SKIP SSL/TLS tests if configured without it

* testenv/Makefile.am: Set SSL_TESTS env variable
* testenv/Test--https-crl.py, testenv/Test--https.py,
  testenv/Test-hsts.py: Return 77 (SKIP) if SSL/TLS is not configured

testenv/Makefile.am

@@ -37,7 +37,10 @@ AUTOMAKE_OPTIONS = parallel-tests
 AM_TESTS_ENVIRONMENT = export WGETRC=/dev/null; MAKE_CHECK=True; export MAKE_CHECK;\
  export PYTHONPATH=$$PYTHONPATH:$(srcdir); export VALGRIND_TESTS="@VALGRIND_TESTS@";
 
-SSL_TESTS = Test--https.py Test--https-crl.py Test-hsts.py
+if WITH_SSL
+  AM_TESTS_ENVIRONMENT += export SSL_TESTS=1;
+endif
+
 if HAVE_PYTHON3
   TESTS = Test-auth-basic-fail.py                   \
     Test-auth-basic.py                              \
@@ -58,6 +61,7 @@ if HAVE_PYTHON3
     Test-Head.py                                    \
     Test--https.py                                  \
     Test--https-crl.py                              \
+    Test-hsts.py                                    \
     Test-O.py                                       \
     Test-Post.py                                    \
     Test-504.py                                     \
@@ -66,14 +70,8 @@ if HAVE_PYTHON3
     Test-redirect-crash.py                          \
     Test-reserved-chars.py                          \
     Test-condget.py                                 \
-    $(SSL_TESTS)				    \
     $(METALINK_TESTS)
 
-  # added test cases expected to fail here and under TESTS
-if !WITH_SSL
-  XFAIL_TESTS = $(SSL_TESTS)
-endif
-
 endif
 
 EXTRA_DIST = certs conf exc misc server test README $(TESTS)

testenv/Test--https-crl.py

@@ -9,6 +9,9 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 TEST_NAME = "HTTPS CRL"
+if os.getenv('SSL_TESTS') is None:
+    exit (77)
+
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"
 File2 = "With lemon or cream?"

testenv/Test--https.py

@@ -9,6 +9,9 @@ import os
     This test ensures that Wget can download files from HTTPS Servers
 """
 TEST_NAME = "HTTPS Downloads"
+if os.getenv('SSL_TESTS') is None:
+    exit (77)
+
 ############# File Definitions ###############################################
 File1 = "Would you like some Tea?"
 File2 = "With lemon or cream?"

testenv/Test-hsts.py

@@ -9,6 +9,12 @@ import os
 """
 This test makes sure Wget can parse a given HSTS database and apply the indicated HSTS policy.
 """
+
+TEST_NAME = "HSTS basic test"
+print (os.getenv('SSL_TESTS'))
+if os.getenv('SSL_TESTS') is None:
+    exit (77)
+
 def hsts_database_path():
     hsts_file = ".wget-hsts-testenv"
     return os.path.abspath(hsts_file)
@@ -25,8 +31,6 @@ def create_hsts_database(path, host, port):
     f.write(host + "\t" + str(port) + "\t0\t" + str(curtime) + "\t" + max_age + "\n")
     f.close()
 
-TEST_NAME = "HSTS basic test"
-
 File_Name = "hw"
 File_Content = "Hello, world!"
 File = WgetFile(File_Name, File_Content)