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1#!/usr/bin/perl
2#
3# Copyright (C) 2009, 2010 Chris Jerdonek (chris.jerdonek@gmail.com)
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met:
8#
9#     * Redistributions of source code must retain the above copyright
10# notice, this list of conditions and the following disclaimer.
11#     * Redistributions in binary form must reproduce the above
12# copyright notice, this list of conditions and the following disclaimer
13# in the documentation and/or other materials provided with the
14# distribution.
15#     * Neither the name of Google Inc. nor the names of its
16# contributors may be used to endorse or promote products derived from
17# this software without specific prior written permission.
18#
19# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30
31# Unit tests of VCSUtils::runPatchCommand().
32
33use Test::Simple tests => 4;
34use VCSUtils;
35
36# Call a function while suppressing STDERR.
37sub callSilently($@) {
38    my ($func, @args) = @_;
39
40    open(OLDERR, ">&STDERR");
41    close(STDERR);
42    my @returnValue = &$func(@args);
43    open(STDERR, ">&OLDERR");
44    close(OLDERR); # FIXME: Is this necessary?
45
46    return @returnValue;
47}
48
49# New test
50$title = "runPatchCommand: Unsuccessful patch, forcing.";
51
52# Since $patch has no "Index:" path, passing this to runPatchCommand
53# should not affect any files.
54my $patch = <<'END';
55Garbage patch contents
56END
57
58# We call via callSilently() to avoid output like the following to STDERR:
59# patch: **** Only garbage was found in the patch input.
60$argsHashRef = {ensureForce => 1};
61$exitStatus = callSilently(\&runPatchCommand, $patch, ".", "file_to_patch.txt", $argsHashRef);
62
63ok($exitStatus != 0, $title);
64
65# New test
66$title = "runPatchCommand: New file, --dry-run.";
67
68# This file should not exist after the tests, but we take care with the
69# file name and contents just in case.
70my $fileToPatch = "temp_OK_TO_ERASE__README_FOR_MORE.txt";
71$patch = <<END;
72Index: $fileToPatch
73===================================================================
74--- $fileToPatch	(revision 0)
75+++ $fileToPatch	(revision 0)
76@@ -0,0 +1,5 @@
77+This is a test file for WebKitTools/Scripts/VCSUtils_unittest.pl.
78+This file should not have gotten created on your system.
79+If it did, some unit tests don't seem to be working quite right:
80+It would be great if you could file a bug report. Thanks!
81+---------------------------------------------------------------------
82END
83
84# --dry-run prevents creating any files.
85# --silent suppresses the success message to STDOUT.
86$argsHashRef = {options => ["--dry-run", "--silent"]};
87$exitStatus = runPatchCommand($patch, ".", $fileToPatch, $argsHashRef);
88
89ok($exitStatus == 0, $title);
90
91# New test
92$title = "runPatchCommand: New file: \"$fileToPatch\".";
93
94$argsHashRef = {options => ["--silent"]};
95$exitStatus = runPatchCommand($patch, ".", $fileToPatch, $argsHashRef);
96
97ok($exitStatus == 0, $title);
98
99# New test
100$title = "runPatchCommand: Reverse new file (clean up previous).";
101
102$argsHashRef = {shouldReverse => 1,
103                options => ["--silent", "--remove-empty-files"]}; # To clean up.
104$exitStatus = runPatchCommand($patch, ".", $fileToPatch, $argsHashRef);
105ok($exitStatus == 0, $title);
106