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  • Committer: CI Train Bot
  • Author(s): James Henstridge
  • Date: 2016-02-25 01:53:12 UTC
  • mfrom: (320.1.6 batch-updates)
  • Revision ID: ci-train-bot@canonical.com-20160225015312-d8d0kqt7qlqfhd2r
Add an API for batching multiple MediaStore updates into a single transaction.  Use this new API during the initial directory scan during start up.
Approved by: Michi Henning

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Lines of Context:
test/test_mediastore.cc
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    }
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}
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TEST_F(MediaStoreTest, transaction) {
 
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    MediaStore store(":memory:", MS_READ_WRITE);
 
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    // Run a transaction without committing: file not added.
 
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    {
 
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        MediaStoreTransaction txn = store.beginTransaction();
 
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        store.insert(MediaFileBuilder("/one.mp3").setType(AudioMedia));
 
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    }
 
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    EXPECT_EQ(0, store.size());
 
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    EXPECT_THROW(store.lookup("/one.mp3"), std::runtime_error);
 
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    // Commit two files in a transaction, then one file in a second
 
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    // transaction, and leave the last uncommitted.
 
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    {
 
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        MediaStoreTransaction txn = store.beginTransaction();
 
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        store.insert(MediaFileBuilder("/one.mp3").setType(AudioMedia));
 
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        store.insert(MediaFileBuilder("/two.mp3").setType(AudioMedia));
 
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        txn.commit();
 
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        store.insert(MediaFileBuilder("/three.mp3").setType(AudioMedia));
 
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        txn.commit();
 
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        store.insert(MediaFileBuilder("/four.mp3").setType(AudioMedia));
 
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    }
 
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    EXPECT_EQ(3, store.size());
 
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    store.lookup("/one.mp3");
 
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    store.lookup("/two.mp3");
 
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    store.lookup("/three.mp3");
 
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    EXPECT_THROW(store.lookup("/four.mp3"), std::runtime_error);
 
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}
 
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int main(int argc, char **argv) {
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    ::testing::InitGoogleTest(&argc, argv);
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    return RUN_ALL_TESTS();