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Unified Diff: components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer_unittest.cc

Issue 2963913002: Factor DRP PreviewsState logic out of content (Closed)
Patch Set: Change WebDataSource to WebDocumentLoader Created 3 years, 4 months ago
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Index: components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer_unittest.cc
diff --git a/components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer_unittest.cc b/components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0125343e83d0dcc435dbe319930e0fd52dc29d4a
--- /dev/null
+++ b/components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer_unittest.cc
@@ -0,0 +1,172 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/data_reduction_proxy/content/renderer/content_previews_render_frame_observer.h"
+
+#include "content/public/common/previews_state.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/WebKit/public/platform/WebURLResponse.h"
+
+namespace data_reduction_proxy {
+
+TEST(ContentPreviewsRenderFrameObserverTest,
+ GetPreviewsStateNoServerTransformRequested) {
+ blink::WebURLResponse response_no_headers;
+
+ // No transforms specified.
+ EXPECT_EQ(content::PREVIEWS_OFF,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::PREVIEWS_UNSPECIFIED, response_no_headers));
+
+ // Client Lo-Fi preserved if no Server Lo-Fi nor Lite Page.
+ EXPECT_EQ(content::CLIENT_LOFI_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::CLIENT_LOFI_ON, response_no_headers));
+}
+
+TEST(ContentPreviewsRenderFrameObserverTest,
+ GetPreviewsStateNoTransformResponseHeaders) {
+ blink::WebURLResponse response_no_headers;
+ // Lite Page enabled but no CPCT nor page-polices => all cleared.
+ EXPECT_EQ(content::PREVIEWS_OFF,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
+ content::CLIENT_LOFI_ON,
+ response_no_headers));
+ EXPECT_EQ(content::PREVIEWS_OFF,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON, response_no_headers));
+ EXPECT_EQ(content::PREVIEWS_OFF,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::CLIENT_LOFI_ON,
+ response_no_headers));
+ EXPECT_EQ(content::PREVIEWS_OFF,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
+ response_no_headers));
+
+ // Legacy Lo-Fi path (Lite Pages not enabled but Server Lo-Fi is).
+ EXPECT_EQ(content::SERVER_LOFI_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LOFI_ON, response_no_headers));
+ EXPECT_EQ(content::SERVER_LOFI_ON | content::CLIENT_LOFI_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LOFI_ON | content::CLIENT_LOFI_ON,
+ response_no_headers));
+}
+
+TEST(ContentPreviewsRenderFrameObserverTest,
+ GetPreviewsStateLitePageTransform) {
+ blink::WebURLResponse response_with_lite_page;
+ response_with_lite_page.AddHTTPHeaderField("chrome-proxy-content-transform",
+ "lite-page");
+ EXPECT_EQ(content::SERVER_LITE_PAGE_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON, response_with_lite_page));
+ EXPECT_EQ(content::SERVER_LITE_PAGE_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
+ content::CLIENT_LOFI_ON,
+ response_with_lite_page));
+ EXPECT_EQ(content::SERVER_LITE_PAGE_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::CLIENT_LOFI_ON,
+ response_with_lite_page));
+ EXPECT_EQ(content::SERVER_LITE_PAGE_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
+ response_with_lite_page));
+}
+
+TEST(ContentPreviewsRenderFrameObserverTest,
+ GetPreviewsStateLitePageAndLoFiTransforms) {
+ blink::WebURLResponse response_with_lite_page_and_page_policy;
+ response_with_lite_page_and_page_policy.AddHTTPHeaderField(
+ "chrome-proxy-content-transform", "lite-page");
+ response_with_lite_page_and_page_policy.AddHTTPHeaderField(
+ "Chrome-Proxy", "Page-Policies=Empty-Image");
+
+ EXPECT_EQ(content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
+ content::CLIENT_LOFI_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
+ content::CLIENT_LOFI_ON,
+ response_with_lite_page_and_page_policy));
+ EXPECT_EQ(content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
+ response_with_lite_page_and_page_policy));
+}
+
+TEST(ContentPreviewsRenderFrameObserverTest,
+ GetPreviewsStateLoFiFallbackPagePolicy) {
+ blink::WebURLResponse response_with_page_policy;
+ response_with_page_policy.AddHTTPHeaderField("Chrome-Proxy", "SomeNoise");
+ response_with_page_policy.AddHTTPHeaderField("Chrome-Proxy",
+ "Page-Policies=Empty-Image");
+
+ // No fallbacks if Server Lo-Fi not enabled.
+ EXPECT_EQ(content::PREVIEWS_OFF,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON, response_with_page_policy));
+ EXPECT_EQ(content::PREVIEWS_OFF,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::CLIENT_LOFI_ON,
+ response_with_page_policy));
+
+ // Lo-Fi fallbacks if Server Lo-Fi enabled and get empty-image directive.
+ EXPECT_EQ(content::SERVER_LOFI_ON | content::CLIENT_LOFI_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
+ content::CLIENT_LOFI_ON,
+ response_with_page_policy));
+ EXPECT_EQ(content::SERVER_LOFI_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
+ response_with_page_policy));
+}
+
+TEST(ContentPreviewsRenderFrameObserverTest,
+ GetPreviewsStateLoFiFallbackAndOtherPolicies) {
+ blink::WebURLResponse response_with_page_policy;
+ response_with_page_policy.AddHTTPHeaderField("chrome-proxy", "Prefix=Noise");
+ response_with_page_policy.AddHTTPHeaderField(
+ "chrome-proxy", "page-policies=new-hotness|empty-image|newer-hotness");
+ response_with_page_policy.AddHTTPHeaderField("chrome-proxy",
+ "Suffix=More|Noise");
+
+ // Lo-Fi fallbacks if Server Lo-Fi enabled and get empty-image directive.
+ EXPECT_EQ(content::SERVER_LOFI_ON | content::CLIENT_LOFI_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
+ content::CLIENT_LOFI_ON,
+ response_with_page_policy));
+ EXPECT_EQ(content::SERVER_LOFI_ON,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
+ response_with_page_policy));
+}
+
+TEST(ContentPreviewsRenderFrameObserverTest, GetPreviewsStateNoKnownPolicies) {
+ blink::WebURLResponse response_with_page_policy;
+ response_with_page_policy.AddHTTPHeaderField("chrome-proxy", "Prefix=Noise");
+ response_with_page_policy.AddHTTPHeaderField(
+ "chrome-proxy",
+ "page-policies=new-hotness|new-empty-image|newer-hotness");
+ response_with_page_policy.AddHTTPHeaderField("chrome-proxy",
+ "Suffix=More|Noise");
+
+ // Lo-Fi fallbacks if Server Lo-Fi enabled and get empty-image directive.
+ EXPECT_EQ(content::PREVIEWS_OFF,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
+ content::CLIENT_LOFI_ON,
+ response_with_page_policy));
+ EXPECT_EQ(content::PREVIEWS_OFF,
+ ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
+ content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
+ response_with_page_policy));
+}
+
+} // namespace data_reduction_proxy
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