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/page_load_metrics/common/test/page_load_metrics_test_util.h"
6
7 #include "components/page_load_metrics/common/page_load_metrics_util.h"
8
9 using page_load_metrics::OptionalMin;
10
PopulateRequiredTimingFields(page_load_metrics::mojom::PageLoadTiming * inout_timing)11 void PopulateRequiredTimingFields(
12 page_load_metrics::mojom::PageLoadTiming* inout_timing) {
13 if (inout_timing->paint_timing->first_meaningful_paint &&
14 !inout_timing->paint_timing->first_contentful_paint) {
15 inout_timing->paint_timing->first_contentful_paint =
16 inout_timing->paint_timing->first_meaningful_paint;
17 }
18 if ((inout_timing->paint_timing->first_image_paint ||
19 inout_timing->paint_timing->first_contentful_paint) &&
20 !inout_timing->paint_timing->first_paint) {
21 inout_timing->paint_timing->first_paint =
22 OptionalMin(inout_timing->paint_timing->first_image_paint,
23 inout_timing->paint_timing->first_contentful_paint);
24 }
25 if (inout_timing->paint_timing->first_paint &&
26 !inout_timing->paint_timing->first_eligible_to_paint) {
27 inout_timing->paint_timing->first_eligible_to_paint =
28 inout_timing->paint_timing->first_paint;
29 }
30 if (inout_timing->document_timing->load_event_start &&
31 !inout_timing->document_timing->dom_content_loaded_event_start) {
32 inout_timing->document_timing->dom_content_loaded_event_start =
33 inout_timing->document_timing->load_event_start;
34 }
35 if (inout_timing->document_timing->dom_content_loaded_event_start &&
36 !inout_timing->parse_timing->parse_stop) {
37 inout_timing->parse_timing->parse_stop =
38 inout_timing->document_timing->dom_content_loaded_event_start;
39 }
40 if (inout_timing->parse_timing->parse_stop &&
41 !inout_timing->parse_timing->parse_start) {
42 inout_timing->parse_timing->parse_start =
43 inout_timing->parse_timing->parse_stop;
44 }
45 if (inout_timing->parse_timing->parse_start &&
46 !inout_timing->response_start) {
47 inout_timing->response_start = inout_timing->parse_timing->parse_start;
48 }
49 if (inout_timing->parse_timing->parse_start) {
50 if (!inout_timing->parse_timing->parse_blocked_on_script_load_duration)
51 inout_timing->parse_timing->parse_blocked_on_script_load_duration =
52 base::TimeDelta();
53 if (!inout_timing->parse_timing
54 ->parse_blocked_on_script_execution_duration) {
55 inout_timing->parse_timing->parse_blocked_on_script_execution_duration =
56 base::TimeDelta();
57 }
58 if (!inout_timing->parse_timing
59 ->parse_blocked_on_script_load_from_document_write_duration) {
60 inout_timing->parse_timing
61 ->parse_blocked_on_script_load_from_document_write_duration =
62 base::TimeDelta();
63 }
64 if (!inout_timing->parse_timing
65 ->parse_blocked_on_script_execution_from_document_write_duration) {
66 inout_timing->parse_timing
67 ->parse_blocked_on_script_execution_from_document_write_duration =
68 base::TimeDelta();
69 }
70 }
71 }
72
73 // Sets the experimental LCP values to be equal to the non-experimental
74 // counterparts.
PopulateExperimentalLCP(page_load_metrics::mojom::PaintTimingPtr & timing)75 void PopulateExperimentalLCP(page_load_metrics::mojom::PaintTimingPtr& timing) {
76 timing->experimental_largest_contentful_paint =
77 timing->largest_contentful_paint->Clone();
78 }
79
CreateResource(bool was_cached,int64_t delta_bytes,int64_t encoded_body_length,int64_t decoded_body_length,bool is_complete)80 page_load_metrics::mojom::ResourceDataUpdatePtr CreateResource(
81 bool was_cached,
82 int64_t delta_bytes,
83 int64_t encoded_body_length,
84 int64_t decoded_body_length,
85 bool is_complete) {
86 auto resource_data_update =
87 page_load_metrics::mojom::ResourceDataUpdate::New();
88 resource_data_update->cache_type =
89 was_cached ? page_load_metrics::mojom::CacheType::kHttp
90 : page_load_metrics::mojom::CacheType::kNotCached;
91 resource_data_update->delta_bytes = delta_bytes;
92 resource_data_update->received_data_length = delta_bytes;
93 resource_data_update->encoded_body_length = encoded_body_length;
94 resource_data_update->decoded_body_length = decoded_body_length;
95 resource_data_update->is_complete = is_complete;
96 return resource_data_update;
97 }
98
99 std::vector<page_load_metrics::mojom::ResourceDataUpdatePtr>
GetSampleResourceDataUpdateForTesting(int64_t resource_size)100 GetSampleResourceDataUpdateForTesting(int64_t resource_size) {
101 // Prepare 3 resources of varying configurations.
102 std::vector<page_load_metrics::mojom::ResourceDataUpdatePtr> resources;
103 // Cached resource.
104 resources.push_back(CreateResource(true /* was_cached */, 0 /* delta_bytes */,
105 resource_size /* encoded_body_length */,
106 resource_size /* decoded_body_length */,
107 true /* is_complete */));
108 // Uncached resource.
109 resources.push_back(CreateResource(
110 false /* was_cached */, resource_size /* delta_bytes */,
111 resource_size /* encoded_body_length */,
112 resource_size /* decoded_body_length */, true /* is_complete */));
113 // Uncached, unfinished, resource.
114 resources.push_back(
115 CreateResource(false /* was_cached */, resource_size /* delta_bytes */,
116 0 /* encoded_body_length */, 0 /* decoded_body_length */,
117 false /* is_complete */));
118 return resources;
119 }
120