21e4029acf
This adds support for using cached styles that are stale. They're treated like changing styles; when the refreshed style changed compared to the one we've already had, we're swapping out the entire style, which might cause a slight flicker.
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
#include "storage.hpp"
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#include <mbgl/platform/default/headless_display.hpp>
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#include <mbgl/platform/default/headless_view.hpp>
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#include <mbgl/storage/sqlite_cache.hpp>
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#include <mbgl/storage/default_file_source.hpp>
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#include <mbgl/platform/log.hpp>
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#include <mbgl/util/work_request.hpp>
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#include <mbgl/util/io.hpp>
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using namespace mbgl;
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using namespace std::literals::chrono_literals;
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using namespace std::literals::string_literals;
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namespace {
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void checkRendering(Map& map, const char *name, std::chrono::milliseconds timeout) {
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test::checkImage("test/fixtures/stale/"s + name, test::render(map, timeout), 0.001, 0.1);
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}
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Response expiredItem(const std::string& path) {
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Response response;
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response.data = std::make_shared<std::string>(util::read_file("test/fixtures/"s + path));
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response.expires = 0s;
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return response;
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}
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const std::string prefix = "http://127.0.0.1:3000";
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}
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auto display = std::make_shared<mbgl::HeadlessDisplay>();
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TEST_F(Storage, CacheStaleStyle) {
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HeadlessView view(display, 1);
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auto cache = SQLiteCache::getShared(":memory:");
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// Rig the cache with an expired stylesheet.
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const std::string stylePath = "stale/style.json";
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const Resource styleResource{ Resource::Kind::Style, prefix + "/" + stylePath };
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cache->put(styleResource, expiredItem(stylePath));
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DefaultFileSource fileSource(":memory:", ".");
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Map map(view, fileSource, MapMode::Still);
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map.setStyleURL(styleResource.url);
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checkRendering(map, "stale_style", 1000ms);
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}
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