Re: [PATCH] test: use the python interpreter in sh.config

[Tomi Ollila <tomi.ollila@iki.fi>]

On Sun, Aug 02 2015, David Bremner <david@tethera.net> wrote:

> The configure script chooses "python" if both python and python{2,3}
> exist exists, so this could change the version of python used to run
> the test suite.

LGTM. tests pass. 

>
> The checking for ${NOTMUCH_PYTHON} in the test suite is arguably
> over-engineering, since the configure step will fail if it can't find
> it.

Unless we accidentally edit NOTMUCH_PYTHON (away) in configure...
(i.e. I parsonally think this comment part is unnecessary, but i'm not
against having it)

Tomi

> ---
>
> Here is an updated version which fixes the subject typo, and actually
> tests for the python binary read from sh.config. I'll probably merge this version unless there are objections
>
>  configure           |  2 ++
>  test/T390-python.sh |  2 ++
>  test/test-lib.sh    | 15 ++++-----------
>  3 files changed, 8 insertions(+), 11 deletions(-)
>
> diff --git a/configure b/configure
> index 56f550b..20fbed6 100755
> --- a/configure
> +++ b/configure
> @@ -114,6 +114,8 @@ Other environment variables can be used to control configure itself,
>  	XAPIAN_CONFIG	The program to use to determine flags for
>  			compiling and linking against the Xapian
>  			library. [$XAPIAN_CONFIG]
> +	PYTHON		Name of python command to use in
> +			configure and the test suite.
>  
>  Additionally, various options can be specified on the configure
>  command line.
> diff --git a/test/T390-python.sh b/test/T390-python.sh
> index 26d0b97..c3f24f7 100755
> --- a/test/T390-python.sh
> +++ b/test/T390-python.sh
> @@ -2,6 +2,8 @@
>  test_description="python bindings"
>  . ./test-lib.sh
>  
> +test_require_external_prereq ${NOTMUCH_PYTHON}
> +
>  add_email_corpus
>  
>  test_begin_subtest "compare thread ids"
> diff --git a/test/test-lib.sh b/test/test-lib.sh
> index 3466e9c..db3b6aa 100644
> --- a/test/test-lib.sh
> +++ b/test/test-lib.sh
> @@ -621,9 +621,9 @@ test_expect_equal_json () {
>      # The test suite forces LC_ALL=C, but this causes Python 3 to
>      # decode stdin as ASCII.  We need to read JSON in UTF-8, so
>      # override Python's stdio encoding defaults.
> -    output=$(echo "$1" | PYTHONIOENCODING=utf-8 python -mjson.tool \
> +    output=$(echo "$1" | PYTHONIOENCODING=utf-8 $NOTMUCH_PYTHON -mjson.tool \
>          || echo "$1")
> -    expected=$(echo "$2" | PYTHONIOENCODING=utf-8 python -mjson.tool \
> +    expected=$(echo "$2" | PYTHONIOENCODING=utf-8 $NOTMUCH_PYTHON -mjson.tool \
>          || echo "$2")
>      shift 2
>      test_expect_equal "$output" "$expected" "$@"
> @@ -1153,14 +1153,8 @@ test_python() {
>  	export LD_LIBRARY_PATH=$TEST_DIRECTORY/../lib
>  	export PYTHONPATH=$TEST_DIRECTORY/../bindings/python
>  
> -	# Some distros (e.g. Arch Linux) ship Python 2.* as /usr/bin/python2,
> -	# most others as /usr/bin/python. So first try python2, and fallback to
> -	# python if python2 doesn't exist.
> -	cmd=python2
> -	[[ ${test_missing_external_prereq_[python2]} == t ]] && cmd=python
> -
>  	(echo "import sys; _orig_stdout=sys.stdout; sys.stdout=open('OUTPUT', 'w')"; cat) \
> -		| $cmd -
> +		| $NOTMUCH_PYTHON -
>  }
>  
>  test_ruby() {
> @@ -1325,5 +1319,4 @@ test_declare_external_prereq emacs
>  test_declare_external_prereq ${TEST_EMACSCLIENT}
>  test_declare_external_prereq gdb
>  test_declare_external_prereq gpg
> -test_declare_external_prereq python
> -test_declare_external_prereq python2
> +test_declare_external_prereq ${NOTMUCH_PYTHON}
> -- 
> 2.1.4
>
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