[tests] Refactor and make MockFileSource more general
Now it works more like StubStyleObserver: you can assign std::functions to specific slots based on resource type. Rewrite resource loading tests in that style, making them less like integration tests of Style and more like unit tests of Source, GlyphStore, and SpriteStore.
This commit is contained in:
John Firebaugh
290
test/style/source.cpp
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290
test/style/source.cpp
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#include "../fixtures/util.hpp"
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#include "../fixtures/stub_file_source.hpp"
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#include "../fixtures/mock_view.hpp"
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#include "../fixtures/stub_style_observer.hpp"
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#include <mbgl/map/source.hpp>
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#include <mbgl/util/run_loop.hpp>
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#include <mbgl/util/string.hpp>
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#include <mbgl/util/io.hpp>
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#include <mbgl/platform/log.hpp>
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#include <mbgl/map/transform.hpp>
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#include <mbgl/map/map_data.hpp>
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#include <mbgl/util/worker.hpp>
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#include <mbgl/util/texture_pool.hpp>
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#include <mbgl/style/style.hpp>
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#include <mbgl/style/style_update_parameters.hpp>
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#include <mbgl/layer/line_layer.hpp>
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using namespace mbgl;
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class SourceTest {
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public:
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util::ThreadContext context { "Map", util::ThreadType::Map, util::ThreadPriority::Regular };
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util::RunLoop loop;
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StubFileSource fileSource;
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StubStyleObserver observer;
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MockView view;
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Transform transform { view, ConstrainMode::HeightOnly };
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TransformState transformState;
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Worker worker { 1 };
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TexturePool texturePool;
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MapData mapData { MapMode::Still, GLContextMode::Unique, 1.0 };
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Style style { mapData };
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StyleUpdateParameters updateParameters {
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1.0,
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MapDebugOptions(),
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TimePoint(),
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transformState,
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worker,
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texturePool,
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true,
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MapMode::Continuous,
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mapData,
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style
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};
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SourceTest() {
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// Squelch logging.
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Log::setObserver(std::make_unique<Log::NullObserver>());
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util::ThreadContext::Set(&context);
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util::ThreadContext::setFileSource(&fileSource);
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transform.resize({{ 512, 512 }});
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transform.setLatLngZoom({0, 0}, 0);
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transformState = transform.getState();
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}
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void run() {
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loop.run();
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}
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void end() {
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loop.stop();
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}
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};
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TEST(Source, LoadingFail) {
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SourceTest test;
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test.fileSource.sourceResponse = [&] (const Resource& resource) {
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EXPECT_EQ("url", resource.url);
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Response response;
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response.error = std::make_unique<Response::Error>(
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Response::Error::Reason::Other,
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"Failed by the test case");
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return response;
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};
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test.observer.sourceError = [&] (Source& source, std::exception_ptr error) {
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EXPECT_EQ("url", source.url);
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EXPECT_EQ("Failed by the test case", util::toString(error));
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test.end();
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};
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Source source(SourceType::Vector, "source", "url", 512, nullptr, nullptr);
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source.setObserver(&test.observer);
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source.load();
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test.run();
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}
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TEST(Source, LoadingCorrupt) {
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SourceTest test;
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test.fileSource.sourceResponse = [&] (const Resource& resource) {
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EXPECT_EQ("url", resource.url);
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Response response;
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response.data = std::make_unique<std::string>("CORRUPTED");
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return response;
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};
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test.observer.sourceError = [&] (Source& source, std::exception_ptr error) {
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EXPECT_EQ("url", source.url);
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EXPECT_EQ("0 - Invalid value.", util::toString(error));
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test.end();
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};
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Source source(SourceType::Vector, "source", "url", 512, nullptr, nullptr);
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source.setObserver(&test.observer);
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source.load();
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test.run();
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}
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TEST(Source, RasterTileFail) {
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SourceTest test;
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test.fileSource.tileResponse = [&] (const Resource&) {
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Response response;
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response.error = std::make_unique<Response::Error>(
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Response::Error::Reason::Other,
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"Failed by the test case");
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return response;
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};
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test.observer.tileError = [&] (Source& source, const TileID& tileID, std::exception_ptr error) {
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EXPECT_EQ(SourceType::Raster, source.type);
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EXPECT_EQ("0/0/0", std::string(tileID));
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EXPECT_EQ("Failed by the test case", util::toString(error));
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test.end();
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};
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auto info = std::make_unique<SourceInfo>();
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info->tiles = { "tiles" };
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Source source(SourceType::Raster, "source", "", 512, std::move(info), nullptr);
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source.setObserver(&test.observer);
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source.load();
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source.update(test.updateParameters);
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test.run();
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}
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TEST(Source, VectorTileFail) {
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SourceTest test;
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test.fileSource.tileResponse = [&] (const Resource&) {
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Response response;
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response.error = std::make_unique<Response::Error>(
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Response::Error::Reason::Other,
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"Failed by the test case");
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return response;
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};
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test.observer.tileError = [&] (Source& source, const TileID& tileID, std::exception_ptr error) {
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EXPECT_EQ(SourceType::Vector, source.type);
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EXPECT_EQ("0/0/0", std::string(tileID));
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EXPECT_EQ("Failed by the test case", util::toString(error));
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test.end();
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};
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auto info = std::make_unique<SourceInfo>();
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info->tiles = { "tiles" };
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Source source(SourceType::Vector, "source", "", 512, std::move(info), nullptr);
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source.setObserver(&test.observer);
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source.load();
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source.update(test.updateParameters);
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test.run();
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}
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TEST(Source, RasterTileCorrupt) {
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SourceTest test;
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test.fileSource.tileResponse = [&] (const Resource&) {
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Response response;
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response.data = std::make_unique<std::string>("CORRUPTED");
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return response;
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};
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test.observer.tileError = [&] (Source& source, const TileID& tileID, std::exception_ptr error) {
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EXPECT_EQ(source.type, SourceType::Raster);
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EXPECT_EQ(std::string(tileID), "0/0/0");
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EXPECT_TRUE(bool(error));
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// Not asserting on platform-specific error text.
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test.end();
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};
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auto info = std::make_unique<SourceInfo>();
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info->tiles = { "tiles" };
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Source source(SourceType::Raster, "source", "", 512, std::move(info), nullptr);
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source.setObserver(&test.observer);
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source.load();
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source.update(test.updateParameters);
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test.run();
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}
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TEST(Source, VectorTileCorrupt) {
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SourceTest test;
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test.fileSource.tileResponse = [&] (const Resource&) {
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Response response;
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response.data = std::make_unique<std::string>("CORRUPTED");
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return response;
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};
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test.observer.tileError = [&] (Source& source, const TileID& tileID, std::exception_ptr error) {
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EXPECT_EQ(source.type, SourceType::Vector);
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EXPECT_EQ(std::string(tileID), "0/0/0");
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EXPECT_EQ(util::toString(error), "pbf unknown field type exception");
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test.end();
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};
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// Need to have at least one layer that uses the source.
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auto layer = std::make_unique<LineLayer>();
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layer->source = "source";
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layer->sourceLayer = "water";
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test.style.addLayer(std::move(layer));
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auto info = std::make_unique<SourceInfo>();
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info->tiles = { "tiles" };
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Source source(SourceType::Vector, "source", "", 512, std::move(info), nullptr);
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source.setObserver(&test.observer);
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source.load();
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source.update(test.updateParameters);
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test.run();
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}
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TEST(Source, RasterTileCancel) {
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SourceTest test;
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test.fileSource.tileResponse = [&] (const Resource&) {
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test.end();
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return Response();
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};
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test.observer.tileLoaded = [&] (Source&, const TileID&, bool) {
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FAIL() << "Should never be called";
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};
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test.observer.tileError = [&] (Source&, const TileID&, std::exception_ptr) {
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FAIL() << "Should never be called";
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};
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auto info = std::make_unique<SourceInfo>();
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info->tiles = { "tiles" };
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Source source(SourceType::Raster, "source", "", 512, std::move(info), nullptr);
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source.setObserver(&test.observer);
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source.load();
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source.update(test.updateParameters);
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test.run();
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}
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TEST(Source, VectorTileCancel) {
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SourceTest test;
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test.fileSource.tileResponse = [&] (const Resource&) {
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test.end();
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return Response();
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};
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test.observer.tileLoaded = [&] (Source&, const TileID&, bool) {
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FAIL() << "Should never be called";
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};
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test.observer.tileError = [&] (Source&, const TileID&, std::exception_ptr) {
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FAIL() << "Should never be called";
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};
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auto info = std::make_unique<SourceInfo>();
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info->tiles = { "tiles" };
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Source source(SourceType::Vector, "source", "", 512, std::move(info), nullptr);
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source.setObserver(&test.observer);
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source.load();
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source.update(test.updateParameters);
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test.run();
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}
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