#!/bin/sh

# Checks how tools/serve.py, the preview server that runs the built binary and
# hands its output back over HTTP, tells the CGI headers from the body. The
# cases live in serve-split-check.py beside this file, and nothing here touches
# a repository, so the fixtures stay unbuilt.

test_description='Check the preview server splits CGI output correctly'
CGIT_TEST_NO_CREATE_REPOS=YesPlease
. ./setup.sh

# A version manager's shim may find its interpreters through HOME, which the
# library has moved into the trash directory, so the interpreter is looked up
# once under the account's own. -I keeps the user's site packages and PYTHON
# variables out of the checks.
PYTHON=$(HOME=$USER_HOME python3 -I -c 'import sys; print(sys.executable)' 2>/dev/null)

# serve.py uses syntax that came with Python 3.8.
test_lazy_prereq PYTHON '
	test -n "$PYTHON" &&
	"$PYTHON" -I -c "import sys; sys.exit(sys.version_info < (3, 8))"
'

test_have_prereq PYTHON || {
	skip_all='Skipping preview server tests: no python3 3.8 or later'
	test_done
}

split_check() {
	"$PYTHON" -I "$TEST_OUTPUT_DIRECTORY/serve-split-check.py" \
		"$TEST_OUTPUT_DIRECTORY/.." "$1"
}

test_expect_success 'a CRLF blank line in the body stays in the body' '
	split_check crlf-in-body
'

test_expect_success 'an LF blank line after CRLF headers stays in the body' '
	split_check lf-in-body
'

test_expect_success 'a status line is taken off the headers' '
	split_check status
'

test_expect_success 'an empty body survives, as a redirect leaves one' '
	split_check empty-body
'

test_expect_success 'output with no blank line at all is all headers' '
	split_check no-blank-line
'

test_done