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Groups > linux.debian.user > #261569 > unrolled thread

xclip - how to use without a graphics display for testing on Github workflows

Started byTom Browder <tom.browder@gmail.com>
First post2023-09-10 01:40 +0200
Last post2023-09-11 12:30 +0200
Articles 7 — 3 participants

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  xclip - how to use without a graphics display for testing on Github workflows Tom Browder <tom.browder@gmail.com> - 2023-09-10 01:40 +0200
    Re: xclip - how to use without a graphics display for testing on  Github workflows Greg Wooledge <greg@wooledge.org> - 2023-09-10 01:50 +0200
      Re: xclip - how to use without a graphics display for testing on  Github workflows Tom Browder <tom.browder@gmail.com> - 2023-09-10 02:50 +0200
    Re: xclip - how to use without a graphics display for testing on  Github workflows Max Nikulin <manikulin@gmail.com> - 2023-09-10 04:10 +0200
      Re: xclip - how to use without a graphics display for testing on  Github workflows Tom Browder <tom.browder@gmail.com> - 2023-09-10 11:50 +0200
        Re: xclip - how to use without a graphics display for testing on  Github workflows Max Nikulin <manikulin@gmail.com> - 2023-09-10 18:50 +0200
          Re: xclip - how to use without a graphics display for testing on  Github workflows Tom Browder <tom.browder@gmail.com> - 2023-09-11 12:30 +0200

#261569 — xclip - how to use without a graphics display for testing on Github workflows

FromTom Browder <tom.browder@gmail.com>
Date2023-09-10 01:40 +0200
Subjectxclip - how to use without a graphics display for testing on Github workflows
Message-ID<HcfIt-7TXS-7@gated-at.bofh.it>

[Multipart message — attachments visible in raw view] — view raw

We have a Raku module that uses "xclip" during use on a computer with a
monitor.  We need to test it with Github workflows which does not have a
graphics device.

Is there any "xclip" option to allow for testing without a graphics devivce
without throwing an error? Or any suggestion for a work around?

Thanks.

-Tom

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#261570 — Re: xclip - how to use without a graphics display for testing on Github workflows

FromGreg Wooledge <greg@wooledge.org>
Date2023-09-10 01:50 +0200
SubjectRe: xclip - how to use without a graphics display for testing on Github workflows
Message-ID<HcfS9-7U18-5@gated-at.bofh.it>
In reply to#261569
On Sat, Sep 09, 2023 at 06:36:56PM -0500, Tom Browder wrote:
> Is there any "xclip" option to allow for testing without a graphics devivce
> without throwing an error? Or any suggestion for a work around?

Look at the xvfb package.  It gives an X server that exists entirely in
memory, not needing a physical graphics chipset to run against.  You
can set DISPLAY to point to the xvfb server, and run X client programs
in that environment.

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#261571 — Re: xclip - how to use without a graphics display for testing on Github workflows

FromTom Browder <tom.browder@gmail.com>
Date2023-09-10 02:50 +0200
SubjectRe: xclip - how to use without a graphics display for testing on Github workflows
Message-ID<HcgOd-7UyA-1@gated-at.bofh.it>
In reply to#261570

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On Sat, Sep 9, 2023 at 18:47 Greg Wooledge <greg@wooledge.org> wrote:

> On Sat, Sep 09, 2023 at 06:36:56PM -0500, Tom Browder wrote:
> > Is there any "xclip" option to allow for testing without a graphics
> devivce

…

Thanks, Greg!

-Tom

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#261573 — Re: xclip - how to use without a graphics display for testing on Github workflows

FromMax Nikulin <manikulin@gmail.com>
Date2023-09-10 04:10 +0200
SubjectRe: xclip - how to use without a graphics display for testing on Github workflows
Message-ID<Hci3E-7VrC-3@gated-at.bofh.it>
In reply to#261569
On 10/09/2023 06:36, Tom Browder wrote:
> We have a Raku module that uses "xclip" during use on a computer with a 
> monitor.  We need to test it with Github workflows which does not have a 
> graphics device.
> 
> Is there any "xclip" option to allow for testing without a graphics 
> devivce without throwing an error? Or any suggestion for a work around?

You can create a mock-up and use it instead of real xclip binary.

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#261575 — Re: xclip - how to use without a graphics display for testing on Github workflows

FromTom Browder <tom.browder@gmail.com>
Date2023-09-10 11:50 +0200
SubjectRe: xclip - how to use without a graphics display for testing on Github workflows
Message-ID<HcpeN-80fe-1@gated-at.bofh.it>
In reply to#261573

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On Sat, Sep 9, 2023 at 21:06 Max Nikulin <manikulin@gmail.com> wrote:

> On 10/09/2023 06:36, Tom Browder wrote:
> > We have a Raku module that uses "xclip" during use on a computer with a
> > monitor.  We need to test it with Github workflows which does not have a
> > graphics device.
> >
> > Is there any "xclip" option to allow for testing without a graphics
> > devivce without throwing an error? Or any suggestion for a work around?
>
> You can create a mock-up and use it instead of real xclip binary.


Sounds interesting, Max, can you show the code?

Thanks.

Cheers!

-Tom

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#261577 — Re: xclip - how to use without a graphics display for testing on Github workflows

FromMax Nikulin <manikulin@gmail.com>
Date2023-09-10 18:50 +0200
SubjectRe: xclip - how to use without a graphics display for testing on Github workflows
Message-ID<HcvNf-84my-1@gated-at.bofh.it>
In reply to#261575
On 10/09/2023 16:44, Tom Browder wrote:
> On Sat, Sep 9, 2023 at 21:06 Max Nikulin wrote:
> 
>> You can create a mock-up and use it instead of real xclip binary.
> 
> Sounds interesting, Max, can you show the code?

Unless you need to test subtle issues like

   https://github.com/astrand/xclip/issues/20
   "Not closing stdout when setting clipboard from stdin"

faced by e.g. tmux users, something simple should be enough:

#!/bin/sh -eu
: "${XCLIP_MOCK_FILE:=$HOME/.xclip-mock}"

while [ $# -gt 0 ]; do
	case "$1" in
		-i|-in)
			;;
		-o|--out) exec cat -- "$XCLIP_MOCK_FILE"
			;;
		-selection|-target) shift
			;;
		*) # FIXME xclip treats all unknown options at any position as files
			break
			;;
	esac
	shift
done
exec cat -- "$@" >"$XCLIP_MOCK_FILE"

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#261581 — Re: xclip - how to use without a graphics display for testing on Github workflows

FromTom Browder <tom.browder@gmail.com>
Date2023-09-11 12:30 +0200
SubjectRe: xclip - how to use without a graphics display for testing on Github workflows
Message-ID<HcMl4-8f2Y-3@gated-at.bofh.it>
In reply to#261577

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On Sun, Sep 10, 2023 at 11:49 Max Nikulin <manikulin@gmail.com> wrote:

> On 10/09/2023 16:44, Tom Browder wrote:
> > On Sat, Sep 9, 2023 at 21:06 Max Nikulin wrote:
> >
> >> You can create a mock-up and use it instead of real xclip binary.
> >
> > Sounds interesting, Max, can you show the code?
>
> Unless you need to test subtle issues like
>
>    https://github.com/astrand/xclip/issues/20
>    "Not closing stdout when setting clipboard from stdin"
>
> faced by e.g. tmux users, something simple should be enough:
>
> #!/bin/sh -eu
> : "${XCLIP_MOCK_FILE:=$HOME/.xclip-mock}"
>
> while [ $# -gt 0 ]; do
>         case "$1" in
>                 -i|-in)
>                         ;;
>                 -o|--out) exec cat -- "$XCLIP_MOCK_FILE"
>                         ;;
>                 -selection|-target) shift
>                         ;;
>                 *) # FIXME xclip treats all unknown options at any
> position as files
>                         break
>                         ;;
>         esac
>         shift
> done
> exec cat -- "$@" >"$XCLIP_MOCK_FILE"


Thank, Max! I'll pass it on to the guy who needs it. He slings Wolfram
language code for a living.

Best regards,

-Tom

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