tests: add a fake wget

so we can simulate fetching things from internet

2 files changed, 133 insertions, 0 deletions

diff --git a/tests/bin/wget b/tests/bin/wget
new file mode 100755
index 0000000..72306a4
--- /dev/null
+++ b/tests/bin/wget
@@ -0,0 +1,75 @@
+#!/bin/sh
+
+prog=${0##*/}
+usage() {
+	cat <<EOF
+usage: wget [-cqS] [--spider] [-O FILE] [-o LOGFILE] [--header STR]
+	[--post-data STR | --post-file FILE] [-Y on/off]
+	[-P DIR] [-U AGENT] [-T SEC] URL...
+
+Retrieve files via HTTP or FTP
+
+	--spider	Only check URL existence: \$? is 0 if exists
+	--header STR	Add STR (of form 'header: value') to headers
+	--post-data STR	Send STR using POST method
+	--post-file FILE	Send FILE using POST method
+	-c		Continue retrieval of aborted transfer
+	-q		Quiet
+	-P DIR		Save to DIR (default .)
+	-S    		Show server response
+	-T SEC		Network read timeout is SEC seconds
+	-O FILE		Save to FILE ('-' for stdout)
+	-o LOGFILE	Log messages to FILE
+	-U STR		Use STR for User-Agent header
+	-Y on/off	Use proxy
+EOF
+	exit $1
+}
+
+msg() {
+	if ! [ -n "$quiet" ]; then
+		# busybox wget sends to stderr
+		echo "$@" >&2
+	fi
+}
+
+OPTS=$(getopt -l quiet,help,spider -o "qhO:" -n $prog -- "$@") || usage "1" >&2
+
+quiet=
+eval set -- "$OPTS"
+while true; do
+	opt="$1"
+	case "$opt" in
+		-h|--help)
+			usage 0
+			;;
+		-q|--quiet)
+			quiet=1
+			;;
+		--spider)
+			exit ${SPIDER_STATUS:-0}
+			;;
+		-O)
+			shift
+			outfile="$1"
+			;;
+		--)
+			shift
+			break
+			;;
+		*) usage "1" >&2
+			;;
+	esac
+	shift
+done
+
+: ${outfile:=index.html}
+case "$outfile" in
+	-)	msg "writing to stdout"
+		echo "$WGETCONTENT"
+		;;
+	*) 	msg "saving to '$outfile'"
+		echo "$WGETCONTENT" > "$outfile"
+		;;
+esac
+
diff --git a/tests/fake_wget_test b/tests/fake_wget_test
new file mode 100755
index 0000000..dac7681
--- /dev/null
+++ b/tests/fake_wget_test
@@ -0,0 +1,58 @@
+#!/usr/bin/env atf-sh
+
+. $(atf_get_srcdir)/test_env.sh
+init_tests \
+	fake_wget_usage \
+	fake_wget_spider \
+	fake_wget_quiet \
+	fake_wget \
+	fake_wget_outfile \
+	fake_wget_stdout
+
+fake_wget_usage_body() {
+	test_usage wget
+}
+
+fake_wget_spider_body() {
+	init_env
+	atf_check -s exit:0 \
+		-o empty \
+		-e empty \
+		wget --spider https://example.com
+}
+
+fake_wget_quiet_body() {
+	init_env
+	atf_check -s exit:0 \
+		-o empty \
+		-e empty \
+		wget -q https://example.com
+}
+
+fake_wget_body() {
+	init_env
+	atf_check -s exit:0 \
+		-o empty \
+		-e match:"saving to 'index.html'" \
+		wget https://example.com
+		test -f index.html || atf_fail "index.html not created"
+}
+
+fake_wget_outfile_body() {
+	init_env
+	atf_check -s exit:0 \
+		-o empty \
+		-e match:"saving to 'foo'" \
+		wget -O foo https://example.com
+		test -f foo || atf_fail "foo not created"
+}
+
+fake_wget_stdout_body() {
+	init_env
+	export WGETCONTENT="hello world"
+	atf_check -s exit:0 \
+		-o match:"hello world" \
+		-e match:"writing to stdout" \
+		wget -O - https://example.com
+		! test -f - || atf_fail "- was created"
+}