opnsense-src/usr.bin/diff3/tests/diff3_test.sh
Baptiste Daroussin b37a6938e3 diff3: make the diff3 -E -m and diff3 -m behaviour match gnu diff3
In gnu diff3 3 way merging files where the new file and the target are
already the same will die and show what has failed to be merged except
if -E is passed in argument, in this case it will finish the merge.

This difference in behaviour was breaking one of the etcupdate testcase
with bsd diff3

Reviewed by:	emaste
Differential Revision:	https://reviews.freebsd.org/D41730
2023-09-06 17:06:39 +02:00

108 lines
3.3 KiB
Bash
Executable file

atf_test_case diff3
atf_test_case diff3_lesssimple
atf_test_case diff3_ed
atf_test_case diff3_A
atf_test_case diff3_merge
atf_test_case diff3_E_merge
diff3_body()
{
atf_check -o file:$(atf_get_srcdir)/1.out \
diff3 $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -o file:$(atf_get_srcdir)/1.out \
diff3 --strip-trailing-cr $(atf_get_srcdir)/1cr.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -o file:$(atf_get_srcdir)/1t.out \
diff3 -T $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -o file:$(atf_get_srcdir)/2.out \
diff3 -e $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -o file:$(atf_get_srcdir)/3.out \
diff3 -E -L 1 -L 2 -L 3 $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -o file:$(atf_get_srcdir)/4.out \
diff3 -X -L 1 -L 2 -L 3 $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -o file:$(atf_get_srcdir)/5.out \
diff3 -x $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -o file:$(atf_get_srcdir)/6.out \
diff3 -3 $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -o file:$(atf_get_srcdir)/7.out \
diff3 -i $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
}
diff3_lesssimple_body()
{
atf_check -s exit:1 -o file:$(atf_get_srcdir)/10.out \
diff3 -m -L 1 -L 2 -L 3 $(atf_get_srcdir)/4.txt $(atf_get_srcdir)/5.txt $(atf_get_srcdir)/6.txt
}
diff3_ed_body()
{
atf_check -s exit:0 -o file:$(atf_get_srcdir)/long-ed.out \
diff3 -e $(atf_get_srcdir)/long-m.txt $(atf_get_srcdir)/long-o.txt $(atf_get_srcdir)/long-y.txt
}
diff3_A_body()
{
atf_check -s exit:1 -o file:$(atf_get_srcdir)/8.out \
diff3 -A -L 1 -L 2 -L 3 $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -s exit:1 -o file:$(atf_get_srcdir)/long-A.out \
diff3 -A -L long-m.txt -L long-o.txt -L long-y.txt $(atf_get_srcdir)/long-m.txt $(atf_get_srcdir)/long-o.txt $(atf_get_srcdir)/long-y.txt
}
diff3_merge_body()
{
atf_check -s exit:1 -o file:$(atf_get_srcdir)/9.out \
diff3 -m -L 1 -L 2 -L 3 $(atf_get_srcdir)/1.txt $(atf_get_srcdir)/2.txt $(atf_get_srcdir)/3.txt
atf_check -s exit:1 -o file:$(atf_get_srcdir)/long-merge.out \
diff3 -m -L long-m.txt -L long-o.txt -L long-y.txt $(atf_get_srcdir)/long-m.txt $(atf_get_srcdir)/long-o.txt $(atf_get_srcdir)/long-y.txt
}
diff3_E_merge_body()
{
expected="<<<<<<< 2
# \$FreeBSD: head/local 12000 jhb \$
=======
# \$FreeBSD: head/local 12345 jhb \$
>>>>>>> 3
# \$FreeBSD: head/local 12345 jhb \$
this is a file
these are some local mods to the file
"
# first test the regular test
cp $(atf_get_srcdir)/fbsdid2.txt out.txt
atf_check -s exit:1 -o inline:"${expected}" \
diff3 -m -L 1 -L 2 -L 3 out.txt $(atf_get_srcdir)/fbsdid1.txt $(atf_get_srcdir)/fbsdid2.txt
merged="# \$FreeBSD: head/local 12345 jhb \$
this is a file
these are some local mods to the file
"
atf_check -s exit:0 -o inline:"${merged}" \
diff3 -E -m out.txt $(atf_get_srcdir)/fbsdid1.txt $(atf_get_srcdir)/fbsdid2.txt
}
atf_init_test_cases()
{
atf_add_test_case diff3
# atf_add_test_case diff3_lesssimple
atf_add_test_case diff3_ed
atf_add_test_case diff3_A
atf_add_test_case diff3_merge
atf_add_test_case diff3_E_merge
}