serverError_enableRetries() throws Exception {
    for (int i = 500; i <= 599; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse =
                new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork =
                new BasicNetwork(mockHttpStack, new ByteArrayPool(4096));
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        request.setShouldRetryServerErrors(true);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should retry all 500 errors
        verify(mMockRetryPolicy).retry(any(ServerError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void serverError_disableRetries() throws Exception {
    for (int i = 500; i <= 599; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        BasicHttpResponse fakeResponse =
                new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1), i, "");
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry any 500 error w/ HTTP 500 retries turned off (the default).
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test public void unauthorized() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    BasicHttpResponse fakeResponse = new BasicHttpResponse(new ProtocolVersion("HTTP", 1, 1),
            401, "Unauthorized");
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry in case it's an auth failure.
    verify(mMockRetryPolicy).retry(any(AuthFailureError.class));
}
 

@Test
public void socketTimeout() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    mockHttpStack.setExceptionToThrow(new SocketTimeoutException());
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry socket timeouts
    verify(mMockRetryPolicy).retry(any(TimeoutError.class));
}
 

@Test
public void noConnectionDefault() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    mockHttpStack.setExceptionToThrow(new IOException());
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should not retry when there is no connection
    verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
}
 

@Test
public void noConnectionRetry() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    mockHttpStack.setExceptionToThrow(new IOException());
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    request.setShouldRetryConnectionErrors(true);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry when there is no connection
    verify(mMockRetryPolicy).retry(any(NoConnectionError.class));
    reset(mMockRetryPolicy);
}
 

@Test
public void noConnectionNoRetry() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    mockHttpStack.setExceptionToThrow(new IOException());
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    request.setShouldRetryConnectionErrors(false);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should not retry when there is no connection
    verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
}
 

@Test
public void serverError_disableRetries() throws Exception {
    for (int i = 500; i <= 599; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        HttpResponse fakeResponse = new HttpResponse(i, Collections.<Header>emptyList());
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry any 500 error w/ HTTP 500 retries turned off (the default).
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test
public void serverError_enableRetries() throws Exception {
    for (int i = 500; i <= 599; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        HttpResponse fakeResponse = new HttpResponse(i, Collections.<Header>emptyList());
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack, new ByteArrayPool(4096));
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        request.setShouldRetryServerErrors(true);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should retry all 500 errors
        verify(mMockRetryPolicy).retry(any(ServerError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test
public void otherClientError() throws Exception {
    for (int i = 400; i <= 499; i++) {
        if (i == 401 || i == 403) {
            // covered above.
            continue;
        }
        MockHttpStack mockHttpStack = new MockHttpStack();
        HttpResponse fakeResponse = new HttpResponse(i, Collections.<Header>emptyList());
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry other 400 errors.
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test
public void redirect() throws Exception {
    for (int i = 300; i <= 399; i++) {
        MockHttpStack mockHttpStack = new MockHttpStack();
        HttpResponse fakeResponse = new HttpResponse(i, Collections.<Header>emptyList());
        mockHttpStack.setResponseToReturn(fakeResponse);
        BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
        Request<String> request = buildRequest();
        request.setRetryPolicy(mMockRetryPolicy);
        doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
        try {
            httpNetwork.performRequest(request);
        } catch (VolleyError e) {
            // expected
        }
        // should not retry 300 responses.
        verify(mMockRetryPolicy, never()).retry(any(VolleyError.class));
        reset(mMockRetryPolicy);
    }
}
 

@Test
public void forbidden() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    HttpResponse fakeResponse = new HttpResponse(403, Collections.<Header>emptyList());
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry in case it's an auth failure.
    verify(mMockRetryPolicy).retry(any(AuthFailureError.class));
}
 

@Test
public void unauthorized() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    HttpResponse fakeResponse = new HttpResponse(401, Collections.<Header>emptyList());
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    request.setRetryPolicy(mMockRetryPolicy);
    doThrow(new VolleyError()).when(mMockRetryPolicy).retry(any(VolleyError.class));
    try {
        httpNetwork.performRequest(request);
    } catch (VolleyError e) {
        // expected
    }
    // should retry in case it's an auth failure.
    verify(mMockRetryPolicy).retry(any(AuthFailureError.class));
}
 

@Test
public void notModified() throws Exception {
    MockHttpStack mockHttpStack = new MockHttpStack();
    List<Header> headers = new ArrayList<>();
    headers.add(new Header("ServerKeyA", "ServerValueA"));
    headers.add(new Header("ServerKeyB", "ServerValueB"));
    headers.add(new Header("SharedKey", "ServerValueShared"));
    headers.add(new Header("sharedcaseinsensitivekey", "ServerValueShared1"));
    headers.add(new Header("SharedCaseInsensitiveKey", "ServerValueShared2"));
    HttpResponse fakeResponse = new HttpResponse(HttpURLConnection.HTTP_NOT_MODIFIED, headers);
    mockHttpStack.setResponseToReturn(fakeResponse);
    BasicNetwork httpNetwork = new BasicNetwork(mockHttpStack);
    Request<String> request = buildRequest();
    Entry entry = new Entry();
    entry.allResponseHeaders = new ArrayList<>();
    entry.allResponseHeaders.add(new Header("CachedKeyA", "CachedValueA"));
    entry.allResponseHeaders.add(new Header("CachedKeyB", "CachedValueB"));
    entry.allResponseHeaders.add(new Header("SharedKey", "CachedValueShared"));
    entry.allResponseHeaders.add(new Header("SHAREDCASEINSENSITIVEKEY", "CachedValueShared1"));
    entry.allResponseHeaders.add(new Header("shAREDcaSEinSENSITIVEkeY", "CachedValueShared2"));
    request.setCacheEntry(entry);
    NetworkResponse response = httpNetwork.performRequest(request);
    List<Header> expectedHeaders = new ArrayList<>();
    // Should have all server headers + cache headers that didn't show up in server response.
    expectedHeaders.add(new Header("ServerKeyA", "ServerValueA"));
    expectedHeaders.add(new Header("ServerKeyB", "ServerValueB"));
    expectedHeaders.add(new Header("SharedKey", "ServerValueShared"));
    expectedHeaders.add(new Header("sharedcaseinsensitivekey", "ServerValueShared1"));
    expectedHeaders.add(new Header("SharedCaseInsensitiveKey", "ServerValueShared2"));
    expectedHeaders.add(new Header("CachedKeyA", "CachedValueA"));
    expectedHeaders.add(new Header("CachedKeyB", "CachedValueB"));
    assertThat(expectedHeaders, containsInAnyOrder(response.allHeaders.toArray(new Header[0])));
}