#!/usr/bin/env python
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"""
Verify basic operation of the --interactive command line option to build
a target, rebuild it when the input changes, and not rebuild it when
the input doesn't change.

Also tests that "scons" can be used as a synonym for "build".
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """\
Command('foo.out', 'foo.in', Copy('$TARGET', '$SOURCE'))
Command('1', [], Touch('$TARGET'))
Command('2', [], Touch('$TARGET'))
""")

test.write('foo.in', "foo.in 1\n")



scons = test.start(arguments = '-Q --interactive')

scons.send("build foo.out 1\n")

test.wait_for(test.workpath('1'))

test.must_match(test.workpath('foo.out'), "foo.in 1\n")



test.write('foo.in', "foo.in 2\n")

# Verify that "scons" can be used as a synonmy for the "build" command.
scons.send("scons foo.out 2\n")

test.wait_for(test.workpath('2'))

test.must_match(test.workpath('foo.out'), "foo.in 2\n")



scons.send("build foo.out\n")

expect_stdout = """\
scons>>> Copy("foo.out", "foo.in")
Touch("1")
scons>>> Copy("foo.out", "foo.in")
Touch("2")
scons>>> scons: `foo.out' is up to date.
scons>>> 
"""

test.finish(scons, stdout = expect_stdout)



test.pass_test()