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synced 2026-11-10 20:07:04 +01:00
Krzysztof kuhy Rudnicki
cce6e2c048
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kuhy: "I do not want it to work like this, I want it to just work normally." PS4 mode (046D:C260) cannot be supported on this PC (no kernel driver, SDL lg4ff has no c260 either, so FFB is dead there too) and the selector is physical. Keep the mode detection so the journal and --status name PS4 mode instead of "not found"; drop the desktop notification and the 5-minute Restart loop. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01NVfC2T6DyvCFqse9A99zef
114 lines
3.3 KiB
Bash
Executable File
114 lines
3.3 KiB
Bash
Executable File
#!/usr/bin/env bats
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# Tests for fixes/g29_wheel_mode.sh and the --ensure / --status paths of
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# fixes/fix_g29_shifter.sh, against a fake sysfs tree.
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#
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# Requires: bats (extra/bats). Run with:
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# bats linux_configuration/tests/test_fix_g29_shifter.bats
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#
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# The BPF build/attach itself needs the real wheel and root, so it is not
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# covered here. What IS covered is the logic that failed silently on the
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# 2026-09-15 and 2026-09-17 boots: telling "wheel in PS4 mode" apart from
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# "no wheel", and turning that into an exit code and a message naming the mode.
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setup() {
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REPO_DIR="$(cd -- "$(dirname -- "$BATS_TEST_FILENAME")/.." && pwd)"
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SCRIPT="$REPO_DIR/fixes/fix_g29_shifter.sh"
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export G29_HID_SYSFS="$BATS_TEST_TMPDIR/hid"
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mkdir -p "$G29_HID_SYSFS"
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# sudo stub: udev-hid-bpf list-loaded prints nothing, i.e. not attached.
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mkdir -p "$BATS_TEST_TMPDIR/bin"
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cat >"$BATS_TEST_TMPDIR/bin/sudo" <<'STUB'
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#!/bin/bash
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exit 0
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STUB
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chmod +x "$BATS_TEST_TMPDIR/bin/sudo"
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export PATH="$BATS_TEST_TMPDIR/bin:$PATH"
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# shellcheck source=/dev/null
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source "$REPO_DIR/fixes/g29_wheel_mode.sh"
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}
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# $1 = PID (e.g. 0003:046D:C24F), $2 = instance, $3 = "desc" to give it a
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# report descriptor. The wheel enumerates two interfaces; only one has one.
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fake_hid() {
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local dir="$G29_HID_SYSFS/$1.$2"
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mkdir -p "$dir"
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if [[ "${3:-}" == desc ]]; then
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printf 'x' >"$dir/report_descriptor"
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else
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: >"$dir/report_descriptor"
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fi
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}
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# --- g29_wheel_mode --------------------------------------------------------
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@test "mode: empty sysfs is absent" {
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[ "$(g29_wheel_mode)" = absent ]
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}
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@test "mode: native C24F with a descriptor" {
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fake_hid 0003:046D:C24F 0008
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fake_hid 0003:046D:C24F 0009 desc
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[ "$(g29_wheel_mode)" = native ]
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[ "$(g29_sysfs_device "$G29_PID_NATIVE")" = "$G29_HID_SYSFS/0003:046D:C24F.0009" ]
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}
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@test "mode: an interface with an empty descriptor does not count" {
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fake_hid 0003:046D:C24F 0001
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[ "$(g29_wheel_mode)" = absent ]
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}
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@test "mode: C260 is ps4 (the 2026-09-17 boot)" {
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fake_hid 0003:046D:C260 0001 desc
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[ "$(g29_wheel_mode)" = ps4 ]
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}
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@test "mode: C294 is compat" {
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fake_hid 0003:046D:C294 0008 desc
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[ "$(g29_wheel_mode)" = compat ]
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}
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@test "mode: native wins when a stale C294 node is also present" {
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fake_hid 0003:046D:C294 0008 desc
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fake_hid 0003:046D:C24F 0009 desc
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[ "$(g29_wheel_mode)" = native ]
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}
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@test "explanation: ps4 names the selector and the PID" {
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run g29_mode_explanation ps4
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[[ "$output" == *"PS4 mode"* && "$output" == *"C260"* && "$output" == *"PS3"* ]]
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}
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# --- fix_g29_shifter.sh --ensure / --status --------------------------------
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@test "ensure: no wheel exits 0" {
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run "$SCRIPT" --ensure
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[ "$status" -eq 0 ]
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[[ "$output" == *"no G29 on the HID bus"* ]]
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}
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@test "ensure: PS4 mode exits 1 and names the mode" {
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fake_hid 0003:046D:C260 0001 desc
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run "$SCRIPT" --ensure
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[ "$status" -eq 1 ]
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[[ "$output" == *"PS4 mode"* ]]
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}
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@test "ensure: already attached is a no-op even in PS4 mode" {
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fake_hid 0003:046D:C260 0001 desc
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cat >"$BATS_TEST_TMPDIR/bin/sudo" <<'STUB'
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#!/bin/bash
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[[ "$*" == *list-loaded* ]] && echo g29_shifter_bpf
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STUB
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run "$SCRIPT" --ensure
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[ "$status" -eq 0 ]
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[[ "$output" == *"already attached"* ]]
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}
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@test "status: reports the wheel mode first" {
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fake_hid 0003:046D:C260 0001 desc
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run "$SCRIPT" --status
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[ "$status" -eq 0 ]
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[[ "$output" == *"wheel mode: ps4"* ]]
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[[ "$output" != *"device:"* ]]
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}
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