From dbe0618e3ea9f8f66c1ad1f6f30f4ddca494039f Mon Sep 17 00:00:00 2001
From: mike <mike>
Date: Wed, 9 Nov 2005 17:08:31 +0000
Subject: [PATCH] Many additional tests, for field-specific scanning,
 non-default scanset size, follow-up scans with seed-term
 position=0, and option setting/getting.

---
 t/25-scan.t |   73 +++++++++++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 63 insertions(+), 10 deletions(-)

diff --git a/t/25-scan.t b/t/25-scan.t
index 31a7c07..4a51a74 100644
--- a/t/25-scan.t
+++ b/t/25-scan.t
@@ -1,11 +1,11 @@
-# $Id: 25-scan.t,v 1.1 2005-11-08 11:45:51 mike Exp $
+# $Id: 25-scan.t,v 1.2 2005-11-09 17:08:31 mike Exp $
 
 # Before `make install' is performed this script should be runnable with
 # `make test'. After `make install' it should work as `perl 25-scan.t'
 
 use strict;
 use warnings;
-use Test::More tests => 47;
+use Test::More tests => 81;
 
 BEGIN { use_ok('ZOOM') };
 
@@ -14,14 +14,9 @@ my $conn;
 eval { $conn = new ZOOM::Connection($host, 0) };
 ok(!$@, "connection to '$host'");
 
-my $startterm = "coelophysis";
-my $ss;
-{ $ss = $conn->scan($startterm) };
-ok(!$@, "scan for '$startterm'");
+my($ss, $n) = scan($conn, "w", 10);
 
-my $n = $ss->size();
-ok(defined $n, "got size");
-ok($n == 10, "got 10 terms");
+my @terms = ();
 
 my $previous = "";		# Sorts before all legitimate terms
 foreach my $i (1 .. $n) {
@@ -30,6 +25,7 @@ foreach my $i (1 .. $n) {
        "got term $i of $n: '$term' ($occ occurences)");
     ok($term ge $previous, "term '$term' ge previous '$previous'");
     $previous = $term;
+    push @terms, $term;
     (my $disp, $occ) = $ss->display_term($i-1);
     ok(defined $disp,
        "display term $i of $n: '$disp' ($occ occurences)");
@@ -42,4 +38,61 @@ eval { $ss->destroy() };
 ok(defined $@ && $@ =~ /been destroy\(\)ed/,
    "can't re-destroy scanset");
 
-#   ###	Much still to do: see comment in "15-scan.t"
+# Now re-scan, but only for words that occur in the title
+($ss, $n) = scan($conn, '@attr 1=4 w', 6);
+
+$previous = "";		# Sorts before all legitimate terms
+foreach my $i (1 .. $n) {
+    my($term, $occ) = $ss->term($i-1);
+    ok(defined $term,
+       "got title term $i of $n: '$term' ($occ occurences)");
+    ok($term ge $previous, "title term '$term' ge previous '$previous'");
+    $previous = $term;
+    ok((grep { $term eq $_ } @terms), "title term was in term list");
+}
+
+$ss->destroy();
+ok(1, "destroyed second scanset");
+
+# Now re-do the same scan, but limiting the results to four terms at a
+# time.
+$conn->option(number => 4);
+($ss, $n) = scan($conn, '@attr 1=4 w', 4);
+# Get last term and use it as seed for next scan
+my($term, $occ) = $ss->term($n-1);
+ok($ss->option("position") == 1,
+   "seed-term is start of returned list");
+ok(defined $term,
+   "got last title term '$term' to use as seed");
+
+$ss->destroy();
+ok(1, "destroyed third scanset");
+
+# We want the seed-term to be in "position zero", i.e. just before the start
+$conn->option(position => 0);
+($ss, $n) = scan($conn, "\@attr 1=4 $term", 2);
+ok($ss->option("position") == 0,
+   "seed-term before start of returned list");
+
+# Silly test of option setting and getting
+$ss->option(position => "fruit");
+ok($ss->option("position") eq "fruit",
+   "option setting/getting works");
+
+$ss->destroy();
+ok(1, "destroyed fourth scanset");
+
+# Some more testing still to do: see comment in "15-scan.t"
+
+sub scan {
+    my($conn, $startterm, $nexpected) = @_;
+
+    my $ss;
+    eval { $ss = $conn->scan($startterm) };
+    ok(!$@, "scan for '$startterm'");
+
+    my $n = $ss->size();
+    ok(defined $n, "got size");
+    ok($n == $nexpected, "got $n terms (expected $nexpected)");
+    return ($ss, $n);
+}
-- 
1.7.10.4