On Mon, Nov 12, 2012 at 9:13 AM, Edward K. Ream <[email protected]> wrote:
> The following Leo script, run from statictypechecking.leo, will run
> all files in the "test" directory::
There is an important detail that must be handled: we must completely
kill the old version of the unit test module. This can be done as
follows::
if module_fn in sys.modules:
del(sys.modules[module_fn])
The reason is subtle: imp.load_module is equivalent to imp.reload if
the module already exists, but imp.reload does *not* clear out
previous values in the module. This will cause problems if, say, you
change the name of a test class. Without the statement above, the
unittest module will see all the previous test class, and run the
tests twice!
Edward
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