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85 lines
3.2 KiB
Bash
Executable File
85 lines
3.2 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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testing "grep (no newline at EOL)" "grep bug" "bug" "bug" ""
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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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