File: warnlogger-with-levels.t

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liblog-contextual-perl 0.007000-1
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use strict;
use warnings;

use Log::Contextual::WarnLogger;    # -levels => [qw(custom1 custom2)];
use Log::Contextual qw{:log set_logger} => -logger =>
  Log::Contextual::WarnLogger->new({env_prefix => 'FOO'});

use Test::More qw(no_plan);
use Test::Fatal;

{
   my $l;
   like(
      exception { $l = Log::Contextual::WarnLogger->new({levels => ''}) },
      qr/invalid levels specification: must be non-empty arrayref/,
      'cannot pass empty string for levels',
   );

   like(
      exception { $l = Log::Contextual::WarnLogger->new({levels => []}) },
      qr/invalid levels specification: must be non-empty arrayref/,
      'cannot pass empty list for levels',
   );

   is(
      exception {
         $l = Log::Contextual::WarnLogger->new(
            {levels => undef, env_prefix => 'FOO'})
      },
      undef,
      'ok to leave levels undefined',
   );
}

{
   my $l = Log::Contextual::WarnLogger->new({
         env_prefix => 'BAR',
         levels     => [qw(custom1 custom2)]});

   foreach my $sub (qw(is_custom1 is_custom2 custom1 custom2)) {
      is(exception { $l->$sub }, undef, $sub . ' is handled by AUTOLOAD',);
   }

   foreach my $sub (qw(is_foo foo)) {
      is(
         exception { $l->$sub },
         undef, 'arbitrary sub ' . $sub . ' is handled by AUTOLOAD',
      );
   }
}

{
   # levels is optional - most things should still work otherwise.
   my $l = Log::Contextual::WarnLogger->new({env_prefix => 'BAR',});

   # if we don't know the level, and there are no environment variables set,
   # just log everything.
   {
      ok($l->is_custom1, 'is_custom1 defaults to true on WarnLogger');
      ok($l->is_custom2, 'is_custom2 defaults to true on WarnLogger');
   }

   # otherwise, go with what the variable says.
   {
      local $ENV{BAR_CUSTOM1} = 0;
      local $ENV{BAR_CUSTOM2} = 1;
      ok(!$l->is_custom1, 'is_custom1 is false on WarnLogger');
      ok($l->is_custom2,  'is_custom2 is true on WarnLogger');

      ok($l->is_foo, 'is_foo defaults to true on WarnLogger');

      local $ENV{BAR_UPTO} = 'foo';
      like(
         exception { $l->is_bar },
         qr/Unrecognized log level 'foo' in \$ENV\{BAR_UPTO\}/,
         'Cannot use an unrecognized log level in UPTO',
      );
   }
}

# these tests taken from t/warnlogger.t

my $l = Log::Contextual::WarnLogger->new({
      env_prefix => 'BAR',
      levels     => [qw(custom1 custom2)]});

{
   local $ENV{BAR_CUSTOM1} = 0;
   local $ENV{BAR_CUSTOM2} = 1;
   ok(!$l->is_custom1, 'is_custom1 is false on WarnLogger');
   ok($l->is_custom2,  'is_custom2 is true on WarnLogger');

   ok(!$l->is_foo, 'is_foo is false (custom levels supplied) on WarnLogger');
}

{
   local $ENV{BAR_UPTO} = 'custom1';

   ok($l->is_custom1, 'is_custom1 is true on WarnLogger');
   ok($l->is_custom2, 'is_custom2 is true on WarnLogger');
}

{
   local $ENV{BAR_UPTO} = 'custom2';

   ok(!$l->is_custom1, 'is_custom1 is false on WarnLogger');
   ok($l->is_custom2,  'is_custom2 is true on WarnLogger');
}

{
   local $ENV{BAR_UPTO} = 'foo';

   like(
      exception { $l->is_custom1 },
      qr/Unrecognized log level 'foo'/,
      'Cannot use an unrecognized log level in UPTO',
   );
}