#!/bin/sh
# Copyright 2008 by Denys Vlasenko
# Licensed under GPLv2, see file LICENSE in this source tree.

. ./testing.sh

# testing "test name" "command(s)" "expected result" "file input" "stdin"

testing "patch with old_file == new_file" \
	'patch 2>&1; echo $?; cat input' \
"\
patching file input
0
qwe
asd
zxc
" \
"\
qwe
zxc
" \
"\
--- input	Jan 01 01:01:01 2000
+++ input	Jan 01 01:01:01 2000
@@ -1,2 +1,3 @@
 qwe
+asd
 zxc
" \

testing "patch with nonexistent old_file" \
	'patch 2>&1; echo $?; cat input' \
"\
patching file input
0
qwe
asd
zxc
" \
"\
qwe
zxc
" \
"\
--- input.doesnt_exist	Jan 01 01:01:01 2000
+++ input	Jan 01 01:01:01 2000
@@ -1,2 +1,3 @@
 qwe
+asd
 zxc
" \

testing "patch -R with nonexistent old_file" \
	'patch -R 2>&1; echo $?; cat input' \
"\
patching file input
0
qwe
zxc
" \
"\
qwe
asd
zxc
" \
"\
--- input.doesnt_exist	Jan 01 01:01:01 2000
+++ input	Jan 01 01:01:01 2000
@@ -1,2 +1,3 @@
 qwe
+asd
 zxc
" \

testing "patch detects already applied hunk" \
	'patch 2>&1; echo $?; cat input' \
"\
Possibly reversed hunk 1 at 4
Hunk 1 FAILED 1/1.
 abc
+def
 123
patching file input
1
abc
def
123
" \
"\
abc
def
123
" \
"\
--- input.old	Jan 01 01:01:01 2000
+++ input	Jan 01 01:01:01 2000
@@ -1,2 +1,3 @@
 abc
+def
 123
" \

testing "patch detects already applied hunk at the EOF" \
	'patch 2>&1; echo $?; cat input' \
"\
Possibly reversed hunk 1 at 4
Hunk 1 FAILED 1/1.
 abc
 123
+456
patching file input
1
abc
123
456
" \
"\
abc
123
456
" \
"\
--- input.old	Jan 01 01:01:01 2000
+++ input	Jan 01 01:01:01 2000
@@ -1,2 +1,3 @@
 abc
 123
+456
" \

# testing "test name" "command(s)" "expected result" "file input" "stdin"
testing "patch -N ignores already applied hunk" \
	'patch -N 2>&1; echo $?; cat input' \
"\
patching file input
0
abc
def
123
" \
"\
abc
def
123
" \
"\
--- input
+++ input
@@ -1,2 +1,3 @@
 abc
+def
 123
" \

# testing "test name" "command(s)" "expected result" "file input" "stdin"
testing "patch FILE PATCH" \
	'cat >a.patch; patch input a.patch 2>&1; echo $?; cat input; rm a.patch' \
"\
patching file input
0
abc
def
123
" \
"\
abc
123
" \
"\
--- foo.old
+++ foo
@@ -1,2 +1,3 @@
 abc
+def
 123
" \

# testing "test name" "command(s)" "expected result" "file input" "stdin"
testing "patch at the beginning" \
	'patch 2>&1; cat input' \
"\
patching file input
111changed
444
555
666
777
888
999
" \
"\
111
222
333
444
555
666
777
888
999
" \
"\
--- input
+++ input
@@ -1,6 +1,4 @@
-111
-222
-333
+111changed
 444
 555
 666
" \

rm input.orig 2>/dev/null

exit $FAILCOUNT
