#!/bin/sh
set -u

. tests/lib.sh

assert_file() {
	if ! diff "$2" "$1"; then
		printf '\n%s: File content differs.\n' \
			"$(ERROR)" >&2
		printf '\nexpected: %s\ngot:      %s\n\n' "$1" "$2" >&2
		print_debug_info
		exit 1
	fi
}

test_index_generation() {
	testing 'index generation'

	N="$LINENO"
	OUT="$(mkstemp)"
	ERR="$(mkstemp)"
	DIR="$(mkdtemp)"
	./gistatic -i -o "$DIR" tests/resources/repositories/* 1>"$OUT" 2>"$ERR"
	STATUS=$?
	assert_empty_stdout
	assert_empty_stderr
	assert_status 0
	assert_file tests/resources/assets/style.css  "$DIR/style.css"
	assert_file tests/resources/assets/logo.svg   "$DIR/logo.svg"
	assert_file tests/resources/assets/index.html "$DIR/index.html"

	test_ok
}

test_repo_generation() {
	testing 'repo generation'

	N="$LINENO"
	OUT="$(mkstemp)"
	ERR="$(mkstemp)"
	DIR="$(mkdtemp)"
	./gistatic -o "$DIR" -u https://example.com/ \
		tests/resources/repositories/repo-1 1>"$OUT" 2>"$ERR"
	STATUS=$?
	assert_empty_stdout
	assert_empty_stderr
	assert_status 0

	assert_file tests/resources/assets/repo/style.css "$DIR/style.css"
	assert_file tests/resources/assets/repo/logo.svg  "$DIR/logo.svg"
	assert_file tests/resources/assets/repo/refs.html "$DIR/refs.html"

	test_ok
}

test_index_generation
test_repo_generation