bin/test_set_wifi_regulatory

#!/bin/sh
#
#
# Copyright (C) 2015 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# UDEV event helper script that sets the system's WiFi regulatory domain
# from VPD data.

# Assertion helpers.
assert_equal() {
  local actual="$1"
  local expected="$2"

  if [ "${actual}" != "${expected}" ]; then
    echo "FAIL: expected |${expected}|, got |${actual}|"
    exit 1
  fi
}

assert_regdomain_is() {
  local expected_code="$1"
  g_vpd_data="$(cat)"
  g_country_code=""

  . $(dirname $0)/set_wifi_regulatory
  assert_equal "${g_country_code}" "${expected_code}"
}

# Fake out the commands that are called by set_wifi_regulatory.
dump_vpd_log() {
  assert_equal "$1" "--stdout"
  echo "${g_vpd_data}"
}

iw() {
  assert_equal "$1" "reg"
  assert_equal "$2" "set"
  g_country_code="$3"
}

# Simplest input.
assert_regdomain_is US <<-"EOF"
	"region"="US"
EOF

# Properly handle lower-case region.
assert_regdomain_is US <<-"EOF"
	"region"="us"
EOF

# If region exists multiple times, take the first one.
assert_regdomain_is JP <<-"EOF"
	"region"="JP"
	"region"="US"
EOF

# Other fields can come before.
assert_regdomain_is US <<-"EOF"
	"initial_timezone"="America/Los_Angeles"
	"region"="us"
EOF

# Other fields can come after.
assert_regdomain_is US <<-"EOF"
	"region"="us"
	"initial_timezone"="America/Los_Angeles"
EOF

# Region may include additional data after country code (1/2).
assert_regdomain_is CA <<-"EOF"
	"region"="ca.hybrid"
EOF

# Region may include additional data after country code (2/2).
assert_regdomain_is BR <<-"EOF"
	"region"="br.abnt"
EOF

# Virtual regions work correctly (1/2).
assert_regdomain_is SE <<-"EOF"
	"region"="nordic"
EOF

# Virtual regions work correctly (2/2).
assert_regdomain_is "MX" <<-"EOF"
	"region"="latam-es-419"
EOF

# End quote is required.
assert_regdomain_is "" <<-"EOF"
	"region"="us
EOF

# Quotes are required.
assert_regdomain_is "" <<-"EOF"
	region=us
EOF

# No junk allowed at end.
assert_regdomain_is "" <<-"EOF"
	"region"="us"andmorestuff
EOF

# No junk allowed at beginning.
assert_regdomain_is "" <<-"EOF"
	junk"region"="us"
EOF

# Must match "region" exactly.
assert_regdomain_is "" <<-"EOF"
	"jregion"="us"
EOF

# Random shell meta-characters are not allowed.
assert_regdomain_is "" <<-"EOF"
	"region"="ca>>/var/log/junk"
EOF

echo "PASS"