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Diffstat (limited to 'test/text/glyph_loader.test.cpp')
| -rw-r--r-- | test/text/glyph_loader.test.cpp | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/test/text/glyph_loader.test.cpp b/test/text/glyph_loader.test.cpp new file mode 100644 index 0000000000..be197ebb46 --- /dev/null +++ b/test/text/glyph_loader.test.cpp @@ -0,0 +1,216 @@ +#include <mbgl/test/util.hpp> +#include <mbgl/test/stub_file_source.hpp> + +#include <mbgl/text/glyph_manager.hpp> +#include <mbgl/util/run_loop.hpp> +#include <mbgl/util/string.hpp> +#include <mbgl/util/io.hpp> +#include <mbgl/util/logging.hpp> + +using namespace mbgl; + +class StubGlyphManagerObserver : public GlyphManagerObserver { +public: + void onGlyphsLoaded(const FontStack& fontStack, const GlyphRange& glyphRange) override { + if (glyphsLoaded) glyphsLoaded(fontStack, glyphRange); + } + + void onGlyphsError(const FontStack& fontStack, const GlyphRange& glyphRange, std::exception_ptr error) override { + if (glyphsError) glyphsError(fontStack, glyphRange, error); + } + + std::function<void (const FontStack&, const GlyphRange&)> glyphsLoaded; + std::function<void (const FontStack&, const GlyphRange&, std::exception_ptr)> glyphsError; +}; + +class StubGlyphRequestor : public GlyphRequestor { +public: + void onGlyphsAvailable(GlyphMap glyphs) override { + if (glyphsAvailable) glyphsAvailable(std::move(glyphs)); + } + + std::function<void (GlyphMap)> glyphsAvailable; +}; + +class GlyphManagerTest { +public: + util::RunLoop loop; + StubFileSource fileSource; + StubGlyphManagerObserver observer; + StubGlyphRequestor requestor; + GlyphManager glyphManager { fileSource }; + + void run(const std::string& url, GlyphDependencies dependencies) { + // Squelch logging. + Log::setObserver(std::make_unique<Log::NullObserver>()); + + glyphManager.setURL(url); + glyphManager.setObserver(&observer); + glyphManager.getGlyphs(requestor, std::move(dependencies)); + + loop.run(); + } + + void end() { + loop.stop(); + } +}; + +TEST(GlyphManager, LoadingSuccess) { + GlyphManagerTest test; + + test.fileSource.glyphsResponse = [&] (const Resource& resource) { + EXPECT_EQ(Resource::Kind::Glyphs, resource.kind); + Response response; + response.data = std::make_shared<std::string>(util::read_file("test/fixtures/resources/glyphs.pbf")); + return response; + }; + + test.observer.glyphsError = [&] (const FontStack&, const GlyphRange&, std::exception_ptr) { + FAIL(); + test.end(); + }; + + test.observer.glyphsLoaded = [&] (const FontStack& fontStack, const GlyphRange& range) { + ASSERT_EQ(fontStack, FontStack {{"Test Stack"}}); + ASSERT_EQ(range, GlyphRange(0, 255)); + }; + + test.requestor.glyphsAvailable = [&] (GlyphMap glyphs) { + const auto& testPositions = glyphs.at({{"Test Stack"}}); + + ASSERT_EQ(testPositions.size(), 3u); + ASSERT_EQ(testPositions.count(u'a'), 1u); + ASSERT_EQ(testPositions.count(u'å'), 1u); + ASSERT_EQ(testPositions.count(u' '), 1u); + ASSERT_TRUE(bool(testPositions.at(u' '))); + + test.end(); + }; + + test.run( + "test/fixtures/resources/glyphs.pbf", + GlyphDependencies { + {{{"Test Stack"}}, {u'a', u'å', u' '}} + }); +} + +TEST(GlyphManager, LoadingFail) { + GlyphManagerTest test; + + test.fileSource.glyphsResponse = [&] (const Resource&) { + Response response; + response.error = std::make_unique<Response::Error>( + Response::Error::Reason::Other, + "Failed by the test case"); + return response; + }; + + test.observer.glyphsError = [&] (const FontStack& fontStack, const GlyphRange& glyphRange, std::exception_ptr error) { + EXPECT_EQ(fontStack, FontStack({"Test Stack"})); + EXPECT_EQ(glyphRange, GlyphRange(0, 255)); + + EXPECT_TRUE(error != nullptr); + EXPECT_EQ(util::toString(error), "Failed by the test case"); + + test.end(); + }; + + test.requestor.glyphsAvailable = [&] (GlyphMap) { + FAIL(); + test.end(); + }; + + test.run( + "test/fixtures/resources/glyphs.pbf", + GlyphDependencies { + {{{"Test Stack"}}, {u'a', u'å'}} + }); +} + +TEST(GlyphManager, LoadingCorrupted) { + GlyphManagerTest test; + + test.fileSource.glyphsResponse = [&] (const Resource&) { + Response response; + response.data = std::make_unique<std::string>("CORRUPTED"); + return response; + }; + + test.observer.glyphsError = [&] (const FontStack& fontStack, const GlyphRange& glyphRange, std::exception_ptr error) { + EXPECT_EQ(fontStack, FontStack({"Test Stack"})); + EXPECT_EQ(glyphRange, GlyphRange(0, 255)); + + EXPECT_TRUE(error != nullptr); + EXPECT_EQ(util::toString(error), "unknown pbf field type exception"); + + test.end(); + }; + + test.requestor.glyphsAvailable = [&] (GlyphMap) { + FAIL(); + test.end(); + }; + + test.run( + "test/fixtures/resources/glyphs.pbf", + GlyphDependencies { + {{{"Test Stack"}}, {u'a', u'å'}} + }); +} + +TEST(GlyphManager, LoadingCancel) { + GlyphManagerTest test; + + test.fileSource.glyphsResponse = [&] (const Resource&) { + test.end(); + return optional<Response>(); + }; + + test.observer.glyphsLoaded = [&] (const FontStack&, const GlyphRange&) { + FAIL() << "Should never be called"; + }; + + test.run( + "test/fixtures/resources/glyphs.pbf", + GlyphDependencies { + {{{"Test Stack"}}, {u'a', u'å'}} + }); +} + +TEST(GlyphManager, LoadingInvalid) { + GlyphManagerTest test; + + test.fileSource.glyphsResponse = [&] (const Resource& resource) { + EXPECT_EQ(Resource::Kind::Glyphs, resource.kind); + Response response; + response.data = std::make_shared<std::string>(util::read_file("test/fixtures/resources/fake_glyphs-0-255.pbf")); + return response; + }; + + test.observer.glyphsError = [&] (const FontStack&, const GlyphRange&, std::exception_ptr) { + FAIL(); + test.end(); + }; + + test.observer.glyphsLoaded = [&] (const FontStack& fontStack, const GlyphRange& range) { + ASSERT_EQ(fontStack, FontStack {{"Test Stack"}}); + ASSERT_EQ(range, GlyphRange(0, 255)); + }; + + test.requestor.glyphsAvailable = [&] (GlyphMap glyphs) { + const auto& testPositions = glyphs.at({{"Test Stack"}}); + + ASSERT_EQ(testPositions.size(), 2u); + ASSERT_FALSE(bool(testPositions.at(u'A'))); + ASSERT_TRUE(bool(testPositions.at(u'E'))); + + test.end(); + }; + + test.run( + "test/fixtures/resources/glyphs.pbf", + GlyphDependencies { + {{{"Test Stack"}}, {u'A', u'E'}} + }); +} |