diff options
Diffstat (limited to 'src/mongo/db/query/ce/ce_test_utils.h')
| -rw-r--r-- | src/mongo/db/query/ce/ce_test_utils.h | 37 |
1 files changed, 32 insertions, 5 deletions
diff --git a/src/mongo/db/query/ce/ce_test_utils.h b/src/mongo/db/query/ce/ce_test_utils.h index e6fc660e27b..4d21e834a4e 100644 --- a/src/mongo/db/query/ce/ce_test_utils.h +++ b/src/mongo/db/query/ce/ce_test_utils.h @@ -29,6 +29,9 @@ #pragma once +#include <cstddef> +#include <sys/types.h> + #include "mongo/db/query/optimizer/cascades/interfaces.h" namespace mongo { @@ -44,14 +47,35 @@ class CEInterface; namespace ce { +// Enable this flag to log all estimates, and let all tests pass. +//#define CE_TEST_LOG_MODE 1 + const double kMaxCEError = 0.01; /** - * A helpful macro for asserting that the CE of a $match predicate is approximately what we were + * Helpful macros for asserting that the CE of a $match predicate is approximately what we were * expecting. */ + +#ifndef CE_TEST_LOG_MODE #define ASSERT_MATCH_CE(ce, predicate, expectedCE) \ ASSERT_APPROX_EQUAL(expectedCE, ce.getCE(predicate), kMaxCEError) +#else +#define ASSERT_MATCH_CE(ce, predicate, expectedCE) \ + ce.getCE(predicate); \ + ASSERT_APPROX_EQUAL(1.0, 1.0, kMaxCEError) +#endif + +#ifndef CE_TEST_LOG_MODE +#define ASSERT_MATCH_CE_CARD(ce, predicate, expectedCE, collCard) \ + ce.setCollCard(collCard); \ + ASSERT_APPROX_EQUAL(expectedCE, ce.getCE(predicate), kMaxCEError) +#else +#define ASSERT_MATCH_CE_CARD(ce, predicate, expectedCE, collCard) \ + ce.setCollCard(collCard); \ + ce.getCE(predicate); \ + ASSERT_APPROX_EQUAL(1.0, 1.0, kMaxCEError) +#endif /** * A test utility class for helping verify the cardinality of CE transports on a given $match @@ -64,19 +88,22 @@ public: /** * Returns the estimated cardinality of a given 'matchPredicate'. */ - double getCE(const std::string& matchPredicate); + double getCE(const std::string& matchPredicate, size_t optimizationLevel = 1) const; + + void setCollCard(double card) { + _collCard = card; + } protected: /** * Subclasses need to override this method to initialize the transports they are testing. */ - virtual std::unique_ptr<optimizer::cascades::CEInterface> getCETransport( - OperationContext* opCtx) = 0; + virtual std::unique_ptr<optimizer::cascades::CEInterface> getCETransport() const = 0; std::string _collName; // The number of records in the collection we are testing. - double _numRecords; + double _collCard; }; } // namespace ce |