#!/usr/bin/env python
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Test the --debug=stacktrace option.
"""

import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """\
def kfile_scan(node, env, target):
    raise Exception("kfile_scan error")

kscan = Scanner(name = 'kfile',
                function = kfile_scan,
                skeys = ['.k'])

env = Environment()
env.Append(SCANNERS = [kscan])

env.Command('foo', 'foo.k', Copy('$TARGET', '$SOURCE'))
""")

test.write('foo.k', "foo.k\n")

test.run(status = 2, stderr = "scons: *** [foo] Exception : kfile_scan error\n")

test.run(arguments = "--debug=stacktrace",
         status = 2,
         stderr = None)

lines = [
    "scons: *** [foo] Exception : kfile_scan error",
    "scons: internal stack trace:",
    'raise Exception("kfile_scan error")',
]

test.must_contain_all_lines(test.stderr(), lines)



# Test that --debug=stacktrace works for UserError exceptions,
# which are handled by different code than other exceptions.

test.write('SConstruct', """\
import SCons.Errors
raise SCons.Errors.UserError("explicit UserError!")
""")

test.run(arguments = '--debug=stacktrace',
         status = 2,
         stderr = None)

user_error_lines = [
    'UserError: explicit UserError!',
    'scons: *** explicit UserError!',
]

# The "(most recent call last)" message is used by more recent Python
# versions than the "(innermost last)" message, so that's the one
# we report if neither matches.
traceback_lines = [
    "Traceback (most recent call last)",
    "Traceback (innermost last)",
]

test.must_contain_all_lines(test.stderr(), user_error_lines)
test.must_contain_any_line(test.stderr(), traceback_lines)

# Test that full path names to SConscript files show up in stack traces.

test.write('SConstruct', """\
1/0
""")

test.run(arguments = '--debug=stacktrace',
         status = 2,
         stderr = None)

lines = [
    '  File "%s", line 1:' % test.workpath('SConstruct'),
]

test.must_contain_all_lines(test.stderr(), lines)



test.pass_test()

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