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#!/usr/bin/perl
use strict;
use warnings;
use Test::More tests => 119;
BEGIN {
use_ok "Text::CSV_XS", ();
plan skip_all => "Cannot load Text::CSV_XS" if $@;
}
my $tfn = "_66test.csv"; END { -f $tfn and unlink $tfn; }
ok (my $csv = Text::CSV_XS->new, "new");
is ($csv->formula, "none", "default");
is ($csv->formula (1), "die", "die");
is ($csv->formula ("die"), "die", "die");
is ($csv->formula (2), "croak", "croak");
is ($csv->formula ("croak"), "croak", "croak");
is ($csv->formula (3), "diag", "diag");
is ($csv->formula ("diag"), "diag", "diag");
is ($csv->formula (4), "empty", "empty");
is ($csv->formula ("empty"), "empty", "empty");
is ($csv->formula (""), "empty", "explicit empty");
is ($csv->formula (5), "undef", "undef");
is ($csv->formula ("undef"), "undef", "undef");
is ($csv->formula (undef), "undef", "explicit undef");
is ($csv->formula (sub { }), "cb", "callback");
is ($csv->formula (0), "none", "none");
is ($csv->formula ("none"), "none", "none");
is ($csv->formula_handling, "none", "default");
is ($csv->formula_handling ("DIE"), "die", "die");
is ($csv->formula_handling ("CROAK"), "croak", "croak");
is ($csv->formula_handling ("DIAG"), "diag", "diag");
is ($csv->formula_handling ("EMPTY"), "empty", "empty");
is ($csv->formula_handling ("UNDEF"), "undef", "undef");
is ($csv->formula_handling ("NONE"), "none", "none");
foreach my $f (-1, 9, "xxx", "DIAX", [], {}) {
eval { $csv->formula ($f); };
like ($@, qr/\bformula-handling '\Q$f\E' is not supported/, "$f in invalid");
}
my %f = qw(
0 none none none
1 die die die
2 croak croak croak
3 diag diag diag
4 empty empty empty
5 undef undef undef
);
foreach my $f (sort keys %f) {
ok (my $p = Text::CSV_XS->new ({ formula => $f }), "new with $f");
is ($p->formula, $f{$f}, "Set to $f{$f}");
}
eval { Text::CSV_XS->new ({ formula => "xxx" }); };
like ($@, qr/\bformula-handling 'xxx' is not supported/, "xxx is invalid");
# TODO : $csv->formula (sub { 42; });
# Parser
my @data = split m/\n/ => <<"EOC";
a,b,c
1,2,3
=1+2,3,4
1,=2+3,4
1,2,=3+4
EOC
sub parse {
my $f = shift;
my @d;
ok (my $csv = Text::CSV_XS->new ({ formula => $f }), "new $f");
#diag ("Formula: ". $csv->formula);
for (@data) {
$csv->parse ($_);
push @d, [ $csv->fields ];
}
\@d;
} # parse
is_deeply (parse (0), [
[ "a", "b", "c", ],
[ "1", "2", "3", ],
[ "=1+2", "3", "4", ],
[ "1", "=2+3", "4", ],
[ "1", "2", "=3+4", ],
], "Default");
my $r = eval { parse (1) };
is ($r, undef, "Die on formulas");
is ($@, "Formulas are forbidden\n", "Message");
$@ = undef;
$r = eval { parse (2) };
is ($r, undef, "Croak on formulas");
is ($@, "Formulas are forbidden\n", "Message");
$@ = undef;
my @m;
local $SIG{__WARN__} = sub { push @m, @_ };
is_deeply (parse (3), [
[ "a", "b", "c", ],
[ "1", "2", "3", ],
[ "=1+2", "3", "4", ],
[ "1", "=2+3", "4", ],
[ "1", "2", "=3+4", ],
], "Default");
is ($@, undef, "Legal with warnings");
is_deeply (\@m, [
"Field 1 in record 3 contains formula '=1+2'\n",
"Field 2 in record 4 contains formula '=2+3'\n",
"Field 3 in record 5 contains formula '=3+4'\n",
], "Warnings");
@m = ();
is_deeply (parse (4), [
[ "a", "b", "c", ],
[ "1", "2", "3", ],
[ "", "3", "4", ],
[ "1", "", "4", ],
[ "1", "2", "", ],
], "Empty");
is_deeply (parse (5), [
[ "a", "b", "c", ],
[ "1", "2", "3", ],
[ undef, "3", "4", ],
[ "1", undef, "4", ],
[ "1", "2", undef, ],
], "Undef");
for ([ "Callback return", sub { 42; } ],
[ "Callback assign", sub { $_ = 42; } ],
[ "Callback subst", sub { s/.*/42/; $_ } ], # s///r requires 5.13.2
) {
my ($msg, $cb) = @$_;
is_deeply (parse ($cb), [
[ "a", "b", "c", ],
[ "1", "2", "3", ],
[ "42", "3", "4", ],
[ "1", "42", "4", ],
[ "1", "2", "42", ],
], $msg);
}
is_deeply (parse (sub { eval { s{^=([-+*/0-9()]+)$}{$1}ee }; $_ }), [
[ "a", "b", "c", ],
[ "1", "2", "3", ],
[ "3", "3", "4", ],
[ "1", "5", "4", ],
[ "1", "2", "7", ],
], "Callback calculations");
{ @m = ();
ok (my $csv = Text::CSV_XS->new ({ formula => 3 }), "new 3 hr");
ok ($csv->column_names ("code", "value", "desc"), "Set column names");
ok ($csv->parse ("1,=2+3,4"), "Parse");
is_deeply (\@m,
[ qq{Field 2 (column: 'value') contains formula '=2+3'\n} ],
"Warning for HR");
}
# Writer
sub writer {
my $f = shift;
ok (my $csv = Text::CSV_XS->new ({
formula_handling => $f, quote_empty => 1 }), "new $f");
ok ($csv->combine ("1", "=2+3", "4"), "combine $f");
$csv->string;
} # writer
@m = ();
is ( writer (0), q{1,=2+3,4}, "Out 0");
is (eval { writer (1) }, undef, "Out 1");
is (eval { writer (2) }, undef, "Out 2");
is ( writer (3), q{1,=2+3,4}, "Out 3");
is ( writer (4), q{1,"",4}, "Out 4");
is ( writer (5), q{1,,4}, "Out 5");
is_deeply (\@m, [ "Field 1 contains formula '=2+3'\n" ], "Warning 3");
@m = ();
is ( writer ("none"), q{1,=2+3,4}, "Out none");
is (eval { writer ("die") }, undef, "Out die");
is (eval { writer ("croak") }, undef, "Out croak");
is ( writer ("diag"), q{1,=2+3,4}, "Out diag");
is ( writer ("empty"), q{1,"",4}, "Out empty");
is ( writer ("undef"), q{1,,4}, "Out undef");
is_deeply (\@m, [ "Field 1 contains formula '=2+3'\n" ], "Warning diag");
open my $fh, ">", $tfn;
printf $fh <<"EOC";
1,2,3
=1+2,3,4
1,=12-6,5
1,2,=4+(9-1)/2
EOC
close $fh;
is_deeply (Text::CSV_XS::csv (in => $tfn,
formula => sub { eval { s{^=([-+*/0-9()]+)$}{$1}ee }; $_ }),
[[1,2,3],[3,3,4],[1,6,5],[1,2,8]], "Formula calc from csv function");
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