Add test for globs on noop incremental builds

  grep -q "^# Module:.*my_little_binary_host$" out/soong/build.ninja && fail "Old module in output"

}

# Test that an incremental build with a glob doesn't rerun soong_build, and

# only regenerates the globs on the first but not the second incremental build.

function test_glob_noop_incremental() {

  setup

  mkdir -p a

  cat > a/Android.bp <<'EOF'

python_binary_host {

  name: "my_little_binary_host",

  srcs: ["*.py"],

}

EOF

  touch a/my_little_binary_host.py

  run_soong

  local ninja_mtime1=$(stat -c "%y" out/soong/build.ninja)

  local glob_deps_file=out/soong/.glob/a/__py.glob.d

  if [ -e "$glob_deps_file" ]; then

    fail "Glob deps file unexpectedly written on first build"

  fi

  run_soong

  local ninja_mtime2=$(stat -c "%y" out/soong/build.ninja)

  # There is an ineffiencency in glob that requires bpglob to rerun once for each glob to update

  # the entry in the .ninja_log.  It doesn't update the output file, but we can detect the rerun

  # by checking if the deps file was created.

  if [ ! -e "$glob_deps_file" ]; then

    fail "Glob deps file missing after second build"

  fi

  local glob_deps_mtime2=$(stat -c "%y" "$glob_deps_file")

  if [[ "$ninja_mtime1" != "$ninja_mtime2" ]]; then

    fail "Ninja file rewritten on null incremental build"

  fi

  run_soong

  local ninja_mtime3=$(stat -c "%y" out/soong/build.ninja)

  local glob_deps_mtime3=$(stat -c "%y" "$glob_deps_file")

  if [[ "$ninja_mtime2" != "$ninja_mtime3" ]]; then

    fail "Ninja file rewritten on null incremental build"

  fi

  # The bpglob commands should not rerun after the first incremental build.

  if [[ "$glob_deps_mtime2" != "$glob_deps_mtime3" ]]; then

    fail "Glob deps file rewritten on second null incremental build"

  fi

}

function test_add_file_to_glob() {

  setup

test_null_build

test_null_build_after_docs

test_soong_build_rebuilt_if_blueprint_changes

test_glob_noop_incremental

test_add_file_to_glob

test_add_android_bp

test_change_android_bp