fix some broken influence blocking testing, add more tests

1 files changed, 33 insertions, 8 deletions

diff --git a/t/pagespec_match_result.t b/t/pagespec_match_result.t
index d9c31d6f0..13fcdcad0 100755
--- a/t/pagespec_match_result.t
+++ b/t/pagespec_match_result.t
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 use warnings;
 use strict;
-use Test::More tests => 71;
+use Test::More tests => 138;
 
 BEGIN { use_ok("IkiWiki"); }
 
@@ -34,10 +34,27 @@ ok(!(S() & F()));
 ok(!(S() & F() & E()));
 ok(S() & (F() | F() | S()));
 
-# influences are always merged, no matter the operation performed,
-# as long as the two items are always both present
-foreach my $op ('$s | $f', '$s & $f', '$s & $f & E()', '$s | E() | $f',
-                '! $s | ! $f', '!(!(!$s)) | $f') {
+# influence merging tests
+foreach my $test (
+		['$s | $f' => 1],	# OR merges
+                ['! $s | ! $f' => 1],	# OR merges with negated terms too
+		['!(!(!$s)) | $f' => 1],# OR merges with multiple negation too
+		['$s | $f | E()' => 1],	# OR merges, even though E() has no influences
+		['$s | E() | $f' => 1],	# ditto
+		['E() | $s | $f' => 1],	# ditto
+		['!$s | !$f | E()' => 1],# negated terms also do not block merges
+		['!$s | E() | $f' => 1],# ditto
+		['E() | $s | !$f' => 1],# ditto
+		['$s & $f' => 1],	# AND merges if both items have influences
+		['!$s & $f' => 1],	# AND merges negated terms too
+		['$s & !$f' => 1],	# AND merges negated terms too
+		['$s & $f & E()' => 0],	# AND fails to merge since E() has no influences
+		['$s & E() & $f' => 0],	# ditto
+		['E() & $s & $f' => 0],	# ditto
+		) {
+	my $op=$test->[0];
+	my $influence=$test->[1];
+
 	my $s=S(foo => 1, bar => 1);
 	is($s->influences->{foo}, 1);
 	is($s->influences->{bar}, 1);
@@ -46,9 +63,14 @@ foreach my $op ('$s | $f', '$s & $f', '$s & $f & E()', '$s | E() | $f',
 	is($f->influences->{baz}, 1);
 	my $c = eval $op;
 	ok(ref $c);
-	is($c->influences->{foo}, 1, "foo ($op)");
-	is($c->influences->{bar}, (1 | 2), "bar ($op)");
-	is($c->influences->{baz}, 1, "baz ($op)");
+	if ($influence) {
+		is($c->influences->{foo}, 1, "foo ($op)");
+		is($c->influences->{bar}, (1 | 2), "bar ($op)");
+		is($c->influences->{baz}, 1, "baz ($op)");
+	}
+	else {
+		ok(! %{$c->influences}, "no influence for ($op)");
+	}
 }
 
 my $s=S(foo => 0, bar => 1);
@@ -57,3 +79,6 @@ ok(! $s->influences->{foo}, "removed 0 influence");
 ok(! $s->influences->{bar}, "removed 1 influence");
 ok($s->influences->{baz}, "set influence");
 ok($s->influences_static);
+$s=S(foo => 0, bar => 1);
+$s->influences(baz => 1, "" => 1);
+ok(! $s->influences_static);