Publish Stderr to allow testing help#130
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dnagir wants to merge 1 commit intojawher:masterfrom
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Publish Stderr to allow testing help#130dnagir wants to merge 1 commit intojawher:masterfrom dnagir:master
Stderr to allow testing help#130dnagir wants to merge 1 commit intojawher:masterfrom
dnagir:master
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It is useful to test the help output for the non-trivial CLIs and in the environment where an example outputs are desired. Before this, testing for help required resorting to `os/exec`. After this, the consumer test can swap the `cli.Stderr` for testing purposes while not affecting any other details of the `mow.cli`. The `stdOut` is not published as it is only used internally for testing and has no impact on consumers as `mow.cli` never prints to STDOUT. NOTE: [alternative implementation] exists but has a larger "blast radius". [alternative implementation]: #128
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It is useful to test the help output for the non-trivial CLIs and in the
environment where an example outputs are desired.
Before this, testing for help required resorting to
os/exec.After this, the consumer test can swap the
cli.Stderrfor testingpurposes while not affecting any other details of the
mow.cli.The
stdOutis not published as it is only used internally fortesting and has no impact on consumers as
mow.clinever prints toSTDOUT.
NOTE: alternative implementation exists but has a larger "blast radius".