| /* |
| * Copyright 2016 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: sjnickerson@google.com (Simon Nickerson) |
| |
| #include "net/instaweb/rewriter/public/insert_amp_link_filter.h" |
| #include "net/instaweb/rewriter/public/rewrite_options.h" |
| #include "net/instaweb/rewriter/public/rewrite_test_base.h" |
| #include "pagespeed/kernel/base/gtest.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| |
| namespace net_instaweb { |
| |
| const char kHtmlPrefix[] = "<html>\n<head>\n"; |
| const char kNonAmpLink[] = "<link rel=stylesheet href=\"style.css\"/>\n"; |
| const char kHtmlSuffix[] = "</head>\n<body><p>Hello world!</p></body>\n</html>"; |
| // Default AMP pattern which changes the domain, inserts an extra '/amp', |
| // respects the trailing slash (if present) and includes the query. |
| const char kDefaultAmpPattern[] = |
| "https://ampversion.com${path_no_trailing_slash}" |
| "/amp${maybe_trailing_slash}${maybe_query}"; |
| |
| class InsertAmpLinkFilterTest : public RewriteTestBase { |
| protected: |
| InsertAmpLinkFilterTest() {} |
| void SetUp() override { RewriteTestBase::SetUp(); } |
| |
| bool AddBody() const override { return false; } |
| |
| virtual void AddFilter(const GoogleString& pattern) { |
| options()->set_amp_link_pattern(pattern); |
| options()->EnableFilter(RewriteOptions::kInsertAmpLink); |
| } |
| }; |
| |
| TEST_F(InsertAmpLinkFilterTest, DoNotAddAmpLinkIfAlreadyPresent) { |
| AddFilter(kDefaultAmpPattern); |
| ValidateExpectedUrl( |
| "http://test.com/a.html", |
| StrCat(kHtmlPrefix, "<link rel=AMPHtml href=blah>", kHtmlSuffix), |
| StrCat(kHtmlPrefix, "<link rel=AMPHtml href=blah>", kHtmlSuffix)); |
| } |
| |
| TEST_F(InsertAmpLinkFilterTest, DoNotAddAmpLinkIfAlreadyPresentQuoted) { |
| AddFilter(kDefaultAmpPattern); |
| ValidateExpectedUrl( |
| "http://test.com/a.html", |
| StrCat(kHtmlPrefix, "<link rel=\"AMPHtml\" href=blah>", kHtmlSuffix), |
| StrCat(kHtmlPrefix, "<link rel=\"AMPHtml\" href=blah>", kHtmlSuffix)); |
| } |
| |
| TEST_F(InsertAmpLinkFilterTest, AmpLinkAddedIfOtherLinkTypePresent) { |
| AddFilter(kDefaultAmpPattern); |
| ValidateExpectedUrl( |
| "http://test.com/a/b/", |
| StrCat(kHtmlPrefix, kNonAmpLink, kHtmlSuffix), |
| StrCat(kHtmlPrefix, kNonAmpLink, |
| "<link rel=\"amphtml\" href=\"https://ampversion.com/a/b/amp/\">", |
| kHtmlSuffix)); |
| } |
| |
| TEST_F(InsertAmpLinkFilterTest, MultipleHeadTagsOnlyOneLinkTagAdded) { |
| AddFilter(kDefaultAmpPattern); |
| ValidateExpectedUrl( |
| "http://test.com/a?q=3", |
| |
| "<html><head></head><head></head></html>", |
| |
| "<html><head>" |
| "<link rel=\"amphtml\" href=\"https://ampversion.com/a/amp?q=3\">" |
| "</head><head></head></html>"); |
| } |
| |
| TEST_F(InsertAmpLinkFilterTest, NoAmpTagAddedIfNoHeadTag) { |
| AddFilter(kDefaultAmpPattern); |
| ValidateExpectedUrl( |
| "http://test.com/a?q=3", |
| "<html><body></body></html>", |
| "<html><body></body></html>"); |
| } |
| |
| // Tests for badly formed patterns. |
| |
| TEST_F(InsertAmpLinkFilterTest, NoClosingBrace) { |
| AddFilter("${url"); |
| ValidateExpectedUrl( |
| "http://test.com/a", |
| StrCat(kHtmlPrefix, kHtmlSuffix), |
| StrCat(kHtmlPrefix, |
| "<link rel=\"amphtml\" href=\"${url\">", |
| kHtmlSuffix)); |
| } |
| |
| TEST_F(InsertAmpLinkFilterTest, UnknownPattern) { |
| AddFilter("a${unknown_pattern}b"); |
| ValidateExpectedUrl( |
| "http://test.com/a", |
| StrCat(kHtmlPrefix, kHtmlSuffix), |
| StrCat(kHtmlPrefix, |
| "<link rel=\"amphtml\" href=\"a${unknown_pattern}b\">", |
| kHtmlSuffix)); |
| } |
| |
| TEST_F(InsertAmpLinkFilterTest, ClosingBraceWithoutOpeningBrace) { |
| AddFilter("}${url}"); |
| ValidateExpectedUrl( |
| "http://test.com/a", |
| StrCat(kHtmlPrefix, kHtmlSuffix), |
| StrCat(kHtmlPrefix, |
| "<link rel=\"amphtml\" href=\"}http://test.com/a\">", |
| kHtmlSuffix)); |
| } |
| |
| // Tests that the default pattern can produce URLs in the |
| // expected form (i.e. "insert an extra '/amp', but respect the trailing |
| // slash if present and include the query). |
| |
| TEST_F(InsertAmpLinkFilterTest, DefaultTemplateUrlHasNoTrailingSlash) { |
| AddFilter(kDefaultAmpPattern); |
| ValidateExpectedUrl( |
| "http://test.com/a.html", |
| StrCat(kHtmlPrefix, kHtmlSuffix), |
| StrCat( |
| kHtmlPrefix, |
| "<link rel=\"amphtml\" href=\"https://ampversion.com/a.html/amp\">", |
| kHtmlSuffix)); |
| } |
| |
| TEST_F(InsertAmpLinkFilterTest, DefaultTemplateUrlHasTrailingSlash) { |
| AddFilter(kDefaultAmpPattern); |
| ValidateExpectedUrl( |
| "http://test.com/a/b/", |
| StrCat(kHtmlPrefix, kHtmlSuffix), |
| StrCat(kHtmlPrefix, |
| "<link rel=\"amphtml\" href=\"https://ampversion.com/a/b/amp/\">", |
| kHtmlSuffix)); |
| } |
| |
| TEST_F(InsertAmpLinkFilterTest, DefaultTemplateUrlHasQueryString) { |
| AddFilter(kDefaultAmpPattern); |
| ValidateExpectedUrl( |
| "http://test.com/a?q=3", |
| StrCat(kHtmlPrefix, kHtmlSuffix), |
| StrCat(kHtmlPrefix, |
| "<link rel=\"amphtml\" href=\"https://ampversion.com/a/amp?q=3\">", |
| kHtmlSuffix)); |
| } |
| |
| } // namespace net_instaweb |
