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/*
* Copyright 2011 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)
// Unit-tests for HtmlDetector
#include "pagespeed/automatic/html_detector.h"
#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/gtest.h"
#include "pagespeed/kernel/base/string.h"
namespace net_instaweb {
namespace {
class HtmlDetectorTest : public testing::Test {
public:
HtmlDetectorTest() {}
protected:
HtmlDetector html_detector_;
private:
DISALLOW_COPY_AND_ASSIGN(HtmlDetectorTest);
};
TEST_F(HtmlDetectorTest, DetectHtml) {
EXPECT_FALSE(html_detector_.already_decided());
EXPECT_TRUE(html_detector_.ConsiderInput(" <html>"));
EXPECT_TRUE(html_detector_.already_decided());
EXPECT_TRUE(html_detector_.probable_html());
GoogleString buf;
html_detector_.ReleaseBuffered(&buf);
EXPECT_TRUE(buf.empty());
}
TEST_F(HtmlDetectorTest, DetectHtmlBOM) {
// Make sure utf-8 BOMs don't scare us away.
EXPECT_FALSE(html_detector_.already_decided());
EXPECT_TRUE(html_detector_.ConsiderInput("\xEF\xBB\xBF<html>"));
EXPECT_TRUE(html_detector_.already_decided());
EXPECT_TRUE(html_detector_.probable_html());
GoogleString buf;
html_detector_.ReleaseBuffered(&buf);
EXPECT_TRUE(buf.empty());
}
TEST_F(HtmlDetectorTest, DetectJS) {
EXPECT_FALSE(html_detector_.already_decided());
EXPECT_TRUE(html_detector_.ConsiderInput(" var content_type='wrong';"));
EXPECT_TRUE(html_detector_.already_decided());
EXPECT_FALSE(html_detector_.probable_html());
GoogleString buf;
html_detector_.ReleaseBuffered(&buf);
EXPECT_TRUE(buf.empty());
}
TEST_F(HtmlDetectorTest, BufferedHtml) {
// Test to make sure that if there isn't enough to decide initially
// that the content is buffered properly.
EXPECT_FALSE(html_detector_.already_decided());
EXPECT_FALSE(html_detector_.ConsiderInput("\t\t"));
EXPECT_FALSE(html_detector_.already_decided());
EXPECT_FALSE(html_detector_.ConsiderInput(" "));
EXPECT_FALSE(html_detector_.already_decided());
EXPECT_TRUE(html_detector_.ConsiderInput(" <html>"));
EXPECT_TRUE(html_detector_.already_decided());
EXPECT_TRUE(html_detector_.probable_html());
GoogleString buf;
html_detector_.ReleaseBuffered(&buf);
EXPECT_EQ(buf, "\t\t ");
}
TEST_F(HtmlDetectorTest, BufferedJs) {
// Test to make sure that if there isn't enough to decide initially
// that the content is buffered properly.
EXPECT_FALSE(html_detector_.already_decided());
EXPECT_FALSE(html_detector_.ConsiderInput("\t\t"));
EXPECT_FALSE(html_detector_.already_decided());
EXPECT_FALSE(html_detector_.ConsiderInput(" "));
EXPECT_FALSE(html_detector_.already_decided());
EXPECT_TRUE(html_detector_.ConsiderInput(" var x = 42;"));
EXPECT_TRUE(html_detector_.already_decided());
EXPECT_FALSE(html_detector_.probable_html());
GoogleString buf;
html_detector_.ReleaseBuffered(&buf);
EXPECT_EQ(buf, "\t\t ");
}
TEST_F(HtmlDetectorTest, ForceDecisionTrue) {
EXPECT_FALSE(html_detector_.already_decided());
html_detector_.ForceDecision(true);
EXPECT_TRUE(html_detector_.already_decided());
EXPECT_TRUE(html_detector_.probable_html());
}
TEST_F(HtmlDetectorTest, ForceDecisionFalse) {
EXPECT_FALSE(html_detector_.already_decided());
html_detector_.ForceDecision(false);
EXPECT_TRUE(html_detector_.already_decided());
EXPECT_FALSE(html_detector_.probable_html());
}
} // namespace
} // namespace net_instaweb