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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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1 // Copyright 2017 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "components/data_reduction_proxy/content/renderer/content_previews_rend er_frame_observer.h"
6
7 #include "content/public/common/previews_state.h"
8 #include "testing/gtest/include/gtest/gtest.h"
9 #include "third_party/WebKit/public/platform/WebURLResponse.h"
10
11 namespace data_reduction_proxy {
12
13 TEST(ContentPreviewsRenderFrameObserverTest,
14 GetPreviewsStateNoServerTransformRequested) {
15 blink::WebURLResponse response_no_headers;
16
17 // No transforms specified.
18 EXPECT_EQ(content::PREVIEWS_OFF,
19 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
20 content::PREVIEWS_UNSPECIFIED, response_no_headers));
21
22 // Client Lo-Fi preserved if no Server Lo-Fi nor Lite Page.
23 EXPECT_EQ(content::CLIENT_LOFI_ON,
24 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
25 content::CLIENT_LOFI_ON, response_no_headers));
26 }
27
28 TEST(ContentPreviewsRenderFrameObserverTest,
29 GetPreviewsStateNoTransformResponseHeaders) {
30 blink::WebURLResponse response_no_headers;
31 // Lite Page enabled but no CPCT nor page-polices => all cleared.
32 EXPECT_EQ(content::PREVIEWS_OFF,
33 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
34 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
35 content::CLIENT_LOFI_ON,
36 response_no_headers));
37 EXPECT_EQ(content::PREVIEWS_OFF,
38 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
39 content::SERVER_LITE_PAGE_ON, response_no_headers));
40 EXPECT_EQ(content::PREVIEWS_OFF,
41 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
42 content::SERVER_LITE_PAGE_ON | content::CLIENT_LOFI_ON,
43 response_no_headers));
44 EXPECT_EQ(content::PREVIEWS_OFF,
45 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
46 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
47 response_no_headers));
48
49 // Legacy Lo-Fi path (Lite Pages not enabled but Server Lo-Fi is).
50 EXPECT_EQ(content::SERVER_LOFI_ON,
51 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
52 content::SERVER_LOFI_ON, response_no_headers));
53 EXPECT_EQ(content::SERVER_LOFI_ON | content::CLIENT_LOFI_ON,
54 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
55 content::SERVER_LOFI_ON | content::CLIENT_LOFI_ON,
56 response_no_headers));
57 }
58
59 TEST(ContentPreviewsRenderFrameObserverTest,
60 GetPreviewsStateLitePageTransform) {
61 blink::WebURLResponse response_with_lite_page;
62 response_with_lite_page.AddHTTPHeaderField("chrome-proxy-content-transform",
63 "lite-page");
64 EXPECT_EQ(content::SERVER_LITE_PAGE_ON,
65 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
66 content::SERVER_LITE_PAGE_ON, response_with_lite_page));
67 EXPECT_EQ(content::SERVER_LITE_PAGE_ON,
68 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
69 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
70 content::CLIENT_LOFI_ON,
71 response_with_lite_page));
72 EXPECT_EQ(content::SERVER_LITE_PAGE_ON,
73 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
74 content::SERVER_LITE_PAGE_ON | content::CLIENT_LOFI_ON,
75 response_with_lite_page));
76 EXPECT_EQ(content::SERVER_LITE_PAGE_ON,
77 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
78 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
79 response_with_lite_page));
80 }
81
82 TEST(ContentPreviewsRenderFrameObserverTest,
83 GetPreviewsStateLitePageAndLoFiTransforms) {
84 blink::WebURLResponse response_with_lite_page_and_page_policy;
85 response_with_lite_page_and_page_policy.AddHTTPHeaderField(
86 "chrome-proxy-content-transform", "lite-page");
87 response_with_lite_page_and_page_policy.AddHTTPHeaderField(
88 "Chrome-Proxy", "Page-Policies=Empty-Image");
89
90 EXPECT_EQ(content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
91 content::CLIENT_LOFI_ON,
92 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
93 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
94 content::CLIENT_LOFI_ON,
95 response_with_lite_page_and_page_policy));
96 EXPECT_EQ(content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
97 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
98 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
99 response_with_lite_page_and_page_policy));
100 }
101
102 TEST(ContentPreviewsRenderFrameObserverTest,
103 GetPreviewsStateLoFiFallbackPagePolicy) {
104 blink::WebURLResponse response_with_page_policy;
105 response_with_page_policy.AddHTTPHeaderField("Chrome-Proxy", "SomeNoise");
106 response_with_page_policy.AddHTTPHeaderField("Chrome-Proxy",
107 "Page-Policies=Empty-Image");
108
109 // No fallbacks if Server Lo-Fi not enabled.
110 EXPECT_EQ(content::PREVIEWS_OFF,
111 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
112 content::SERVER_LITE_PAGE_ON, response_with_page_policy));
113 EXPECT_EQ(content::PREVIEWS_OFF,
114 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
115 content::SERVER_LITE_PAGE_ON | content::CLIENT_LOFI_ON,
116 response_with_page_policy));
117
118 // Lo-Fi fallbacks if Server Lo-Fi enabled and get empty-image directive.
119 EXPECT_EQ(content::SERVER_LOFI_ON | content::CLIENT_LOFI_ON,
120 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
121 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
122 content::CLIENT_LOFI_ON,
123 response_with_page_policy));
124 EXPECT_EQ(content::SERVER_LOFI_ON,
125 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
126 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
127 response_with_page_policy));
128 }
129
130 TEST(ContentPreviewsRenderFrameObserverTest,
131 GetPreviewsStateLoFiFallbackAndOtherPolicies) {
132 blink::WebURLResponse response_with_page_policy;
133 response_with_page_policy.AddHTTPHeaderField("chrome-proxy", "Prefix=Noise");
134 response_with_page_policy.AddHTTPHeaderField(
135 "chrome-proxy", "page-policies=new-hotness|empty-image|newer-hotness");
136 response_with_page_policy.AddHTTPHeaderField("chrome-proxy",
137 "Suffix=More|Noise");
138
139 // Lo-Fi fallbacks if Server Lo-Fi enabled and get empty-image directive.
140 EXPECT_EQ(content::SERVER_LOFI_ON | content::CLIENT_LOFI_ON,
141 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
142 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
143 content::CLIENT_LOFI_ON,
144 response_with_page_policy));
145 EXPECT_EQ(content::SERVER_LOFI_ON,
146 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
147 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
148 response_with_page_policy));
149 }
150
151 TEST(ContentPreviewsRenderFrameObserverTest, GetPreviewsStateNoKnownPolicies) {
152 blink::WebURLResponse response_with_page_policy;
153 response_with_page_policy.AddHTTPHeaderField("chrome-proxy", "Prefix=Noise");
154 response_with_page_policy.AddHTTPHeaderField(
155 "chrome-proxy",
156 "page-policies=new-hotness|new-empty-image|newer-hotness");
157 response_with_page_policy.AddHTTPHeaderField("chrome-proxy",
158 "Suffix=More|Noise");
159
160 // Lo-Fi fallbacks if Server Lo-Fi enabled and get empty-image directive.
161 EXPECT_EQ(content::PREVIEWS_OFF,
162 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
163 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON |
164 content::CLIENT_LOFI_ON,
165 response_with_page_policy));
166 EXPECT_EQ(content::PREVIEWS_OFF,
167 ContentPreviewsRenderFrameObserver::GetPreviewsStateFromResponse(
168 content::SERVER_LITE_PAGE_ON | content::SERVER_LOFI_ON,
169 response_with_page_policy));
170 }
171
172 } // namespace data_reduction_proxy
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