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$COMMAND environment variable, instead put full command line (including command to run) in second argument. Modify $PATH to have test versions of commands at start of path. (Also more infrastructure for testing as root, work in progress...)
83 lines
3.1 KiB
Bash
Executable File
83 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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# grep tests.
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# Copyright 2005 by Rob Landley <rob@landley.net>
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# Licensed under GPL v2, see file LICENSE for details.
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# AUDIT:
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. testing.sh
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# testing "test name" "options" "expected result" "file input" "stdin"
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# file input will be file called "input"
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# test can create a file "actual" instead of writing to stdout
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# Test exit status
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testing "grep (exit with error)" "grep nonexistent 2> /dev/null ; echo \$?" \
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"1\n" "" ""
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testing "grep (exit success)" "grep grep $0 > /dev/null 2>&1 ; echo \$?" "0\n" \
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"" ""
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# Test various data sources and destinations
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testing "grep (default to stdin)" "grep two" "two\n" "" \
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"one\ntwo\nthree\nthree\nthree\n"
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testing "grep - (specify stdin)" "grep two -" "two\n" "" \
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"one\ntwo\nthree\nthree\nthree\n"
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testing "grep input (specify file)" "grep two input" "two\n" \
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"one\ntwo\nthree\nthree\nthree\n" ""
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# Note that this assumes actual is empty.
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testing "grep input actual (two files)" "grep two input actual 2> /dev/null" \
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"input:two\n" "one\ntwo\nthree\nthree\nthree\n" ""
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testing "grep - infile (specify stdin and file)" "grep two - input" \
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"(standard input):two\ninput:two\n" "one\ntwo\nthree\n" \
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"one\ntwo\ntoo\nthree\nthree\n"
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# Check if we see the correct return value if both stdin and non-existing file
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# are given.
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testing "grep - nofile (specify stdin and nonexisting file)" \
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"grep two - nonexistent 2> /dev/null ; echo \$?" \
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"(standard input):two\n(standard input):two\n2\n" \
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"" "one\ntwo\ntwo\nthree\nthree\nthree\n"
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testing "grep -q - nofile (specify stdin and nonexisting file, no match)" \
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"grep -q nomatch - nonexistent 2> /dev/null ; echo \$?" \
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"2\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
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# SUSv3: If the -q option is specified, the exit status shall be zero
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# if an input line is selected, even if an error was detected.
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testing "grep -q - nofile (specify stdin and nonexisting file, match)" \
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"grep -q two - nonexistent ; echo \$?" \
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"0\n" "" "one\ntwo\ntwo\nthree\nthree\nthree\n"
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# Test various command line options
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# -s no error messages
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testing "grep -s nofile (nonexisting file, no match)" \
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"grep -s nomatch nonexistent ; echo \$?" "2\n" "" ""
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testing "grep -s nofile - (stdin and nonexisting file, match)" \
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"grep -s domatch nonexistent - ; echo \$?" \
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"(standard input):domatch\n2\n" "" "nomatch\ndomatch\nend\n"
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# This doesn't match GNU behaviour (Binary file input matches)
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# acts like GNU grep -a
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testing "grep handles binary files" "grep foo input" "foo\n" "\0foo\n\n" ""
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# This doesn't match GNU behaviour (Binary file (standard input) matches)
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# acts like GNU grep -a
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testing "grep handles binary stdin" "grep foo" "foo\n" "" "\0foo\n\n"
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testing "grep matches NUL" "grep . input > /dev/null 2>&1 ; echo \$?" \
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"0\n" "\0\n" ""
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# -e regex
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testing "grep handles multiple regexps" "grep -e one -e two input ; echo \$?" \
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"one\ntwo\n0\n" "one\ntwo\n" ""
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optional FEATURE_GREP_EGREP_ALIAS
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testing "grep -E supports extended regexps" "grep -E fo+" "foo\n" "" \
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"b\ar\nfoo\nbaz"
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testing "grep is also egrep" "egrep foo" "foo\n" "" "foo\nbar\n"
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testing "egrep is not case insensitive" \
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"egrep foo ; [ \$? -ne 0 ] && echo yes" "yes\n" "" "FOO\n"
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exit $FAILCOUNT
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