#!perl
my
$path_test_data
= path(
"$FindBin::RealBin/../data-raw"
);
my
$mtcars_csv
= path(
$path_test_data
,
'mtcars.csv'
);
my
$df
= Data::Frame->from_csv(
$mtcars_csv
,
row_names
=> 0 );
ok(
$df
,
'Data::Frame->from_csv'
);
is(
$df
->number_of_rows, 32,
'number_of_rows()'
);
is(
$df
->number_of_columns, 11,
'number_of_columns()'
);
is(
$df
->nrow,
$df
->number_of_rows,
'nrow() is same as number_of_rows()'
);
is(
$df
->ncol,
$df
->number_of_columns,
'ncol() is same as number_of_columns()'
);
is(
$df
->column_names, [
qw(mpg cyl disp hp drat wt qsec vs am gear carb)
],
'column_names()'
);
is(
$df
->column_names,
$df
->column_names,
'column_names() is same as column_names()'
);
diag(
$df
->string );
my
$tempfile
= Path::Tiny->tempfile;
$df
->to_csv(
$tempfile
);
my
$df_recovered
= Data::Frame->from_csv(
$tempfile
,
row_names
=> 0 );
dataframe_is(
$df_recovered
,
$df
,
'$df->to_csv'
);
done_testing;