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Diffstat (limited to 'lm/builder/corpus_count_test.cc')
-rw-r--r-- | lm/builder/corpus_count_test.cc | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/lm/builder/corpus_count_test.cc b/lm/builder/corpus_count_test.cc new file mode 100644 index 000000000..8d53ca9d1 --- /dev/null +++ b/lm/builder/corpus_count_test.cc @@ -0,0 +1,76 @@ +#include "lm/builder/corpus_count.hh" + +#include "lm/builder/ngram.hh" +#include "lm/builder/ngram_stream.hh" + +#include "util/file.hh" +#include "util/file_piece.hh" +#include "util/tokenize_piece.hh" +#include "util/stream/chain.hh" +#include "util/stream/stream.hh" + +#define BOOST_TEST_MODULE CorpusCountTest +#include <boost/test/unit_test.hpp> + +namespace lm { namespace builder { namespace { + +#define Check(str, count) { \ + BOOST_REQUIRE(stream); \ + w = stream->begin(); \ + for (util::TokenIter<util::AnyCharacter, true> t(str, " "); t; ++t, ++w) { \ + BOOST_CHECK_EQUAL(*t, v[*w]); \ + } \ + BOOST_CHECK_EQUAL((uint64_t)count, stream->Count()); \ + ++stream; \ +} + +BOOST_AUTO_TEST_CASE(Short) { + util::scoped_fd input_file(util::MakeTemp("corpus_count_test_temp")); + const char input[] = "looking on a little more loin\non a little more loin\non foo little more loin\nbar\n\n"; + // Blocks of 10 are + // looking on a little more loin </s> on a little[duplicate] more[duplicate] loin[duplicate] </s>[duplicate] on[duplicate] foo + // little more loin </s> bar </s> </s> + + util::WriteOrThrow(input_file.get(), input, sizeof(input) - 1); + util::FilePiece input_piece(input_file.release(), "temp file"); + + util::stream::ChainConfig config; + config.entry_size = NGram::TotalSize(3); + config.total_memory = config.entry_size * 20; + config.block_count = 2; + + util::scoped_fd vocab(util::MakeTemp("corpus_count_test_vocab")); + + util::stream::Chain chain(config); + NGramStream stream; + uint64_t token_count; + WordIndex type_count; + CorpusCount counter(input_piece, vocab.get(), token_count, type_count, chain.BlockSize() / chain.EntrySize()); + chain >> boost::ref(counter) >> stream >> util::stream::kRecycle; + + const char *v[] = {"<unk>", "<s>", "</s>", "looking", "on", "a", "little", "more", "loin", "foo", "bar"}; + + WordIndex *w; + + Check("<s> <s> looking", 1); + Check("<s> looking on", 1); + Check("looking on a", 1); + Check("on a little", 2); + Check("a little more", 2); + Check("little more loin", 2); + Check("more loin </s>", 2); + Check("<s> <s> on", 2); + Check("<s> on a", 1); + Check("<s> on foo", 1); + Check("on foo little", 1); + Check("foo little more", 1); + Check("little more loin", 1); + Check("more loin </s>", 1); + Check("<s> <s> bar", 1); + Check("<s> bar </s>", 1); + Check("<s> <s> </s>", 1); + BOOST_CHECK(!stream); + BOOST_CHECK_EQUAL(sizeof(v) / sizeof(const char*), type_count); +} + +}}} // namespaces |