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import unittest
import imath

import IECore
import IECoreUSD

class DataAlgoTest( unittest.TestCase ) :

    def testRoleBinding( self ) :
        
        self.assertEqual( IECoreUSD.DataAlgo.role( IECore.GeometricData.Interpretation.Point ), "Point" )
        self.assertEqual( IECoreUSD.DataAlgo.role( IECore.GeometricData.Interpretation.Vector ), "Vector" )
        self.assertEqual( IECoreUSD.DataAlgo.role( IECore.GeometricData.Interpretation.Normal ), "Normal" )
        self.assertEqual( IECoreUSD.DataAlgo.role( IECore.GeometricData.Interpretation.UV ), "TextureCoordinate" )
        self.assertEqual( IECoreUSD.DataAlgo.role( IECore.GeometricData.Interpretation.Color ), "Color" )
        self.assertEqual( IECoreUSD.DataAlgo.role( IECore.GeometricData.Interpretation.Rational ), "" )

    def testValueTypeNameBinding( self ) :

        v3 = IECore.V3fData( imath.V3f( 0.0 ) )
        v2 = IECore.V2fData( imath.V2f( 0.0 ) )

        v3.setInterpretation( IECore.GeometricData.Interpretation.Point )
        self.assertEqual( IECoreUSD.DataAlgo.valueTypeName( v3 ).type.typeName, "GfVec3f" )

        v3.setInterpretation( IECore.GeometricData.Interpretation.Vector )
        self.assertEqual( IECoreUSD.DataAlgo.valueTypeName( v3 ).type.typeName, "GfVec3f" )

        v3.setInterpretation( IECore.GeometricData.Interpretation.Normal )
        self.assertEqual( IECoreUSD.DataAlgo.valueTypeName( v3 ).type.typeName, "GfVec3f" )

        v2.setInterpretation( IECore.GeometricData.Interpretation.UV )
        self.assertEqual( IECoreUSD.DataAlgo.valueTypeName( v2 ).type.typeName, "GfVec2f" )

        self.assertEqual( IECoreUSD.DataAlgo.valueTypeName( IECore.Color3fData( imath.Color3f( 0.0 ) ) ).type.typeName, "GfVec3f" )

    def testToFromInternalName( self ) :

        a = "a-name(that-is-bad)"

        b = IECoreUSD.SceneCacheDataAlgo.toInternalName( a )
        self.assertEqual( b, "a_____name____that_____is_____bad___" )

        c = IECoreUSD.SceneCacheDataAlgo.fromInternalName( b )
        
        self.assertEqual( a , c )

    def testToFromInternalPath( self ) :

        a = ["a-path", "(that)", "(is)", "(bad)"]

        b = IECoreUSD.SceneCacheDataAlgo.toInternalPath( a )
        self.assertEqual(
            b,
            [
                "__IECOREUSD_ROOT",
                "a_____path",
                "____that___",
                "____is___",
                "____bad___",
            ]
        )

        c = IECoreUSD.SceneCacheDataAlgo.fromInternalPath( b )

        self.assertEqual( a, c )
        

if __name__ == "__main__":
    unittest.main()
