CVS commit: pkgsrc/regress/infra-unittests

["Roland Illig" <rillig%netbsd.org@localhost>]

Module Name:    pkgsrc
Committed By:   rillig
Date:           Sun Apr 26 12:46:01 UTC 2020

Added Files:
        pkgsrc/regress/infra-unittests: patch.sh

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


To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 pkgsrc/regress/infra-unittests/patch.sh

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Added files:

Index: pkgsrc/regress/infra-unittests/patch.sh
diff -u /dev/null pkgsrc/regress/infra-unittests/patch.sh:1.1
--- /dev/null   Sun Apr 26 12:46:01 2020
+++ pkgsrc/regress/infra-unittests/patch.sh     Sun Apr 26 12:46:01 2020
@@ -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