#!/usr/bin/python

from BoostBuild import Tester
import os
import re

def expect_substring(actual,expected):
    return actual.find(expected) != -1

def match_re(actual,expected):
    return re.match(expected,actual,re.DOTALL) != None

# Test the v1 startup behavior
t = Tester(
    executable='jam'
    , match=match_re
    , boost_build_path=''
    , pass_toolset=0
    )

t.set_tree('startup')

if os.name == 'nt':
    t.run_build_system(
        status=1, stdout="You didn't set BOOST_ROOT", match = expect_substring)

t.run_build_system(
    extra_args = '-sBOOST_ROOT=.', status=1
    , stdout=r'''Unable to load Boost\.Build: could not find "boost-build\.jam".*BOOST_ROOT must be set'''
    )

os.chdir('no-bootstrap1')

t.run_build_system(
    extra_args = '-sBOOST_ROOT=.', status=1
    , stdout=r'''Unable to load Boost\.Build: could not find build system\.'''
    + r'''.*attempted to load the build system by invoking'''
    + r'''.*'boost-build ;'.*'''
    + r'''but we were unable to find "bootstrap\.jam"'''
    )

# Descend to a subdirectory which /doesn't/ contain a boost-build.jam
# file, and try again to test the crawl-up behavior.
os.chdir('subdir')

t.run_build_system(
    extra_args = '-sBOOST_ROOT=.', status=1
    , stdout=r'''Unable to load Boost\.Build: could not find build system\.'''
    + r'''.*attempted to load the build system by invoking'''
    + r'''.*'boost-build ;'.*'''
    + r'''but we were unable to find "bootstrap\.jam"'''
    )

os.chdir('../../no-bootstrap2')

t.run_build_system(
    extra_args = '-sBOOST_ROOT=.', status=1
    , stdout=r'''Unable to load Boost\.Build: could not find build system\.'''
    + r'''.*attempted to load the build system by invoking'''
    + r'''.*'boost-build \. ;'.*'''
    + r'''but we were unable to find "bootstrap\.jam"'''
    )

os.chdir('../no-bootstrap3')

t.run_build_system(
    extra_args = '-sBOOST_ROOT=.', status=1
    , stdout=r'''Unable to load Boost.Build
.*boost-build.jam" was found.*
However, it failed to call the "boost-build" rule'''
    )

# test bootstrapping based on BOOST_BUILD_PATH
os.chdir('../bootstrap-env')
t.run_build_system(
    extra_args = '-sBOOST_ROOT=../boost-root -sBOOST_BUILD_PATH=../boost-root/tools/build'
    , stdout = 'build system bootstrapped'
    )

# test bootstrapping based on an explicit path in boost-build.jam
os.chdir('../bootstrap-explicit')
t.run_build_system(
    extra_args = '-sBOOST_ROOT=../boost-root'
    , stdout = 'build system bootstrapped'
    )

# test bootstrapping based on BOOST_ROOT
os.chdir('../bootstrap-implicit')
t.run_build_system(
    extra_args = '-sBOOST_ROOT=../boost-root'
    , stdout = 'build system bootstrapped'
    )

t.cleanup()
