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#include "../fixtures/fixture_log_observer.hpp"
#include "../fixtures/mock_file_source.hpp"
#include "../fixtures/util.hpp"
#include <mbgl/text/font_stack.hpp>
#include <mbgl/text/glyph_store.hpp>
#include <mbgl/util/async_task.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/util/thread.hpp>
#include <utility>
using namespace mbgl;
using GlyphStoreTestCallback = std::function<void(GlyphStore*, std::exception_ptr)>;
struct GlyphStoreParams {
const std::string url;
const std::string stack;
const std::set<GlyphRange> ranges;
};
class GlyphStoreThread : public GlyphStore::Observer {
public:
GlyphStoreThread(FileSource* fileSource, GlyphStoreTestCallback callback) : callback_(std::move(callback)) {
util::ThreadContext::setFileSource(fileSource);
}
void loadGlyphStore(const GlyphStoreParams& params) {
glyphStore_.reset(new GlyphStore());
glyphStore_->setObserver(this);
glyphStore_->setURL(params.url);
ASSERT_FALSE(glyphStore_->hasGlyphRanges(params.stack, params.ranges));
}
void unloadGlyphStore() {
glyphStore_->setObserver(nullptr);
glyphStore_.reset();
}
void onGlyphsLoaded(const std::string&, const GlyphRange&) override {
callback_(glyphStore_.get(), nullptr);
}
void onGlyphsError(const std::string&, const GlyphRange&, std::exception_ptr error) override {
callback_(glyphStore_.get(), error);
}
private:
std::unique_ptr<GlyphStore> glyphStore_;
GlyphStoreTestCallback callback_;
};
class GlyphStoreTest : public testing::Test {
protected:
void runTest(const GlyphStoreParams& params, FileSource* fileSource, GlyphStoreTestCallback callback) {
util::RunLoop loop;
async_ = std::make_unique<util::AsyncTask>([&]{ loop.stop(); });
async_->unref();
const util::ThreadContext context = {"Map", util::ThreadType::Map, util::ThreadPriority::Regular};
util::Thread<GlyphStoreThread> tester(context, fileSource, callback);
tester.invoke(&GlyphStoreThread::loadGlyphStore, params);
loop.run();
tester.invoke(&GlyphStoreThread::unloadGlyphStore);
}
void stopTest() {
testDone = true;
async_->send();
}
bool isDone() const {
return testDone;
}
private:
bool testDone = false;
std::unique_ptr<util::AsyncTask> async_;
};
TEST_F(GlyphStoreTest, LoadingSuccess) {
GlyphStoreParams params = {
"test/fixtures/resources/glyphs.pbf",
"Test Stack",
{{0, 255}, {256, 511}}
};
auto callback = [this, ¶ms](GlyphStore* store, std::exception_ptr error) {
ASSERT_TRUE(util::ThreadContext::currentlyOn(util::ThreadType::Map));
// We need to check if the test is over because checking
// if the GlyphStore has glyphs below will cause more requests
// to happen and we don't want this endless loop.
if (isDone()) {
return;
}
ASSERT_EQ(error, nullptr);
if (!store->hasGlyphRanges(params.stack, params.ranges)) {
return;
}
ASSERT_FALSE(store->hasGlyphRanges("Foobar", params.ranges));
ASSERT_FALSE(store->hasGlyphRanges("Foobar", {{512, 767}}));
ASSERT_FALSE(store->hasGlyphRanges("Test Stack", {{512, 767}}));
auto fontStack = store->getFontStack(params.stack);
ASSERT_FALSE(fontStack->getMetrics().empty());
ASSERT_FALSE(fontStack->getSDFs().empty());
stopTest();
};
MockFileSource fileSource(MockFileSource::Success, "");
runTest(params, &fileSource, callback);
}
TEST_F(GlyphStoreTest, LoadingFail) {
GlyphStoreParams params = {
"test/fixtures/resources/glyphs.pbf",
"Test Stack",
{{0, 255}, {256, 511}}
};
auto callback = [this, ¶ms](GlyphStore* store, std::exception_ptr error) {
ASSERT_TRUE(util::ThreadContext::currentlyOn(util::ThreadType::Map));
if (isDone()) {
return;
}
ASSERT_TRUE(error != nullptr);
auto fontStack = store->getFontStack(params.stack);
ASSERT_TRUE(fontStack->getMetrics().empty());
ASSERT_TRUE(fontStack->getSDFs().empty());
for (const auto& range : params.ranges) {
ASSERT_FALSE(store->hasGlyphRanges(params.stack, {range}));
}
ASSERT_FALSE(store->hasGlyphRanges(params.stack, params.ranges));
ASSERT_FALSE(store->hasGlyphRanges("Foobar", params.ranges));
ASSERT_FALSE(store->hasGlyphRanges("Foobar", {{512, 767}}));
stopTest();
};
MockFileSource fileSource(MockFileSource::RequestFail, "glyphs.pbf");
runTest(params, &fileSource, callback);
}
TEST_F(GlyphStoreTest, LoadingCorrupted) {
GlyphStoreParams params = {
"test/fixtures/resources/glyphs.pbf",
"Test Stack",
{{0, 255}, {256, 511}}
};
auto callback = [this, ¶ms](GlyphStore* store, std::exception_ptr error) {
ASSERT_TRUE(util::ThreadContext::currentlyOn(util::ThreadType::Map));
if (isDone()) {
return;
}
ASSERT_TRUE(error != nullptr);
auto fontStack = store->getFontStack(params.stack);
ASSERT_TRUE(fontStack->getMetrics().empty());
ASSERT_TRUE(fontStack->getSDFs().empty());
for (const auto& range : params.ranges) {
ASSERT_FALSE(store->hasGlyphRanges(params.stack, {range}));
}
ASSERT_FALSE(store->hasGlyphRanges(params.stack, params.ranges));
ASSERT_FALSE(store->hasGlyphRanges("Foobar", params.ranges));
ASSERT_FALSE(store->hasGlyphRanges("Foobar", {{512, 767}}));
stopTest();
};
MockFileSource fileSource(MockFileSource::RequestWithCorruptedData, "glyphs.pbf");
runTest(params, &fileSource, callback);
}
TEST_F(GlyphStoreTest, LoadingCancel) {
GlyphStoreParams params = {
"test/fixtures/resources/glyphs.pbf",
"Test Stack",
{{0, 255}, {256, 511}}
};
auto callback = [this](GlyphStore*, std::exception_ptr) {
FAIL() << "Should never be called";
};
MockFileSource fileSource(MockFileSource::SuccessWithDelay, "glyphs.pbf");
fileSource.setOnRequestDelayedCallback([this]{
stopTest();
});
runTest(params, &fileSource, callback);
}
TEST_F(GlyphStoreTest, InvalidURL) {
GlyphStoreParams params = {
"foo bar",
"Test Stack",
{{0, 255}, {256, 511}}
};
auto callback = [this, ¶ms](GlyphStore* store, std::exception_ptr error) {
ASSERT_TRUE(error != nullptr);
auto fontStack = store->getFontStack(params.stack);
ASSERT_TRUE(fontStack->getMetrics().empty());
ASSERT_TRUE(fontStack->getSDFs().empty());
stopTest();
};
MockFileSource fileSource(MockFileSource::Success, "");
runTest(params, &fileSource, callback);
}
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