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#!/usr/bin/env cram
# This file is part of git-big-picture
#
# Copyright (C) 2012-2018 Valentin Haenel <valentin.haenel@gmx.de>
# Copyright (C) 2020 Sebastian Pipping <sebastian@pipping.org>
#
# git-big-picture is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# git-big-picture is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with git-big-picture. If not, see <http://www.gnu.org/licenses/>.
# Cram (https://bitheap.org/cram/) tests for git-big-picture
no repo
$ git-big-picture
fatal: '/.+' is probably not a Git repository (re)
[10]
create a fake repo (i.e. global setup for all following tests)
$ git init -q
$ git config user.email tests@git-big-picture.test
$ git config user.name 'git-big-picture test suite'
$ git commit -q --allow-empty -m "foo"
$ git config big-picture.wait 0.01 # to speed up the test suite
run without options (entry point generated by setuptools)
$ git-big-picture .
fatal: Must provide an output option. Try '-h' for more information
[8]
run without options (__main__ module)
$ python3 -m git_big_picture .
fatal: Must provide an output option. Try '-h' for more information
[8]
cover including commit messages (smoke test)
$ git-big-picture -c -g >/dev/null
test option precedence for -C followed by -c (include commit messages)
$ git-big-picture -g -C -c | grep -q 'foo'
test option precedence for -c followed by -C (don't include commit messages)
$ git-big-picture -g -c -C | grep -q 'foo'
[1]
mix --graphviz and --processed and others
$ git-big-picture -p -g
fatal: Options '-g | --graphviz' and '-p | --processed' are mutually exclusive.
[7]
$ git-big-picture -g -v true
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
[7]
$ git-big-picture -p -v true
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
[7]
$ git-big-picture -g -o file.svg
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
[7]
$ git-big-picture -p -o file.svg
fatal: Options '-g | --graphviz' and '-p | --processed' are incompatible with other output options.
[7]
try wrong format
$ git-big-picture -p -f foo
fatal: 'dot' terminated prematurely with error code 1;
probably you specified an invalid format, see 'man dot'.
The error from 'dot' was:
>>>Format: "foo" not recognized. Use one of: .*$ (re)
[4]
mismatch format, filename takes precedence
$ git-big-picture -f pdf -o file.svg
$ ls
file.svg
$ rm file.svg
try just filename
$ git-big-picture -o file.svg
$ ls
file.svg
$ rm file.svg
try using different format
$ git-big-picture -o file.pdf
$ ls
file.pdf
$ rm file.pdf
try no such viewer
$ git-big-picture -f svg -v foo
fatal: Error calling viewer: 'foo':
>>>\[Errno 2\] No such file or directory.*$ (re)
[6]
format but no extension
$ git-big-picture -f svg -o file
warning: Filename had no suffix, using format: svg
$ ls
file.svg
$ rm file.svg
provide filename and viewer
$ git-big-picture -o file.svg -v true
$ ls
file.svg
$ rm file.svg
provide filename and viewer and format
$ git-big-picture -f png -o file -v true
warning: Filename had no suffix, using format: png
$ ls
file.png
$ rm file.png
check explicit direction of history
$ bash -c 'set -o pipefail; for i in {down,left,right,up}wards; do git-big-picture -g --history-direction=${i} | grep -F rankdir ; done'
\trankdir="BT"; (esc)
\trankdir="LR"; (esc)
\trankdir="RL"; (esc)
\trankdir="TB"; (esc)
check for deletion of temp files
$ ls -1 "$(git-big-picture -d -v true | grep -F 'temp file' | tee /dev/stderr | grep -Eo "/[^']+" | uniq)" || ( exit 2 ) # for macOS
debug: Created temp file: '/[^']+' (re)
debug: Removing temp file: '/[^']+' (re)
ls: .*/.+/git-big-picture.*.svg.*No such file or directory (re)
[2]
try profiling
$ git-big-picture --pstats=stats -o file.svg
$ ls
file.svg
stats
$ rm stats file.svg
be robust with regard to branch names that contain special characters
$ git branch "single'tick"
$ git branch "one'two'three"
$ git branch 'double"quote'
$ git-big-picture -w0 -v true
check that argument --processed produces healthy output
$ git-big-picture --processed -f svg | head -n1 | grep -o '^<?xml'
<?xml
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