#
# $Id: new.t,v 1.1 2003/11/25 12:12:34 foxr Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#


#  Test new functionality of ConfigFileEditor::new
#

use strict;
use Test;
use ConfigFileEdit;


#
#   Tests  we plan are:
#     Check open failure
#     Check open success
#     Check read ok for config files.
#     Check parse/index ok for config files.
#

BEGIN {plan tests => 4}


#
#  Test opens that should fail (file not found in this case).
sub TestOpenFail {
    my $editor = ConfigFileEdit->new("nosuchfile.cfg",0);
    ok($editor, undef);
}
#
#  Test opens that should succeed (in this case we have a test configfile
#  in this directory called test.cfg
#
sub TestOpenOk {
    my $editor  = ConfigFileEdit->new("testconfig.cfg",0);
    if($editor) {
	ok(1);
    } else {
	ok(0);
    }

}

#
#  Test that we can read the file as a line array stored in the hash.
#
sub TestReadOk {
    my $editor = ConfigFileEdit->new("testconfig.cfg",0);

    # How many lines in the file?

    open(WCOUT, "wc -l testconfig.cfg |");
    my $output = <WCOUT>;	# Output of linecount
    chomp($output);
    $output    =~ s/ +/ /g;	# Get rid of multiple spaces so that...
    my ($trash, $linecount, $junk) = split(/ /,$output); # We can extract the count.
    close(WCOUT);

    #  How many lines in the editor linecount array?

    my $editorlines = ($editor->{LineArray});
    my $editorlinecount = @$editorlines;
    
    ok($linecount, $editorlinecount);


}

sub TestParseOk {
    my $editor = ConfigFileEdit->new("testconfig.cfg",0);

    #
    #  There should be a line in the file hash for the key line1
    #  It should index to line 0. which should match the first line
    #  of the file.
    #  There should only be 1 non-comment line in the file.

    my $LineIndex = $editor->{KeyToLines}; # Get the key to line hash.
    if (! defined $LineIndex->{line1}) {
	ok(0);
	print (" No index for 'line1'\n");
	my @keynames = keys %$LineIndex;
	return;
    }

    my $linesubscript = $LineIndex->{line1}; 
    if(!defined($linesubscript) || ($linesubscript != 0)) {
	ok(0,$linesubscript);
	print("Subscript for 'line1' <> 0\n");
	return;
    }

    my $editorlines   = $editor->{LineArray};
    my $editorline    = $editorlines->[$linesubscript];
    
    open(FILE, "< testconfig.cfg");
    my $firstline = <FILE>;
    chomp($firstline);
    if($firstline ne $editorline) {
	ok($firstline, $editorline);
	return;

    }


    ok(1, scalar(keys %$LineIndex));


}

TestOpenFail;
TestOpenOk;
TestReadOk;
TestParseOk;