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#!/bin/bash
#
# runs dh_virtualenv to build the virtualenv in the build directory,
# and then runs the trial tests against the installed synapse.

set -e

export DH_VIRTUALENV_INSTALL_ROOT=/opt/venvs
SNAKE=/usr/bin/python3

# try to set the CFLAGS so any compiled C extensions are compiled with the most
# generic as possible x64 instructions, so that compiling it on a new Intel chip
# doesn't enable features not available on older ones or AMD.
#
# TODO: add similar things for non-amd64, or figure out a more generic way to
# do this.

case `dpkg-architecture -q DEB_HOST_ARCH` in
    amd64)
        export CFLAGS=-march=x86-64
        ;;
esac

# Use --builtin-venv to use the better `venv` module from CPython 3.4+ rather
# than the 2/3 compatible `virtualenv`.

dh_virtualenv \
    --install-suffix "matrix-synapse" \
    --builtin-venv \
    --setuptools \
    --python "$SNAKE" \
    --upgrade-pip \
    --preinstall="lxml" \
    --preinstall="mock" \
    --extra-pip-arg="--no-cache-dir" \
    --extra-pip-arg="--compile"

# we copy the tests to a temporary directory so that we can put them on the
# PYTHONPATH without putting the uninstalled synapse on the pythonpath.
tmpdir=`mktemp -d`
trap "rm -r $tmpdir" EXIT

cp -r tests "$tmpdir"
cd debian/matrix-synapse-py3

PYTHONPATH="$tmpdir" \
    ./opt/venvs/matrix-synapse/bin/python \
        -B -m twisted.trial --reporter=text -j2 tests