assimp/test/unit/ImportExport/utExporter.cpp

/*
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Open Asset Import Library (assimp)
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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*/
#include "UnitTestPCH.h"

#include <assimp/Exporter.hpp>
#include <assimp/ProgressHandler.hpp>

using namespace Assimp;

class TestProgressHandler : public ProgressHandler {
public:
    TestProgressHandler() :
            ProgressHandler(),
            mPercentage(0.f) {
        // empty
    }

    virtual ~TestProgressHandler() {
        // empty
    }

    bool Update(float percentage = -1.f) override {
        mPercentage = percentage;
        return true;
    }
    float mPercentage;
};

class ExporterTest : public ::testing::Test {
    // empty
};

TEST_F(ExporterTest, ProgressHandlerTest) {
    Exporter exporter;
    TestProgressHandler *ph(new TestProgressHandler);
    exporter.SetProgressHandler(ph);
}

// Make sure all the registered exporters have useful descriptions
TEST_F(ExporterTest, ExporterIdTest) {
    Exporter exporter;
    size_t exportFormatCount = exporter.GetExportFormatCount();
    EXPECT_NE(0u, exportFormatCount) << "No registered exporters";
    typedef std::map<std::string, const aiExportFormatDesc *> ExportIdMap;
    ExportIdMap exporterMap;
    for (size_t i = 0; i < exportFormatCount; ++i) {
        // Check that the exporter description exists and makes sense
        const aiExportFormatDesc *desc = exporter.GetExportFormatDescription(i);
        ASSERT_NE(nullptr, desc) << "Missing aiExportFormatDesc at index " << i;
        EXPECT_NE(nullptr, desc->id) << "Null exporter ID at index " << i;
        EXPECT_STRNE("", desc->id) << "Empty exporter ID at index " << i;
        EXPECT_NE(nullptr, desc->description) << "Null exporter description at index " << i;
        EXPECT_STRNE("", desc->description) << "Empty exporter description at index " << i;
        EXPECT_NE(nullptr, desc->fileExtension) << "Null exporter file extension at index " << i;
        EXPECT_STRNE("", desc->fileExtension) << "Empty exporter file extension at index " << i;

        // Check the ID is unique
        std::string key(desc->id);
        std::pair<ExportIdMap::iterator, bool> result = exporterMap.emplace(key, desc);
        EXPECT_TRUE(result.second) << "Duplicate exported id: '" << key << "' " << desc->description << " *." << desc->fileExtension << " at index " << i;
    }

    const aiExportFormatDesc *desc = exporter.GetExportFormatDescription(exportFormatCount);
    EXPECT_EQ(nullptr, desc) << "More exporters than claimed";
}