test(git): add regression tests with a minimal headless harness

2026-05-06 17:32:36 +02:00
parent e00a282194
commit d63c2ae578
4 changed files with 537 additions and 0 deletions
@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+set -u
+
+usage() {
+    cat <<EOF
+Usage: ${0##*/} [--help] [TARGET ...]
+
+Run Neovim integration tests. Each test file is invoked via
+'nvim --headless --clean' with the project's runtimepath added.
+
+With no targets, runs every test/**/*_test.lua. Each TARGET may be a
+test file (test/git/util_test.lua) or a directory (test/git); a
+directory expands to all _test.lua files beneath it.
+
+Exit status is 0 if all tests passed, non-zero otherwise.
+EOF
+}
+
+if [[ ${1:-} == --help || ${1:-} == -h ]]; then
+    usage
+    exit 0
+fi
+
+cd "$(dirname "$0")/.." || exit 1
+ROOT=$PWD
+
+if [[ -t 1 ]]; then
+    red=$'\033[31m'
+    green=$'\033[32m'
+    reset=$'\033[0m'
+    export TEST_COLOR=1
+else
+    red=''
+    green=''
+    reset=''
+fi
+
+if [[ $# -gt 0 ]]; then
+    targets=("$@")
+else
+    mapfile -d '' -t targets < <(find test -type f -name '*_test.lua' -print0 | sort -z)
+fi
+
+exit_code=0
+total_passed=0
+total_failed=0
+for arg in "${targets[@]}"; do
+    if [[ -d "$arg" ]]; then
+        mapfile -d '' -t files < <(find "$arg" -type f -name '*_test.lua' -print0 | sort -z)
+    elif [[ -f "$arg" ]]; then
+        files=("$arg")
+    else
+        printf 'no such test target: %s\n' "$arg" >&2
+        exit_code=2
+        continue
+    fi
+
+    for f in "${files[@]}"; do
+        out=$(TEST_FILE_LABEL="$f" nvim --headless --clean \
+            -c "set rtp+=$ROOT" \
+            -c "lua package.path = package.path .. ';$ROOT/test/?.lua'" \
+            -c "luafile $f" \
+            -c "qa!" \
+            2>&1)
+        rc=$?
+        # Split the per-file results from any output.
+        results_line=$(printf '%s\n' "$out" | grep '^RESULTS ' | tail -1)
+        printf '%s\n' "$out" | grep -v '^RESULTS '
+        if [[ -n "$results_line" ]]; then
+            read -r _ p f_count <<<"$results_line"
+            total_passed=$((total_passed + p))
+            total_failed=$((total_failed + f_count))
+        fi
+        if [[ $rc -ne 0 ]]; then
+            exit_code=$rc
+        fi
+    done
+done
+
+printf '\n'
+if [[ $total_failed -gt 0 ]]; then
+    printf '%s%d passed%s, %s%d failed%s\n' \
+        "$green" "$total_passed" "$reset" \
+        "$red" "$total_failed" "$reset"
+else
+    printf '%s%d passed%s\n' "$green" "$total_passed" "$reset"
+fi
+
+exit "$exit_code"