content/renderer/previews_state_helper_unittest.cc - Issue 2963913002: Factor DRP PreviewsState logic out of content

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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 "content/renderer/previews_state_helper.h"

6 #include "content/public/common/previews_state.h"

7 #include "testing/gtest/include/gtest/gtest.h"

8 #include "third_party/WebKit/public/platform/WebURLResponse.h"

9

10 namespace content {

11

12 TEST(PreviewsStateHelperTest, GetPreviewsStateNoServerTransformRequested) {

13 blink::WebURLResponse response_no_headers;

14

15 // No transforms specified.

16 EXPECT_EQ(PREVIEWS_OFF, GetPreviewsStateFromMainFrameResponse(

17 PREVIEWS_UNSPECIFIED, response_no_headers));

18

19 // Client Lo-Fi preserved if no Server Lo-Fi nor Lite Page.

20 EXPECT_EQ(CLIENT_LOFI_ON, GetPreviewsStateFromMainFrameResponse(

21 CLIENT_LOFI_ON, response_no_headers));

22 }

23

24 TEST(PreviewsStateHelperTest, GetPreviewsStateNoTransformResponseHeaders) {

25 blink::WebURLResponse response_no_headers;

26 // Lite Page enabled but no CPCT nor page-polices => all cleared.

27 EXPECT_EQ(PREVIEWS_OFF,

28 GetPreviewsStateFromMainFrameResponse(

29 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON \| CLIENT_LOFI_ON,

30 response_no_headers));

31 EXPECT_EQ(PREVIEWS_OFF, GetPreviewsStateFromMainFrameResponse(

32 SERVER_LITE_PAGE_ON, response_no_headers));

33 EXPECT_EQ(PREVIEWS_OFF,

34 GetPreviewsStateFromMainFrameResponse(

35 SERVER_LITE_PAGE_ON \| CLIENT_LOFI_ON, response_no_headers));

36 EXPECT_EQ(PREVIEWS_OFF,

37 GetPreviewsStateFromMainFrameResponse(

38 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON, response_no_headers));

39

40 // Legacy Lo-Fi path (Lite Pages not enabled but Server Lo-Fi is).

41 EXPECT_EQ(SERVER_LOFI_ON, GetPreviewsStateFromMainFrameResponse(

42 SERVER_LOFI_ON, response_no_headers));

43 EXPECT_EQ(SERVER_LOFI_ON \| CLIENT_LOFI_ON,

44 GetPreviewsStateFromMainFrameResponse(

45 SERVER_LOFI_ON \| CLIENT_LOFI_ON, response_no_headers));

46 }

47

48 TEST(PreviewsStateHelperTest, GetPreviewsStateLitePageTransform) {

49 blink::WebURLResponse response_with_lite_page;

50 response_with_lite_page.AddHTTPHeaderField("chrome-proxy-content-transform",

51 "lite-page");

52 EXPECT_EQ(SERVER_LITE_PAGE_ON,

53 GetPreviewsStateFromMainFrameResponse(SERVER_LITE_PAGE_ON,

54 response_with_lite_page));

55 EXPECT_EQ(SERVER_LITE_PAGE_ON,

56 GetPreviewsStateFromMainFrameResponse(

57 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON \| CLIENT_LOFI_ON,

58 response_with_lite_page));

59 EXPECT_EQ(SERVER_LITE_PAGE_ON,

60 GetPreviewsStateFromMainFrameResponse(

61 SERVER_LITE_PAGE_ON \| CLIENT_LOFI_ON, response_with_lite_page));

62 EXPECT_EQ(SERVER_LITE_PAGE_ON,

63 GetPreviewsStateFromMainFrameResponse(

64 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON, response_with_lite_page));

65 }

66

67 TEST(PreviewsStateHelperTest, GetPreviewsStateLitePageAndLoFiTransforms) {

68 blink::WebURLResponse response_with_lite_page_and_page_policy;

69 response_with_lite_page_and_page_policy.AddHTTPHeaderField(

70 "chrome-proxy-content-transform", "lite-page");

71 response_with_lite_page_and_page_policy.AddHTTPHeaderField(

72 "Chrome-Proxy", "Page-Policies=Empty-Image");

73

74 response_with_lite_page_and_page_policy.AddHTTPHeaderField(

75 "Chrome-Proxy", "Page-Policies=Empty-Image");

76 EXPECT_EQ(SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON \| CLIENT_LOFI_ON,

77 GetPreviewsStateFromMainFrameResponse(

78 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON \| CLIENT_LOFI_ON,

79 response_with_lite_page_and_page_policy));

80 EXPECT_EQ(SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON,

81 GetPreviewsStateFromMainFrameResponse(

82 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON,

83 response_with_lite_page_and_page_policy));

84 }

85

86 TEST(PreviewsStateHelperTest, GetPreviewsStateLoFiFallbackPagePolicy) {

87 blink::WebURLResponse response_with_page_policy;

88 response_with_page_policy.AddHTTPHeaderField("Chrome-Proxy", "SomeNoise");

89 response_with_page_policy.AddHTTPHeaderField("Chrome-Proxy",

90 "Page-Policies=Empty-Image");

91

92 // No fallbacks if Server Lo-Fi not enabled.

93 EXPECT_EQ(PREVIEWS_OFF, GetPreviewsStateFromMainFrameResponse(

94 SERVER_LITE_PAGE_ON, response_with_page_policy));

95 EXPECT_EQ(PREVIEWS_OFF, GetPreviewsStateFromMainFrameResponse(

96 SERVER_LITE_PAGE_ON \| CLIENT_LOFI_ON,

97 response_with_page_policy));

98

99 // Lo-Fi fallbacks if Server Lo-Fi enabled and get empty-image directive.

100 EXPECT_EQ(SERVER_LOFI_ON \| CLIENT_LOFI_ON,

101 GetPreviewsStateFromMainFrameResponse(

102 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON \| CLIENT_LOFI_ON,

103 response_with_page_policy));

104 EXPECT_EQ(SERVER_LOFI_ON, GetPreviewsStateFromMainFrameResponse(

105 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON,

106 response_with_page_policy));

107 }

108

109 TEST(PreviewsStateHelperTest, GetPreviewsStateLoFiFallbackAndOtherPolicies) {

110 blink::WebURLResponse response_with_page_policy;

111 response_with_page_policy.AddHTTPHeaderField("chrome-proxy", "Prefix=Noise");

112 response_with_page_policy.AddHTTPHeaderField(

113 "chrome-proxy", "page-policies=new-hotness\|empty-image\|newer-hotness");

114 response_with_page_policy.AddHTTPHeaderField("chrome-proxy",

115 "Suffix=More\|Noise");

116

117 // Lo-Fi fallbacks if Server Lo-Fi enabled and get empty-image directive.

118 EXPECT_EQ(SERVER_LOFI_ON \| CLIENT_LOFI_ON,

119 GetPreviewsStateFromMainFrameResponse(

120 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON \| CLIENT_LOFI_ON,

121 response_with_page_policy));

122 EXPECT_EQ(SERVER_LOFI_ON, GetPreviewsStateFromMainFrameResponse(

123 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON,

124 response_with_page_policy));

125 }

126

127 TEST(PreviewsStateHelperTest, GetPreviewsStateNoKnownPolicies) {

128 blink::WebURLResponse response_with_page_policy;

129 response_with_page_policy.AddHTTPHeaderField("chrome-proxy", "Prefix=Noise");

130 response_with_page_policy.AddHTTPHeaderField(

131 "chrome-proxy",

132 "page-policies=new-hotness\|new-empty-image\|newer-hotness");

133 response_with_page_policy.AddHTTPHeaderField("chrome-proxy",

134 "Suffix=More\|Noise");

135

136 // Lo-Fi fallbacks if Server Lo-Fi enabled and get empty-image directive.

137 EXPECT_EQ(PREVIEWS_OFF,

138 GetPreviewsStateFromMainFrameResponse(

139 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON \| CLIENT_LOFI_ON,

140 response_with_page_policy));

141 EXPECT_EQ(PREVIEWS_OFF, GetPreviewsStateFromMainFrameResponse(

142 SERVER_LITE_PAGE_ON \| SERVER_LOFI_ON,

143 response_with_page_policy));

144 }

145

146 } // namespace content

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