#!/bin/sh

# Checks that the configuration documents stay consistent with each other.
# The manual documents every key the reference config sets, the reference
# config sets every key the manual documents, both settings sections of the
# manual keep their entries sorted, and the three server configs carry one
# identical content security policy.

test_description='Check the configuration documents'
. ./setup.sh

ROOT="$TEST_OUTPUT_DIRECTORY/.."

test_expect_success 'extract the key lists' '
	sed -n "/^Global settings$/,/^Repository-specific cgitrc file$/p" "$ROOT/MANUAL.txt" |
	sed -n "s/^\([a-z][a-zA-Z0-9.<>-]*\)::$/\1/p" |
	sort >manual-keys &&
	sed -n "s/^#\{0,1\}\([a-z][a-zA-Z0-9.<>-]*\)=.*/\1/p" "$ROOT/custom/cgitrc" |
	sed -e "s/^mimetype\..*/mimetype.<ext>/" |
	sort -u >example-keys &&
	sed -n "s/^#\{0,1\}\(repo\.module-link\)\..*=.*/\1.<path>/p" "$ROOT/custom/cgitrc" >>example-keys &&
	sort -o example-keys example-keys &&
	test -s manual-keys && test -s example-keys
'

test_expect_success 'the reference config sets every documented key' '
	comm -23 manual-keys example-keys >missing &&
	test_must_be_empty missing
'

test_expect_success 'every key the reference config sets is documented' '
	comm -13 manual-keys example-keys >undocumented &&
	test_must_be_empty undocumented
'

test_expect_success 'the manual lists its global settings in order' '
	sed -n "/^Global settings$/,/^Repository settings$/p" "$ROOT/MANUAL.txt" |
	sed -n "s/^\([a-z][a-zA-Z0-9.<>-]*\)::$/\1/p" >global-order &&
	LC_ALL=C sort -c global-order
'

test_expect_success 'the manual lists its repository settings in order' '
	sed -n "/^Repository settings$/,/^Repository-specific cgitrc file$/p" "$ROOT/MANUAL.txt" |
	sed -n "s/^\(repo\.[a-zA-Z0-9.<>-]*\)::$/\1/p" >repo-order &&
	LC_ALL=C sort -c repo-order
'

# The policy is spelled out once per server syntax, so nothing but this check
# keeps the three copies from drifting apart.
test_expect_success 'the server configs agree on one content security policy' '
	for server in apache lighttpd nginx
	do
		grep "Content-Security-Policy" "$ROOT/custom/servers/$server.conf" |
		grep "default-src" |
		sed "s/.*\"\(default-src[^\"]*\)\".*/\1/" || return 1
	done >policies &&
	test_line_count = 3 policies &&
	test $(sort -u policies | wc -l) -eq 1
'

test_done