| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: bharathbhushan@google.com (Bharath Bhushan) |
| |
| #include "net/instaweb/rewriter/public/dom_stats_filter.h" |
| |
| #include "net/instaweb/rewriter/public/mock_critical_images_finder.h" |
| #include "net/instaweb/rewriter/public/rewrite_driver.h" |
| #include "net/instaweb/rewriter/public/rewrite_options.h" |
| #include "net/instaweb/rewriter/public/rewrite_test_base.h" |
| #include "net/instaweb/rewriter/public/server_context.h" |
| #include "testing/base/public/gunit.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| #include "pagespeed/kernel/html/html_parse_test_base.h" |
| |
| namespace net_instaweb { |
| |
| class DomStatsFilterTest : public RewriteTestBase { |
| protected: |
| virtual void SetUp() { |
| options()->EnableFilter(RewriteOptions::kComputeStatistics); |
| RewriteTestBase::SetUp(); |
| rewrite_driver()->AddFilters(); |
| filter_ = rewrite_driver()->dom_stats_filter(); |
| } |
| |
| DomStatsFilter* filter_; |
| }; |
| |
| TEST_F(DomStatsFilterTest, ImgTest) { |
| const GoogleString input_html = |
| "<html><body><img><img src='a'>" |
| "<noscript><img><img src='b'></noscript></body></html>"; |
| ValidateNoChanges("img_tags", input_html); |
| EXPECT_EQ(4, filter_->num_img_tags()); |
| } |
| |
| TEST_F(DomStatsFilterTest, InlinedImgTest) { |
| const GoogleString input_html = |
| "<html><body><img src='data:abc'></body></html>"; |
| ValidateNoChanges("inlined_img", input_html); |
| EXPECT_EQ(1, filter_->num_inlined_img_tags()); |
| } |
| |
| TEST_F(DomStatsFilterTest, ExternalCssTest) { |
| const GoogleString input_html = |
| "<html><body><link rel=stylesheet href='abc'>" |
| "<link rel='alternate stylesheet' href='def'>" |
| "<link rel='stylesheet'><link rel='junk' href='ghi'>" |
| "</body></html>"; |
| ValidateNoChanges("external_css", input_html); |
| EXPECT_EQ(2, filter_->num_external_css()); |
| } |
| |
| TEST_F(DomStatsFilterTest, NumScriptsTest) { |
| const GoogleString input_html = |
| "<html><body><script src='abc'></script>" |
| "<script></script></body></html>"; |
| ValidateNoChanges("num_scripts", input_html); |
| EXPECT_EQ(2, filter_->num_scripts()); |
| } |
| |
| TEST_F(DomStatsFilterTest, CriticalImagesUsedTest) { |
| const GoogleString input_html = |
| "<html><body><img src='a'><img src='a'><img src='b'></body></html>"; |
| MockCriticalImagesFinder* finder = |
| new MockCriticalImagesFinder(statistics()); |
| server_context()->set_critical_images_finder(finder); |
| StringSet* critical_images = new StringSet; |
| critical_images->insert(StrCat(kTestDomain, "a")); |
| critical_images->insert(StrCat(kTestDomain, "c")); |
| critical_images->insert(StrCat(kTestDomain, "d")); |
| finder->set_critical_images(critical_images); |
| ValidateNoChanges("critical_images_used", input_html); |
| // Image 'a' is the only critical image used and it is used twice. |
| EXPECT_EQ(2, filter_->num_critical_images_used()); |
| } |
| |
| } // namespace net_instaweb |
