Don't run author-only tests during regular test suite execution

The following author-only tests are run as part of the standard test
suite:

* t/local/01_pod.t
* t/local/02_pod_coverage.t
* t/local/kwalitee.t

These only need to be run as part of CI jobs and release testing, and
are usually skipped on end-user machines anyway (owing to their stealth
dependency on the non-core Test::Pod, Test::Pod::Coverage and
Test::Kwalitee modules respectively).

Move these tests to the xt/ directory, declare their Test:: dependencies
as development prerequisites, and add an xtest target to the generated
Makefile that runs these tests.

Closes radiator-software#392.

Changes

@@ -9,6 +9,10 @@ Revision history for Perl extension Net::SSLeay.
 	- When building Net-SSLeay, search for the openssl binary in the same directory
 	  in which Perl is installed (i.e. $Config{prefix}/bin/). Thanks to Henrik
 	  Grimler for the patch.
+	- Move author-only Kwalitee and Pod tests out of the main test suite and into
+	  the xt/ directory; these tests can now be run with "make xtest". This
+	  eliminates the main test suite's soft dependency on the non-core Test::Pod,
+	  Test::Pod::Coverage and Test::Kwalitee modules.
 
 1.93_01 2022-03-20
 	- LibreSSL 3.5.0 has removed access to internal data

MANIFEST

@@ -186,8 +186,6 @@ t/external/ocsp.t
 t/handle/external/10_destroy.t
 t/handle/external/50_external.t
 t/handle/local/05_use.t
-t/local/01_pod.t
-t/local/02_pod_coverage.t
 t/local/03_use.t
 t/local/04_basic.t
 t/local/05_passwd_cb.t
@@ -229,5 +227,7 @@ t/local/64_ticket_sharing.t
 t/local/65_security_level.t
 t/local/65_ticket_sharing_2.t
 t/local/66_curves.t
-t/local/kwalitee.t
 typemap
+xt/01_kwalitee.t
+xt/02_pod.t
+xt/02_pod_coverage.t

Makefile.PL

@@ -102,6 +102,7 @@ my %eumm_args = (
     prereqs => {
       develop => {
         requires => {
+          'Test::Pod' => '1.41',
           'Test::Pod::Coverage' => '1.00',
           'Test::Kwalitee' => '1.00',
         },
@@ -144,6 +145,9 @@ sub MY::postamble {
 <<"MAKE";
 SSLeay$Config{'obj_ext'} : constants.c
 
+xtest :
+	\$(MAKE) test TEST_FILES=xt/*.t
+
 MAKE
 }
 

xt/01_kwalitee.t

@@ -0,0 +1,11 @@
+# Ensure module distribution passes Kwalitee checks
+
+use lib 'inc';
+
+use Test::Net::SSLeay;
+
+use Test::Kwalitee qw(kwalitee_ok);
+
+kwalitee_ok();
+
+done_testing();

xt/02_pod.t

@@ -0,0 +1,17 @@
+# Ensure all pod-formatted documentation is valid
+
+use lib 'inc';
+
+use Test::Net::SSLeay;
+
+use Test::Pod;
+
+all_pod_files_ok(
+    qw(
+        blib/lib/Net/SSLeay.pm
+        blib/lib/Net/SSLeay/Handle.pm
+        helper_script/generate-test-pki
+        inc/Test/Net/SSLeay.pm
+        inc/Test/Net/SSLeay/Socket.pm
+    )
+);

t/local/02_pod_coverage.t → xt/02_pod_coverage.t

@@ -5,15 +5,9 @@ use lib 'inc';
 
 use Test::Net::SSLeay;
 
-if (!$ENV{RELEASE_TESTING}) {
-    plan skip_all => 'These tests are for only for release candidate testing. Enable with RELEASE_TESTING=1';
-}
-eval "use Test::Pod::Coverage 1.00";
-if ($@) {
-    plan skip_all => 'Test::Pod::Coverage >= 1.00 required for testing pod coverage';
-} else {
-    plan tests => 4;
-}
+use Test::Pod::Coverage;
+
+plan tests => 4;
 
 pod_coverage_ok('Net::SSLeay');
 pod_coverage_ok('Net::SSLeay::Handle');