Write rcs_diff() tests according to the API spec, then make them pass.

[ikiwiki.git] / t / cvs.t

diff --git a/t/cvs.t b/t/cvs.t
index 9afd5a7e9061767f8cc0f1f5ad08d97dcc335c98..ea96e7aa1bc88efbe62923ee27db4a745faf61c4 100755 (executable)
--- a/t/cvs.t
+++ b/t/cvs.t
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 use warnings;
 use strict;
-use Test::More; my $total_tests = 42;
+use Test::More; my $total_tests = 52;
 use IkiWiki;
 
 my $default_test_methods = '^test_*';
@@ -218,7 +218,7 @@ sub test_rcs_add {
        $message = "add a UTF-8 and a binary file in different dirs";
        my $file1 = "test8/test9.mdwn";
        my $file2 = "test10/test11.ico";
-       can_mkdir(qw(test8 test10));
+       can_mkdir($_) for (qw(test8 test10));
        writefile($file1, $config{srcdir}, readfile('t/test2.mdwn'));
        writefile($file2, $config{srcdir}, $bindata_in, 1);
        IkiWiki::rcs_add($_) for ($file1, $file2);
@@ -304,9 +304,61 @@ sub test_rcs_recentchanges {
 }
 
 sub test_rcs_diff {
+       my @changes = IkiWiki::rcs_recentchanges(3);
+       is_total_number_of_changes(\@changes, 0);
+
+       my $message = "add a UTF-8 and an ASCII file in different dirs";
+       my $file1 = "rcsdiff1/utf8.mdwn";
+       my $file2 = "rcsdiff2/ascii.mdwn";
+       my $contents2 = ''; $contents2 .= "$_. foo\n" for (1..11);
+       can_mkdir($_) for (qw(rcsdiff1 rcsdiff2));
+       writefile($file1, $config{srcdir}, readfile('t/test2.mdwn'));
+       writefile($file2, $config{srcdir}, $contents2);
+       IkiWiki::rcs_add($_) for ($file1, $file2);
+       IkiWiki::rcs_commit_staged(message => $message);
+
+       # XXX we rely on rcs_recentchanges() to be called first!
+       # XXX or else for no cvsps cache to exist yet...
+       # XXX because rcs_diff() doesn't pass -x (as an optimization)
+       @changes = IkiWiki::rcs_recentchanges(3);
+       is_total_number_of_changes(\@changes, 1);
+
+       my $changeset = 1;
+
+       my $maxlines = undef;
+       my $scalar_diffs = IkiWiki::rcs_diff($changeset, $maxlines);
+       like(
+               $scalar_diffs,
+               qr/^\+11\. foo$/m,
+               q{unbounded scalar diffs go all the way to 11},
+       );
+       my @array_diffs = IkiWiki::rcs_diff($changeset, $maxlines);
+       is(
+               $array_diffs[$#array_diffs],
+               "+11. foo\n",
+               q{unbounded array diffs go all the way to 11},
+       );
+
+       $maxlines = 8;
+       $scalar_diffs = IkiWiki::rcs_diff($changeset, $maxlines);
+       unlike(
+               $scalar_diffs,
+               qr/^\+11\. foo$/m,
+               q{bounded scalar diffs don't go all the way to 11},
+       );
+       @array_diffs = IkiWiki::rcs_diff($changeset, $maxlines);
+       isnt(
+               $array_diffs[$#array_diffs],
+               "+11. foo\n",
+               q{bounded array diffs don't go all the way to 11},
+       );
+       is(
+               scalar @array_diffs,
+               $maxlines,
+               q{bounded array diffs contain expected maximum number of lines},
+       );
+
        # can it assume we're under CVS control? or must it check?
-       # in list context, return all lines (with \n), up to $maxlines if set
-       # in scalar context, return the whole diff, up to $maxlines if set
 }
 
 sub test_rcs_getctime {
@@ -428,6 +480,7 @@ sub _setup {
 }
 
 sub _teardown {
+       # XXX does srcdir persist between test subs?
        system "rm -rf $dir";
 }