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#include <mbgl/test/util.hpp>
#include <mbgl/test/fixture_log_observer.hpp>
#include <mbgl/test/stub_file_source.hpp>
#include <mbgl/sprite/sprite_loader.hpp>
#include <mbgl/sprite/sprite_loader_observer.hpp>
#include <mbgl/sprite/sprite_parser.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/util/string.hpp>
#include <utility>
using namespace mbgl;
using namespace mbgl::style;
class StubSpriteLoaderObserver : public SpriteLoaderObserver {
public:
void onSpriteLoaded(std::vector<std::unique_ptr<style::Image>>&& images) override {
if (spriteLoaded) spriteLoaded(std::move(images));
}
void onSpriteError(std::exception_ptr error) override {
if (spriteError) spriteError(error);
}
std::function<void (std::vector<std::unique_ptr<style::Image>>&&)> spriteLoaded;
std::function<void (std::exception_ptr)> spriteError;
};
class SpriteLoaderTest {
public:
SpriteLoaderTest() = default;
util::RunLoop loop;
StubFileSource fileSource;
StubSpriteLoaderObserver observer;
SpriteLoader spriteLoader{ 1 };
void run() {
// Squelch logging.
Log::setObserver(std::make_unique<Log::NullObserver>());
spriteLoader.setObserver(&observer);
spriteLoader.load("test/fixtures/resources/sprite", fileSource);
loop.run();
}
void end() {
loop.stop();
}
};
Response successfulSpriteImageResponse(const Resource& resource) {
EXPECT_EQ("test/fixtures/resources/sprite.png", resource.url);
Response response;
response.data = std::make_unique<std::string>(util::read_file(resource.url));
return response;
}
Response successfulSpriteJSONResponse(const Resource& resource) {
EXPECT_EQ("test/fixtures/resources/sprite.json", resource.url);
Response response;
response.data = std::make_unique<std::string>(util::read_file(resource.url));
return response;
}
Response failedSpriteResponse(const Resource&) {
Response response;
response.error = std::make_unique<Response::Error>(
Response::Error::Reason::Other,
"Failed by the test case");
return response;
}
Response corruptSpriteResponse(const Resource&) {
Response response;
response.data = std::make_unique<std::string>("CORRUPT");
return response;
}
TEST(SpriteLoader, LoadingSuccess) {
SpriteLoaderTest test;
test.fileSource.spriteImageResponse = successfulSpriteImageResponse;
test.fileSource.spriteJSONResponse = successfulSpriteJSONResponse;
test.observer.spriteError = [&] (std::exception_ptr error) {
FAIL() << util::toString(error);
test.end();
};
test.observer.spriteLoaded = [&] (std::vector<std::unique_ptr<style::Image>>&& images) {
EXPECT_EQ(images.size(), 367u);
test.end();
};
test.run();
}
TEST(SpriteLoader, JSONLoadingFail) {
SpriteLoaderTest test;
test.fileSource.spriteImageResponse = successfulSpriteImageResponse;
test.fileSource.spriteJSONResponse = failedSpriteResponse;
test.observer.spriteError = [&] (std::exception_ptr error) {
EXPECT_TRUE(error != nullptr);
EXPECT_EQ("Failed by the test case", util::toString(error));
test.end();
};
test.run();
}
TEST(SpriteLoader, ImageLoadingFail) {
SpriteLoaderTest test;
test.fileSource.spriteImageResponse = failedSpriteResponse;
test.fileSource.spriteJSONResponse = successfulSpriteJSONResponse;
test.observer.spriteError = [&] (std::exception_ptr error) {
EXPECT_TRUE(error != nullptr);
EXPECT_EQ("Failed by the test case", util::toString(error));
test.end();
};
test.run();
}
TEST(SpriteLoader, JSONLoadingCorrupted) {
SpriteLoaderTest test;
test.fileSource.spriteImageResponse = successfulSpriteImageResponse;
test.fileSource.spriteJSONResponse = corruptSpriteResponse;
test.observer.spriteError = [&] (std::exception_ptr error) {
EXPECT_TRUE(error != nullptr);
EXPECT_EQ("Failed to parse JSON: Invalid value. at offset 0", util::toString(error));
test.end();
};
test.run();
}
TEST(SpriteLoader, ImageLoadingCorrupted) {
SpriteLoaderTest test;
test.fileSource.spriteImageResponse = corruptSpriteResponse;
test.fileSource.spriteJSONResponse = successfulSpriteJSONResponse;
test.observer.spriteError = [&] (std::exception_ptr error) {
EXPECT_TRUE(error != nullptr);
// Not asserting on platform-specific error text.
test.end();
};
test.run();
}
TEST(SpriteLoader, LoadingCancel) {
SpriteLoaderTest test;
test.fileSource.spriteImageResponse =
test.fileSource.spriteJSONResponse = [&] (const Resource&) {
test.end();
return optional<Response>();
};
test.observer.spriteLoaded = [&] (const std::vector<std::unique_ptr<style::Image>>&) {
FAIL() << "Should never be called";
};
test.run();
}
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