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How to run test cases in local

For running intergration test cases (defined in ./fullstack-test, ./fullstack-test-dt, ./new_collation_fullstack), you should define a TiDB cluster with TiFlash node (1 PD, 1 TiKV, 1 TiDB, 1 TiFlash at least).

  1. Build your own TiFlash binary using debug profile:

    # In the TiFlash repository root:
    cmake --workflow --preset dev
  2. Install tiup

  3. Use tiup playground (recommanded) or tiup cluster to start a tidb cluster

    export TIDB_PORT=4000
    export TIFLASH_PORT=9000
    
    # Prepare a config file with `tcp_port` enabled
    cat << EOF > tiflash.toml
    tcp_port = ${TIFLASH_PORT}
    # If you're deploying a testing cluster where the disk is not exclusively dedicated to TiFlash,
    # it is necessary to set "capacity". Otherwise, PD will not add peers to TiFlash, making the
    # tiflash replica can not be available.
    capacity = 1000000000
    
    [logger]
    level = "debug"
    EOF
    
    # Start a tidb cluster with tiup playground
    tiup playground nightly --tiflash 1 --tiflash.binpath /path/to/build/tiflash --db.port ${TIDB_PORT} --tiflash.config ./tiflash.toml
  4. Run test cases

    # Run tests with `./run-test.sh`, for example
    tidb_port=${TIDB_PORT} storage_port=${TIFLASH_PORT} verbose=true ./run-test.sh fullstack-test/ddl

How to run test cases in delta-merge-test

For running mock test cases (defined in ./delta-merge-test), you should start a standalone tiflash that is not connected to tidb cluster

export TIFLASH_PORT=9000
./tiflash server -- --path /tmp/tiflash/data --tcp_port ${TIFLASH_PORT}
storage_port=${TIFLASH_PORT} verbose=true ./run-test.sh delta-merge-test