//---------------------------------------------------------------------------
// @function:
// CMDProviderTest::EresUnittest_Basic
//
// @doc:
// Test fetching existing metadata objects from a file-based provider
//
//---------------------------------------------------------------------------
GPOS_RESULT
CMDProviderTest::EresUnittest_Basic()
{
// create memory pool
CAutoMemoryPool amp;
IMemoryPool *pmp = amp.Pmp();
// test lookup with a file-based provider
CMDProviderMemory *pmdpFile = GPOS_NEW(pmp) CMDProviderMemory(pmp, szFileName);
pmdpFile->AddRef();
TestMDLookup(pmp, pmdpFile);
pmdpFile->Release();
// test lookup with a memory-based provider
CHAR *szDXL = CDXLUtils::SzRead(pmp, szFileName);
DrgPimdobj *pdrgpmdobj = CDXLUtils::PdrgpmdobjParseDXL(pmp, szDXL, NULL /*szXSDPath*/);
CMDProviderMemory *pmdpMemory = GPOS_NEW(pmp) CMDProviderMemory(pmp, pdrgpmdobj);
pmdpMemory->AddRef();
TestMDLookup(pmp, pmdpMemory);
GPOS_DELETE_ARRAY(szDXL);
pdrgpmdobj->Release();
pmdpMemory->Release();
return GPOS_OK;
}
//---------------------------------------------------------------------------
// @function:
// CParseHandlerTest::EresParseAndSerializeMetadata
//
// @doc:
// Verifies that after parsing the given DXL file containing metadata into
// a list of metadata objects, which should be serialized back to the same string.
//
//---------------------------------------------------------------------------
GPOS_RESULT
CParseHandlerTest::EresParseAndSerializeMetadata
(
IMemoryPool *pmp,
const CHAR *szDXLFileName,
BOOL fValidate
)
{
CWStringDynamic str(pmp);
COstreamString oss(&str);
// read DXL file
CHAR *szDXL = CDXLUtils::SzRead(pmp, szDXLFileName);
GPOS_CHECK_ABORT;
// parse the metadata objects into a dynamic array
const CHAR *szValidationPath = NULL;
if (fValidate)
{
szValidationPath = CTestUtils::m_szXSDPath;
}
DrgPimdobj *pdrgpmdobj = CDXLUtils::PdrgpmdobjParseDXL(pmp, szDXL, szValidationPath);
GPOS_ASSERT(NULL != pdrgpmdobj);
GPOS_CHECK_ABORT;
oss << "Serializing metadata objects" << std::endl;
CWStringDynamic *pstr = CDXLUtils::PstrSerializeMetadata(pmp, pdrgpmdobj, true /*fSerializeHeaderFooter*/, true /*fIndent*/);
GPOS_CHECK_ABORT;
CWStringDynamic dstrExpected(pmp);
dstrExpected.AppendFormat(GPOS_WSZ_LIT("%s"), szDXL);
if (!dstrExpected.FEquals(pstr))
{
GPOS_TRACE(pstr->Wsz());
GPOS_ASSERT(false);
}
pdrgpmdobj->Release();
GPOS_DELETE(pstr);
GPOS_DELETE_ARRAY(szDXL);
return GPOS_OK;
}
