[pkgsrc/trunk]: pkgsrc/regress/infra-unittests regress/infra-unittests: add t...

[rillig <rillig%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/cbdd3cb64733
branches:  trunk
changeset: 428258:cbdd3cb64733
user:      rillig <rillig%pkgsrc.org@localhost>
date:      Sun Apr 26 12:46:01 2020 +0000

description:
regress/infra-unittests: add tests for patch(1)

diffstat:

 regress/infra-unittests/patch.sh |  82 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 82 insertions(+), 0 deletions(-)

diffs (86 lines):

diff -r 3995c086aab7 -r cbdd3cb64733 regress/infra-unittests/patch.sh
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/regress/infra-unittests/patch.sh  Sun Apr 26 12:46:01 2020 +0000
@@ -0,0 +1,82 @@
+#! /bin/sh
+# $NetBSD: patch.sh,v 1.1 2020/04/26 12:46:01 rillig Exp $
+#
+# Test cases for patching files using patch(1).
+#
+
+set -eu
+
+. "./test.subr"
+
+if test_case_begin "patch matches exactly"; then
+       cd "$tmpdir"
+
+       create_file_lines "to-be-patched" \
+               "1" "2" "3" "4" "5" "6" "7"
+
+       create_file "4-four.patch" <<EOF
+--- before
++++ to-be-patched
+@@ -1,7 +1,7 @@
+ 1
+ 2
+ 3
+-4
++four
+ 5
+ 6
+ 7
+EOF
+
+       patch -s -p0 < "4-four.patch"
+
+       assert_that "to-be-patched" --file-is-lines \
+               "1" "2" "3" "four" "5" "6" "7"
+
+       test_case_end
+fi
+
+
+if test_case_begin "line numbers in patch are way out of bounds"; then
+       cd "$tmpdir"
+
+       # BSD patch:
+       #
+       # If the line numbers in the patch are beyond the size of the file,
+       # /usr/bin/patch logs an information that "it is ignored", but it does
+       # not say exactly what "it" is.
+       #
+       # This may look frightening, but since the patch is applied anyway,
+       # "it" probably refers to the line numbers only, not to the hunk as
+       # a whole.
+       #
+       # https://github.com/openbsd/src/commit/328a6cea628e2916 (2003-07-16)
+
+       create_file_lines "to-be-patched" \
+               "1" "2" "3" "4" "5" "6" "7"
+
+       create_file "4-four.patch" <<EOF
+--- before
++++ to-be-patched
+@@ -1000,7 +1000,7 @@
+ 1
+ 2
+ 3
+-4
++four
+ 5
+ 6
+ 7
+EOF
+
+       patch -s -p0 < "4-four.patch" 2> "stderr" \
+       && exitcode=0 || exitcode=$?
+
+       assert_that "$exitcode" --equals "0"
+       assert_that "stderr" --file-is-lines \
+               "No such line 999 in input file, ignoring"
+       assert_that "to-be-patched" --file-is-lines \
+               "1" "2" "3" "four" "5" "6" "7"
+
+       test_case_end
+fi