Initial import of the Chrome Frame codebase. Integration in chrome.gyp coming...

chrome_frame/test/html_util_unittests.cc

+// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <windows.h>
+#include <atlsecurity.h>
+#include <shellapi.h>
+
+#include "base/basictypes.h"
+#include "base/file_util.h"
+#include "base/message_loop.h"
+#include "base/path_service.h"
+#include "base/process_util.h"
+#include "base/ref_counted.h"
+#include "base/scoped_handle.h"
+#include "base/task.h"
+#include "base/win_util.h"
+#include "net/base/net_util.h"
+
+#include "chrome_frame/test/chrome_frame_unittests.h"
+#include "chrome_frame/chrome_frame_automation.h"
+#include "chrome_frame/chrome_frame_delegate.h"
+#include "chrome_frame/html_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+class HtmlUtilUnittest : public testing::Test {
+ protected:
+  // Constructor
+  HtmlUtilUnittest() {}
+
+  // Returns the test path given a test case.
+  virtual bool GetTestPath(const std::wstring& test_case, std::wstring* path) {
+    if (!path) {
+      NOTREACHED();
+      return false;
+    }
+
+    std::wstring test_path;
+    if (!PathService::Get(base::DIR_SOURCE_ROOT, &test_path)) {
+      NOTREACHED();
+      return false;
+    }
+
+    file_util::AppendToPath(&test_path, L"chrome_frame");
+    file_util::AppendToPath(&test_path, L"test");
+    file_util::AppendToPath(&test_path, L"html_util_test_data");
+    file_util::AppendToPath(&test_path, test_case);
+
+    *path = test_path;
+    return true;
+  }
+
+  virtual bool GetTestData(const std::wstring& test_case, std::wstring* data) {
+    if (!data) {
+      NOTREACHED();
+      return false;
+    }
+
+    std::wstring path;
+    if (!GetTestPath(test_case, &path)) {
+      NOTREACHED();
+      return false;
+    }
+
+    std::string raw_data;
+    file_util::ReadFileToString(path, &raw_data);
+
+    // Convert to wide using the "best effort" assurance described in
+    // string_util.h
+    data->assign(UTF8ToWide(raw_data));
+    return true;
+  }
+};
+
+TEST_F(HtmlUtilUnittest, BasicTest) {
+  std::wstring test_data;
+  GetTestData(L"basic_test.html", &test_data);
+
+  HTMLScanner scanner(test_data.c_str());
+
+  // Grab the meta tag from the document and ensure that we get exactly one.
+  HTMLScanner::StringRangeList tag_list;
+  scanner.GetTagsByName(L"meta", &tag_list, L"body");
+  ASSERT_EQ(1, tag_list.size());
+
+  // Pull out the http-equiv attribute and check its value:
+  HTMLScanner::StringRange attribute_value;
+  EXPECT_TRUE(tag_list[0].GetTagAttribute(L"http-equiv", &attribute_value));
+  EXPECT_TRUE(attribute_value.Equals(L"X-UA-Compatible"));
+
+  // Pull out the content attribute and check its value:
+  EXPECT_TRUE(tag_list[0].GetTagAttribute(L"content", &attribute_value));
+  EXPECT_TRUE(attribute_value.Equals(L"chrome=1"));
+}
+
+TEST_F(HtmlUtilUnittest, QuotesTest) {
+  std::wstring test_data;
+  GetTestData(L"quotes_test.html", &test_data);
+
+  HTMLScanner scanner(test_data.c_str());
+
+  // Grab the meta tag from the document and ensure that we get exactly one.
+  HTMLScanner::StringRangeList tag_list;
+  scanner.GetTagsByName(L"meta", &tag_list, L"body");
+  ASSERT_EQ(1, tag_list.size());
+
+  // Pull out the http-equiv attribute and check its value:
+  HTMLScanner::StringRange attribute_value;
+  EXPECT_TRUE(tag_list[0].GetTagAttribute(L"http-equiv", &attribute_value));
+  EXPECT_TRUE(attribute_value.Equals(L"X-UA-Compatible"));
+
+  // Pull out the content attribute and check its value:
+  EXPECT_TRUE(tag_list[0].GetTagAttribute(L"content", &attribute_value));
+  EXPECT_TRUE(attribute_value.Equals(L"chrome=1"));
+}
+
+TEST_F(HtmlUtilUnittest, DegenerateCasesTest) {
+  std::wstring test_data;
+  GetTestData(L"degenerate_cases_test.html", &test_data);
+
+  HTMLScanner scanner(test_data.c_str());
+
+  // Scan for meta tags in the document. We expect not to pick up the one
+  // that appears to be there since it is technically inside a quote block.
+  HTMLScanner::StringRangeList tag_list;
+  scanner.GetTagsByName(L"meta", &tag_list, L"body");
+  EXPECT_TRUE(tag_list.empty());
+}
+
+TEST_F(HtmlUtilUnittest, MultipleTagsTest) {
+  std::wstring test_data;
+  GetTestData(L"multiple_tags.html", &test_data);
+
+  HTMLScanner scanner(test_data.c_str());
+
+  // Grab the meta tag from the document and ensure that we get exactly three.
+  HTMLScanner::StringRangeList tag_list;
+  scanner.GetTagsByName(L"meta", &tag_list, L"body");
+  EXPECT_EQ(7, tag_list.size());
+
+  // Pull out the content attribute for each tag and check its value:
+  HTMLScanner::StringRange attribute_value;
+  HTMLScanner::StringRangeList::const_iterator tag_list_iter(
+      tag_list.begin());
+  int valid_tag_count = 0;
+  for (; tag_list_iter != tag_list.end(); tag_list_iter++) {
+    HTMLScanner::StringRange attribute_value;
+    if (tag_list_iter->GetTagAttribute(L"http-equiv", &attribute_value) &&
+        attribute_value.Equals(L"X-UA-Compatible")) {
+      EXPECT_TRUE(tag_list_iter->GetTagAttribute(L"content", &attribute_value));
+      EXPECT_TRUE(attribute_value.Equals(L"chrome=1"));
+      valid_tag_count++;
+    }
+  }
+  EXPECT_EQ(3, valid_tag_count);
+}
+
+TEST_F(HtmlUtilUnittest, ShortDegenerateTest1) {
+  std::wstring test_data(
+      L"<foo><META http-equiv=X-UA-Compatible content='chrome=1'");
+
+  HTMLScanner scanner(test_data.c_str());
+
+  // Scan for meta tags in the document. We expect not to pick up the one
+  // that is there since it is not properly closed.
+  HTMLScanner::StringRangeList tag_list;
+  scanner.GetTagsByName(L"meta", &tag_list, L"body");
+  EXPECT_TRUE(tag_list.empty());
+}
+
+TEST_F(HtmlUtilUnittest, ShortDegenerateTest2) {
+  std::wstring test_data(
+    L"<foo <META http-equiv=X-UA-Compatible content='chrome=1'/>");
+
+  HTMLScanner scanner(test_data.c_str());
+
+  // Scan for meta tags in the document. We expect not to pick up the one
+  // that appears to be there since it is inside a non-closed tag.
+  HTMLScanner::StringRangeList tag_list;
+  scanner.GetTagsByName(L"meta", &tag_list, L"body");
+  EXPECT_TRUE(tag_list.empty());
+}
+
+TEST_F(HtmlUtilUnittest, QuoteInsideHTMLCommentTest) {
+  std::wstring test_data(
+    L"<!-- comment' --><META http-equiv=X-UA-Compatible content='chrome=1'/>");
+
+  HTMLScanner scanner(test_data.c_str());
+
+  // Grab the meta tag from the document and ensure that we get exactly one.
+  HTMLScanner::StringRangeList tag_list;
+  scanner.GetTagsByName(L"meta", &tag_list, L"body");
+  ASSERT_EQ(1, tag_list.size());
+
+  // Pull out the http-equiv attribute and check its value:
+  HTMLScanner::StringRange attribute_value;
+  EXPECT_TRUE(tag_list[0].GetTagAttribute(L"http-equiv", &attribute_value));
+  EXPECT_TRUE(attribute_value.Equals(L"X-UA-Compatible"));
+
+  // Pull out the content attribute and check its value:
+  EXPECT_TRUE(tag_list[0].GetTagAttribute(L"content", &attribute_value));
+  EXPECT_TRUE(attribute_value.Equals(L"chrome=1"));
+}
+
+TEST_F(HtmlUtilUnittest, CloseTagInsideHTMLCommentTest) {
+  std::wstring test_data(
+    L"<!-- comment> <META http-equiv=X-UA-Compatible content='chrome=1'/>-->");
+
+  HTMLScanner scanner(test_data.c_str());
+
+  // Grab the meta tag from the document and ensure that we get exactly one.
+  HTMLScanner::StringRangeList tag_list;
+  scanner.GetTagsByName(L"meta", &tag_list, L"body");
+  ASSERT_TRUE(tag_list.empty());
+}