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Support for interactive programs #14

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MarcDiethelm opened this issue Mar 31, 2014 · 7 comments
Open

Support for interactive programs #14

MarcDiethelm opened this issue Mar 31, 2014 · 7 comments

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@MarcDiethelm
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Unfortunately nexpect seems to be incompatible with interactive cli programs that require user input, e.g. Yeoman. (sendline is not an option here, as I don't know what choices the user will make).

Could this possibly be implemented with Readline?
Also: somewhat relevant SO.
@julianlam
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Isn't this the entire point of the expect (and by extension, nexpect) program, to run scripts that expect user input, and provide it on demand?

Ironically, the only reason why I'm here is because I can't get my nexpect script to execute against an interactive program...

@akwangho
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It does not work for me as well in ssh scenario.
The "Password:" prompt can't use consumed after the struggle for several hours.

@boustanihani
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@akwangho I have the same issue, did you find any solution?

Related: http://stackoverflow.com/questions/24750131/node-js-wait-function-in-nexpect-module-does-not-working

@MarcDiethelm
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I ended up rolling my own package to solve this problem. https://github.com/MarcDiethelm/superspawn
Works nicely for me.

@boustanihani
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Thanks.

Does your package provide something similar to wait() ?
https://github.com/nodejitsu/nexpect#function-wait-expectation-callback

@MarcDiethelm
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Let's not spam this issue with questions concerning a foreign module. If you don't mind please open an issue in my project and we can discuss it there.

@boustanihani
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you're right :)

@gcochard gcochard mentioned this issue May 4, 2015
Closed
gcochard added a commit to gcochard/nexpect that referenced this issue May 4, 2015
@gcochard
Updating nexpect to emit events. Fixes nodejitsu#14
50b74bd 
This allows nexpect to work with conditional branching. It will
emit 'wait' right now, and the data will be the line of output
which matches the expected output. From there, you can re-test the data
and call sendline, expect, or wait again. Note that the user MUST
call wait BEFORE the end of the stackframe on which the child was spawned.
gcochard added a commit to gcochard/nexpect that referenced this issue May 4, 2015
@gcochard
Updating nexpect to emit events. Fixes nodejitsu#14
7063f8a 
This allows nexpect to work with conditional branching. It will
emit 'wait' right now, and the data will be the line of output
which matches the expected output. From there, you can re-test the data
and call sendline, expect, or wait again. Note that the user MUST
call wait BEFORE the end of the stackframe on which the child was spawned.
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4 participants
@MarcDiethelm @julianlam @boustanihani @akwangho