Rust: first running tests

rust/tools/BUILD.bazel

@@ -2,8 +2,6 @@ load("//misc/bazel:pkg.bzl", "codeql_pkg_files")
 
 codeql_pkg_files(
     name = "tools",
-    exes = [
-        "index.sh",
-    ],
+    exes = glob(["*.sh"]),
     visibility = ["//rust:__pkg__"],
 )

rust/tools/index-files.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+set -eu
+
+exec "$CODEQL_EXTRACTOR_RUST_ROOT/tools/$CODEQL_PLATFORM/extractor" --inputs-file="$1"

rust/tools/index.sh

@@ -1,17 +0,0 @@
-#!/bin/bash
-# TODO move this to rust code
-
-inputs=($(find -name Cargo.toml))
-
-if [ "${#inputs}" -eq 0 ]; then
-  inputs=($(find -name rust-project.json))
-  if [ "${#inputs}" -eq 0 ]; then
-    inputs=($(find -name '*.rs'))
-    if [ "${#inputs}" -eq 0 ]; then
-      echo "no source files found" >&2
-      exit 1
-    fi
-  fi
-fi
-
-exec "$CODEQL_EXTRACTOR_RUST_ROOT/tools/$CODEQL_PLATFORM/extractor" "${inputs[@]}"

rust/tools/qltest.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+mkdir -p "$CODEQL_EXTRACTOR_RUST_TRAP_DIR"
+
+export RUST_BACKTRACE=full
+
+QLTEST_LOG="$CODEQL_EXTRACTOR_RUST_LOG_DIR"/qltest.log
+
+EXTRACTOR="$CODEQL_EXTRACTOR_RUST_ROOT/tools/$CODEQL_PLATFORM/extractor"
+for src in *.rs; do
+  echo -e "[package]\nname = \"test\"\n[lib]\npath=\"$src\"\n" > Cargo.toml
+  env=()
+  opts=("$src")
+  opts+=($(sed -n '1 s=//codeql-extractor-options:==p' $src))
+  expected_status=$(sed -n 's=//codeql-extractor-expected-status:[[:space:]]*==p' $src)
+  expected_status=${expected_status:-0}
+  env+=($(sed -n '1 s=//codeql-extractor-env:==p' $src))
+  echo >> $QLTEST_LOG
+  echo "env ${env[@]} $EXTRACTOR ${opts[@]}" >> "$QLTEST_LOG"
+  env "${env[@]}" "$EXTRACTOR" "${opts[@]}" >> $QLTEST_LOG 2>&1
+  actual_status=$?
+  if [[ $actual_status != $expected_status ]]; then
+    FAILED=1
+  fi
+done
+
+rm -rf Cargo.*
+
+if [ -n "$FAILED" ]; then
+  cat "$QLTEST_LOG" # Show compiler errors on extraction failure
+  exit 1
+fi