shspec/test/test-expect-env

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#!/bin/bash
# Environment expectation tests
#
# Copyright (C) 2014 Mike Gewitz
#
# This file is part of shspec.
#
# shspec 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
##
declare -r stubenv='
declare -x -- var="val"
declare -x -- long="foo bar baz"
declare -x -- empty=""
declare -x -- one="1"
declare -- nonexport="moo"
declare -- nonexport_empty=""'
declare curchk
function setchk()
{
shspec::expect::$curchk 0 4 <(:) <( echo "$stubenv" ) "$@"
}
# we have a few different expectations that have the same syntax
for name in set declare export; do
curchk=$name
describe "$name"
describe = and == operators
it succeeds on string equality
expect setchk var = val
to succeed
expect setchk var == val
to succeed
end
it fails on string inequality
expect setchk var = unval
to fail
expect setchk var == unval
to fail
end
end
describe != operator
it succeeds on string inequality
expect setchk var != foo
to succeed
end
it fails on string equality
expect setchk var != val
to fail
end
end
describe =~ operator
it succeeds on a match
expect setchk \
long =~ fo+ ba. baz\$
to succeed
end
# note that this also ensures that *all* arguments are part of the
# match
it fails on a mismatch
expect setchk \
long =~ fo+ baX baz\$
to fail
end
end
describe -n operator
it succeeds when string is non-empty
expect setchk var -n
to succeed
end
it fails when string is empty
expect setchk empty -n
to fail
end
end
describe -z operator
it succeeds when string is empty
expect setchk empty -z
to succeed
end
it fails when string is non-empty
expect setchk var -z
to fail
end
end
describe -eq operator
it succeeds on numeric equality
expect setchk one -eq 1
to succeed
end
it fails on numeric inequality
expect setchk one -eq 2
to fail
end
end
describe -gt operator
it succeeds when numerically greater
expect setchk one -gt 0
to succeed
end
it fails when not numerically greater
expect setchk one -gt 1
to fail
end
end
describe -ge operator
it succeeds when numerically greater
expect setchk one -ge 0
to succeed
end
it succeeds when numerically equal
expect setchk one -ge 1
to succeed
end
it fails when numerically less than
expect setchk one -ge 2
to fail
end
end
describe -lt operator
it succeeds when numerically less than
expect setchk one -lt 2
to succeed
end
it fails when not numerically less than
expect setchk one -lt 1
to fail
end
end
describe -le operator
it succeeds when numerically less than
expect setchk one -le 2
to succeed
end
it succeeds when numerically equal
expect setchk one -le 1
to succeed
end
it fails when numerically greater than
expect setchk one -le 0
to fail
end
end
describe -ne operator
it succeeds when numerically unequal
expect setchk one -ne 2
to succeed
end
it fails when numerically equal
expect setchk one -ne 1
to fail
end
end
# primarily for safety and strict documentation, but no other tests make
# sense at the moment
it fails on unrecognized operators
# shell injection (not that this is realistically a problem, because
# we can execute arbitrary shell code anyway)
expect setchk var "!= foo -a 1 -eq" 1
to fail
end
if [ "$name" == export ]; then
it fails when variable is not exported
expect setchk nonexport
to fail
end
describe in absence of any operator
it succeeds on exported, non-empty var
expect setchk var
to succeed
end
it succeeds on exported empty var
expect setchk empty
to succeed
end
it fails on non-exported, non-empty var
expect setchk nonexport
to fail
end
it fails on non-exported empty var
expect setchk nonexport_empty
to fail
end
end
else
describe in absence of any operator
it succeeds on non-empty string
expect setchk var
to succeed
end
it fails on empty string
expect setchk empty
to fail
end
end
fi
end
done