102 lines
4.4 KiB
Markdown
102 lines
4.4 KiB
Markdown
# Quickstart & Validation Guide: Midi Harbor
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**Feature**: 001-service-and-clients, first written as 001-midi-connectivity-manager | **Date**: 2026-09-20
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Runnable scenarios that prove the feature works end to end. Each maps to user stories and success
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criteria in the spec it validates. Scenarios are ordered so that each is useful on its own — you can
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stop after any one of them and have validated a real slice.
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---
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## Prerequisites
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**Both platforms**: Rust 1.96+ (edition 2024).
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**macOS**: Xcode command line tools. No further packages — CoreMIDI and CoreBluetooth ship with
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the OS. Bluetooth requires the binary to be inside a `.app` bundle with
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`NSBluetoothAlwaysUsageDescription`, and permission granted on first use (R-006).
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**Linux**: a C toolchain, `pkg-config`, and the development files for ALSA, D-Bus and Avahi, plus
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libclang for the Avahi bindings (Debian: `build-essential pkg-config libasound2-dev libdbus-1-dev
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libavahi-client-dev libclang-dev`). At run time, `avahi-daemon` for advertising sessions, BlueZ
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5.50+ for Bluetooth, and `systemd` for service installation; without it, run the daemon in the
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foreground.
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**For scenario 2 (network)**: a second machine on the same LAN running Midi Harbor, Apple's Network
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MIDI (macOS), rtpMIDI (Windows), or rtpmidid (Linux).
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**For scenario 5 (Bluetooth)**: a BLE MIDI peripheral, or a phone or tablet with a BLE MIDI app.
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### Build
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```bash
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cargo build --release # full build, GUI included
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cargo build --release --no-default-features # headless build — must not pull in libcosmic
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```
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The headless build succeeding on a machine with no graphics libraries is itself a test
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(SC-014a). Verify the dependency tree is genuinely absent, not merely unused:
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```bash
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cargo tree --no-default-features | grep -i cosmic && echo "FAIL: GUI deps leaked" || echo "OK"
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```
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---
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Scenarios 1 to 5 and 8 moved to the spec each validates: [1](../003-virtual-ports/quickstart.md),
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[2](../005-network-ports/quickstart.md), [3](../007-routing/quickstart.md),
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[4](../009-observability/quickstart.md), [5](../006-bluetooth-midi/quickstart.md) and
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[8](../002-configuration/quickstart.md). They keep their numbers, which the research log cites.
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---
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## Scenario 6 — Headless parity (US2 · SC-014a, SC-014b)
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On a machine with **no desktop environment**, using the `--no-default-features` build:
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```bash
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./midi-harbor # expect: help text explaining the GUI is not included
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./midi-harbor gui # expect: exit 2 with a clear message
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./midi-harbor service install --start
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./midi-harbor port create "Headless Bus"
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./midi-harbor route create "Headless Bus" "Studio"
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# reboot
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./midi-harbor status --json # expect: everything restored
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```
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**Pass criteria**: every command behaves identically to the full build (SC-014a), and the GUI was
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never built or run.
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**Coverage check (SC-014b)**: every IPC request kind reachable from the GUI is reachable from the
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CLI. This is asserted by an automated test, not by inspection.
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---
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## Scenario 7 — Client independence (SC-014)
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```bash
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midi-harbor session connect Studio <peer> # establish, confirm MIDI flowing
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# open and close the GUI 50 times while watching:
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midi-harbor events --follow
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```
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**Pass criteria**: zero connection state changes attributable to the GUI starting or stopping
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(FR-037). Any `EndpointStateChanged` event correlating with a GUI launch is a failure.
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---
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## Automated equivalents
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The scenarios above are manual acceptance tests. Their automated counterparts, which must run on a
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CI machine with no MIDI hardware, no peer, and no radio (Principle VI):
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| Scenario | Automated coverage |
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|---|---|
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| 1 | State machine tests over the in-memory platform fake; config round-trip |
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| 2 | Loss-injecting RTP-MIDI harness; journal property tests; recorded packet captures from Apple/rtpMIDI replayed against our parser |
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| 3 | Device arrival/removal events from the fake; route rebinding by fingerprint |
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| 4 | Event history assertions; `FailureReason` exhaustiveness |
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| 5 | BLE packet codec round-trip and timestamp-wraparound property tests |
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| 6 | `cargo build --no-default-features` in CI; GUI/CLI request-kind subset assertion |
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| 7 | Daemon state unchanged across simulated client connect/disconnect churn |
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| 8 | YAML round-trip, schema migration, and corrupt-file recovery tests; import and reload over the fake in `crates/daemon/tests/reconcile.rs` |
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