toybox-clone/tests/cat.test

#!/bin/bash

[ -f testing.sh ] && . testing.sh

#testing "name" "command" "result" "infile" "stdin"

echo "one" > file1
echo "two" > file2
testing "cat" "cat && echo yes" "oneyes\n" "" "one"
testing "-" "cat - && echo yes" "oneyes\n" "" "one"
testing "file1 file2" "cat file1 file2" "one\ntwo\n"  "" ""
testing "- file"      "cat - file1"     "zero\none\n" "" "zero\n"
testing "file -"      "cat file1 -"     "one\nzero\n" "" "zero\n"

testing "file1 notfound file2" \
        "cat file1 notfound file2 2>stderr && echo ok ; cat stderr; rm stderr" \
        "one\ntwo\ncat: notfound: No such file or directory\n" "" ""

testing "binary" \
        'cat "$C" > file1 && cmp "$C" file1 && echo yes' "yes\n" "" ""

testing "- file1" \
        "cat - file1 | diff -a -U 0 - file1 | tail -n 1" \
        "-hello\n" "" "hello\n"

skipnot [ -e /dev/full ]
testing "> /dev/full" \
        "cat - > /dev/full 2>/dev/null || echo failed" \
        "failed\n" "" "zero\n"

rm file1 file2