pi-hole/test/test_automated_install.py

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import pytest
from textwrap import dedent
SETUPVARS = {
'piholeInterface' : 'eth99',
'IPv4_address' : '1.1.1.1',
'IPv6_address' : '2:2:2:2:2:2',
'piholeDNS1' : '4.2.2.1',
'piholeDNS2' : '4.2.2.2'
}
def test_setupVars_are_sourced_to_global_scope(Pihole):
''' currently update_dialogs sources setupVars with a dot,
then various other functions use the variables '''
setup_var_file = 'cat <<EOF> /etc/pihole/setupVars.conf\n'
for k,v in SETUPVARS.iteritems():
setup_var_file += "{}={}\n".format(k, v)
setup_var_file += "EOF\n"
Pihole.run(setup_var_file)
script = dedent('''\
#!/bin/bash -e
printSetupVars() {
# Currently debug test function only
echo "Outputting sourced variables"
echo "piholeInterface=\${piholeInterface}"
echo "IPv4_address=\${IPv4_address}"
echo "IPv6_address=\${IPv6_address}"
echo "piholeDNS1=\${piholeDNS1}"
echo "piholeDNS2=\${piholeDNS2}"
}
update_dialogs() {
. /etc/pihole/setupVars.conf
}
update_dialogs
printSetupVars
''')
output = run_script(Pihole, script).stdout
for k,v in SETUPVARS.iteritems():
assert "{}={}".format(k, v) in output
def test_setupVars_saved_to_file(Pihole):
''' confirm saved settings are written to a file for future updates to re-use '''
set_setup_vars = '\n' # dedent works better with this and padding matching script below
for k,v in SETUPVARS.iteritems():
set_setup_vars += " {}={}\n".format(k, v)
Pihole.run(set_setup_vars).stdout
script = dedent('''\
#!/bin/bash -e
echo start
TERM=xterm
PHTEST=TRUE
source /opt/pihole/basic-install.sh
{}
finalExports
cat /etc/pihole/setupVars.conf
'''.format(set_setup_vars))
output = run_script(Pihole, script).stdout
for k,v in SETUPVARS.iteritems():
assert "{}={}".format(k, v) in output
def run_script(Pihole, script, file="/test.sh"):
_write_test_script(Pihole, script, file=file)
result = Pihole.run(file)
assert result.rc == 0
return result
def _write_test_script(Pihole, script, file):
''' Running the test script blocks directly can behave differently with regard to global vars '''
''' this is a cheap work around to that until all functions no longer rely on global variables '''
Pihole.run('cat <<EOF> {file}\n{script}\nEOF'.format(file=file, script=script))
Pihole.run('chmod +x {}'.format(file))