python: report dot errors

* python/spot/aux.py: Catch errors from dot and signal them.
* tests/python/_aux.ipynb: New file.
* tests/Makefile.am: Add it.
* tests/sanity/ipynb.pl: Support the convention that tests starting with
'_' should not be published on the web site.
This commit is contained in:
Alexandre Duret-Lutz 2016-02-16 14:34:57 +01:00
parent c093b7b78f
commit 22af7aefdf
4 changed files with 86 additions and 5 deletions

73
tests/python/_aux.ipynb Normal file
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@ -0,0 +1,73 @@
{
"metadata": {
"name": "",
"signature": "sha256:6be10f711b59f226415bc570a040611b0a8c554e61bf92877b8af4040963e0ac"
},
"nbformat": 3,
"nbformat_minor": 0,
"worksheets": [
{
"cells": [
{
"cell_type": "code",
"collapsed": false,
"input": [
"import spot.aux"
],
"language": "python",
"metadata": {},
"outputs": [],
"prompt_number": 1
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Make sure `str_to_svg` reports errors from dot."
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"spot.aux.str_to_svg(b'syntax error')"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stderr",
"text": [
"Calling 'dot' for the conversion to SVG produced the message:\n",
"Error: <stdin>: syntax error in line 1 near 'syntax'\n",
"\n"
]
},
{
"ename": "CalledProcessError",
"evalue": "Command 'dot' returned non-zero exit status 1",
"output_type": "pyerr",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m\n\u001b[0;31mCalledProcessError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-3-294a2c217b9a>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mspot\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0maux\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mstr_to_svg\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34mb'syntax error'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;32m/home/adl/git/spot/python/spot/aux.py\u001b[0m in \u001b[0;36mstr_to_svg\u001b[0;34m(str)\u001b[0m\n\u001b[1;32m 60\u001b[0m \u001b[0mret\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mdot\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mwait\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 61\u001b[0m \u001b[0;32mif\u001b[0m \u001b[0mret\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 62\u001b[0;31m \u001b[0;32mraise\u001b[0m \u001b[0msubprocess\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mCalledProcessError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mret\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m'dot'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 63\u001b[0m \u001b[0;32mreturn\u001b[0m \u001b[0mstdout\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdecode\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m'utf-8'\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 64\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;31mCalledProcessError\u001b[0m: Command 'dot' returned non-zero exit status 1"
]
}
],
"prompt_number": 3
},
{
"cell_type": "code",
"collapsed": false,
"input": [],
"language": "python",
"metadata": {},
"outputs": []
}
],
"metadata": {}
}
]
}