| /* |
| * Copyright 2014 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: morlovich@google.com (Maksim Orlovich) |
| |
| #include "net/instaweb/rewriter/public/js_replacer.h" |
| |
| #include "pagespeed/kernel/base/basictypes.h" |
| #include "pagespeed/kernel/base/gtest.h" |
| #include "pagespeed/kernel/base/scoped_ptr.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| |
| using pagespeed::js::JsTokenizerPatterns; |
| |
| namespace net_instaweb { |
| |
| namespace { |
| |
| class JsReplacerTest : public testing::Test { |
| public: |
| JsReplacerTest() : replacer_(&patterns_) {} |
| |
| void AppendTail(GoogleString* str) { |
| StrAppend(str, " with tail"); |
| } |
| |
| void AppendHead(GoogleString* str) { |
| *str = "head with " + *str; |
| } |
| |
| protected: |
| JsTokenizerPatterns patterns_; |
| JsReplacer replacer_; |
| }; |
| |
| TEST_F(JsReplacerTest, EmptyNoOp) { |
| const char kIn[] = "function foo() {\n return 42;\n}"; |
| GoogleString out; |
| replacer_.Transform(kIn, &out); |
| EXPECT_EQ(kIn, out); |
| } |
| |
| TEST_F(JsReplacerTest, BasicMatch) { |
| const char kIn[] = "a.b.c = \"42\"; document.domain = 'whatever.com';"; |
| const char kOut[] = |
| "a.b.c = \"42\"; document.domain = 'whatever.com with tail';"; |
| scoped_ptr<JsReplacer::StringRewriter> rewriter( |
| NewPermanentCallback(this, &JsReplacerTest::AppendTail)); |
| replacer_.AddPattern("document", "domain", rewriter.get()); |
| |
| GoogleString out; |
| replacer_.Transform(kIn, &out); |
| EXPECT_EQ(kOut, out); |
| } |
| |
| TEST_F(JsReplacerTest, RedundantPattern) { |
| // Make sure the documented behavior of redundant patterns actually happens. |
| const char kIn[] = "a.b.c = \"42\"; document.domain = 'whatever.com';"; |
| const char kOut[] = |
| "a.b.c = \"42\"; document.domain = 'whatever.com with tail';"; |
| scoped_ptr<JsReplacer::StringRewriter> rewriter( |
| NewPermanentCallback(this, &JsReplacerTest::AppendTail)); |
| scoped_ptr<JsReplacer::StringRewriter> rewriter2( |
| NewPermanentCallback(this, &JsReplacerTest::AppendHead)); |
| replacer_.AddPattern("document", "domain", rewriter.get()); |
| replacer_.AddPattern("document", "domain", rewriter2.get()); |
| |
| GoogleString out; |
| replacer_.Transform(kIn, &out); |
| EXPECT_EQ(kOut, out); |
| } |
| |
| TEST_F(JsReplacerTest, TwoPatterns) { |
| // Test two different patterns. |
| const char kIn[] = |
| "a.b.c = \"42\"; document.domain = 'whatever.com';"; |
| const char kOut[] = |
| "a.b.c = \"head with 42\"; document.domain = 'whatever.com with tail';"; |
| scoped_ptr<JsReplacer::StringRewriter> rewriter( |
| NewPermanentCallback(this, &JsReplacerTest::AppendTail)); |
| scoped_ptr<JsReplacer::StringRewriter> rewriter2( |
| NewPermanentCallback(this, &JsReplacerTest::AppendHead)); |
| replacer_.AddPattern("document", "domain", rewriter.get()); |
| replacer_.AddPattern("b", "c", rewriter2.get()); |
| |
| GoogleString out; |
| replacer_.Transform(kIn, &out); |
| EXPECT_EQ(kOut, out); |
| } |
| |
| TEST_F(JsReplacerTest, CommentsOk) { |
| const char kIn[] = |
| "a.b.c = \"42\"; document.domain = /*relax*/ 'whatever.com';"; |
| const char kOut[] = |
| "a.b.c = \"42\"; document.domain = /*relax*/ 'whatever.com with tail';"; |
| scoped_ptr<JsReplacer::StringRewriter> rewriter( |
| NewPermanentCallback(this, &JsReplacerTest::AppendTail)); |
| replacer_.AddPattern("document", "domain", rewriter.get()); |
| |
| GoogleString out; |
| replacer_.Transform(kIn, &out); |
| EXPECT_EQ(kOut, out); |
| } |
| |
| } // namespace |
| |
| } // namespace net_instaweb |