58 lines
3.1 KiB
Markdown
58 lines
3.1 KiB
Markdown
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# Interoperability test
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This tests that different libp2p implementations can communicate with each other
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on each of their supported capabilites.
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Each version of libp2p is defined in `versions.ts`. There the version defines
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its capabilities along with the id of its container image.
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# Test spec
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The implementation is run in a container and is passed parameters via
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environment variables. The current parameters are:
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| Name | Description | Is Optional |
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| -------------------- | ------------------------------------------------------------ | --------------------------------------------------------------- |
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| transport | The transport to use | no |
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| muxer | The muxer to use | no, except when transport is one of quic, quic-v1, webtransport |
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| security | The security channel to use | no, except when transport is one of quic, quic-v1, webtransport |
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| is_dialer | Should you dial or listen | no |
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| ip | IP address to bind the listener to | yes, default to "0.0.0.0" |
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| redis_addr | A different address to connect to redis (default redis:6379) | yes, default to the `redis` host on port 6379 |
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| test_timeout_seconds | Control the timeout of test. | yes, default to 180 seconds. |
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The test should do two different things depending on if it's the dialer or
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listener.
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## Dialer
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The dialer should emit all diagnostic logs to `stderr`. Only the final JSON
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string result should be emitted to `stdout`.
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1. Connect to the Redis instance.
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2. Create a libp2p node as defined by the environment variables.
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3. Get the listener's address via Redis' `BLPOP` using the `listenerAddr` key.
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4. Record the current instant as `handshakeStartInstant`.
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5. Connect to the listener.
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6. Ping the listener, and record the round trip duration as `pingRTT`
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7. Record the duration since `handshakeStartInstant`. This is `handshakePlusOneRTT`.
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8. Print to `stdout` the JSON formatted string: `{"handshakePlusOneRTTMillis":
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handshakePlusOneRTT, "pingRTTMilllis": pingRTT}`. Durations should be printed in
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milliseconds as a float.
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9. Exit with a code zero.
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On error, the dialer should return a non-zero exit code.
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## Listener
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The listener should emit all diagnostic logs to `stderr`.
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1. Connect to the Redis instance.
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2. Create a libp2p node as defined by the environment variables.
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3. Publish the listener's address via Redis' `RPUSH` using the `listenerAddr`
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key.
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4. Sleep for the duration of `test_timeout_seconds`. The test runner will kill this
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process when the dialer finishes.
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5. If the timeout is hit, exit with a non-zero error code.
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On error, the listener should return a non-zero exit code.
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