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stack/packages/mosaic/framework/tools/git/test-pr-edit.sh
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2026-08-12 21:08:34 -05:00

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#!/usr/bin/env bash
# Regression harness for secret-safe, identity-bound PR editing and explicit targets.
set -euo pipefail
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
WORK_DIR="${MOSAIC_TEST_WORK_DIR:-$PWD/.mosaic-test-work/pr-edit}"
REPO_DIR="$WORK_DIR/repo"; BIN_DIR="$WORK_DIR/bin"; HOME_DIR="$WORK_DIR/home"
XDG_DIR="$WORK_DIR/xdg"; LOG_FILE="$WORK_DIR/calls.log"
rm -rf "$WORK_DIR"; mkdir -p "$REPO_DIR" "$BIN_DIR" "$HOME_DIR" "$XDG_DIR/tea"
git -C "$REPO_DIR" init -q
git -C "$REPO_DIR" remote add origin https://git.uscllc.com/other/wrong-checkout.git
git -C "$REPO_DIR" config mosaic.gitIdentity ""
cat > "$XDG_DIR/tea/config.yml" <<'YAML'
logins:
- name: usc-coder3
url: https://git.uscllc.com
token: fixture-usc-token
- name: same-host-other
url: https://git.uscllc.com
token: fixture-other-token
- name: mosaic-coder3
url: https://git.mosaicstack.dev
token: fixture-mosaic-token
YAML
cat > "$BIN_DIR/tea" <<'SH'
#!/usr/bin/env bash
set -euo pipefail
[[ "$*" == "api --login usc-coder3 /user" ]] && { printf '{"login":"coder3"}\n'; exit 0; }
[[ "$*" == "api --login same-host-other /user" ]] && { printf '{"login":"other"}\n'; exit 0; }
[[ "$*" == "api --login mosaic-coder3 /user" ]] && { printf '{"login":"coder3"}\n'; exit 0; }
exit 1
SH
cat > "$BIN_DIR/curl" <<'SH'
#!/usr/bin/env bash
set -euo pipefail
printf 'curl' >> "$MOSAIC_TEST_LOG"; printf ' <%s>' "$@" >> "$MOSAIC_TEST_LOG"; printf '\n' >> "$MOSAIC_TEST_LOG"
[[ " $* " == *" -X PATCH "* ]] && printf '{"number":42,"draft":false}\n' || printf '{"name":"repo"}\n'
SH
cat > "$BIN_DIR/gh" <<'SH'
#!/usr/bin/env bash
set -euo pipefail
printf 'gh' >> "$MOSAIC_TEST_LOG"; printf ' <%s>' "$@" >> "$MOSAIC_TEST_LOG"; printf '\n' >> "$MOSAIC_TEST_LOG"
SH
chmod +x "$BIN_DIR/tea" "$BIN_DIR/curl" "$BIN_DIR/gh" "$SCRIPT_DIR/pr-edit.sh"
run_wrapper() {
(cd "$REPO_DIR"; PATH="$BIN_DIR:$PATH" HOME="$HOME_DIR" XDG_CONFIG_HOME="$XDG_DIR" \
MOSAIC_TEST_LOG="$LOG_FILE" "$SCRIPT_DIR/pr-edit.sh" "$@")
}
assert_no_secret() {
! grep -q 'fixture-.*-token' "$LOG_FILE" || { echo "Credential leaked into curl argv/log" >&2; exit 1; }
}
# The explicit target differs from CWD origin and must govern BOTH host and slug.
: > "$LOG_FILE"
# shellcheck disable=SC2016 # literal backticks prove argument-array body safety.
MOSAIC_GIT_IDENTITY=coder3 run_wrapper -n 42 --login mosaic-coder3 -r mosaicstack/stack \
-H git.mosaicstack.dev --title 'New title' --body 'Body with `literal` bytes' --base develop --draft >/dev/null
python3 - "$LOG_FILE" <<'PY'
import json, pathlib, sys
lines = pathlib.Path(sys.argv[1]).read_text().splitlines()
assert len(lines) == 2, lines
assert "https://git.mosaicstack.dev/api/v1/repos/mosaicstack/stack" in lines[0], lines
assert "https://git.mosaicstack.dev/api/v1/repos/mosaicstack/stack/pulls/42" in lines[1], lines
assert "--config" in lines[0] and "--config" in lines[1], lines
assert "Authorization:" not in "\n".join(lines), lines
payload = lines[1].split(" <-d> <", 1)[1].split("> <https://", 1)[0]
assert json.loads(payload) == {"title":"New title","body":"Body with `literal` bytes","base":"develop","draft":True}
PY
assert_no_secret
# Ready maps to false and still preflights before the write.
: > "$LOG_FILE"
MOSAIC_GIT_IDENTITY=coder3 run_wrapper -n 42 --login usc-coder3 -r USC/uconnect -H git.uscllc.com --ready >/dev/null
grep -q '"draft": false' "$LOG_FILE"; assert_no_secret
# Identity is mandatory; no ambient/first-host login can write.
: > "$LOG_FILE"
if run_wrapper -n 42 --login usc-coder3 --draft >/dev/null 2>&1; then echo "Unset identity wrote" >&2; exit 1; fi
[[ ! -s "$LOG_FILE" ]] || { echo "Unset identity reached curl" >&2; exit 1; }
# Explicit and ambient same-host wrong principals both refuse before preflight/write.
for mode in explicit ambient; do
: > "$LOG_FILE"
if [[ "$mode" == explicit ]]; then
cmd=(--login same-host-other)
else
cmd=(); export GITEA_LOGIN=same-host-other
fi
if MOSAIC_GIT_IDENTITY=coder3 run_wrapper -n 42 "${cmd[@]}" -r USC/uconnect -H git.uscllc.com --draft >/dev/null 2>&1; then
echo "$mode wrong identity wrote" >&2; exit 1
fi
unset GITEA_LOGIN
[[ ! -s "$LOG_FILE" ]] || { echo "$mode wrong identity reached curl" >&2; exit 1; }
done
# Set identity with no explicit/ambient login refuses rather than selecting first host login.
: > "$LOG_FILE"
if MOSAIC_GIT_IDENTITY=coder3 run_wrapper -n 42 -r USC/uconnect -H git.uscllc.com --draft >/dev/null 2>&1; then
echo "Missing login selected a principal" >&2; exit 1
fi
[[ ! -s "$LOG_FILE" ]] || { echo "Missing login reached curl" >&2; exit 1; }
# Cross-host credential fails before curl; explicit target preflight failure blocks PATCH.
: > "$LOG_FILE"
if MOSAIC_GIT_IDENTITY=coder3 run_wrapper -n 42 --login mosaic-coder3 -r USC/uconnect -H git.uscllc.com --draft >/dev/null 2>&1; then
echo "Cross-host login wrote" >&2; exit 1
fi
[[ ! -s "$LOG_FILE" ]] || { echo "Cross-host login reached curl" >&2; exit 1; }
if run_wrapper -n 42 --draft --ready >/dev/null 2>&1; then echo "Accepted conflicting modes" >&2; exit 1; fi
if run_wrapper -n 42 >/dev/null 2>&1; then echo "Accepted no-op edit" >&2; exit 1; fi
run_wrapper --help 2>&1 | grep -q '^Usage:'
# GitHub retains provider-native edit/readiness behavior.
git -C "$REPO_DIR" remote set-url origin https://github.com/acme/widgets.git
: > "$LOG_FILE"; run_wrapper -n 7 --title 'GitHub title' --draft >/dev/null
grep -q 'gh <pr> <edit> <7> <--title> <GitHub title>' "$LOG_FILE"
grep -q 'gh <pr> <ready> <7> <--undo>' "$LOG_FILE"
echo "PR edit regression harness passed"