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// Copyright 2008, Google Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// 3. Neither the name of Google Inc. nor the names of its contributors may be
// used to endorse or promote products derived from this software without
// specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// This file contains the unit tests for the KmlCache class.
#include "kml/engine/kml_cache.h"
#include "boost/scoped_ptr.hpp"
#include "kml/base/file.h"
#include "kml/base/net_cache_test_util.h"
#include "gtest/gtest.h"
#include "kml/dom.h"
#include "kml/engine/location_util.h"
// The following define is a convenience for testing inside Google.
#ifdef GOOGLE_INTERNAL
#include "kml/base/google_internal_test.h"
#endif
#ifndef DATADIR
#error *** DATADIR must be defined! ***
#endif
namespace kmlengine {
static const size_t kCacheSize = 137;
class KmlCacheTest : public testing::Test {
protected:
virtual void SetUp() {
kml_cache_.reset(new KmlCache(&testdata_net_fetcher_, kCacheSize));
}
kmlbase::TestDataNetFetcher testdata_net_fetcher_;
boost::scoped_ptr<KmlCache> kml_cache_;
};
// Verify the FetchKml() and FetchData() with null/bad arguments.
TEST_F(KmlCacheTest, TestNullBadFetch) {
const string kEmpty;
string data;
ASSERT_FALSE(kml_cache_->FetchKmlAbsolute(kEmpty));
ASSERT_FALSE(kml_cache_->FetchKmlRelative(kEmpty, kEmpty));
ASSERT_FALSE(kml_cache_->FetchDataRelative(kEmpty, kEmpty, NULL));
ASSERT_FALSE(kml_cache_->FetchDataRelative(kEmpty, kEmpty, &data));
ASSERT_TRUE(data.empty());
const string kGarbage("this is not a url");
ASSERT_FALSE(kml_cache_->FetchKmlAbsolute(kGarbage));
ASSERT_FALSE(kml_cache_->FetchKmlRelative(kGarbage, kGarbage));
ASSERT_FALSE(kml_cache_->FetchDataRelative(kGarbage, kGarbage, &data));
ASSERT_TRUE(data.empty());
}
// Verify basic usage of the FetchKml() method on known valid data.
TEST_F(KmlCacheTest, TestBasicFetchKml) {
// Fetch point-sarnen.kml as it if is a relative NetworkLink from
// some mythic.kml in the same directory on the same server.
const string kHost("http://www.example.com/");
const string kDir("style/weather");
const string kBaseKml("mythic.kml");
const string kTargetHref("point-sarnen.kml");
const string kBaseUrl(kHost + kDir + "/" + kBaseKml);
const string kTargetUrl(kHost + kDir + "/" + kTargetHref);
KmlFilePtr kml_file = kml_cache_->FetchKmlRelative(kBaseUrl, kTargetHref);
// Verify that this file fetches, parses, has the right url, has a Placemark
// with the given id and is at the given lat,lon.
ASSERT_TRUE(kml_file);
ASSERT_EQ(kTargetUrl, kml_file->get_url());
kmldom::PlacemarkPtr placemark =
AsPlacemark(kml_file->GetObjectById("SZXX0026"));
ASSERT_TRUE(placemark);
double lat, lon;
ASSERT_TRUE(kmlengine::GetFeatureLatLon(placemark, &lat, &lon));
ASSERT_EQ(46.9, lat);
ASSERT_EQ(8.23, lon);
// The preceding should have caused exactly one fetch.
//ASSERT_EQ(1, testdata_net_fetcher_.get_fetch_count());
// Verify that fetching it again works fine.
kml_file = NULL; // Releases our reference to this KmlFile.
placemark = NULL; // Releases our reference to this Placemark
kml_file = kml_cache_->FetchKmlRelative(kBaseUrl, kTargetHref);
ASSERT_TRUE(kml_file);
placemark = AsPlacemark(kml_file->GetObjectById("SZXX0026"));
ASSERT_TRUE(placemark);
// The immediately preceding should not have caused a fetch.
//ASSERT_EQ(1, testdata_net_fetcher_.get_fetch_count());
}
// Verify basic usage of the FetchData() method.
TEST_F(KmlCacheTest, TestBasicFetchData) {
// Fetch the KML from the previous test, but just as raw data.
const string kPath("/style/weather/point-sarnen.kml");
const string kUrl(string("http://host.com/" + kPath));
string got_content;
ASSERT_TRUE(kml_cache_->FetchDataRelative(kUrl, kUrl, &got_content));
// Read this out of the file system to compare.
string want_content;
ASSERT_TRUE(kmlbase::File::ReadFileToString(
kmlbase::File::JoinPaths(DATADIR, kPath), &want_content));
ASSERT_EQ(want_content, got_content);
// Fetch again to verify all is well.
got_content.clear();
ASSERT_TRUE(kml_cache_->FetchDataRelative(kUrl, kUrl, &got_content));
ASSERT_EQ(want_content, got_content);
}
// Verify that the URL of the KmlFile created for a fetch of a KMZ for
// the default KML file is as expected.
TEST_F(KmlCacheTest, TestBasicFetchKmz) {
const string kKmzPath("kmz/radar-animation.kmz");
const string kKmzUrl(string("http://host.com/" + kKmzPath));
KmlFilePtr kml_file = kml_cache_->FetchKmlAbsolute(kKmzUrl);
// The KML file in this KMZ archive is known to be doc.kml
ASSERT_EQ(string(kKmzUrl + "/doc.kml"), kml_file->get_url());
// Verify that the URL set for the KmlFile for an explicit KML reference
// into a KMZ is exactly the same as the fetch URL.
const string kLevel03131Path("level03/0131.kml");
const string kLevel03131Url(kKmzUrl + "/" + kLevel03131Path);
kml_file = kml_cache_->FetchKmlAbsolute(kLevel03131Url);
ASSERT_EQ(kLevel03131Url, kml_file->get_url());
}
static struct {
const char* base_url; // The URL of a KML file.
const char* target_href; // The content of an <href>, <styleUrl> in the KML.
size_t bytes; // 0 means expected to not exist.
bool in_kmz; // verify against TestDataNetFetcher counter
} kTestCases[] = {
{ // This KMZ has the following 4 images within.
"http://host.com/kmz/screenoverlay-continents.kmz/doc.kml",
"pngs/africa.png",
1863,
true
},
{
"http://host.com/kmz/screenoverlay-continents.kmz/doc.kml",
"pngs/europe.png",
1849,
true
},
{
"http://host.com/kmz/screenoverlay-continents.kmz/doc.kml",
"pngs/north-america.png",
2167,
true
},
{
"http://host.com/kmz/screenoverlay-continents.kmz/doc.kml",
"pngs/south-america.png",
2250,
true
},
{
"http://host.com/kmz/screenoverlay-continents.kmz/doc.kml",
"pngs/no-such-file-anywhere.png",
0,
false
},
{ // This KMZ has nothing but the KML.
"http://host.com/kmz/rumsey/kml/lc01.kmz/"
"khvol/temp/Rumsey/North_America/Lewis_and_Clark_1814/kml/01.kml",
"010.kmz",
1552, // TODO 690 something is being to smart an finding the KML in 010.kmz
false
},
{
"http://host.com/kmz/rumsey/kml/lc01.kmz/"
"khvol/temp/Rumsey/North_America/Lewis_and_Clark_1814/kml/01.kml",
"012.kmz",
1551, // TODO 692 size of KML insize 012.kmz
false
},
{
"http://host.com/kmz/rumsey/kml/lc01.kmz/"
"khvol/temp/Rumsey/North_America/Lewis_and_Clark_1814/kml/01.kml",
"../imagery/01_4.png",
6742,
false
},
{
"http://host.com/kmz/rumsey/kml/lc01.kmz/"
"khvol/temp/Rumsey/North_America/Lewis_and_Clark_1814/kml/01.kml",
"../imagery/01_8.png",
7364,
false
}
};
TEST_F(KmlCacheTest, TestFetchDataRelativeTestCases) {
size_t size = sizeof(kTestCases)/sizeof(kTestCases[0]);
for (size_t i = 0; i < size; ++i) {
string data;
bool status = kml_cache_->FetchDataRelative(kTestCases[i].base_url,
kTestCases[i].target_href,
&data);
if (kTestCases[i].bytes) {
ASSERT_TRUE(status);
ASSERT_EQ(kTestCases[i].bytes, data.size());
} else {
ASSERT_FALSE(status);
}
}
}
} // end namespace kmlengine
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