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.\" ========================================================================
.\"
.IX Title "TAP::Formatter::Base 3perl"
.TH TAP::Formatter::Base 3perl "2021-09-24" "perl v5.32.1" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
TAP::Formatter::Base \- Base class for harness output delegates
.SH "VERSION"
.IX Header "VERSION"
Version 3.42
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This provides console orientated output formatting for TAP::Harness.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\& use TAP::Formatter::Console;
\& my $harness = TAP::Formatter::Console\->new( \e%args );
.Ve
.SH "METHODS"
.IX Header "METHODS"
.SS "Class Methods"
.IX Subsection "Class Methods"
\fI\f(CI\*(C`new\*(C'\fI\fR
.IX Subsection "new"
.PP
.Vb 4
\& my %args = (
\&    verbose => 1,
\& )
\& my $harness = TAP::Formatter::Console\->new( \e%args );
.Ve
.PP
The constructor returns a new \f(CW\*(C`TAP::Formatter::Console\*(C'\fR object. If
a TAP::Harness is created with no \f(CW\*(C`formatter\*(C'\fR a
\&\f(CW\*(C`TAP::Formatter::Console\*(C'\fR is automatically created. If any of the
following options were given to TAP::Harness\->new they well be passed to
this constructor which accepts an optional hashref whose allowed keys are:
.IP "\(bu" 4
\&\f(CW\*(C`verbosity\*(C'\fR
.Sp
Set the verbosity level.
.IP "\(bu" 4
\&\f(CW\*(C`verbose\*(C'\fR
.Sp
Printing individual test results to \s-1STDOUT.\s0
.IP "\(bu" 4
\&\f(CW\*(C`timer\*(C'\fR
.Sp
Append run time for each test to output. Uses Time::HiRes if available.
.IP "\(bu" 4
\&\f(CW\*(C`failures\*(C'\fR
.Sp
Show test failures (this is a no-op if \f(CW\*(C`verbose\*(C'\fR is selected).
.IP "\(bu" 4
\&\f(CW\*(C`comments\*(C'\fR
.Sp
Show test comments (this is a no-op if \f(CW\*(C`verbose\*(C'\fR is selected).
.IP "\(bu" 4
\&\f(CW\*(C`quiet\*(C'\fR
.Sp
Suppressing some test output (mostly failures while tests are running).
.IP "\(bu" 4
\&\f(CW\*(C`really_quiet\*(C'\fR
.Sp
Suppressing everything but the tests summary.
.IP "\(bu" 4
\&\f(CW\*(C`silent\*(C'\fR
.Sp
Suppressing all output.
.IP "\(bu" 4
\&\f(CW\*(C`errors\*(C'\fR
.Sp
If parse errors are found in the \s-1TAP\s0 output, a note of this will be made
in the summary report.  To see all of the parse errors, set this argument to
true:
.Sp
.Vb 1
\&  errors => 1
.Ve
.IP "\(bu" 4
\&\f(CW\*(C`directives\*(C'\fR
.Sp
If set to a true value, only test results with directives will be displayed.
This overrides other settings such as \f(CW\*(C`verbose\*(C'\fR, \f(CW\*(C`failures\*(C'\fR, or \f(CW\*(C`comments\*(C'\fR.
.IP "\(bu" 4
\&\f(CW\*(C`stdout\*(C'\fR
.Sp
A filehandle for catching standard output.
.IP "\(bu" 4
\&\f(CW\*(C`color\*(C'\fR
.Sp
If defined specifies whether color output is desired. If \f(CW\*(C`color\*(C'\fR is not
defined it will default to color output if color support is available on
the current platform and output is not being redirected.
.IP "\(bu" 4
\&\f(CW\*(C`jobs\*(C'\fR
.Sp
The number of concurrent jobs this formatter will handle.
.IP "\(bu" 4
\&\f(CW\*(C`show_count\*(C'\fR
.Sp
Boolean value.  If false, disables the \f(CW\*(C`X/Y\*(C'\fR test count which shows up while
tests are running.
.PP
Any keys for which the value is \f(CW\*(C`undef\*(C'\fR will be ignored.
.PP
\fI\f(CI\*(C`prepare\*(C'\fI\fR
.IX Subsection "prepare"
.PP
Called by Test::Harness before any test output is generated.
.PP
This is an advisory and may not be called in the case where tests are
being supplied to Test::Harness by an iterator.
.PP
\fI\f(CI\*(C`open_test\*(C'\fI\fR
.IX Subsection "open_test"
.PP
Called to create a new test session. A test session looks like this:
.PP
.Vb 6
\&    my $session = $formatter\->open_test( $test, $parser );
\&    while ( defined( my $result = $parser\->next ) ) {
\&        $session\->result($result);
\&        exit 1 if $result\->is_bailout;
\&    }
\&    $session\->close_test;
.Ve
.PP
\fI\f(CI\*(C`summary\*(C'\fI\fR
.IX Subsection "summary"
.PP
.Vb 1
\&  $harness\->summary( $aggregate );
.Ve
.PP
\&\f(CW\*(C`summary\*(C'\fR prints the summary report after all tests are run. The first
argument is an aggregate to summarise. An optional second argument may
be set to a true value to indicate that the summary is being output as a
result of an interrupted test run.