#!/usr/bin/python
# Copyright David Abrahams 2005. Distributed under the Boost
# Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

# This tests the build step timing facilities.

import BoostBuild
import re

t = BoostBuild.Tester(pass_toolset=0)

t.write("file.jam", """
rule time
{
    DEPENDS $(<) : $(>) ;
    __TIMING_RULE__ on $(>) = record_time $(<) ;
    DEPENDS all : $(<) ;
}

actions time
{
    echo $(>) user: $(__USER_TIME__) system: $(__SYSTEM_TIME__)
    echo timed from $(>) >> $(<)
}

rule record_time ( target : source : start end user system )
{
    __USER_TIME__ on $(target) = $(user) ;
    __SYSTEM_TIME__ on $(target) = $(system) ;
}

rule make
{
    DEPENDS $(<) : $(>) ;
}

actions make
{
    echo made from $(>) >> $(<)
}


time foo : bar ;
make bar : baz ;
""")

t.write("baz", "nothing\n")

expected_output = """\.\.\.found 4 targets\.\.\.
\.\.\.updating 2 targets\.\.\.
make bar
time foo
bar +user: [0-9\.]+ +system: +[0-9\.]+ *
\.\.\.updated 2 targets\.\.\.$
"""

t.run_build_system("-ffile.jam -d+1", stdout=expected_output,
    match=lambda actual, expected: re.search(expected, actual, re.DOTALL))
t.expect_addition("foo")
t.expect_addition("bar")
t.expect_nothing_more()

t.cleanup()