Add testing framework and first test.

testsuite/README.md

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+# Test suites for openrsync.
+
+All tests are for the kyua framework.
+
+run-orig/ contains slightly changed tests from GNU rsync.  See the
+README.md in there.
+
+src/ contains a new test suite.  See the README.md in there.
+
+## src/ instructions
+
+Edit conf.sh to your liking.
+
+Run like this:
+
+`./generate-kyua && kyua test`
+
+You can also run the individual test cases like this:
+`./test5_symlink-kills-dir.test`
+
+Requirements:
+- pkg misc/cstream is required for some modes of testing.
+- perl5 for some one-liners
+
+Makefile has some useful functions you might want to check out.
+

testsuite/src/.gitignore

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+dir1
+dir2
+dir3
+tests_kyua.sh
+Kyuafile
+find1
+find2

testsuite/src/Makefile

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+all:
+
+run:
+	./generate-kyua
+	-kyua test

testsuite/src/conf.sh

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+rsync=${rsync-openrsync}

testsuite/src/generate-kyua

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+#! /bin/sh
+
+test_counter=10000
+
+doit ()
+{
+    local name
+    local names=""
+
+    echo '#! /usr/bin/env atf-sh'
+    echo
+
+    # This loop iterates over all the *.test files and
+    # generates a single Kuya file with multiple tests.
+    # Note that it includes the literal block in the
+    # loop.
+
+    for file in test[0-9]*.test ; do
+        test_counter=$(($test_counter + 1))
+        # name needs to conform to sh function identifier rules
+        name=`echo $file | sed 's/[- ]/_/g'`
+        name=${name%%.*}
+        names="$names $name"
+
+        echo atf_test_case $name
+
+cat << EOF
+
+${name}_head()
+{
+    atf_set "descr" "${file%.test}"
+}
+
+${name}_body()
+{
+    export tstdir=`pwd`
+    if "`pwd`/$file" ; then
+        atf_pass
+    else
+        atf_fail "$file failed"
+    fi
+}
+
+
+EOF
+    done
+
+    echo 'atf_init_test_cases()'
+    echo '{'
+    for name in $names ; do 
+        echo "    atf_add_test_case $name"
+    done
+    echo '}'
+
+}
+
+doit "$@" > tests_kyua.tmp && mv tests_kyua.tmp tests_kyua.sh
+chmod a+x tests_kyua.sh
+
+cat << EOF > Kyuafile
+syntax(2)
+
+-- The name of the test suite must be defined.
+test_suite('openrsynctests')
+
+-- This specifies the test programs
+atf_test_program{name='tests_kyua.sh'}
+EOF

testsuite/src/lib.sh

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+#! /bin/sh
+
+set -u
+set -e
+
+# Library of functions.
+# Intended to be sourced by scripts (or interactive shells if you want).
+
+genfile_stdout_16m ()
+{
+    seq -f%015g 1048576
+}
+genfile_stdout_1m ()
+{
+    seq -f%015g 65536
+}
+genfile ()
+{
+    #touch "$1"
+    genfile_stdout_1m > "$1"
+}
+
+# makes a directory path and optionally a file in it.
+# if you want the last element to be a directory, add / at the end
+mkdirfile ()
+{
+    case "$1" in
+        '') error that cannot work;;
+        */) mkdir -p "$1";;
+        */*) mkdir -p "${1%/*}"; genfile "$1";;
+        *) genfile "$1";;
+    esac
+}
+
+mkdirsymlink ()
+{
+    (
+        mkdir -p "$1"
+        cd "$1"
+        ln -sf "$2" "$3"
+    )
+}
+
+# make a first interesting tree
+generate_tree_1 ()
+{
+    mkdirfile foo/bar/baz/one.txt
+    mkdirfile foo/bar/baz/one2.txt
+    mkdirfile 'foo/bar/baz/  two.txt'
+    mkdirfile 'foo/bar/baz/two  2.txt'
+    mkdirfile 'foo/bar/baz/two3.txt  '
+    mkdirsymlink foo/baz/ ../bar/baz/one.txt three.txt
+    mkdirfile one/two/three/four.txt
+    mkdirfile foo/five/one/two/five/blah.txt
+    mkdirfile foo/one/two/five/blah.txt
+}
+
+# a frontend for find
+# first argument is a dir to chdir to
+findme ()
+{
+    if [ $# -lt 2 ] ; then
+        echo usage: different 1>&2
+        return 1
+    fi
+    (
+        cd "$1" ; shift
+        # Cut out the inode number and blocks used.
+        # Maybe later also cut out size in bytes for directories.
+        find "$@" -ls | sed 's/^ *[0-9]* *[0-9]* *//' | sort
+    )
+}
+
+# compare two trees.  This will later be modular to pick between:
+# - diff
+# - find . -print0 | sort --zero-terminated | xargs -0 tar fc foo.tar
+# - mtree
+compare_trees ()
+{
+    if [ $# -ne 2 ] ; then
+        echo usage: different 1>&2
+        return 1
+    fi
+    # files_and_permissions
+    findme "$1" . > find1
+    findme "$2" . > find2
+    diff -u find[12]
+    # file contents
+    diff -ru "$1" "$2"
+}

testsuite/src/test1_minusa.test

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+#! /bin/sh
+
+. ${tstdir-.}/lib.sh
+. ${tstdir-.}/conf.sh
+
+rm -rf dir1 dir2 dir3
+# make the copy-from-here tree
+mkdir dir1
+cd dir1
+generate_tree_1
+# make the tree we want to compare to
+mkdir ../dir2
+cd ../dir2
+generate_tree_1
+
+cd ..
+$rsync -a dir1/ dir3
+compare_trees dir2 dir3