1 files changed, 58 insertions, 0 deletions
diff --git a/searchlib/src/tests/document_store/document_store_test.cpp b/searchlib/src/tests/document_store/document_store_test.cpp
new file mode 100644
index 00000000000..e6a3d9b5c3d
--- /dev/null
+++ b/searchlib/src/tests/document_store/document_store_test.cpp
@@ -0,0 +1,58 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+#include <vespa/vespalib/testkit/test_kit.h>
+#include <vespa/searchlib/docstore/documentstore.h>
+#include <vespa/searchlib/docstore/cachestats.h>
+#include <vespa/document/repo/documenttyperepo.h>
+
+using namespace search;
+
+document::DocumentTypeRepo repo;
+
+struct NullDataStore : IDataStore {
+    NullDataStore() : IDataStore("") {}
+    ssize_t read(uint32_t, vespalib::DataBuffer &) const override { return 0; }
+    void read(const LidVector &, IBufferVisitor &) const override { }
+    void write(uint64_t, uint32_t, const void *, size_t) override {}
+    void remove(uint64_t, uint32_t) override {}
+    void flush(uint64_t) override {}
+    
+    uint64_t initFlush(uint64_t syncToken) override { return syncToken; }
+
+    size_t memoryUsed() const override { return 0; }
+    size_t memoryMeta() const override { return 0; }
+    size_t getDiskFootprint() const override { return 0; }
+    size_t getDiskBloat() const override { return 0; }
+    uint64_t lastSyncToken() const override { return 0; }
+    uint64_t tentativeLastSyncToken() const override { return 0; }
+    fastos::TimeStamp getLastFlushTime() const override { return fastos::TimeStamp(); }
+    void accept(IDataStoreVisitor &, IDataStoreVisitorProgress &, bool) override { }
+    double getVisitCost() const override { return 1.0; }
+    virtual DataStoreStorageStats getStorageStats() const override {
+        return DataStoreStorageStats(0, 0, 0.0, 0, 0);
+    }
+    virtual std::vector<DataStoreFileChunkStats>
+    getFileChunkStats() const override {
+        std::vector<DataStoreFileChunkStats> result;
+        return result;
+    }
+};
+
+TEST_FFF("require that uncache docstore lookups are counted",
+         DocumentStore::Config(document::CompressionConfig::NONE, 0, 0),
+         NullDataStore(), DocumentStore(f1, f2))
+{
+    EXPECT_EQUAL(0u, f3.getCacheStats().misses);
+    f3.read(1, repo);
+    EXPECT_EQUAL(1u, f3.getCacheStats().misses);
+}
+
+TEST_FFF("require that cached docstore lookups are counted",
+         DocumentStore::Config(document::CompressionConfig::NONE, 100000, 100),
+         NullDataStore(), DocumentStore(f1, f2))
+{
+    EXPECT_EQUAL(0u, f3.getCacheStats().misses);
+    f3.read(1, repo);
+    EXPECT_EQUAL(1u, f3.getCacheStats().misses);
+}
+
+TEST_MAIN() { TEST_RUN_ALL(); }