rm formalistic unit test for good

Tests/UnitTests/Core/Sample/SampleProviderTest.cpp

-#include "Sample/SampleBuilderEngine/SampleProvider.h"
-#include "Sample/Multilayer/MultiLayer.h"
-#include "Sample/SampleBuilderEngine/ISampleBuilder.h"
-#include "Tests/GTestWrapper/google_test.h"
-#include <memory>
-
-class SampleProviderTest : public ::testing::Test {
-public:
-    //! Returns test multilayer.
-    static std::unique_ptr<MultiLayer> testMultiLayer(double length)
-    {
-        std::unique_ptr<MultiLayer> result(new MultiLayer);
-        result->setCrossCorrLength(length); // used to check following cloning
-        return result;
-    }
-
-    //! Test class playing the role of SampleContainer's parent
-    class TestSimulation : public INode {
-    public:
-        TestSimulation()
-        {
-            setName("TestSimulation");
-            registerChild(&m_provider);
-        }
-
-        void accept(INodeVisitor* visitor) const override { visitor->visit(this); }
-
-        std::vector<const INode*> getChildren() const override { return m_provider.getChildren(); }
-
-        SampleProvider m_provider;
-    };
-
-    //! Test sample builder
-    class TestBuilder : public ISampleBuilder {
-    public:
-        explicit TestBuilder(double length = 42.0) : m_length(length) { setName("TestBuilder"); }
-
-        MultiLayer* buildSample() const { return testMultiLayer(m_length).release(); }
-        double m_length;
-    };
-};
-
-//! Test initial state,  assignment operator.
-
-TEST_F(SampleProviderTest, initialState)
-{
-    SampleProvider provider;
-    EXPECT_EQ(provider.sample(), nullptr);
-    EXPECT_EQ(provider.getChildren().size(), 0u);
-
-    // setting the sample
-    provider.setSample(*SampleProviderTest::testMultiLayer(42.0));
-    EXPECT_EQ(provider.sample()->crossCorrLength(), 42.0);
-    EXPECT_EQ(provider.sample()->parent(), nullptr);
-}
-
-//! Testing sample builder assignment.
-
-TEST_F(SampleProviderTest, sampleBuilder)
-{
-    // Setting sample first
-    SampleProvider provider;
-    provider.setSample(*SampleProviderTest::testMultiLayer(42.0));
-
-    // Setting sample builder, original sample should gone.
-    std::shared_ptr<ISampleBuilder> builder(new SampleProviderTest::TestBuilder(33.0));
-    EXPECT_EQ(builder.use_count(), 1);
-    provider.setBuilder(builder);
-    EXPECT_EQ(builder.use_count(), 2);
-    EXPECT_EQ(provider.sample(), nullptr);
-
-    // Updating sample and checking if it is generated by sample builder
-    provider.updateSample();
-    EXPECT_EQ(provider.sample()->crossCorrLength(), 33.0);
-}
-
-//! Test parentship of container and sample in simulation context.
-
-TEST_F(SampleProviderTest, sampleInSimulationContext)
-{
-    SampleProviderTest::TestSimulation sim;
-    SampleProvider& provider = sim.m_provider;
-    provider.setSample(*SampleProviderTest::testMultiLayer(42.0));
-
-    // parent of container and parent of sample should be the same
-    EXPECT_EQ(provider.parent(), &sim);
-    EXPECT_EQ(provider.sample()->parent(), &sim);
-
-    // children of container
-    ASSERT_EQ(provider.getChildren().size(), 1u);
-    EXPECT_EQ(provider.getChildren()[0], provider.sample());
-}
-
-//! Test parentship of container and builder in simulation context.
-
-TEST_F(SampleProviderTest, builderInSimulationContext)
-{
-    SampleProviderTest::TestSimulation sim;
-    SampleProvider& provider = sim.m_provider;
-
-    std::shared_ptr<ISampleBuilder> builder(new SampleProviderTest::TestBuilder(33.0));
-    provider.setBuilder(builder);
-    provider.updateSample();
-
-    // provider's sample should not have neither parent nor children
-    EXPECT_EQ(provider.sample()->parent(), nullptr);
-    ASSERT_EQ(provider.getChildren().size(), 1u);
-}