[Scons-users] How to reset the global state?

[Björn Pollex]

I am currently trying to write some unit-tests for a custom SCons tool. The
setup looks a bit like this:

from SCons.Environment import Environment

def test_something():
    env = Environment(tools=['my_custom_tool'])
    t, = env.MyCustomBuilder(args...)
    assert 'something' in t.get_build_env()

def test_something_else():
    env = Environment(tools=['my_custom_tool'])
    t, = env.MyCustomBuilder(args...)
    assert 'something_else' in t.get_build_env()

This is made up. The important part is, I try to build the same node
multiple times in different tests. When I run each of the tests alone, they
all pass. However, when I run the entire test module, SCons complains that
it has multiple ways to build the same target when it runs the second test
case.

So the question seems to be, how can I reset that global state of SCons
between test cases?

Regards,

    Björn Pollex
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